I Alone Level-up: Chapter 84
The E-rank Hunter did not hesitate .
“Alright . ”
“Well, I understand if you feel that way . ”
“So where do I have to go tomorrow?”
“Huh?”
The team leader’s eyes opened wide .
‘Did I explain it wrong?’
He was certain he just told Jinwoo that tomorrow would be much more dangerous . Jinwoo had listened to his words with a strange expression, so the team leader thought that it was a lost cause . But what was this unexpected boon? Thanks to Sung-ssi, it seemed that they would not have to recruit additional hands for tomorrow .
‘And that’s not all . ’
Sung-ssi was a man who did five men’s work on his own . On his first day ever as a miner to boot . Everyone in the team was truly in awe of his speed that surpassed the team’s ace, Mok Jinsoo… So hearing that Jinwoo was going to come again, Team Leader Bae became filled with joy .
“Sung-ssi! You’ve made a good choice!”
Team Leader Bae smiled brightly . Just in case the man changed his mind over night, the team leader quickly added on some incentives,
“I’ll talk to the higher-ups and get you twice the pay tomorrow . ”
“Is that okay?”
“Of course! It’s the least I could do for Sung-ssi . ”
The team leader pounded his chest .
“Don’t worry about a thing . All you have to do is show up tomorrow . ”
Of course . It was not wasteful in any capacity to give double to the man who did five people’s work on his own . If he was the Guildmaster, he would've been prepared to pay Jinwoo three times, maybe even more .
‘Haha, to think that there’s a day I would feel bad that I’m not the Hunters’ Guildmaster . ’
Team Leader Bae swallowed a laughter . In that moment, Jinwoo asked,
“Oh, I have a promise at night tomorrow, is that okay?”
He had received a call from Yoo Jinho this morning,
- “Hyungnim, could we meet up?”
The young man’s voice sounded timid .
‘This punk, I thought he said everything went alright . ?’
Jinwoo was lightly surprised . Unfortunately, he had already volunteered for the miner job and had to push back the meeting with Yoo Jinho to tomorrow .
Team Leader Bae replied with a smile,
“From what I’ve heard, tomorrow’s workload is smaller than today’s . We should be done by 6 . ”
Even today, they had finished by 5 . If tomorrow’s workload was smaller, there would be time to spare . Jinwoo nodded,
“Then I’ll see you tomorrow . ”
“Alright, take care . ”
Watching Jinwoo leave, Team Leader Bae smiled,
‘If I was married, I’d probably have a son his age . ’
Even the young man’s back looked dependable . If only every new hires in the world were all like Sung-ssi . The smile did not leave the team leader’s face . However, he was not the only one smiling . Walking towards the bus stop, Jinwoo was also smiling . Unlike the reason behind the team leader’s smile, however, the E-rank Hunter’s smile was… slightly filled with an ulterior motive .
‘I mean… it’s not like I’m hoping that something goes wrong tomorrow…’
But if something did go wrong… He could be a valuable help to the raiding party or the mining team . The man had not changed his mind for no reason . In a strange way, A-rank Gates actually had a higher success rate compared to the lower ranked Gates .
‘First, the Association wouldn’t just give away the raiding rights to any Guild . ’
Second, the Guilds receiving the raiding right would throw everything they had at the Raid .
However,
‘Hunters Guild is not throwing everything they have at tomorrow’s Raid . ’
To think that they would actually split up their raiding members and try to clear two A-rank Gates at once . It was a confidence worthy of the nation’s #1 Guild . At the same time, it was an incredibly dangerous thing to do .
‘No matter what happens, there’s no loss for me . ’
If the Raid was completed safely, it would be the best outcome .
But if something went wrong, Jinwoo would acquire the high-level magic beasts as payment for helping Hunters Guild .
‘Good . ’
Jinwoo got on the bus with a smile .
Late at night .
Cha Haein tossed and turned in her bed .
‘Why was that man different?’
Because of the man she met outside of the boss room, she could not fall asleep . After her Awakening two years ago, she had met a lot of Hunters, but every single one of them was the same . Hunters, or more accurately, Awakened Beings, all gave off a terrible stench that assaulted her nose . At first, she had thought it was an illness and met with many doctors, but to no avail . One of the doctors who consulted her at the time carefully brought up a theory,
“Could it be that Hunter Cha-nim is able to detect magic power with her sense of smell?”
It was certainly a possible idea . Higher-ranking Hunters gave off a worse smell compared to low-ranking Hunters . Of course, ordinary people did not give off a smell .
But .
‘ . He was the first person to actually smell good . ’
Thinking about the events of the day, her heart began to beat faster .
Curious about who the man was, she had looked him up on the Association’s website .
E-rank .
Sung Jinwoo .
The information she saw on his license came up .
‘No contact information…’
Wait, what would she even do with his number? Realizing that there was not much more she could learn from the Association’s website, she called the Head of Recruitment, Jo Myunggi, before she could stop herself,
- “Hunter Cha-nim, what is it at this hour?”
It was already 1 AM .
If the caller was not the sole female S-rank Hunter of South Korea and the Deputy Guildmaster of his Guild, the man would’ve never picked up . She momentarily regretted her decision after hearing the man’s half-awoken voice,
“Could you look up some information on a Hunter named Sung Jinwoo?”
- “Huh? Do you mean the E-ranker who worked under the Association?”
Cha Haein was surprised . Jo Myunggi was the Head of Recruitment for the nation’s #1 Guild . How did he know an E-ranker’s name?
“Do you know him?”
- “Ah, that’s… Guildmaster Choi had asked the same thing yesterday: find information on Sung Jinwoo . ”
“Guildmaster Choi?”
- “Yes, maam . ”
“Do you know what it was about?”
- “Err, no . “
“ . So what did you find out?”
A deep sigh rang across the receiver,
- “I spent considerable effort to investigate, but the Association had placed a lock on the man’s information . I’ve never had something like this happen before, the Association blocking an information of an ordinary Hunter . ”
“Ah…”
- “But why are you looking for him, Hunter Cha-nim? Is it something I could help with?”
“No, sorry for bothering you at this hour . ”
click
That call was three hours ago . She had gathered her courage to find out who Sung Jinwoo was . Instead, only more questions piled up in her head .
A man who Hunters Guild’s Guildmaster wanted to investigate… A man who the Association was working to hide… An E-ranker…
‘Something’s there . ’
No, something better be there… She hoped .
He might be the key to solving the riddle of her unique physiology . The thing that had plagued her life since the day she had Awakened two years ago at the age of 21 .
‘That man, would I ever see him again?’
What if she could never see him again? A strange worry appeared in her head . Thankfully, Cha Haein recalled the hard hat Sung Jinwoo was wearing . Along with the hat, his work clothes had Hunters Guild’s logo on it .
‘He must be part of our mining team . ’
Unlike Attack Team A she belonged to, the mining team would be working again today . If Sung Jinwoo had not left the team, she might be able to see him again .
‘I’m going to go . ’
It was not a strange thing for the Deputy Guildmaster to pay visit to a Raid .
‘I’ll just act naturally while seeing if he’s there . ’
Why was this? When she thought about seeing that strange Hunter again, her mind relaxed .
‘I have to go to sleep then . ’
For her plan today, Cha Haein forcibly tried to fall asleep .
Before the sun was up .
Jinwoo headed out at the crack of dawn to the Raid location . Compared to yesterday, where he had joined while the raiding was in progress, today was different .
‘Was I worried for no reason?’
He was worried that he had arrived too early . However, the Gate area was already packed with Hunters .
“Oh? Sung-ssi! Sung-ssi!”
Team Leader Bae was the first to greet him .
“Sung-ssi’s here . ”
“Oy! Sung-ssi!”
The other Hunters also greeted him happily . Since they all worked towards the same goal, a skilled teammate was a welcoming sight .
‘Feels a bit… awkward . ’
In the past, the E-ranker had always been treated with contempt and derision . This was the first time he was being greeted so sincerely by his teammates . Still, Jinwoo liked their reactions .
“ . ”
Jinwoo responded to their greetings by silently bowing his head .
“One, two, three-”
Team Leader Bae counted the mining team’s members .
“Eighteen, nineteen, everyone’s here . ”
This was more than enough . Well, on a day like this, it didn’t matter if one or two people were missing .
‘After all, we have two aces now . ’
When the team leader looked at his two aces, Mok Jinwoo looked away, while Sung Jinwoo tilted his head .
In that moment,
“Excuse me, Team Leader Bae . ”
“Whoa! You surprised me . ”
The team leader jumped at the sudden voice that came from his side . It was a testament to one’s abilities if they could move while erasing their presence . As expected, the person who had surprised the team leader was the leader of this raiding party, Son Gihoon .
“I almost had a heart attack, Hunter Son-nim . ”
“I apologize . It’s a habit from Dungeons . ”
Son Gihoon smiled sheepishly . From behind him, the collection team’s leader stepped out .
“Stop acting like an old man…”
“Huh? You too? Why are you here?”
“What do you mean? It’s for work . ”
Team Leader Bae turned to Son Gihoon with a curious gaze . The A-rank Hunter looked over the mining team’s Hunters then opened his mouth,
“The person in charge of carrying our bags didn’t come today . I think we’ll have to borrow someone from the mining team . ”
“Huh?”
Team Leader Bae’s eyes opened wide .
“There are strong fellows in the collection team used to carrying heavy loads, so why our team…?”
As if waiting, the collection team’s leader spoke up,
“Our boys had to skip dinner and work nonstop for three hours yesterday .
There was a reason why the collection team had to skip dinner and work nonstop . It was because the mining team had finished too quickly .
‘Well, normally we would’ve worked until 7, but thanks to Sung-ssi, we managed to finish by 5…’
When the collection team’s leader stared daggers at him, Team Leader Bae could not argue . Feeling like the situation was resolved, Son Gihoon asked the mining team Hunters,
“Is there anyone who can accompany the raiding party? Of course, we’ll compensate you properly for the added danger . ”
“ . ”
Son Gihoon turned his gaze here and there pleadingly, but no one volunteered . The miners avoided his gaze as one . It made sense .
‘You think I’ll risk my life for money?’
‘Can’t get me to go in there even if you kill me…’
The highest rank among the miners was C-rank . The average was D-rank . Some of them were even E-rankers . And the place that Son Gihoon was trying to take them to was an A-rank Dungeon . They would’ve hesitated before even a B-rank Gate, but an A-rank?  No, forget being scratched, a misstep would kill them . It was not a place for low-rankers . Even if being a porter meant that they just had to carry the bags, it was far more dangerous compared to the mining work .
“Is there… anyone?”
Son Gihoon became panicked . He didn’t know how long it would take to find another porter . They might waste a quarter or half of the day . Worst case scenario, the entire day would be wasted .
‘This is a big problem . ’
Suddenly, the A-ranker met the eyes of a lone Hunter .
‘Huh?’
Unlike the other miners, this Hunter was staring straight at him .
‘Hmm…’
While Son Gihoon was looking over him, Jinwoo also looked over Son Gihoon .
‘He’s pretty sharp for a Tanker . ’
It was basic knowledge that the leader of a Raid was a Tanker . However, unlike the average Tanker, Son Gihoon was rather slender . Adding his tall height into the equation, the man looked more like a basketball player .
‘ . ’
After taking in the measure of the man, Jinwoo moved his gaze somewhere else .
“Hah-”
With that, Son Gihoon finally was able to breathe .
What was that just now? The A-ranker became stiff to the point where he did not even realize that he was holding his breath . The man had no idea what just happened .
‘Was I too nervous because this is the first time I’m taking lead in a Raid?’
In the past, he had only worked as a sub-Tanker in Raids . So today was a special opportunity for him . He could not make a mistake on a day like this . The man hunched over, breathing heavily . Suddenly, he heard a commotion from the miners . Was it because he had suddenly doubled over? He quickly realized that was not the case .
Looking over the miners, Son Gihoon realized a hand was raised to the sky . It was the volunteer for the porter the Tanker had been praying for . The man’s face brightened .
Jinwoo took a step forward . All eyes were on him .
“I’ll go . ”


PYTHEOS documentation¶
Overview¶
Pytheos provides a versatile tool set for calculating pressure from number of built-in pressure scales, converting pressure scales, and fitting pressure-volume and pressure-volume-temperature data sets.
It provides robust uncertainty propagations using the uncertainties package.
It provides flexible fitting using the lmfit package. Pytheos allows for fitting using a wide range of equations and their combinations.
Install¶
Pytheos is a pure python package, and can be installed from source or with
pip install pytheos
.
Anaconda users may try: conda install -c shdshim pytheos
.
Contact¶
You may contact Dan Shim<EMAIL_ADDRESS>for bug reports, comments, and suggestions. I am happy to include your new pressure scales or other pressure scales as well.
Examples and Tutorials¶
The pytheos package includes examples in Jupyter Notebook (under the examples folder), which demonstrate a range of operations, calculations, and fittings you can make with pytheos. Pytheos is designed to support data analysis using Jupyter Notebook as well as python scripts.
Documentation is available at: https://shdshim.github.io/pytheos-docs/.
How to cite¶
S.-H. Shim (2017) Pytheos - a python tool set for equations of state. DOI: 10.5281/zenodo.802392


Git Committed
What is git?
~$ man git
Git is a fast, scalable, distributed revision control system with an
unusually rich command set that provides both high-level operations and
full access to internals.
...
Its a way to manage a set of files over time
What can git manage?
Text files
Binary files
Git can be used to manage any kind of file
My first PR
My fix
diff --git a/salt/modules/freebsdpkg.py b/salt/modules/freebsdpkg.py
index b3bfe1a3d9..63e0a4cb87 100644
--- a/salt/modules/freebsdpkg.py
+++ b/salt/modules/freebsdpkg.py
@@ -85,7 +85,7 @@ def refresh_db():
__salt__['cmd.run']('portsnap update')
-def install(name, **kwargs):
+def install(name, *args, **kwargs):
'''
Install the passed package
Straight forward enough
Resulted in
To get this merged required
This was a lot for just a oneline change
Where to start?
Whose making the changes?
commit 28b1edb4a5a823c910a5d86ea3514ab982bcf3d1
Author: Rob Hernandez<EMAIL_ADDRESS>Date: Fri Feb 1 12:16:59 2019 -0800
Updates to vim dictionary
Configure .gitconfig
Add your name and email
git config --global user.name "Rob Hernandez"
git config --global user.email<EMAIL_ADDRESS>config created in user's ~/.gitconfig
~$ cat ~/.gitconfig
[user]
name = Rob Hernandez
email =<EMAIL_ADDRESS>Without a .gitconfig
Unable to identify the author
commit e0c03273720e088b157f53611ba4483b18d4cba6 (HEAD -> master)
Author: Minion<EMAIL_ADDRESS>Date: Sun Feb 24 12:15:31 2019 -0800
Adding a new file
uses the info about the current user and system
Bonus! Remotes will track contributions
A simple git workflow
Find a repo
First Contributors on Github
Fork the project repo
Get the URL or SSH string of fork
git workflow
Clone the repo down
~$ git clone git@github.com:sarcasticadmin/first-contributions.git
Navigate into the repo
~$ cd first-contributions
What did git clone do?
Retrieved the source code
~$ tree -L 1
.
|-- CODE_OF_CONDUCT.md
|-- Contributors.md
|-- LICENSE
|-- README.md
|-- additional-material
|-- assets
|-- github-desktop-old-version-tutorial.md
|-- github-desktop-tutorial.md
|-- github-windows-vs-code-tutorial.md
|-- github-windows-vs2017-tutorial.md
|-- gitkraken-tutorial.md
|-- package-lock.json
`-- translations
3 directories, 10 files
Additionally git clone
Adds a remote
~$ git remote -v
origin git@github.com:sarcasticadmin/first-contributions.git (fetch)
origin git@github.com:sarcasticadmin/first-contributions.git (push)
Sets the default branch
~$ git status
On branch master
nothing to commit, working tree clean
default branch? master?
the fattest and longest span is the trunk(master), not the branches
Create a branch for your changes
~$ git checkout -b mychanges-1
~$ git status
On branch mychanges-1
nothing to commit, working tree clean
We're now on our new branch
Lets modify the branch
~$ cat << EOF >> Contributors.md
- [Rob Hernandez](https://github.com/sarcasticadmin)
EOF
~$ git status
git detected a change!
Stage the change
~$ git add Contributors.md
~$ git status
git staged the change!
Commit it to the branch
~$ git commit -m "Add rob to Contributors list"
~$ git status
On branch mychanges-1
nothing to commit, working tree clean
what happened to the change?
Check the git log
~$ git log
git workflow
Push up the commit
~$ git push origin mychanges-1
Pre Pull Request
check repo documentation
check existing issues/pull requests
Submit the PR
submit against the upstream master
include a detailed description
Merged upstream
Other considerations
Pull updates from upstream
Configure upstream
~$ git add remote upstream https://github.com/firstcontributions/first-contributions.git
~$ git remote -v
origin git@github.com:sarcasticadmin/first-contributions.git (fetch)
origin git@github.com:sarcasticadmin/first-contributions.git (push)
upstream https://github.com/firstcontributions/first-contributions.git (fetch)
upstream https://github.com/firstcontributions/first-contributions.git (push)
Update master upstream
~$ git checkout master
~$ git pull --rebase upstream master
Always keep local master identical to upstream master
Other considerations
Merge conflict
Now what?
Other considerations
Example repo
First Contributors on Github
Thank you


Daniel Garcia
PORTFOLIO
(current)
ABOUT
RESUME
CONTACT
Connect with me today.
dan.grcia
1
@gmail.com
github.com/dagamo94
(720)215-6375


VirtualBoard is a drawing program conceived to help the users in their presentation for better explantion on the screen.
VirtualBoard allows to draw with hand, lines, rectangles, ellipses...
Simply use across different desktop browsers. Will be available on tablets soon.
Project is released under the MIT License and maintained by the community on GitHub.
Ease change or choose the new theme built on Bootstrap.
Changes are contained in just LESS files, enabling modification and ensuring forward compatibility.
An API will be available for integrating with your platform very soon.
Be notified about updates by following us on GitHub


+++ draft = false date = "2009-11-09T20:54:51-02:00" title = "Get a project imported into subversion and start working imediately on it" tags = ["management", "programming"] created = "2009-11-09T20:47:00-02:00" modified = "2009-11-09T20:56:22-02:00" permaLink = "http://play.pixelblaster.ro/blog/archive/2009/11/09/get-a-project-imported-into-subversion-and-start-working-imediately-on-it" author = "Tiberiu Ichim" aliases = [ "/blog/archive/2009/11/09/get-a-project-imported-into-subversion-and-start-working-imediately-on-it" ] +++
I managed to figure out how to beat one awkward piece of workflow when starting new project: I always start hacking on a project, then I notice that I haven't been working on a svn checkout (it's the chicken or the egg problem). So I need to do a svn import, delete my copy of the project, checkout the svn version and start hacking at my project again. This workaround is agravated, though, when working with buildouts. I can't svn import the entire folder, because lots of generated folders and files will end up in subversion, which I don't want. Cleaning my original, running import and regenerate the buildout is a workflow killer.
The solution is simple, and goes like this: instead of importing the entire buildout folder, I can run
svn import . http://my/subversion/path/ --depth empty -m "initial import"
or I can just create a folder in my repository with svn mkdir
Next, checkout the empty folder from the repository into my buildout
svn co http://my/subversion/path/ .
Now I can cherry-pick whatever I want committed, with svn add. Problem solved!


%%file MySecantMethod.m
function [xs] = MySecantMethod(f, x1, x2, tol, Nmax)
g = @(x1,x2) x2 - f(x2) * ((x2 - x1) / (f(x2) - f(x1)));
xs = [x1,x2];
err = Inf;
while err > tol
xs = [xs g(xs(end-1), xs(end))];
err = abs(f(xs(end)));
if length(xs) > Nmax
return;
end
end
end
Lab 4 - Secant method
Secant method
There is an alternative to Newton’s method that does not require a closed form for \(f'(x)\) called “Secant method.” Although the method is presented from the context of Newton’s method, it actually predates it by thousands of years. In order to understand it as it relates to Newton’s method, we can consider the definition of the derivative \(f'(x)\): \[ \begin{align*} f'(x) = \lim_{\delta \to 0} \frac{f(x) - f(x-\delta)}{\delta} .\end{align*} \] We can rewrite this as: \[ \begin{align*} f'(x) = \lim_{\delta \to 0} \frac{f(x) - f(x-\delta)}{x - (x - \delta)} .\end{align*} \] Taking a fixed small number \(\delta\) and plugging in some value \(x_n\) where \(x_n - \delta \approx x_{n-1}\) to get: \[ \begin{align*} f'(x_n) \approx \frac{f(x_n) - f(x_{n-1})}{x_n - x_{n-1}} .\end{align*} \] This is called the “secant line” at \(x_n\). If we now plug in this derivative approximation to Newton’s method, we get: \[ \begin{align*} g(x_n, x_{n-1}) = x_n - f(x_n) \frac{x_n - x_{n-1}}{f(x_n) - f(x_{n-1})} \end{align*} \] which is the secant method without an explicit form for \(f'(x)\)! Although this has simplified our procedure, there are also some drawbacks in convergence.
Pseudocode
Given two initial points \(x1\) and \(x2\), the fixed point function \(g\) (that takes in variables for \(x_n\) and \(x_{n-1}\)), an ending tolerance \(tol\), and a max number of steps \(Nmax\), we compute:
i = 2; % Counter variable
xs = [x1, x2]; % Array for storing results
while abs(xs(i)-xs(i-1)) > tol && i < Nmax
% Append g(xs(i),xs(i-1)) to xs
% Add 1 to i
end
Convergence
Firstly, because the secant method can be viewed as an approximation of Newton’s method, it is sensitive to the starting value \(x_1\) like Newton’s method. Specifically, if the slope of the function \(f(x)\) is near \(0\), the approximate derivative can give strange results. Additionally, if you start with an \(x_1\) that is too far away from your fixed point/root \(x^{*}\), the method will not converge.
Using a similar analysis as we would use with Newton’s method (namely Taylor’s series and mean value theorem), we ultimately get a convergence expression of \[ \begin{align*} C = \frac{|x_{n + 1} - x^{*}|}{|x_n - x^{*}|^{\frac{1 + \sqrt{5} }{2}}} \end{align*} \] which represents convergence of order \(\frac{1 + \sqrt{5}}{2}\). Although this is slower than Newton’s method, it is still faster than linear (order 1) and is thus faster than a method like bisection method.
Regula Falsi
The secant method addresses the requirement for a closed form derivative \(f'(x)\) to be used in Newton’s method, it does not solve the sensitivity to the initial starting point.
The “regula falsi” method can be viewed as a further extension of the secant method which is guaranteed to converge to the true root \(x^{*}\) by “bracketing” the root like the bisection method (i.e. always considering an interval \([a,b]\) for which \(f(a)f(b) < 0\)). To do so, it adjusts the bisection method midpoint selection using a secant line: \[ \begin{align*} f'(b) \approx \frac{f(b) - f(a)}{b - a} .\end{align*} \] This line is then applied to finding a “pseudo-midpoint” \(c\) that is between \(a\) and \(b\): \[ \begin{align*} c &= b - \frac{f(b)}{f'(b)} \\ &\approx b - f(b) \frac{b - a}{f(b) - f(a)} .\end{align*} \] After computing the “midpoint” \(c\), we can check \(f(a)f(c) < 0\) and adjust the interval \([a,b]\) accordingly.
Pseudocode
Given the initial interval \([a,b]\), the function \(f\), and an ending tolerance \(tol\) (the size of the final interval), we compute:
% Create a function g that computes the midpoint using regula falsi formula
g = @(a,b) ...
% While half the interval is bigger than the given accuracy tolerance
c = g(a,b)
while |f(c)| > tol
% c = g(a,b)
% If f(c) = 0, stop -- this would be lucky (c=root)!
% If f(a)f(c) < 0, then b=c -- the root is between a and c
% Else, a=c -- the root is between c and b
end
% The final c is an approximate root
Note that this is almost identical to the bisection method with an adjusted calculation of \(c\)!
Convergence
The general concept of the regula falsi method is to use the secant line to identify a point much closer to the root than the bisection method could, while still bracketing the root and guaranteeing convergence. In that sense, it should share a similar convergence rate as the bisection method along with guaranteed convergence.
However, unlike the bisection method, the regula falsi method does not have a guaranteed amount that it will shrink the interval \([a,b]\) at each step due to this new “pseudo-midpoint” selection. Thus, it can on occasion converge slower than the bisection method! This demonstrates the challenging trade-offs associated with numerical methods: improved convergence, computational cost, or speed may result in instability, lack of convergence, or more assumptions and vice versa.
Comparison of root finding methods
As we have explored in the previous sections, there are various pros and cons associated with each of the root finding methods we have discussed. These can be roughly summarized in the following table:
| Method | Pros | Cons |
|---|---|---|
| Bisection | Guaranteed to converge | Slow linear convergence |
| Newton’s | Fast quadratic convergence | Need to know \(f'\), may not converge |
| Secant | Good superlinear convergence | May not converge |
| Regula falsi | Usually superlinear convergence, guaranteed to converge | Can have very slow convergence |
To further illustrate these differences, consider the following plots and table showing the results of these methods on the function \(f(x) = (x-3)^3\sin(x) + 3.5\) on the interval \([1,3]\) using a tolerance of \(10^{-5}\):
| \(n\) | \(x_n\) | \(f(x_n)\) | \(x_n\) | \(f(x_n)\) | \(x_n\) | \(f(x_n)\) | \(x_n\) | \(f(x_n)\) |
|---|---|---|---|---|---|---|---|---|
| 0 | 2.00 | 2.59 | 2.00 | 2.59 | 1.00 | -3.23 | 1.96 | 2.4 |
| 1 | 1.50 | 0.13 | 1.18 | -2.10 | 2.00 | 2.59 | 1.54 | 0.4 |
| 2 | 1.25 | -1.58 | 1.48 | 0.01 | 1.55 | 4.83 | 1.48 | 0.0 |
| 3 | 1.37 | -0.71 | 1.47 | 0.00 | 1.45 | -0.17 | 1.48 | 0.0 |
| 4 | 1.43 | -0.28 | 1.48 | 0.004 | ||||
| 5 | 1.46 | -0.07 | 1.47 | 0.00 | ||||
| 6 | 1.48 | 0.03 | ||||||
| 7 | 1.47 | -0.02 |
It can be immediately recognized that Newton’s method converged to a very accurate solution most rapidly followed closely by Regula falsi then Secant and finally Bisection. It is impressive that Regula falsi was so quick but this is not always the case. In addition, we needed more information for Newton’s method and for Regula falsi.
To get a sense for how these results can change, consider \(f(x) = 2x^{3} - 4x^{2} + 3x\) on the interval \([-1,2]\) using a tolerance of \(1\times 10^{-2}\):
| \(n\) | \(x_n\) | \(f(x_n)\) | \(x_n\) | \(f(x_n)\) | \(x_n\) | \(f(x_n)\) | \(x_n\) | \(f(x_n)\) |
|---|---|---|---|---|---|---|---|---|
| 0 | 0.50 | 0.75 | -1.00 | -9.00 | -1.00 | -9.00 | 0.80 | 0.86 |
| 1 | -0.25 | -1.03 | -0.47 | -2.50 | -0.50 | -2.75 | 0.64 | 0.80 |
| 2 | 0.13 | 0.32 | -0.16 | -0.59 | -0.28 | -1.19 | 0.50 | 0.75 |
| 3 | -0.06 | -0.20 | -0.02 | -0.08 | -0.11 | -0.38 | 0.39 | 0.68 |
| 4 | 0.03 | 0.09 | -0.00 | -0.00 | -0.03 | -0.09 | 0.29 | 0.58 |
| 5 | -0.02 | -0.05 | -0.00 | -0.01 | 0.21 | 0.47 | ||
| 6 | 0.01 | 0.02 | -0.00 | -0.00 | 0.15 | 0.37 | ||
| 7 | -0.00 | -0.01 | 0.10 | 0.27 | ||||
| 8 | 0.00 | 0.01 | 0.07 | 0.20 |
In this example, the regula falsi method suffers from a small secant line and shrinks the interval by only about \(\frac{1}{3}\) at each step making it much slower than the bisection method. Although this example was selected specifically to demonstrate this behavior (and it’s not a very common behavior), it is something to be aware of when selecting your root finding method.
Examples
The following is a Matlab function that takes in a function handle f
, initial points x1
and x2
, a tolerance tol
, and a max number of possible iterations Nmax
. This function performs the secant method iteration until \(|f(x_n)| < \text{tol}\) and return all iterations \(x_n\) as an array xs
:
Considering a function \(f(x) = (x-3)^3\sin(x) + 3.5\):
f = @(x) (x - 3).^3 .* sin(x) + 3.5;
xdom = linspace(0, 4, 100);
y = f(xdom);
figure()
plot(xdom, y);
hold on; grid on
xlabel("x", 'Interpreter','latex'); ylabel("f(x)", 'Interpreter','latex');
legend("$(x-3)^3 \sin(x) + 3.5$", 'interpreter','latex')
hold off
Applying this function to find an approximate root for the above function with initial points \(x_1 = 1\) and \(x_2=2\), a tolerance \(10^{-5}\), and max number of iterations Nmax=20
:
xs = MySecantMethod(f, 1, 2, 1e-5, 20);
disp(xs)
1.0000 2.0000 1.5551 1.4530 1.4803 1.4796 1.4796
Repeating this procedure using starting points \(x_1 = 1\) and \(x_2 = 3\):
xs = MySecantMethod(f, 1, 3, 1e-5, 20);
disp(xs)
1.0e+03 *
Columns 1 through 7
0.0010 0.0030 0.0020 -0.0005 0.0022 0.0027 -0.0018
Columns 8 through 14
0.0028 0.0029 -0.1942 0.0029 0.0029 -2.1538 0.0029
Columns 15 through 21
0.0029 -2.1456 0.0029 0.0029 -2.1469 0.0029 0.0029
Note that the results change very significantly between the two different initial conditions. In fact, they seem to no longer converge in the second case. This demonstrates the sensitivity of the secant method to the two initial guess points.
Regula falsi
The following is a Matlab function that takes in a function handle f
, interval lower bound a
, interval upper bound b
, and a tolerance tol
. This function performs the regula falsi iteration until \(|f(x_n)| < \text{tol}\) and return all iterations \(x_n\) as an array xs
:
%%file MyRegulaFalsi.m
function [xs] = MyRegulaFalsi(f, a, b, tol)
N = 0;
xs = [];
c = b - f(b) * ((b - a) / (f(b) - f(a)));
while abs(f(c)) > tol
c = b - f(b) * ((b - a) / (f(b) - f(a)));
xs(N+1) = c;
if f(c) == 0
return
elseif f(a)*f(c) < 0
b = c;
else
a = c;
end
N = N + 1;
end
end
Applying the regula falsi function to find an approximate root for \(f(x) = (x-3)^3\sin(x) + 3.5\) with interval \([1,3]\) and a tolerance \(10^{-5}\):
xs = MyRegulaFalsi(f, 1, 3, 1e-5);
disp(xs)
1.9602 1.5452 1.4822 1.4797 1.4796
Finding a quantile of a probability distributions
A very common computation in statistics is to find a “quantile” of a probability distribution. For example, say we have a normal distribution of the heights of people in the class given by the cumulative density function (CDF): \[ \begin{align*} C(x) = \frac{1}{2}\left(1 + \text{erf}\left(\frac{x - \mu}{\sigma \sqrt{2}}\right)\right) \end{align*} \] where \(C(x)\) is the probability that someone in the class is shorter than height \(x\) (ft) given the class has average height \(\mu\) (ft) and standard deviation \(\sigma\) (erf is the error function which is also called in Matlab).
The 95% “quantile” of this CDF is the height \(x\) for which 95% of the class is shorter (i.e. the \(x^*\) such that \(C(x^*) = 0.95\) given \(\mu\) and \(\sigma\)). This computation is actually a root finding problem! All we need to do is find the root of the function: \[ \begin{align*} f(x) = 0.95 - C(x) .\end{align*} \] The derivative of this function can be written as: \[ \begin{align*} f'(x) = - P(x) \end{align*} \] where \(P\) is the probability density function (PDF) of the normal distribution: \[ \begin{align*} P(x) = \frac{1}{\sigma \sqrt{2\pi} }e^{-\frac{1}{2}\left(\frac{x - \mu}{\sigma}\right)^{2}} .\end{align*} \]
The following is a plot of the CDF for \(x\) on the interval \([3, 8]\) given \(\mu = 5.5\) and \(\sigma = 0.35\).
m = 5.5;
s = 0.35;
C = @(x) (1/2) .* (1 + erf((x - m) ./ (sqrt(2)*s)));
P = @(x) (1 ./ (s*sqrt(2*pi))) * exp( (-1/2) .* ((x - m) ./ s) .^ 2);
nquant = @(x) 0.95 - C(x);
xdom = linspace(3, 8);
% plot(xdom, P(xdom))
figure()
plot(xdom, C(xdom))
hold on
xlabel("x", 'Interpreter','latex');
ylabel("C(X)", 'Interpreter','latex');
grid on
hold off
To Find the \(95\%\) quantile of this CDF:
- Using Secant method with starting points
x1=4.5
andx2=6
, tolerance \(10^{-5}\), andNmax=10
:
xs3 = MySecantMethod(nquant, 4.5, 6, 1e-5, 10);
disp(xs3);
4.5000 6.0000 6.0432 6.0707 6.0753 6.0757
- Using regula falsi with interval \([4, 7]\) and tolerance \(10^{-5}\):
xs4 = MyRegulaFalsi(nquant, 4, 7, 1e-5);
disp(xs4);
Columns 1 through 7
6.8500 6.7077 6.5730 6.4470 6.3326 6.2354 6.1621
Columns 8 through 14
6.1159 6.0922 6.0819 6.0780 6.0765 6.0760 6.0758
Columns 15 through 16
6.0757 6.0757


Title
Action Buttons at start position
Cancel
Submit
Title
Action Buttons at center position
Cancel
Submit
Title
Action Buttons at end position
Cancel
Submit
Title
Action Buttons with stretched position
Cancel
Submit


|
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| Delta (base::TimeDelta delta) |
| |
|
int64_t | ToSeconds () const |
| |
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int64_t | ToMilliseconds () const |
| |
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int64_t | ToMicroseconds () const |
| |
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bool | IsZero () const |
| |
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bool | IsInfinite () const |
| |
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QuicString | ToDebugValue () const |
| |
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static QUICTIME_CONSTEXPR Delta | Zero () |
| |
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static QUICTIME_CONSTEXPR Delta | Infinite () |
| |
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static QUICTIME_CONSTEXPR Delta | FromSeconds (int64_t secs) |
| |
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static QUICTIME_CONSTEXPR Delta | FromMilliseconds (int64_t ms) |
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static QUICTIME_CONSTEXPR Delta | FromMicroseconds (int64_t us) |
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class | QuicTime |
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class | QuicClock |
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bool | operator== (QuicTime::Delta lhs, QuicTime::Delta rhs) |
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bool | operator< (QuicTime::Delta lhs, QuicTime::Delta rhs) |
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QuicTime::Delta | operator<< (QuicTime::Delta lhs, size_t rhs) |
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QuicTime::Delta | operator>> (QuicTime::Delta lhs, size_t rhs) |
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QuicTime::Delta | operator+ (QuicTime::Delta lhs, QuicTime::Delta rhs) |
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QuicTime::Delta | operator- (QuicTime::Delta lhs, QuicTime::Delta rhs) |
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QuicTime::Delta | operator* (QuicTime::Delta lhs, int rhs) |
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QuicTime::Delta | operator* (QuicTime::Delta lhs, double rhs) |
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QuicTime | operator+ (QuicTime lhs, QuicTime::Delta rhs) |
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QuicTime | operator- (QuicTime lhs, QuicTime::Delta rhs) |
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QuicTime::Delta | operator- (QuicTime lhs, QuicTime rhs) |
| |
The documentation for this class was generated from the following files:


Mongoose WebSocket Test
This page code creates websocket to the URI "/foo",
sends a message to it, waits for the reply, then sends an "exit" message.
Server must echo all messages back, and terminate the conversation after
receiving the "exit" message.


--- layout: page ---
Legal Notice / Imprint
{{site.author}}
Author
{{site.email}}
email
© {{ site.time | date: '%Y' }} - {{site.author}}
Copyright
{% include mention.html %}


PL doc held over VAWC case
by Alfred P. DalizonCAGAYAN de Oro City policemen on Friday evening arrested a 40-year-old Bayan Muna party-list doctor accused of violence against women and their children, a Police Regional Office 10 report said yesterday.
Dr. Charles Rainer Marquez was arrested on the strength of a warrant of arrest for violation of Republic Act 926 or the Anti-Violence Against Women And Their Children Act of 2004 at the Atrium in Limketkai, Cogon, Cagayan de Oro City at 9 p.m. Friday, said PRO10 director, Brigadier General Rolando B. Anduyan.
Anduyan said that Judge Anisah Amanodin Umpa of the Tubod, Iligan City Regional Trial Court Branch 2 recommended a P72,000 bail for the temporary liberty of the accused who was arrested by officers led by Captains Jaypee Jay Fos and Zean Paul Cubil.
The PRO10 said that Marquez, assigned with the City Health Office of Cogon, is known for his involvement in Bayan Muna recruitment activities in Iligan City. He was detained at the Cagayan de Oro City Police Station 4 pending his posting of bail.


CrystalCompatible
public protocol CrystalCompatible : AnyObject
A type that has crystal extensions. You can use cst
property to get extension methods.
// Make `UIView` conform to `CrystalCompatible`.
extension UIView: CrystalCompatible {
public typealias Theme: AppTheme
}
When conforming to CrystalCompatible
, you have to determine the concrete theme type in the conformance.
-
The theme type that is determined when making protocol conformance.
Declaration
Swift
associatedtype Theme : CrystalThemeType
-
cst
Extension methodCrystal namespace used to expose available methods and properties.
Declaration
Swift
public var cst: Crystalline<Self, Theme> { get }


Mandor Mountains [av29], mountain, in Mandoria, peasants: 147
Last updated Turn #130
Mandor Mountains [av29], mountain, in Mandoria, peasants: 147
------------------------------------------------------------------------
30: The population grows by one peasant.
Routes leaving Mandor Mountains:
North, mountain, to Mandor Mountains [au29], 10 days
East, plain, to Plain of Tears [av30], 7 days
Garrison [gz1p], garrison, uncontrolled, with ten peasants
South, mountain, to Mandor Mountains [aw29], 10 days
West, mountain, to Mandor Mountains [av28], 10 days
Garrison [dr9p], garrison, uncontrolled, with six peasants
Down, mine-shaft, to Black Hole [u34], 0 days
Seen here:
Garrison [jq2j], garrison, uncontrolled, with five peasants


Restock Requests
Time
Product
Location
{% for request in requests %}
{{ request['created'] }}
{{ request['product'] }}
{{ request['location'] }}
{% endfor %}


Sometimes when you've got big dreams, people will say you've got your head in the clouds. Don't let that stop you. Whether you're a startup company looking to build your brand, an entrepreneur creating a web or mobile app, or just a person with an idea, we have the skills it takes to design a product that will bring your ideas to life and create a user experience your customers will never forget! Contact us today!


--- layout: archive title: Zulip Chat Archive permalink: /stream/113488-general/topic/Vscode.20Translations.20file.html ---
Dear all I am cleaning up the vscode translations file. I've removed all of the accents which are rejected by Lean. Are there any shortcuts that people find they mistype frequently or which stop a useful character from being corrected?
Eg I often write "\de" and have it corrected to "\dei" = "ϯ" instead of "\delta". Would people also be interested in having two letter shortcuts for all of the lower case greek letters? Ie "\ta" corrects to tau and so on.
It would be nice if \C
was ℂ
lambda should have a one letter command (other than G
which makes no sense), any suggestions?
maybe \l
for lambda and \<-
for left arrow
I agree that all greek should be one or two letters
\e
should be epsilon not equal
\q
is theta in mathematica, and a black box in lean (not so useful)
\p
could be pi instead of that arrow
I use \l
a lot in do notation.
I think people in general use lambda more than <-
there's also rw \l
which might be more common than lambda depending on style
Another consideration though is ending the abbreviation. I'm not sure whether VSCode works the same way but if I want to rewrite with the reverse of a hypothesis with name that happens to start with e
, I would like to type rw \le...
, but that gets processed as the less-than-or-equal operator
usually I put a space after a lambda but not necessarily after a <-, so switching them would be an improvement in that case
mathlib style puts a space between <-
and the lemma anyway
if left arrow is so important, any votes for \-
for left arrow? Currently it looks like it makes a nbsp
\c
is currently ⌜
which is a little useless.
Also maybe \ss
for ⊆
instead of ß
\c
could be chi
\i
for ⁻¹
instead of ∩
?
\n
should be ¬
not ∋
\/
could be \or
, is that too tricky?
\v
doesn't have a translation.
down arrow? Then \d
can be delta
I guess down arrow doesn't really matter
I don't want to change too many of the ones that are in use but already assigned.
\v = nu?
kind of abusive but \n
is taken
I've added 2 letter translations for each of the greek letters
Was thinking \v
could be \or
aha
\D and \G are greek capitals?
The current \GD
and \Gd
etc is annoying to type
\L = Lambda
overwriting "Ł" with "Λ"
I certainly use big lambda more than polish L in maths
I see that's the only abbrev for polish L, maybe it can relocate to \L/
\m
= mu, I don't know what that m-eq thing is
Can we have \
= lambda? Or is \
-space impossible to assign in VScode? (It is even sort of mnemonic...)
well \;
is space :p
I would expect that to be unicode THIN SPACE, if that exists (-; Which I think it does. But that is just my LaTeX intuition ported to VScode. And that port might not be lawful
Patrick just vetoed space. ,
needs to remain ,
Fair enough... but just like others need to fix their OS, he ought to fix his keyboard layout :stuck_out_tongue_wink:
One thing i found accidentally, was \<> will do the same as: \< \>, but that neither \f<> nor \f<f> will do the same as \f< \f>, I looked a bit through the translations but didn't find where the \<> magic was coming from
I don't know if this belongs in the translations file... but I wouldn't mind if I could type \copyright
and this would expand to the header that goes to the top of every Lean file. (If possible with the correct year filled in.)
Of course I can just copy it from another file... but this would be a nice little feature.
Priority: very low
@Johan Commelin Something like this? https://github.com/leanprover/mathlib/pull/589
nice
Awesome!
Summary of my proposed changes:
- \L
is Λ
instead of Ł
- \G
is Γ
- \p
is Π
- \C
is ℂ
instead of ∁
- \c
is χ
- \v
is ∨
- \-
is ⁻¹
instead of a space.
- \n
is ¬
- \ss
is ⊆
- \m
is μ
All greek letters have a 2-space shortcut. Eg sigma is \si
, omega is \om
etc.
All accented characters have been removed except
À Á Â Ã Ä Å Æ Ç È É Ê Ë Ì Í Î Ï Ð Ñ Ò Ó Ô Õ Ö Ø Ù Ú Û Ü Ý Þ à á â ã ä å æ ç è é ê ë ì í î ï ð ñ ò ó ô õ ö ø ù ú û ü ý þ ÿ Ł
(so we can still use important keywords like "Hölzl")
Did we decide something for \l giving lambda or left arrow?
I'd prefer not to change it from left arrow, since presumably anyone who writes tactics uses it a lot.
everybody use left arrow a lot, it's also used in rewrite. If we change we also need a nice shortcut for left arrow
\l
for lambda is contentious so I just kept it as is. In this PR I don't want to change the translations file in such a way that could potentially make things worse for some users.
Some unsupported notations I have considered using in the future are
ˇ caron, ␣ vispace, ˅ down , ˄ up, ⅅ Dd, ⅆ dd, ⅇ ee, ⅈ ii, ⅉ jj.
The intended use is that ⅈ designates the complex number i, ⅇ designates the
base of the natural log, ⅆ is the binder for integration, etc.
I have experimented with using accents as operators. For example, the U+0304 bar accent is particularly useful.
Will Lean-emacs remain compatible with VSCode for those of us that switch back and forth?
The emacs and VSCode lean modes use the same translations file, so any change to translations.json should affect both
I'm not sure if the cocalc version uses the same file
We should also make sure to PR modifications to TPIL and the reference manual (and mathlib doc)
The emacs and VSCode lean modes use the same translations file, so any change to translations.json should affect both
Unfortunately this is not at all the case. The vscode extension, the emacs mode, cocalc, the javascript version, they all use their own copy of the translations. The translations.json
file was originally exported from the emacs mode two years ago. To my knowledge, none of the improvements in the vscode extension have been propagated to the other editor plugins.
I still type \lam
:shrug:
But I'm definitely open to unifying this
@Edward Ayers Have your changes already been merged?
If not, could you change the translation of \functor
(and prefixes of that) back to the old symbol?
The old symbol is ⇒
His changes have already been merged in #107, but your suggestion wouldn't be hard to implement.
Sure, I just wasn't aware what the status was. Otherwise it could go into that PR.
So now we have to create a new one.
I'm not seeing anything related to \functor
changed in the diff though?
Here's the diff. In the current version of the extension, if I complete \functor
I get ⥤
. If I search the diff for that symbol, I see it both in the old version and the new version.
The symbol you pasted above as the "old symbol" ⇒ is currently \Longrightarrow
.
I guess this also used to be under \functor
but that was changed by your commit in August.
OK, so I think I finally understand. You want to revert that change from August, not anything done by Ed.
Exactly. Sorry if I was confusing.
Because that symbol was locked into core, but was recently liberated.
I made a PR with this change. @Gabriel Ebner
Should we maybe wait until mathlib works with that Lean version?
Yes, that is probably a good idea.
How far are we from that moment?
As far as I can tell we're just waiting on 3.4.2 to be officially released. Then I'll PR the 3.4.2 branch in community mathlib which currently works with nightly.
We could switch to nightlies earlier, I guess.
I think so
{% endraw %}Last updated: Apr 24 2020 at 19:02 UTC


To-date, the Bagua has given me the most trouble. It is a wonderfully difficult puzzle. It can become horribly bandaged, and one can go in circles trying to make any head-way. Here's what I did to solve this thing.
By this I mean that it is in cube shape, save the small bumps that are made by the short, rectangular, thin peices making up one or two parts of an edge block. The bandaging can be bad enough that it seems impossible to get anywhere. All I can say is that with some trial and error, you can get to situations where the following becomes easier, and that is to use corner-permutation moves (with setup moves that are multiples of a 1/2 turn) until all corner pieces are in corner locations and all edge pieces are in edge locations. To help reduce bandaging in preparation for such moves, try to get into a state where you can execute the well known sequence...
2[Ri,Di,R,D]
...and its variants to re-orient the center bits of the edge blocks. Getting these "flaps" to lay down flat against the cube will significantly minimize bandaging. I refer to this as "flattening" later on. Many useful sequence will require you to subsequently resolve some edge and corner peices, then reflatten a few edge block center bits. The well-known corner tri-cycle I use is...
U,R,Ui,Li,U,Ri,Ui,L
...which usually needs to be setup with a half turn in order to interchange corner pieces and center bits of edge blocks.
At this point, small bumps may protrude from the edge blocks in a way that is more or less bandaging, but the general shape of the puzzle is more cube-shaped than ever before. In any case, you'll eventually be able to use the following sequence...
X = (1/2)Fi,(1/2)Bi,2U,(1/2)F,(1/2)B
...to create what I like to call "V-pairs". These are the said protrusions, two on a single edge block, and both on the same side of that block. Once you have 4 V-pairs in a single top layer, and poking out the sides of the cube (not the top), then you can easiliy collapse them down to 0 V-pairs by moving the 4 corners to the 4 edge locations, and vice-versa. Swapping a pair of corners and edges can be accomplished with...
F,3[R,U,Ri,Ui],Fi,(1/2)R,F,3[R,U,Ri,Ui],Fi,(1/2)Ri
...so two applications of this in the right contexts (from the right perspectives) will reduce the 4 V-pairs down to zero.
Of course, the number of V-pairs you have to get rid of may not be a multiple of 4. Not really seeing how to eliminate a single V-pair, I could see how to create a new V-pair. (Reverse this idea, I suppose, to eliminate V-pairs one by one.) Once you work your way up to 4 again, you can collapse them back down to 0 as already prescribed. The basic move is as follows...
(1/2)Di,M,2U,Mi,(1/2)D
This puts you back at step 1, but you're just a single tri-cycle and a flattening away from being back in semi-cube shape; and furthermore, you've created one V-pair and two edge blocks that can be combine to form another new V-pair. If you only wanted to create 1 V-pair in total, then you do the above sequence involving an edge block that is a half-V-block, instead of a non-V-block (i.e., a solved edge block in terms of shape only, not color.)
With what's been said thus far, we can go from semi-cube shape to cube shape; problem is, however, that we have to combine this step with the problem of getting half the tiny triangles solved in the corner positions, at least up to being positioned on their correct or opposite faces. Think about the process that takes 4 V-pairs to 0 V-pairs. It will effectively swap 4 of the 8 tiny triangles on a face with the other 4. Of course, we can do this on any face for which we have yet to resolve the triangles we care about. On the last face, we can avoid the problem by breaking the V-pairs (using the sequence X above) and then resolving them (again using X) in such a way that the vertex of the "V" in the V-pair contains a tiny triangle of the desired color.
So the last thing to describe here is how we can move the tiny triangles around. What I've done is use...
(1/2)R,2U,F,3[R,U,Ri,Ui],Fi,(1/2)Ri,(1/2)L,U,B,Ui,Fi,U,Bi,Ui,(1/2)Li
...after setting up for the move so that a tiny triangle from an edge lands where I want it to land in a corner. This sequence will bring you back to step 1, but you're only one flattening away from getting back to step 2 with some additional progress made. Note that this also creates V-pairs, so it's give and take between the problem of solving the tiny corner triangles and eliminating the V-pairs.
The following is also useful.
(1/2)B,(1/2)L,(1/2)R,R,U,Ri,U,R,2U,Ri,(1/2)Li,(1/2)Ri,(1/2)Bi
The sequence 7P is also useful, where...
P = 2R,U,2R,Ui
This tri-cycles tiny triangles while eliminating a single V-pair.
The cube now being back in perfect cube shape, we turn our attention to solving the colors of the edge blocks. Doing so is time-consuming and tedious, but with patience, you can easily get to the point where you have all but two of them solved. You're just using the sequence X given above after positioning and orienting the edge blocks in preparation for that move. Careful planning is required. To put a single edge block together, you have to build 3 different peices of it in 3 different locations, then bring them together with 2 applications of the sequence X. As you go about this, and throughout this entire step, you need not worry about the tiny corner triangles you solved in the last step, as long as you stick to the sequence X (from any perspective.) We will easily address these tiny corner triangles for the last time in step 4. You do, however, need to make sure that you don't break a solved edge block while solving a new one; or at least, that you only temporarily break any existing edge blocks while solving a new one.
The crux of this step occurs when we come down to solving the last two edge blocks. The following sequence is helpful.
K = 3[X,Y,Xi,Yi]
Here, X is as already given, and Y is given by...
Y = Fi,L,D,Li,Di,Fi,D,2F
The sequence K will swap a pair of quadrilateral faces on each of two opposing edge blocks in the top layer, while also flipping the triangular pieces in the center of each edge block. You may also want to use X,Y,Xi to get the thin rectangular peices solved. Replace X in K with Xi to do a varient of the move that is mirror image.
To tri-cycle 3 tiny triangular peices spread across a pair of opposing edge blocks in the top layer (there are 4 in total), use the following sequence...
Q = B,A,Y,Ai,Yi,Bi
...where A is given by...
A = (1/2)Fi,(1/2)Bi,L,3[F,U,Fi,Ui],Li,(1/2)B,(1/2)F
To avoid unsolvability of these tiny triangles by tri-cycling, make sure the last two edge blocks share a common color.
Lastly, the following sequence is the secret sauce of solving the last two edge blocks. Again, these need to be on opposite sides in a top layer. Executing the sequence...
2[Q,X]
...will tri-cycle 3 quadrilateral faces while leaving the rest of the puzzle invariant! If you find that you need to swap a pair of such faces, then you can still use this sequence if you involve a third quadrilateral of the same color as one of the two you need to swap. Replace X with Xi to do a varient of the tri-cycle that is mirror image. (It's possible that the A in Q can be replaced with something like something like...
(1/2)U,L,R,2D,Ri,Li,(1/2)Ui
...a sequence a friend of mine told me about that is quite convenient.)
Following is a picture of the tri-cycle with X in the sequence.
Following is a picture of the tri-cycle with Xi in the sequence.
Note that all algorithms given thus far for solving the last two composite edge blocks will not be enough if you are experiencing a parity problem of the puzzle that manifests itself as the solver being unable to get the edge centers oriented and positioned with respect to the edge sliver peices. From what I've heard from a friend, rotating one face 45 degrees, then resolving shape is a way of dealing with the error. Knowing if you have the parity issue might be possible by looking at the orientation of the centers. In any case, I believe that the following sequence toggles the parity. (It has worked for me every time so far.)
(1/2)Ui,W,(1/2)U,W,(3/2)U,W,(1/2)U,W,(3/2)U,W,2U,4[7T,U],Ui
W = R,3[U,F,Ui,Fi],Ri
T = 2L,D,2L,Di
Without needing to memorize any of this, the idea is simply to do the 45 degree rotation of the top, then swap corners with edge-centers, then kill the V-pairs as usual. I wish I understood the exact nature of the parity, and must admit to not really being able to take any credit whatsoever in coming up with a solution to it. Yes, the sequence above is mine, but it is a direct consequence of following 3rd-hand advice from somewhere on the internet. So yes, I used help on this last peice of the puzzle. Oh well. At least I can see now that I know of a full solution to this puzzle, even if I didn't fully find it myself.
This is a trivial matter of solving an even number of pairs of such triangles on opposite sides of the cube by temporarily breaking 2 pairs of edge blocks in one solve, then fixing them in another solve. If you need to solve an odd number of tiny triangle pairs, then on the last pair, simply swap two tiny triangles of the same color to break 2 pairs of edge blocks, then fix them while solving the last pair of tiny triangles. Of coures, these breaks and fixes are accomplished with the sequence X with preparation between applications.
At last, solve the 3x3x3. I'm fairly sure that it's not possible for a single edge to be flipped or for some other sort of problem to occur. Bask in the glory of having solved this infernal puzzle!


Last Month in ManageIQ: quandaries
Since its founding in 2018, Last Month In MIQ has been the absolute golden standard for journalistic integrity, never afraid to grab truth by the scruff of the neck and shake it up a little. Of course, that being said, we do ever so occasionally take a break from our regularly scheduled program to bring you insights into the minds of our crack team here at MIQ. I know you look forward to such rare occasions with baited breath. Best not to think about what it’s baited with.
Unfortunately the current run of our blog has had to be mostly abandoned because of its low visibility and a striking case of writers’ remorse, but we felt that our readers would still want to know a little something of the private lives of our contributors.
On second thought, no, never mind, I’ll spare you all.
Does the average person get enough sleep? What is enough sleep? What is the average person? What is “does”?
While we’re on the subject of sleep, even seven hours’ sleep does a soul no good if they are spent wondering what it is that is lying across the foot of the bed just over their ankles. As many of you know, I am without a dog at present, so there is no way for me to explain even to myself what it is that lies across my ankles just after I get to sleep. I mean, if it’s not a dog… Perhaps that is what hope is, the thing that lies across your ankles after you get to sleep. Emily Dickinson must have been confused. She is also said to have been convinced that a recuperative night can be spent only by sitting bolt upright in bed, with the eyes as wide open as humanly possible and a large blunderbuss resting across the knees.
My latest fiasco, incidentally, involved the writing of a post entitled “How To Be Funny”, targeted at jrafanie (who has the honor of being picked on this time because he has a one track mind, and it’s a dirt track), and included the following gem: “By some historical accident, puns are lumped in with things that make us laugh. Ignore that mistake. Don’t make puns.” Though, please feel free to tell him that “he has the spirit of a Cossack, and that with boots and a sabre and a Persian lamb hat he could ride down peasants in the grand manner.” It is not intended as a compliment, though he of course is peculiar and contrary enough to take it as one anyway.
Speaking of LJ, a shockingly vast number of people use faulty English without knowing it. Ain’t you?
You know how you regularly have desperately wanted to use the word “eleemosynary” and have found yourself simply unable to do so without laughing? So you have of course used “whom” instead, thinking that it means the same. Well, it don’t—doesn’t.
Now all this may have seemed a very funny joke to you (or perhaps not, but if it doesn’t, please never darken my door again) but I have an actual word of serious warning to end on. Pay attention. This month will be a bad one for those people who bruise easily, as meteor showers are predicted. The month is April. The date is the fourteenth. The time is nine PM Eastern Standard. The moon is the same round old yellow thing. The meteor is the thing that may hit you in the face if you’re searching for the same round old yellow thing. We shall cover fatalities by meteor in our next blog post.


ID: {{character?.id}}
Region: {{character?.location?.regionName}}
Constellation: {{character?.location?.constellationName}}
Solar System: {{character?.location?.solarSystemName}}
Station ID: {{character?.location?.stationId || 'None'}}
Structure: {{character?.location?.structureName || 'None'}}


{% extends 'layout.html' %} {% block pageTitle %} Manage your preferences for breast screening {% endblock %} {% block content %} {{ backLink({ "href": "appointment-adjustments", "text": "Back to appointment adjustments" }) }}
If you need a carer, you can bring them with you on the day.
To help us plan properly, tell us if you:


public class QuestionForumManager
extends java.lang.Object
implements java.io.Serializable
| Modifier and Type | Class and Description |
|---|---|
static interface |
QuestionForumManager.OnManyQuestionsFetchListener
This interface represents an action to be taken when a collection of Questions is fetched
from the database.
|
static interface |
QuestionForumManager.OnManyRepliesFetchListener
This interface represents an action to be taken when a collection of Questions is fetched
from the database.
|
static interface |
QuestionForumManager.OnQuestionFetchListener
This interface represents an action to be taken when an Question document is fetched from the database.
|
static interface |
QuestionForumManager.OnReplyFetchListener
This interface represents an action to be taken when a Reply document is fetched from the database.
|
| Constructor and Description |
|---|
QuestionForumManager(java.lang.String associatedExperimentID)
Constructor for QuestionForumManager
|
| Modifier and Type | Method and Description |
|---|---|
void |
createQuestion(Question newQuestion) |
void |
createReply(java.lang.String selectedQuestionID,
Reply newReply) |
void |
deleteAllQuestions()
This deletes all of the questions in the collection referenced by the question forum manager.
|
void |
deleteAllReplies(java.lang.String questionID)
This deletes all of the replies of a given question in the collection referenced by the
question forum manager.
|
void |
deleteQuestion(java.lang.String questionID)
This deletes a questions from the collection of questions.
|
void |
deleteReply(java.lang.String selectedQuestionID,
java.lang.String replyID) |
java.lang.String |
getNewPostID()
Generates a new unique question ID
|
java.lang.String |
getNewReplyID(java.lang.String questionID) |
com.google.firebase.firestore.CollectionReference |
getReplyForumCollection(java.lang.String questionID) |
static void |
setCollectionPath(java.lang.String newPath)
Sets the collection path of all QuestionForumManagers.
|
void |
setOnAllQuestionsFetchCallback(QuestionForumManager.OnManyQuestionsFetchListener listener)
Sets a function to be called when all questions are fetched
|
void |
setOnAllRepliesFetchCallback(java.lang.String questionID,
QuestionForumManager.OnManyRepliesFetchListener listener)
Sets a function to be called when all questions are fetched
|
void |
setOnQuestionFetchListener(java.lang.String postID,
QuestionForumManager.OnQuestionFetchListener listener)
Sets a function to be called when a question is fetched
|
void |
setOnReplyFetchListener(java.lang.String questionID,
java.lang.String replyID,
QuestionForumManager.OnReplyFetchListener listener)
Sets a function to be called when a question is fetched
|
public QuestionForumManager(java.lang.String associatedExperimentID)
public com.google.firebase.firestore.CollectionReference getReplyForumCollection(java.lang.String questionID)
public java.lang.String getNewPostID()
public java.lang.String getNewReplyID(java.lang.String questionID)
public void createQuestion(Question newQuestion)
public void deleteQuestion(java.lang.String questionID)
questionID
- The questionID of the question to delete from the collection.public void deleteAllQuestions()
public void deleteAllReplies(java.lang.String questionID)
public void createReply(java.lang.String selectedQuestionID, Reply newReply)
public void deleteReply(java.lang.String selectedQuestionID, java.lang.String replyID)
public void setOnQuestionFetchListener(java.lang.String postID, QuestionForumManager.OnQuestionFetchListener listener)
postID
- the id of the question to fetchlistener
- the function to be called when the experiment is fetchedpublic void setOnReplyFetchListener(java.lang.String questionID, java.lang.String replyID, QuestionForumManager.OnReplyFetchListener listener)
questionID
- the id of the question to which the replies belong toreplyID
- the id of the reply to fetchlistener
- the function to be called when the experiment is fetchedpublic void setOnAllQuestionsFetchCallback(QuestionForumManager.OnManyQuestionsFetchListener listener)
listener
- the function to be called when the questions are fetchedpublic void setOnAllRepliesFetchCallback(java.lang.String questionID, QuestionForumManager.OnManyRepliesFetchListener listener)
listener
- the function to be called when the replies are fetchedpublic static void setCollectionPath(java.lang.String newPath)
newPath
- String of the new collection path.


My Name is Grace and I love fashion beucase it's another form of art. Expressing yourself as an individual person is important in society and that should never come with a huge price. The way you put an outfit together portrays the type of person you are in a way. Since I love shopping but hate spending $50 for a hoodie that is popular, I've built this company to produce good quality clothing for a resonable price as well as insuring quality.


HURRAY !!! THE DISEASE IS DETECTED
DISEASE : {{ result }}
PATHOGEN : {{ Pathogen }}
Detect the Crop Disease Again
SYMPTOMS OF AFFECTED PLANT
{{ Symptoms }}
If it Doesn't make sense with chemical explanations hit
below button for practical understanding with videos (Youtube).


| File | Statements | Branches | Functions | Lines | |||||
|---|---|---|---|---|---|---|---|---|---|
| aes.ts | 86.96% | 80/92 | 66.67% | 30/45 | 100% | 23/23 | 95.12% | 78/82 | |
| ec.ts | 87.74% | 136/155 | 71.43% | 40/56 | 100% | 34/34 | 88.97% | 129/145 | |
| hmac.ts | 88.75% | 71/80 | 64% | 16/25 | 100% | 20/20 | 92.96% | 66/71 | |
| pbkdf2.ts | 86% | 43/50 | 58.33% | 7/12 | 91.67% | 11/12 | 88.64% | 39/44 | |
| rsa.ts | 92% | 184/200 | 80% | 48/60 | 100% | 45/45 | 91.35% | 169/185 |


description:string = "Indicates if we can dismiss an alert message"
label
label:string = "Is dismissible"
type
type:string = "boolean"
text
text:object
accessor
accessor:string = "Text"
description
description:string = "Alert text or content"
label
label:string = "Text"
type
type:string = "string"
Static Anchor
Anchor:object
events
events:object
Type declaration
properties
properties:object
Type declaration
Static Area
Area:object
Area properties and events
events
events:object
Type declaration
properties
properties:object
alt
alt:object
accessor
accessor:string = "Alt"
description
description:string = "A text string alternative to display on browsers that do not display images."
label
label:string = "Alt"
type
type:string = "string"
coords
coords:object
accessor
accessor:string = "Coordonates"
description
description:string = "A set of values specifying the coordinates of the hot-spot region."
label
label:string = "Coordonates"
type
type:string = "string"
shape
shape:object
accessor
accessor:string = "Shape"
description
description:string = "The shape of the associated hot spot."
label
label:string = "Shape"
type
type:string = "string"
Static Article
Article:object
events
events:object
Type declaration
properties
properties:object
Type declaration
Static Audio
Audio:object
events
events:object
Type declaration
properties
properties:object
Type declaration
Static B
B:object
events
events:object
Type declaration
properties
properties:object
Type declaration
Static BDI
BDI:object
events
events:object
Type declaration
properties
properties:object
Type declaration
Static Common
Common:object
Common properties for all components
accesskey
accesskey:object
accessor
accessor:string = "AccessKey"
description
description:string = "Provides a hint for generating a keyboard shortcut for the current element. This attribute consists of a space-separated list of characters. The browser should use the first one that exists on the computer keyboard layout."
label
label:string = "Access key"
render
render:object[] = [{type: 'attribute',}]
type
type:string = "string"
autocapitalize
autocapitalize:object
accessor
accessor:string = "AutoCapitalize"
description
description:string = "Controls whether and how text input is automatically capitalized as it is entered/edited by the user."
label
label:string = "Auto capitalize"
render
render:object[] = [{type: 'attribute',}]
type
type:string = "enumAutoCapitalize"
class
class:object
accessor
accessor:string = "Classes"
description
description:string = "A space-separated list of the classes of the element."
description:string = "Provides a hint to browsers as to the type of virtual keyboard configuration to use when editing this element or its contents."
label
label:string = "Input mode"
render
render:object[] = [{type: 'attribute',}]
type
type:string = "enumInputMode"
is
is:object
accessor
accessor:string = "Is"
description
description:string = "Allows you to specify that a standard HTML element should behave like a registered custom built-in element"
label
label:string = "Is"
render
render:object[] = [{type: 'attribute',}]
type
type:string = "string"
itemid
itemid:object
accessor
accessor:string = "ItemId"
description
description:string = "The unique, global identifier of an item."
label
label:string = "Item Id"
render
render:object[] = [{type: 'attribute',}]
type
type:string = "string"
itemprop
itemprop:object
accessor
accessor:string = "ItemProp"
description
description:string = "Used to add properties to an item. Every HTML element may have an itemprop attribute specified, where an itemprop consists of a name and value pair."
label
label:string = "Item prop"
render
render:object[] = [{type: 'attribute',}]
type
type:string = "string"
itemref
itemref:object
accessor
accessor:string = "ItemRef"
description
description:string = "Properties that are not descendants of an element with the itemscope attribute can be associated with the item using an itemref. It provides a list of element ids (not itemids) with additional properties elsewhere in the document."
label
label:string = "Item ref"
render
render:object[] = [{type: 'attribute',}]
type
type:string = "string"
itemscope
itemscope:object
accessor
accessor:string = "ItemScope"
attributeValue
attributeValue:boolean = false
description
description:string = "itemscope (usually) works along with itemtype to specify that the HTML contained in a block is about a particular item. itemscope creates the Item and defines the scope of the itemtype associated with it. itemtype is a valid URL of a vocabulary"
label
label:string = "Item scope"
render
render:object[] = [{type: 'attribute',}]
type
type:string = "boolean"
itemtype
itemtype:object
accessor
accessor:string = "ItemType"
description
description:string = "Specifies the URL of the vocabulary that will be used to define itemprops"
label
label:string = "Item type"
render
render:object[] = [{type: 'attribute',}]
type
type:string = "string"
lang
lang:object
accessor
accessor:string = "Lang"
description
description:string = "Helps define the language of an element: the language that non-editable elements are in, or the language that editable elements should be written in by the user."
label
label:string = "Language"
render
render:object[] = [{type: 'attribute',}]
type
type:string = "string"
name
name:object
accessor
accessor:string = "Name"
description
description:string = "Defines a name for the element."
label
label:string = "Name"
render
render:object[] = [{type: 'attribute',}]
type
type:string = "string"
slot
slot:object
accessor
accessor:string = "Slot"
description
description:string = "Assigns a slot in a shadow DOM shadow tree to an element: An element with a slot attribute is assigned to the slot created by the slot element whose name attribute's value matches that slot attribute's value."
label
label:string = "Slot"
render
render:object[] = [{type: 'attribute',}]
type
type:string = "string"
spellcheck
spellcheck:object
accessor
accessor:string = "Spellcheck"
description
description:string = "An enumerated attribute defines whether the element may be checked for spelling errors."
label
label:string = "Spellcheck"
render
render:object[] = [{type: 'attribute',}]
type
type:string = "boolean"
style
style:object
accessor
accessor:string = "Style"
description
description:string = "Contains CSS styling declarations to be applied to the element. "
description:string = "An integer attribute indicating if the element can take input focus (is focusable), if it should participate to sequential keyboard navigation, and if so, at what position."
label
label:string = "Tab Index"
render
render:object[] = [{type: 'attribute',}]
type
type:string = "number"
title
title:object
accessor
accessor:string = "Title"
description
description:string = "Contains a text representing advisory information related to the element it belongs to."
label
label:string = "Title"
render
render:object[] = [{type: 'attribute',}]
type
type:string = "string"
translate
translate:object
accessor
accessor:string = "Translate"
description
description:string = "An enumerated attribute that is used to specify whether an element's attribute values and the values of its Text node children are to be translated when the page is localized"
label
label:string = "Translate"
render
render:object[] = [{type: 'attribute',}]
type
type:string = "enumTranslate"
Static CommonEvents
CommonEvents:object
Common events
onabort
onabort:object
accessor
accessor:string = "onAbort"
description
description:string = "The onabort property of the GlobalEventHandlers mixin is the EventHandler for processing abort events sent to the window."
Abbr custom properties and events
https://developer.mozilla.org/en-US/docs/Web/HTML/Element/abbr


Work |
XPengGuangzhou, China
Software Engineer - Ingestion teamJun 2021 - present
GrabSingapore
Software Engineer - traffic teamJun 2019 - Jun 2021
TencentShenzhen, China
Software Engineer - platform teamMay 2018 - Jun 2019
JD.comBeijing, China
Software Engineer - ads quality teamJul 2015 - Apr 2018
|
Ancient History |
Sun Yat-sen UniversityGuangzhou, China
Wuhan University of TechnologyWuhan, China
Bachelor of Engineering | Computer Vision | GPA 4.8/5.0Sep 2008 - Jun 2012
JD.comBeijing, China
Software Engineer Intern, ads quality teamMay 2015 - Jun 2015
MeituXiamen, China
Software Engineer Intern, machine learning teamDec 2014 - Jan 2015
China Telecom AcademyGuangzhou, China
Software Engineer Intern, incubation teamJul 2014 - Aug 2014
|
Publishing |
ScholarMethod for 3D gray-to-gray crosstalk uniformity measurement with high perceptual relevance
A straightforward method to assess motion blur for different types of displays
Precise evaluation of LCD gray-to-gray response time based on a reference pattern synchronous measurement using high speed charge-coupled device cameraPatentsPicture processing method and device
A kind of method and apparatus for assessing disaggregated model
A kind of fuzzy method of direct measurement display motion based on motion square width
A kind of liquid crystal display response time measuring method based on reference brightness
|


Want to use Page Ruler in your own language? Visit the GitHub project page and follow the instructions on how to submit a translation.


| xgb.ggplot.deepness {xgboost} | R Documentation |
Visualizes distributions related to depth of tree leafs.
xgb.plot.deepness
uses base R graphics, while xgb.ggplot.deepness
uses the ggplot backend.
xgb.ggplot.deepness(model = NULL, which = c("2x1", "max.depth", "med.depth", "med.weight")) xgb.plot.deepness(model = NULL, which = c("2x1", "max.depth", "med.depth", "med.weight"), plot = TRUE, ...)
model |
either an |
which |
which distribution to plot (see details). |
plot |
(base R barplot) whether a barplot should be produced. If FALSE, only a data.table is returned. |
... |
other parameters passed to |
When which="2x1"
, two distributions with respect to the leaf depth
are plotted on top of each other:
the distribution of the number of leafs in a tree model at a certain depth;
the distribution of average weighted number of observations ("cover") ending up in leafs at certain depth.
Those could be helpful in determining sensible ranges of the max_depth
and min_child_weight
parameters.
When which="max.depth"
or which="med.depth"
, plots of either maximum or median depth
per tree with respect to tree number are created. And which="med.weight"
allows to see how
a tree's median absolute leaf weight changes through the iterations.
This function was inspired by the blog post https://github.com/aysent/random-forest-leaf-visualization.
Other than producing plots (when plot=TRUE
), the xgb.plot.deepness
function
silently returns a processed data.table where each row corresponds to a terminal leaf in a tree model,
and contains information about leaf's depth, cover, and weight (which is used in calculating predictions).
The xgb.ggplot.deepness
silently returns either a list of two ggplot graphs when which="2x1"
or a single ggplot graph for the other which
options.
data(agaricus.train, package='xgboost') # Change max_depth to a higher number to get a more significant result bst <- xgboost(data = agaricus.train$data, label = agaricus.train$label, max_depth = 6, eta = 0.1, nthread = 2, nrounds = 50, objective = "binary:logistic", subsample = 0.5, min_child_weight = 2) xgb.plot.deepness(bst) xgb.ggplot.deepness(bst) xgb.plot.deepness(bst, which='max.depth', pch=16, col=rgb(0,0,1,0.3), cex=2) xgb.plot.deepness(bst, which='med.weight', pch=16, col=rgb(0,0,1,0.3), cex=2)


Before Change
def test_maybe_launch(self, mock_setup_services):
self.mock_pantsd.is_alive.return_value = False
self.launcher.maybe_launch()
self.assertGreater(mock_setup_services.call_count, 0)
self.assertGreater(self.mock_pantsd.is_alive.call_count, 0)
self.assertGreater(self.mock_pantsd.daemonize.call_count, 0)
After Change
self.mock_pantsd.is_alive.return_value = False
with self.pants_daemon_launcher() as pdl:
pdl.maybe_launch()
self.assertGreater(mock_setup_services.call_count, 0)
self.assertGreater(self.mock_pantsd.is_alive.call_count, 0)
self.assertGreater(self.mock_pantsd.daemonize.call_count, 0)


identity_data_processor module¶
-
class
identity_data_processor.
CharDataProcessor
(end_of_sequence_token=None, numeric_token=None, vocabulary=None)[source]¶ Bases:
object
Defines the base set of functionality to process a data set into characters.
-
class
identity_data_processor.
IdentityDataProcessor
(vocabulary=None, train_batch_size=None, eval_batch_size=None, sequence_length=None, use_cuda=False)[source]¶ Bases:
identity_data_processor.CharDataProcessor
Defines the identity data processor.
-
items_from_string
(string)[source]¶ Processes an input string.
Parameters: string ( str
) – The string to process.Returns: The list of lists of items. Return type: list
ofstr
-
normalize_sentence
(sentence)[source]¶ Parses a sentence and normalizes it.
Parameters: sentence ( str
) – The sentence to normalize.Returns: The normalized sentence. Return type: str
-
normalize_string
(string)[source]¶ Parses a string and normalizes it.
Parameters: string ( str
) – The string to normalize.Returns: The list of normalized sentences. Return type: list
ofstr
-
process_corpus
(corpus)[source]¶ Processes a corpus and its data as items.
Parameters: corpus ( Corpus
) – The corpus to process.Returns: The updated corpus with processed train, validation and test data. Return type: Corpus
-
process_overfit_corpus
(corpus)[source]¶ Preprocesses a corpus for overfitting by joining the data sets into a single set used as train, validation and test data.
Parameters: corpus ( Corpus
) – The corpus to process.Returns: The updated corpus with processed train, validation and test data. Return type: Corpus
-


/*
* ====================================================================
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*
*/ /*...*/ |
||
| 27 | package org.apache.http.client.cache; |
|
|
||
/**
* @since 4.3
*/ /*...*/ |
||
| 37 | @NotThreadSafe |
|
| 38 | public class HttpCacheContext extends HttpClientContext { |
|
/**
* This is the name under which the {@link CacheResponseStatus} of a request
* (for example, whether it resulted in a cache hit) will be recorded if an
* {@link HttpContext} is provided during execution.
*/ /*...*/ |
||
| 45 | public static final String CACHE_RESPONSE_STATUS = "http.cache.response.status"; |
|
| 47 | public static HttpCacheContext adapt(final HttpContext context) { |
|
| 48 | 0 | if (context instanceof HttpCacheContext) {
|
| 49 | 0 | return (HttpCacheContext) context; |
| 50 | } else { |
|
| 51 | 0 | return new HttpCacheContext(context); |
| 52 | } |
|
| 53 | } |
|
| 55 | public static HttpCacheContext create() { |
|
| 56 | 635 | return new HttpCacheContext(new BasicHttpContext()); |
| 57 | } |
|
| 59 | public HttpCacheContext(final HttpContext context) { |
|
| 60 | 635 | super(context); |
| 61 | 635 | } |
| 63 | public HttpCacheContext() { |
|
| 64 | 0 | super(); |
| 65 | 0 | } |
| 67 | public CacheResponseStatus getCacheResponseStatus() { |
|
| 68 | 7 | return getAttribute(CACHE_RESPONSE_STATUS, CacheResponseStatus.class); |
| 69 | } |
|
| 71 | } |


The Crayfisherman's Game
Yay! Text goes here.
New Game
Load Game
Dismiss
Assets
Money
Boats
Pots
Distribution


{% extends "base.html" %} {% load compress humanize staticfiles hc_extras %} {% block title %}Add Pushover - healthchecks.io{% endblock %} {% block content %}
Pushover is a service to receive instant push notifications on your phone or tablet from a variety of sources. If you bought the app on your mobile device, you can integrate it with your healthchecks.io account in a few simple steps.


Custom evaluation functions:
Rules.addSuggestion(string); // add 'string' to the suggestions.
Rules.addRuleSuggestion(rule_id); // add the suggestion from rule named 'rule_id'
Rules.check(rule_id); // check 'rule_id' without feedback. (true|false)
Rules.run(rule_id); // run 'rule_id' rule, adding feedback.
Rules.runAll(); // run all the rules, adding feedback.
Rules.hasTransformation(); // true if the diagram has transformations
Rules.iconsUsedOnce(); // true if the icons were only used one time.
Rules.extraLinks(rules); // true if there are links present not defined in 'rules'.
Rules.extraLinks(); // true if there are links present not defined in any rule.
// sample use:
if (Rules.extraLinks()) {w
Rules.addSuggestion("You have some extra links!");
}
if (!Rules.iconsUsedOnce()) {
Rules.addSuggestion("You can only use each icon once.");
}
if (!Rules.hasTransformation()) {
Rules.addSuggestion("How is energy transformed?");
}
// Expert only:
Rules.find(rule_id); // find a rule with a specific name.
rules; // [] all the rules.
nodes; // [] all of the nodes.
suggestions; // [] the suggestion list.
JS Rule functions:
Rules.check(rule_id); // check 'rule_id' without feedback. (true|false)
Rules.hasNode('name'); // returns true if there is a node named 'name'
result = false; // fail this rule.
Rules.hasTransformation(); // true if the diagram has transformations
Rules.iconsUsedOnce(); // true if the icons were only used one time.
Rules.extraLinks(); // true if there are links present not defined in any rule.
// sample use:
if (Rules.hasNode('good node') { result = true; }
else { result = false; } // result is false by default, so this is redundant.


--- layout: page title: Cresspresso permalink: / tabtitle: Cresspresso icon: 'green-fern-cresspresso.svg' tabicon: 'green-fern-cresspresso-32.png' subgroup: true parent: Cresspresso parentorder: 0 group: Cresspresso order: 0 hide: true description: Music, Gaming Videos and Video Games, for your entertainment. keywords: music, remix, cover, game, gaming, gaming video, gaming videos, gamer, video game, video games, entertainment --- {% include posts.html %}
This website is still under development, so think of this as a behind the scenes experience.


Disciplines and Domains
- Some of the labs requires the users to install the Pre-requisites. Click here to view Pre-requisites
- In order to derive maximum learning experience, the users are advised to first read the instructions for conductiong the labs. There are' step-by-step' instructuins available in each lab to assist the users.
- Some of the labs require the users to log in first. Eventually, there will be a common login for labs.
- Related NPTEL lectures are also available on the link given below.
- *Sign in required
*Metal Forming Virtual Simulation Lab
This lab is to understand the various fundamental metal forming processes and to recognise the effect of various process parameters with the help of computer numerical simulations.
DAYALBAGH
Reference Books
1 - Manufacturing Science by Ghosh and Mallik
2 - Production Engg. Science by P.C. Pandey
Syllabus Mapping
KUK, MDU, RTU, UPTU, IPU (UG)s
In this lab, we will do virtual experiments to understand Newton's laws of motion. We will start with a simple pendulum, and from then on, the experiments get more interesting.
COE PUNE
Reference Books
1 - Industrial Noise Control and Acoustics by Randall F. Barron
Syllabus Mapping
KUK, MDU, RTU, UPTU, IPU (UG)
This labs helps us to study pulsed-heating of materials, erosion mechanism from Lazarenko's model, various thermal models for EDM and to study the effect of process parameters in electrochemical grinding.
COE PUNE
Reference Books
1 - Crafer R. C. and Oakley P. J., (1993) Laser Processing In Manufacturing, 1st edition, Chapman and Hall, pp. 145-146.
2 - Steen W. M., (1991) Laser material processing, Springer - Verlag Landon ISBN, pp. 113-116.
Syllabus Mapping
KUK, MDU, RTU, UPTU, IPU (UG)
Fab Laboratory is to understand about 3D machining, 3D scanning, Computer Controlled Cutting of wooden object, PCB design & fabrication etc., .
COE PUNE
Reference Books
1 - Fab by Neil Gershenfeld
Syllabus Mapping
KUK, MDU, RTU, UPTU, IPU (UG)
This lab describes about the various position analysis and velocity analysis of Grashof four bar mechanism, Slider crank mechanism, Scotch Yoke Mechanism, Elliptical Trammel.
NITK Surathkal
Reference Books
No books in records
Syllabus Mapping
No syllabus in records
*Machine Dynamics and Mechanical Vibrations
This lab decribes the free vibration of cantilever beam: simply supported beam fixed beam: and Forced vibration of SDOF system, 2DOF Forced vibration, Dynamic Vibration Absorber.
NITK Surathkal
Reference Books
No books in records
Syllabus Mapping
No syllabus in records
*Mechanical Vibration
A virtual laboratory is a tool for distance learning and/or experimentation that allows people to share knowledge, data, voice, video, tools, and many other resources. It provides a suitable environment to extend, improve, integrate, refine, and assist the learning and/or experimentation process of many subjects, thus contributing to an increase of the effectiveness of scientific research and widening the use of scarce or costly equipments.
IIT GUWAHATI
Reference Books
No books in records
Syllabus Mapping
No syllabus in records
*Mechanical Vibration
A virtual laboratory is a tool for distance learning and/or experimentation that allows people to share knowledge, data, voice, video, tools, and many other resources. It provides a suitable environment to extend, improve, integrate, refine, and assist the learning and/or experimentation process of many subjects, thus contributing to an increase of the effectiveness of scientific research and widening the use of scarce or costly equipments.
IIT KANPUR
Reference Books
No books in records
Syllabus Mapping
No syllabus in records
*Virtual Combustion and Atomization Laboratory
This lab defines the various types of fuels like liquid, solid and gaseous fuels are available for firing in boilers, furnaces and other combustion equipments
IIT KANPUR
Reference Books
No books in records
Syllabus Mapping
No syllabus in records
*Mechanical Laboratory Experience in Fluid and Thermal Sciences
Welcome to Virtual Laboratory Experience in Fluid and Thermal Sciences lab. This site hosts only the simulations of the lab.
IIT GUWAHATI
Reference Books
No books in records
Syllabus Mapping
No syllabus in records
*Material Response to Microstructural, Mechanical, Thermal and Biological Stimuli
Virtual lab is created for understanding the material response (microstructure)when any thermal or mechanical stimuli is provided to it. In addition ionic conductivity dependence on the composition of material is explained here with.
IIT KANPUR
Reference Books
No books in records
Syllabus Mapping
KUK, MDU, RTU, UPTU, IPU (UG)


Materialize CSS Demo
Materialize VS Bootstrap
Basic
Navigation
Forms
Grids
All Examples
FORMS
Name
Email
Password
Textarea
Select a color(s)
Red
Green
Select a color
Red
Yellow
Green


| Interface | Description |
|---|---|
| Dimension.Model |
This interface represents the mapping between
base units and dimensions . |
| Class | Description |
|---|---|
| AlternateUnit<Q extends Quantity> |
This class represents the units used in expressions to distinguish between quantities of a different nature but of
the same dimensions.
|
| BaseUnit<Q extends Quantity> |
This class represents the building blocks on top of which all others units are created.
|
| CompoundUnit<Q extends Quantity> |
This class represents the multi-radix units (such as "hour:min:sec").
|
| DerivedUnit<Q extends Quantity> |
This class identifies the units created by combining or transforming other units.
|
| Dimension |
This class represents the dimension of an unit.
|
| NonSI |
This class contains units that are not part of the International System of Units, that is, they are outside the SI,
but are important and widely used.
|
| ProductUnit<Q extends Quantity> |
This class represents units formed by the product of rational powers of existing units.
|
| SI |
This class contains SI (Système International d'Unités) base units, and derived units.
|
| SystemOfUnits |
This class represents a system of units, it groups units together for historical or cultural reasons.
|
| TransformedUnit<Q extends Quantity> |
This class represents the units derived from other units using
converters . |
| Unit<Q extends Quantity> |
This class represents a determinate
quantity (as of length, time, heat, or
value) adopted as a standard of measurement. |
| UnitFormat |
This class provides the interface for formatting and parsing
units . |
| UnitFormat.ASCIIFormat |
This class represents the ASCIIFormat format.
|
| UnitFormat.DefaultFormat |
This class represents the standard format.
|
Provides support for programatic unit handling.
SI
class (Système International d'Unités) and
about 50 non-standard units are available through the
NonSI
class.
Quantity
>) to
enforce compile-time checks of units/measures consistency, for example:[code]
Unit


Intentional Money
Description: I created a budgeting app to let users create a monthly budget, track accounts and add and manage transactions. I built the app from concept to execution, including the UI with a strong focus on visual interest and usability.
Technologies:React, Javascript, Firebase NoSQL database and authentication


---
1.6.0
- add auto replace in comment area config (default config will not be replaced in comment).
(settings - Tools - CharAutoReplace).
1.5.0
- add show replaced hint config (settings - Tools - CharAutoReplace).
1.4.0
- Added judgment on the end of comment line.
- remove txt|markdown file support
1.3.1
- Fix problems in DataGrid that cannot be automatically replaced.
1.3.0
1.0.0
- hello char auto replacement plugin!


Learn table (4 + 1 to 4 + 99) and then click Print to see the results
Click the button to demonstrate the prompt box. Read the box and do what it say
Please fill this form and click on the Submit button


Preparation time
30 mins to 1 hour
Cooking time
10 to 30 mins
Serves
Serves 4
Pat the fish or fish fillets dry with kitchen paper.
Rub with the salt on both sides, and let them sit for 30 minutes. (This helps the fish to firm up and draws out any excess moisture.)
Set up a steamer or put a rack into a wok or deep pan and fill it with 5cm/2in of water. Bring the water to the boil over a high heat.
Put the fish on a heatproof plate and scatter the ginger evenly over the top. Put the plate of fish into the steamer or on to the rack. Cover the pan tightly and gently steam the fish until it is just cooked. (Flat fish will take about five minutes to cook. Thicker fish or fillets will take 12-14 minutes.)
Remove the plate of cooked fish and sprinkle on the spring onions and light and dark soy sauces.
Heat the groundnut and sesame oils together in a small saucepan.
When they are hot, add the garlic slices and brown them.
Pour the garlic-oil mixture over the top of the fish and serve at once.
For the stir-fried rice noodles with vegetables, soak the rice noodles in a bowl of warm water for 25 minutes. Then drain them in a colander or sieve.
Trim the bean sprouts at both ends. Finely shred the chillies and the water chestnuts.
Heat a wok or large frying pan until it is very hot. Add the oil and when it is very hot and slightly smoking, add the garlic, ginger and spring onions and stir-fry for 15 seconds.
Then add the bean sprouts, shredded chillies and shredded water chestnuts and stir-fry for about one minute.
Add the rest of the ingredients and the drained noodles and stir fry for about three minutes until it is well mixed and heated through.
Serve at once.


Creates an instance of FilterConditions.
Host pointer for communication with host.
Add conditions to the filter Note: This is in development, only properly works for columns and basic filters. Example: Column = Categories (e.g. Age Ranges) Operator = 'In' Value = Value of category for comparison (multiple calls will add additional categories)
Column/Measure in data containing values for use in filter
Operator for comparions (in, gt.eq, etc...)
Value against used in condition for comparison.
Applies the filter to the visual/ report
Build an Advanced filter from conditions in the condition list TODO: needs development and test
Build a Basic Filter from conditions in the condition list
Build an Include Exclude Filter from conditions in the condition list TODO: needs development and test
Removes a condition from the list of conditions in the filter
Reset the conditions list
Generated using TypeDoc
Helper class to create selection filters and apply them to all visuals in a report.
FilterConditions


The mode of Overloading :typed or non-typed.true
for typed , false
for non-typed
an array containing the overloads.
the overloaded function
types
), and the second is for the function itself.xTyped
or xNonTyped
.var Add = Function.create(xNonTyped , [ function(a,b){return a + b;}, function(a,b,c){return a + b + c;} ]);
the constructor function of the type (either native or custom)
the type list object to be passed to Function.create
xSelf
to point to the class being created.var Add = Function.create(xTyped , [ types(Number,Number), function(a,b) { return a + b} ]);
the custom constructor function to be stamped for recognition
var Complex = function(re , img) { this.re = re; this.img = img;} classing.xStamp(Complex); var Add = Function.create(xTyped , [ types(Complex,Complex),function(Z,W){ return new Complex(Z.re + W.re,Z.img + W.img); } ]);
The defintion of the class
the created class
defintion
object are one, two or all of the following: private,protected and public(which are the access modifiers).var Person = classing.Class({ public : { name : "John Doe"} });
the component to be marked static.
an object wrapping the component and marked with an isStatic
property.
var Person = Class({ public: { counter : Static(0), Construct: function(){Person.counter++;} } })
The function to be marked as final
The marked function
var Visitor = Class({ private : { id : null}, public: { Construct : function() { this.id = Date.now();}, getId : Final(function(){return this.id;}) } })
var Infertile = classing.Final.Class({ public : {name : null} })
The function to be marked abstract.
The marked function.
method
must be empty. if it's an overloaded function, all the instances must have empty bodies.var Child = classing.Abstract.Class({ public: { Play : Abstract(function(){}) } });
Abstract
function. var Shape = classing.Abstract.Class({ public : { Area : Abstract(function(){})} });
The parent class
base
keyword.var Child = classing.Class.Extends(Parent)({ public : { newFunc : function(){ return "function of child"; } } });
The defintion of the interface.
The Object represinting the interface
defintion
object is a function with empty body. if it's an overloaded function, all the instances must have empty bodies.var IPayable = classing.Interface({ getPaid : function() })
an interface to be implemented.
Class.Extends(...).Implements(...)
var Employee = classing.Class.Implements(IPayable)({ public: {getPaid : function(){return "$5000.00"}} })
The Class or Interface to check if the object is instance of it.
true of the object is instance of ancstor. false otherwise.
Object
(which is exaclty every object you make) will have the instanceOf
method.var IVoid = classing.Interface({ func : function(){} }); var Parent = classing.Class({}); var Child = classing.Class.Extends(Parent).Implements(IVoid)({ public : { func : function(){return "void";} } }); var obj = new Child(); obj.instanceOf(Child); //true obj.instanceOf(Parent); //true obj.instanceOf(IVoid); //true; obj.instanceOf(Object); //true;


@(newOrderBy: Int, title: String, currentFilter: String, currentOrderBy: Int, call: (Int, Int, String) => Call) @** Helper generating table headers to reorder the table by a field @param newOrderBy new ordering for results @param title the title to display in the header @param currentFilter current filter being applied to the resultset @param currentOrderBy current order being applied to the resultset @param call the 'list' method of a Controller that we will call to load the page. Method: (page: Int, orderBy: Int, filter: String) => Call *@


Located in the Miami Valley of Ohio, providing studio work for customers across the nation.
Put your story here. Needs enough text to balance the slider on the left. I'm trying to add the pictures here.
Leave empty
Leave empty
Leave empty
Leave empty
Leave empty
Leave empty


This simple demo synchronizes to localStorage for each responsive breakpoint.
Try moving and resizing elements, changing window width, moving some more, and refreshing.
Each breakpoint has a separate layout. The onLayoutChange
callback calls back with a hash of breakpoints to layouts, which is then synchronized to localStorage.


ANGLE
This slider changes the first and last angles of the motif. Any other angles will sort themselves out to be symmetrical.
SKEW
Skew the motif asymmetrically.
DEPTH
Set the number of times each line is substituted for the motif.
SEGMENTS
Segment the motif into more or fewer pieces of equal length.
BASE
Change the base shape the fractal is drawn on. Each side of the polygon will be drawn as one copy of the fractal curve.
ARMS
Add lines that stick out from the motif's corners.
MIRROR
Mirror the motif at every level of the fractal.