Ultrafast quantum simulations: A new twist to an old approach
| Source: | University of Warwick |
| Summary: | Billions of tiny interactions occur between thousands of particles in every piece of matter in the blink of an eye. Simulating these interactions in their full dynamics was said to be elusive but has now been made possible. |
Billions of tiny interactions occur between thousands of particles in every piece of matter in the blink of an eye. Simulating these interactions in their full dynamics was said to be elusive but has now been made possible by new work of researchers from Oxford and Warwick.
In doing so, they have paved the way for new insights into the complex mutual interactions between the particles in extreme environments such as at the heart of large planets or laser nuclear fusion.
Researchers at the University of Warwick and University of Oxford have developed a new way to simulate quantum systems of many particles, that allows for the investigation of the dynamic properties of quantum systems fully coupled to slowly moving ions.
Effectively, they have made the simulation of the quantum electrons so fast that it could run extremely long without restrictions and the effect of their motion on the movement of the slow ions would be visible.
Reported in the journal Science Advances, it is based on a long-known alternative formulation of quantum mechanics (Bohm dynamics) which the scientists have now empowered to allow to study the dynamics of large quantum systems.
Many quantum phenomena have been studied for single or just a few interacting particles as large complex quantum systems overpower scientists' theoretical and computational capabilities to make predictions. This is complicated by the vast difference in timescale the different particle species act on: ions evolve thousands of times more slowly than electrons due to their larger mass. To overcome this problem, most methods involve decoupling electrons and ions and ignoring the dynamics of their interactions — but this severely limits our knowledge on quantum dynamics.
To develop a method that allows scientists to account for the full electron-ion interactions, the researchers revived an old alternative formulation of quantum mechanics developed by David Bohm. In quantum mechanics, one needs to know the wave function of a particle. It turns out that describing it by the mean trajectory and a phase, as done by Bohm, is very advantageous. However, it took an additional suit of approximations and many tests to speed up the calculations as dramatic as required. Indeed, the new methods demonstrated an increase of speed by more than a factor of 10,000 (four orders of magnitude) yet is still consistent with previous calculations for static properties of quantum systems.
The new approach was then applied to a simulation of warm dense matter, a state between solids and hot plasmas, that is known for its inherent coupling of all particle types and the need for a quantum description. In such systems, both the electrons and the ions can have excitations in the form of waves and both waves will influence each other. Here, the new approach can show its strength and determined the influence of the quantum electrons on the waves of the classical ions while the static properties were proven to agree with previous data.
Many-body quantum systems are the core of many scientific problem ranging from the complex biochemistry in our bodies to the behaviour of matter inside of large planets or even technological challenges like high-temperature superconductivity or fusion energy which demonstrates the possible range of applications of the new approach.
Prof Gianluca Gregori (Oxford), who led the investigation, said: "Bohm quantum mechanics has often been treated with skepticism and controversy. In its original formulation, however, this is just a different reformulation of quantum mechanics. The advantage in employing this formalism is that different approximations become simpler to implement and this can increase the speed and accuracy of simulations involving many-body systems."
Dr Dirk Gericke from the University of Warwick, who assisted the design of the new computer code, said: "With this huge increase of numerical efficiency, it is now possible to follow the full dynamics of fully interacting electron-ion systems. This new approach thus opens new classes of problems for efficient solutions, in particular, where either the system is evolving or where the quantum dynamics of the electrons has a significant effect on the heavier ions or the entire system.
"This new numerical tool will be a great asset when designing and interpreting experiments on warm dense matter. From its results, and especially when combined with designated experiments, we can learn much about matter in large planets and for laser fusion research. However, I believe its true strength lies in its universality and possible applications in quantum chemistry or strongly driven solids."
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Note: Content may be edited for style and length.
Journal Reference:
- B. Larder, D. O. Gericke, S. Richardson, P. Mabey, T. G. White, G. Gregori. Fast nonadiabatic dynamics of many-body quantum systems. Science Advances, 2019; 5 (11): eaaw1634 DOI: 10.1126/sciadv.aaw1634
Cite This Page:
| MLA | University of Warwick. "Ultrafast quantum simulations: A new twist to an old approach." ScienceDaily. ScienceDaily, 25 November 2019. <www.sciencedaily.com/releases/2019/11/191125120951.htm>. |
| APA | University of Warwick. (2019, November 25). Ultrafast quantum simulations: A new twist to an old approach. ScienceDaily. Retrieved November 25, 2019 from www.sciencedaily.com/releases/2019/11/191125120951.htm |
| Chicago | University of Warwick. "Ultrafast quantum simulations: A new twist to an old approach." ScienceDaily. www.sciencedaily.com/releases/2019/11/191125120951.htm (accessed November 25, 2019). |


⇩ About ME ⇩
HTML
HTML was my first language. Even before english...
Java
I love java! I am well versed in java.
CSS
I know a bit of CSS, I'm trying to figure out how to SASS.
Javascript(jQuery/jQueryMobile/Angular)
I am well versed in jQuery, jQuery Mobile, and AngularJS javascript frameworks!
Robotics
I love all things robotics! I am on team 5205 SyBorgs and compete in the First© Tech Challenge (FTC).
Android Programming
I am well versed in Java and I'm an average android programmer.
iOS Programming (Almost)
I'm learning objective-C! I don't have a Mac so it's a bit tough.
Rails (Almost)
I'm learning Rails as you read this!


If you have had it with codebases that drag along everything and the kitchen sink, (possibly using the Singleton) you must read this page. Classes that look up or instantiate heavyweight classes themselves are such beasts. As you might have experienced, they are a pain to test. (And ample proof that the authors didn't follow TDD ). Dependency Injection with PicoContainer and Mock Objects to the rescue!
Mock Objects are special objects used during testing. Mock Objects and classes that honour Constructor Injection are a perfect match, since such classes can be handed mocks during testing and "the real thing" when the application is run.
This illustration shows how:
| Unit-Test Time | Deployment Time |
Here is what NeedsStuff might look like:
public class NeedsStuff { // These are both interfaces. private final BlueStuff bs; private final GreenStuff gs; public NeedsStuff(BlueStuff bs, GreenStuff gs) { this.bs = bs; this.gs = gs; } public String doIt() { return bs.jump() + gs.beatIt(); } }
During test time we'll give NeedsStuff some mocks.
During prime time (when the final application is running), the NeedsStuff class will be instantiated with a SuperHeavyBlueStuff and a NuclearGreenStuff instance. These require some really heavy infrastructure such as database connections and network access. We don't want to drag along that when we test NeedsStuff! (It can wait till the integration test).
Our test becomes like this:
public class NeedsStuffTestCase extends junit.framework.TestCase { public void testNeedsStuffDoesStuff() { BlueStuff bs = createBlueStuffMockThatReturnsBlahOnJump(); GreenStuff gs = createGreanStuffMockThatReturnsHuhOnBeatIt(); NeedsStuff ns = new NeedsStuff(bs, gs); assertEquals("BlahHuh", ns.doIt()); // verify mocks. } }
We are testing the doIt() method without having to drag along any heavy dependencies
We won't go into further technical details about mocks, as there are many libraries to choose from. Check out JMock and EasyMock, or read about the ideas at MockObjects
It is left to PicoContainer to instantiate NeedsStuff. In order for it to succeed, we must also configure the container with some real BlueStuff and GreanStuff:
public class AppBootstrapper { public void runapp() { pico = new DefaultPicoContainer(); pico.addComponent(NeedsStuff.class); pico.addComponent(SuperHeavyBlueStuff.class); pico.addComponent(NuclearGreenStuff.class); } }
It is even possible to do this component wiring using a soft scripting language. See PicoContainer Script


A table showing temporal cohort characteristics (covariates). These characteristics are captured at specific time intervals before or after cohort start date. There is a Pretty and a Raw version of this table.
The Pretty table includes a pre-selected subset of covariates manually selected to provide a general overview of the comorbidities and medications of the cohort. These are all binary covariates, and the table shows the proportion (%) of the cohort entries having the covariate.
The Raw table shows all captured covariates. These include binary and continuous covariates (e.g. the Charlson comorbidity index). For each covariate the table lists the mean, which for binary covariates is equal to the proportion, and the standard deviation (SD).
You can select multiple databases in the side bar to see temporal cohort characteristics from different databases side-by-side in the same table.
Select the cohort to explore in the side bar.
Select either the Pretty or the Raw table at the top of the table.


{% include "searchpage/metadata.html" %}
{% include "searchpage/navigation.html" %} {% include "searchpage/body.html" %}


An All-in-One DAG Toolkit
HTR has kindly translated this post to Russian.
I’d like to tell you about an algorithm that I’m frankly annoyed I didn’t discover earlier.
The algorithm is Tarjan’s Strongly Connected Components (or SCCs) algorithm, and as the name suggests, it decomposes a directed graph into its strongly connected components. A directed graph is one where the edges have a direction associated with them, and a strongly connected component of a graph is a subgraph where each node can be reached from every other node, i.e. there’s a directed cycle somewhere in this subgraph.
So why does this matter? I don’t recall ever having the desire to deeply know the SCCs of a particular graph.
Let’s look at a different problem. Given a directed graph, how do we know if it is acyclic? The context here is that I was wondering how difficult it would be literally draw a Git commit history as a graph and render that to a repo. Git commits form a directed acyclic graph (DAG), which is a directed graph without cycles, and I wanted to validate a user-drawn graph as well as process it.
Consulting the oracle yielded the concept of a topological sort, which is where vertices are ordered such that for all vertices u and v, if there is an edge from u to v, u appears earlier than v in the sorted output. The directed edges for a Git commit graph are in the opposite direction from what we want though, because they point from children to parents. What we really want is a reverse topological sort. It would also be nice if I could somehow highlight the subgraphs of an invalid graph that are responsible for it being invalid.
This is where we come back to the SCCs of a graph. If there are any SCCs of more than one vertex, the graph is not a DAG and those SCCs are the cause of this. Collapsing the SCCs of a directed graph to a single vertex always leads to a DAG and this is known as the condensation of a directed graph, which I think is a nice way to visualise the relationship between SCCs and DAGs.
Alright, so we do actually want to know the SCCs of this graph, but first we want to try to sort it topologically and reverse that order if that is possible, otherwise we calculate the SCCs and identify the offending ones. This seems a bit messy for graph properties that seem somewhat related. How cool would it be if there were an algorithm that could calculate the SCCs and a reverse topological sort for us at the same time?
It turns out that Tarjan’s SCCs algorithm does exactly that! You’d think that its performance might not be great because it does two things at once, but it is linear in the number of edges and vertices, and has better constant factors than Kosaraju’s algorithm, which only computes SCCs. Here it is as pseudocode:
algorithm tarjan is
input: graph G = (V, E)
output: set of strongly connected components (sets of vertices)
index := 0
S := empty array
for each v in V do
if (v.index is undefined) then
strongconnect(v)
end if
end for
function strongconnect(v)
// Set the depth index for v to the smallest unused index
v.index := index
v.lowlink := index
index := index + 1
S.push(v)
v.onStack := true
// Consider successors of v
for each (v, w) in E do
if (w.index is undefined) then
// Successor w has not yet been visited; recurse on it
strongconnect(w)
v.lowlink := min(v.lowlink, w.lowlink)
else if (w.onStack) then
// Successor w is in stack S and hence in the current SCC
// Note: The next line may look odd - but is correct.
// It says w.index not w.lowlink; that is deliberate and from the original paper
v.lowlink := min(v.lowlink, w.index)
end if
end for
// If v is a root node, pop the stack and generate an SCC
if (v.lowlink = v.index) then
start a new strongly connected component
repeat
w := S.pop()
w.onStack := false
add w to current strongly connected component
while (w != v)
output the current strongly connected component
end if end function
The algorithm does a depth-first search, keeping track of two properties for each vertex: when it was encountered (the index) and the lowest index of any vertex reachable from this vertex (the lowlink). It pushes vertices on to a stack as it goes and outputs a strongly connected component when it finds a completely processed vertex whose index and lowlink are the same.
As presented it is very imperative and I like Haskell, but fortunately imperative Haskell is pretty straightforward and I have an implementation here.
This seems like an incredibly niche use case, but validating and processing DAGs in this way happens surprisingly frequently. Consider a build process where inputs and outputs are nodes and their relationships are directed edges. The presence of an SCC with more than one vertex indicates a cyclic dependency, and dependencies need to be built before the nodes that depend on them, which implies a reverse topological sort. This generalises to dataflow programming, where loops need to be identified (and usually eliminated). I like to think of this algorithm as an all-in-one DAG toolkit.
We can also use it to solve
2SAT, which is the problem of
determining whether boolean variables in series of constraints of the form a || b
can be assigned T and F values such that all constraints hold. This is
discussed
here
but boils down to encoding the constraints as nodes and edges, calculating the
SCCs, and processing the output in reverse topologically sorted order. An
advantage to doing it this way is that the process can stop at the first SCC
that indicates unsatisfiability. I have an implementation of this
here.
Discovering this algorithm got me excited about theoretical computer science and reminded me that algorithms can be fun, interesting, and an opportunity to marvel at the music of the spheres. I’m curious to know what other equally awesome algorithms are out there. Which one’s your favourite?
Thanks to Annie Cherkaev for the title and feedback, and Iain McCoy for suggesting a more functional approach.


This tool uses CSV files for the games list. Why? Because it's easier to use, and you can easily toy with the files using Excel to create your own custom lists or edit the provided ones.
From an existing source
Create your own files


Beijing Food Explorer
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Professor of GIS
Cayuga Community College
197 Franklin Street, Auburn, NY 13210
Live:<PHONE_NUMBER>
Fax:<PHONE_NUMBER>
Email<EMAIL_ADDRESS>Office: M274 Main Building
Ph.D. Forest Resources Management (1995)
State University of New York (SUNY-ESF)
College of Environmental Science and Forestry
Syracuse, New York 13210
M.S. Forest Resources Management (1992)
State University of New York (SUNY-ESF)
B.S. Forestry (1984)
Institute of Forestry
University of Chittagong, Bangladesh
GIS 101: Foundations of GIS (for non GIS major)
GIS 111: Introduction to GIS
GIS 205: Introduction to Vector GIS
GIS 121: Remote Sensing and Aerial Photogrammetry
GIS 122: Spatial Modeling with Raster GIS
GIS 220: Advanced GIS
GIS 222: GIS Programming


Nathan Ferguson is playing West Brom waiting game
He joined the club when he was just eight years old and has enjoyed an outstanding start to the campaign.
by Joseph MasiBut it’s difficult to know where Nathan Ferguson will be playing his football next season – despite a new five-year-deal being on the table at The Hawthorns.
When news first broke the 19-year-old had been offered fresh terms, it seemed it would only be a matter of time before he signed.
That was back in September – and since then it’s all gone very quiet.
Tottenham, Crystal Palace, Juventus and Atletico Madrid have all been linked with the defender, who is out of contract in the summer.
The two Premier League sides certainly need a right-back.
But it’s the interest of the two foreign clubs that is particularly interesting – and is the reason why a host of other promising youngsters at Albion have also been linked with moves away.
Fifa compensation tariffs mean teenagers can move abroad for very little.
Albion have already had it with Louie Barry who – as a 16-year-old – left to join Barcelona for just £235,000.
And if Ferguson moves abroad, the Baggies will again receive less than £300,000.
Those fees – minimal in football terms – make the players very attractive to European clubs.
Not only are they cheap, the buying clubs also know there are huge margins to be made selling the player back to an English club in the future.
But the fees also make it very easy for an agent to move their client on.
Agents tend to earn more in fees when the transfer fee is low. They also know if their client doesn’t settle or isn’t a success abroad, it is highly likely an English club will bring them back to these shores.
It is possible of course that a player – Ferguson or otherwise – may just want to play abroad.
Jadon Sancho has certainly been a huge success since leaving Manchester City for Borussia Dortmund.
But using Ferguson’s case as an example, the fact he has been linked with Juventus and Atletico Madrid also helps Tottenham and Palace.
The reality is Albion have to sell the defender in January if he doesn’t sign a new deal. They cannot simply let a multi-million pound asset walk out the door.
But clubs can use that interest to drive down the price knowing full well the Baggies won’t want to settle for Fifa’s compensation figure.
Ultimately, the decision is Ferguson’s. And if he believes he will develop into a better playing by moving on, he has that right.
But at Albion, he has a manager in Slaven Bilic who trusts him. He has a lucrative contract on the table.
He is also likely to be playing first-team football and can continue to be surrounded by his friends and family who live in the West Midlands.
It should have to be a heck of an offer to get him to leave.
Sadly, though, money talks in football.
And Fifa’s compensation rule means he is likely to be offered a huge amount of money to move on.


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2 police officers, transit worker charged in separate cases
by Associated PressPHILADELPHIA (AP) — Officials say two Philadelphia police officers and a transit authority employee have been charged in two separate investigations.
The city’s district attorney’s office announced the charges Thursday.
Narcotics officer Charles Myers was charged with perjury, records tampering and lying to authorities. Officials say Myers gave court testimony in 2017 about two arrests that was eventually disproven.
Southeastern Pennsylvania Transportation Authority employee Edward Williams was charged with lying to authorities and obstruction. Authorities say a woman alleged he was stalking and harassing her.
Philadelphia Police Homicide Det. Nathaniel Williams, Edward’s brother, was also arrested in the same investigation. He’s been charged with records and evidence tampering, lying to authorities and obstruction.
Specific information on the pending investigations was not released.
Attorney information couldn’t be found for any of the men charged.


| sweep {pbdDMAT} | R Documentation |
Sweep vector or ddmatrix from a distributed matrix.
sweep(x, MARGIN, STATS, FUN = "-", check.margin = TRUE, ...) ## S4 method for signature 'ddmatrix,ANY,vector' sweep(x, MARGIN, STATS, FUN = "-") ## S4 method for signature 'ddmatrix,ANY,ddmatrix' sweep(x, MARGIN, STATS, FUN = "-")
x |
numeric distributed matrix. |
MARGIN |
subscript over which the function will be applied |
STATS |
array to be swept out. |
FUN |
function used in the sweep. Only |
check.margin, ... |
Ignored. |
Returns a distributed matrix.


Evaluating Moral Character and Personality
In this experiment, you will read a story about two different individuals. You will then be asked to evaluate their moral character and personality.
Legal information: By answering the following questions, you are participating in a study being performed by cognitive scientists in the Stanford Department of Psychology. If you have questions about this research, please contact Yuan Chang Leong at<EMAIL_ADDRESS>You must be at least 18 years old to participate. Your participation in this research is voluntary. You may decline to answer any or all of the following questions. You may decline further participation, at any time, without adverse consequences. Your anonymity is assured; the researchers who have requested your participation will not receive any personal information about you.


| template | UI |
|---|---|
| phone | |
| phone confirmation code | |
| resend | |
| idpButton | |
| submitButton | |
| name | |
| newPassword | |
| password | |
| passwordRecoveryButton | |
| troubleGettingEmailButton | |
| resendEmailLinkButton | |
| cancelButton | |
| infoBar |
First paragraph. Second paragraph.


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{% extends "layout.html" %} {% block pageTitle %} GOV.UK Prototype Kit {% endblock %} {% block beforeContent %}
{% endblock %} {% block content %}CSV stands for Comma Separated Values. A CSV file is a popular format for publishing data on the web. They are plain text files which means they can contain numbers and letters only. Most spreadsheet software (Microsoft Excel, Google Sheets etc.) will have a '.csv' option when saving your data. This is the easiest way to turn your spreadsheet into a CSV file.


Consider invoking this command separately to avoid masking its return value (or use '|| true' to ignore).
This is an optional suggestion enabled with shellcheck -o check-extra-masked-returns
or enable=check-extra-masked-returns
in a # shellcheck
directive or .shellcheckrc
.
set -e
cd "$(get_chroot_dir)/etc"
tar xf "$config"
set -e
dir="$(get_chroot_dir)"
cd "$dir/etc"
tar xf "$config"
In the problematic example, the exit code for get_chroot_dir
is ignored because it is used in a command substitution in the argument of another command.
If the command shows error: Can't determine chroot
and exits with failure without outputting a directory, then the command being run will be cd "/etc"
and the script will proceed to overwrite the host system's configuration.
By assigning it to a variable first, the exit code of the command will propagate into the exit code of the assignment, so that it can be checked explicitly with if
or implicitly with set -e
.
If you don't care about the command's exit status, or already handle it through a side channel like <(cmd; echo $? > status)
, then you can either [[ignore]] the suggestion with a directive, or use || true
(or || :
) to suppress it.
Note that this suggestion is optional, and only shows up when explicitly enabled in the script, on the command line, or in a .shellcheckrc
.


{% load static %}
MyUMBC Submission System
Home
Contact
Submit
Assignments
Welcome to the Submission Page
Please Choose Files to Upload
{% csrf_token %} Class: {{ form.studentClass }} Section: {{ form.section }}
Assignment: {{form.assignment}}
{{ form.submission }}
{{fileSubmitted}}


Favorite Bands
Depeche Mode
7 Seconds
The Beatles
The Clash
The Who
Green Day
The Wynona Riders
Bob Dylan
Operation Ivy
PIL
Fang


Command menu for modern browsers.
Open the menu by pressing the . key.
# console.log will output here


CAA website besieged by angry drone pilots ahead of registration deadline
by James BoothThousands of UK drone pilots could face a fine of £1,000 if they fail to register their details with the Civil Aviation Authority (CAA) by the end of today.
Drone users blasted the regulator on Twitter today, complaining that its website was repeatedly crashing as users rushed to register.
Twitter user Toby Stripp said: “@UK_CAA your drone registration service is down. Hope you won’t be dishing out any £1k fines when people can’t register huh?”

Rob Mynott said: “@UK_CAA I have just tried to register my drone, but having both taken and passed the test the website crashed as I was trying to make payment. What do you suggest I do?”
A spokesperson for the CAA said: “We are trying to establish what the problem is.”
Anyone with a drone which weighs more than 250g must register it with the CAA by midnight tonight.
Read more: Passenger jet ‘narrowly avoided’ hitting drone at Gatwick airport in April
The operator must be over 18, take an online multiple choice test and pay a £9 fee.
The new regulation follows scares such as the disruption of Gatwick Airport last December.
Last year thousands of passengers faced delays and the army was called in after multiple drone sightings near Gatwick Airport.
In April, an Airbus passenger jet carrying as many as 186 passengers was forced to take evasive action to avoid a drone as it approached Gatwick airport.
The airliner was flying at 518 metres towards the West Sussex airport on 28 April when the pilot saw a dark-coloured drone and made a banking turn to the right of up to eight degrees to avoid the device, according to the UK Airprox Board (UKAB).


{% extends "base.html" %} {% block content %} This is a student project from UF where users and track their github comments and compare themselves to other users. Github Link {% endblock content %}


10 hospitalized after flu vaccine, insulin mix-up at Oklahoma group home
by Kelli Dugan, Cox Media Group National Content DeskBARTLESVILLE, Okla. -
Ten people at an Oklahoma group home who received insulin shots instead of the flu vaccine were hospitalized Wednesday in what authorities are calling a “medical misadventure,” multiple news outlets reported.
Sgt. Jim Warring with the Bartlesville Police Department told CNN eight of the patients transported for medical care are residents of Jacquelyn House and two are employees. All 10 are expected to recover, the network reported.
“I've never seen where there's been some sort of medical misadventure to this magnitude,” Bartlesville Police Chief Tracy Roles said during a news conference.
According to CBS News, a veteran pharmacist in practice for 40 years administered the shots and is cooperating fully with authorities.
“I'm so hopeful that means that this was just a terrible accident. The bigger hope is that all of the patients who are at the hospital make a full recovery,” Roles said.
Jacquelyn House, owned by AbilityWorks of Oklahoma Inc., serves intellectually and developmentally disabled people. The eight residents sickened in the incident represent the Bartlesville site’s full capacity, CNN reported.


--- layout: post title: AUTO INCREMENT tags: - MySQL status: publish type: post published: true meta: _edit_last: '2' --- Since the MySQL Query Browser on my Mac refused to let me set a field as auto increment through the GUI, here's how you can using SQL change an existing column to use auto_increment: [sql] ALTER TABLE `aggregatedWeekly` CHANGE `Id` `Id` INT( 6 ) UNSIGNED NOT NULL AUTO_INCREMENT [/sql]
[sql]ALTER TABLE `aggregatedWeekly` AUTO_INCREMENT=1[/sql]


CPPIB signs agreement to buy renewable power company Pattern Energy Group
by The Canadian Press, StaffTORONTO -- The Canada Pension Plan Investment Board has signed a deal to buy renewable power producer Pattern Energy Group Inc.
The values the company at US$6.1 billion, including debt.
The Canadian investment manager says it will pay US$26.75 per share in cash for the company.
Pattern Energy has a portfolio of 28 renewable energy projects with an operating capacity of 4.4 gigawatts in the United States, Canada and Japan.
Once the deal closes, CPPIB has signed a deal with Riverstone Holdings LLC to combine Pattern Energy and Pattern Energy Group Holdings 2 LP (Pattern Development) to bring together the operating assets with the development firm.
The transaction is expected to close by the second quarter of 2020, subject to Pattern Energy shareholder approval, regulatory approvals and other customary closing conditions.
This report by The Canadian Press was first published Nov. 4, 2019.


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A festive christmas cookie that can be hung on the Christmas tree.
Because you can never have too many kinds of christmas cookies.
A spirited christmas delight covered in coconut.


Preparation time
less than 30 mins
Cooking time
no cooking required
Serves
Serves 10
Dietary
A gorgeous mashup of the Victorian classic cherries jubilee and the beloved trifle - a seasonal glory.
Choose a large glass bowl. Break the boudoir biscuits into pieces and sprinkle at the bottom of the bowl. Pile the cherries on top and spoon over the cherry brandy. Sprinkle the meringue nests on top of the cherries and sprinkle the raspberries on top of that. Pour the custard over the whole lot and chill for 10 minutes.
Spoon the whipped cream on top of the custard and sprinkle generously with the chocolate and then the flaked almonds. Chill for a short period of time before serving, but don t leave it too long.


{% extends "errors/404/base.html" %}
{% load i18n %}
{# project exists but page doesn't #}
{% block 404_error_message %}
{% include "errors/404/include_error_message.html" %}
{% include "errors/404/include_search.html" with search_project=project.slug %}
{% include "errors/404/include_tips.html" %}
{% endblock %}


Woops! An error has occured!
404 - Page not found
The page you stumbled upon does not exist or an other error has occured.


public class WheelJoint extends Joint
This class replaced the hard to use LineJoint class.
Nearly identical to Box2d's equivalent class.
Joint.LimitState
| Modifier and Type | Field and Description |
|---|---|
protected double |
a1
a1 = (r1 + d).cross(axis)
|
protected double |
a2
a2 = r2.cross(axis)
|
protected Vector2 |
axis
The world space xAxis
|
protected double |
bias
The bias for adding work to the constraint (simulating a spring)
|
protected double |
dampingRatio
The damping ratio
|
protected double |
frequency
The oscillation frequency in hz
|
protected double |
gamma
The damping portion of the constraint
|
protected double |
impulse
The accumulated impulse for warm starting
|
protected double |
invK
The point-on-line constraint mass; K = J * Minv * Jtrans
|
protected Vector2 |
localAnchor1
The local anchor point on the first
Body |
protected Vector2 |
localAnchor2
The local anchor point on the second
Body |
protected double |
maximumMotorTorque
The maximum torque the motor can apply in newton-meters
|
protected boolean |
motorEnabled
Whether the motor is enabled or not
|
protected double |
motorImpulse
The impulse applied by the motor
|
protected double |
motorMass
The mass of the motor
|
protected double |
motorSpeed
The target velocity in radians / second
|
protected Vector2 |
perp
The world space yAxis
|
protected double |
s1
s1 = (r1 + d).cross(perp)
|
protected double |
s2
s2 = r2.cross(perp)
|
protected double |
springImpulse
The impulse applied by the spring/damper
|
protected double |
springMass
The spring/damper constraint mass
|
protected Vector2 |
xAxis
The axis representing the allowed line of motion
|
protected Vector2 |
yAxis
The perpendicular axis of the line of motion
|
collisionAllowed, id
| Constructor and Description |
|---|
WheelJoint(Body body1,
Body body2,
Vector2 anchor,
Vector2 axis)
Minimal constructor.
|
| Modifier and Type | Method and Description |
|---|---|
Vector2 |
getAnchor1()
Returns the anchor point on the first
Body in
world coordinates. |
Vector2 |
getAnchor2()
Returns the anchor point on the second
Body in
world coordinates. |
Vector2 |
getAxis()
Returns the axis in which the joint is allowed move along in world coordinates.
|
double |
getDampingRatio()
Returns the damping ratio.
|
double |
getFrequency()
Returns the spring frequency.
|
double |
getJointSpeed()
Returns the current joint speed.
|
double |
getJointTranslation()
Returns the current joint translation.
|
double |
getMaximumMotorTorque()
Returns the maximum torque the motor can apply to the joint
to achieve the target speed.
|
double |
getMotorSpeed()
Returns the target motor speed in radians / second.
|
double |
getMotorTorque(double invdt)
Returns the applied motor torque.
|
Vector2 |
getReactionForce(double invdt)
Returns the force applied to the
Body s in order
to satisfy the constraint in newtons. |
double |
getReactionTorque(double invdt)
Returns the torque applied to the
Body s in order
to satisfy the constraint in newton-meters. |
void |
initializeConstraints()
Performs any initialization of the velocity and position constraints.
|
boolean |
isMotorEnabled()
Returns true if the motor is enabled.
|
boolean |
isSpring()
Returns true if this wheel joint is a spring wheel joint.
|
boolean |
isSpringDamper()
Returns true if this wheel joint is a spring wheel joint
with damping.
|
void |
setDampingRatio(double dampingRatio)
Sets the damping ratio.
|
void |
setFrequency(double frequency)
Sets the spring frequency.
|
void |
setMaximumMotorTorque(double maximumMotorTorque)
Sets the maximum torque the motor can apply to the joint
to achieve the target speed.
|
void |
setMotorEnabled(boolean motorEnabled)
Enables or disables the motor.
|
void |
setMotorSpeed(double motorSpeed)
Sets the target motor speed.
|
protected void |
shiftCoordinates(Vector2 shift)
Shifts (translates) the coordinates of this constraint.
|
boolean |
solvePositionConstraints()
Solves the position constraints.
|
void |
solveVelocityConstraints()
Solves the velocity constraints.
|
java.lang.String |
toString() |
getId, isActive, isCollisionAllowed, setCollisionAllowed
getBody1, getBody2, getUserData, getWorld, isOnIsland, setBody1, setBody2, setOnIsland, setUserData, setWorld
protected boolean motorEnabled
protected double motorSpeed
protected double maximumMotorTorque
protected double frequency
protected double dampingRatio
protected double bias
protected double gamma
protected double invK
protected double springMass
protected double motorMass
protected double impulse
protected double springImpulse
protected double motorImpulse
protected Vector2 xAxis
protected Vector2 yAxis
protected Vector2 perp
protected Vector2 axis
protected double s1
protected double s2
protected double a1
protected double a2
public void initializeConstraints()
Joint
initializeConstraints
in class Joint
public void solveVelocityConstraints()
Joint
solveVelocityConstraints
in class Joint
public boolean solvePositionConstraints()
Joint
solvePositionConstraints
in class Joint
public Vector2 getAnchor1()
Joint
Body
in
world coordinates.getAnchor1
in class Joint
Vector2
public Vector2 getAnchor2()
Joint
Body
in
world coordinates.getAnchor2
in class Joint
Vector2
public Vector2 getReactionForce(double invdt)
Joint
Body
s in order
to satisfy the constraint in newtons.getReactionForce
in class Joint
invdt
- the inverse delta timeVector2
public double getReactionTorque(double invdt)
Joint
Body
s in order
to satisfy the constraint in newton-meters.getReactionTorque
in class Joint
invdt
- the inverse delta timeprotected void shiftCoordinates(Vector2 shift)
Constraint
Typically this method should not be called directly. Instead
use the World.shiftCoordinates(Vector2)
method to move the
entire world.
shiftCoordinates
in class Constraint
shift
- the distance to shift along the x and y axespublic double getJointSpeed()
public double getJointTranslation()
public boolean isSpring()
public boolean isSpringDamper()
public double getDampingRatio()
public void setDampingRatio(double dampingRatio)
dampingRatio
- the damping ratio; in the range [0, 1]java.lang.IllegalArgumentException
- if damping ration is less than zero or greater than 1public double getFrequency()
public void setFrequency(double frequency)
frequency
- the spring frequency in hz; must be greater than or equal to zerojava.lang.IllegalArgumentException
- if frequency is less than zeropublic boolean isMotorEnabled()
public void setMotorEnabled(boolean motorEnabled)
motorEnabled
- true if the motor should be enabledpublic double getMotorSpeed()
public void setMotorSpeed(double motorSpeed)
motorSpeed
- the target motor speed in radians / secondpublic double getMaximumMotorTorque()
public void setMaximumMotorTorque(double maximumMotorTorque)
maximumMotorTorque
- the maximum torque in newtons-meters; in the range [0, ∞]java.lang.IllegalArgumentException
- if maxMotorTorque is less than zeropublic double getMotorTorque(double invdt)
invdt
- the inverse delta time from the time step


Statistics Documentation¶
This focuses on getting Mojang statistics.
Basic Example:
import aiomojang
import asyncio
async def get_mojang_statistics():
# You can get Mojang statistics with aiomojang.Statistics()
stats = aiomojang.Statistics()
# Using any function under aiomojang.Statistics() requires a payload
# The payload can be of the following:
# item_sold_minecraft
# prepaid_card_redeemed_minecraft
# item_sold_cobalt
# item_sold_scrolls
# prepaid_card_redeemed_cobalt
# item_sold_dungeons
return await stats.get_sale_velocity("item_sold_minecraft") # Returns a float.
asyncio.run(get_mojang_statistics()) # Running the function
-
class
aiomojang.misc.
Statistics
¶ Get Mojang statistics given a payload.
-
async
get_raw_stats
(payload: Optional[str] = None)¶ Gets the raw statistics for the specified payload. :returns: The raw json. :rtype: dict
- Raises
RequiredPayload – If you are missing the required payload.
-
async
get_sale_velocity
(payload: Optional[str] = None)¶ Gets the sale velocity of the given payload. :returns: The sale velocity. :rtype: int
- Raises
RequiredPayload – If you are missing the required payload.
-
async
get_sales_today
(payload: Optional[str] = None)¶ Gets the total amount of sales in the past 24 hours. :returns: The total amount of sales in the past 24 hours. :rtype: int
- Raises
RequiredPayload – If you are missing the required payload.
-
async
get_total
(payload: Optional[str] = None)¶ Gets the total amount of sales for the specified payload. :returns: The total amount of sales. :rtype: int
- Raises
RequiredPayload – If you are missing the required payload.
-
async


This our get together KADIWA socializing happened in the Locale of Zabarte. This was done after visiting our purok area and greet our fellow brethren in the Church of Christ. By communication, we enhance our communication skills through each other. By communication, we strengthen our faith and hope.
By communication, we enhance our communication skills through each other. It provides the key to cooperation and productivity. It solves problems more easily because it creates an environment where a manager recognizes customer complaints and employee recommendations and develops answers and solutions. It creates harmony and trust, which leads to good work relationships and productivity.
A person who masters communication skill, also masters in confidence, confidence comes from a feeling of well-being and an acceptance of your body and mind, great communication skill helps you to master in these kinds of feelings because when you commit yourself towards mastering communication skill, you start involving yourself in reading books, gaining knowledge learning new skills and techniques, these learning and improvement makes your communication skill better which eventually boost your confidence.


These shoes are made for you if you like going to Uni
You want to impress you friends ? Be smart and buy these shoes !
With its nice and soft cotton quality you can work all day without sweating
You are a gym addict, have great muscles ? These are the shoes. But no worries you can also buy it you are chubby, these shoes fit everyone !
If you like random shoes, well I just want to say that these shoes are made for you!
If you like running marathon these shoes are made for you ! Just buy it lad !


[§443B-4.51] Certificate of registration. Each certificate of registration shall be in a form prescribed and signed by the director, and shall be issued in the name of the department. [L 1990, c 246, pt of §1]


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October 08, 2001
Bush Family Linked to Bin Laden Family
Emperor's Clothes | Submitted by: Soylent
This is from a really sketchy source but they quote the Wall Street Journal.
Business interests in the Bush family are linked to the Bin Laden family via the
Carlyle Group, an aerospace/banking conglomerate. "President Bush does not
have a relationship with the bin Laden family," says Ms. Becker.
"He's met them twice."
|
|
Read article... and
This... and
This...
|
|
Slug Robot on the Horizon
Wired | Submitted by: Soylent
"A prototype robot capable of hunting down over 100 slugs an hour and using
their rotting bodies to generate electricity is being developed by engineers at
the University of West England's Intelligent Autonomous Systems Laboratory."
|
|
Read article...
|
|
City of Cologne sporting Driveup Brothels
Reuters | Submitted by: Soylent
Too many hookers near Köln Cathedral, this is the city's answer. [It is
actually a wonder that prostitution is still illegal in most parts of the world,
the only civilized solution is regulated hookery.]
|
|
Read article...
|
|
More Anthrax
Associated Press | Submitted by: Soylent
Zero cases of Anthrax in the last 25 years, and then two in a matter of
days during this critical and suspicious time. It could be that cases don't get
diagnosed properly and we're just more anthrax-aware right now. Or it could
be that something sinister is afoot.
|
|
Read article...
|
|
CNN Bogarting Al Jazeera Coverage
Hollywood Reporter | Submitted by: Soylent
Qatari Al Jazeera Television has the best and most vibrant coverage
of all Arab stations, since for whatever reasons the tiny state of Qatar does
not try to censor its media as much as the other states. CNN has tried to
impose a 6 hour embargo on any footage from the station, but all of the major
networks are ignoring the ridiculous order.
[The original source to this article, inside.com, is now charging for this
article. Instead, we have linked to a similar but less insightful article at Hollywood Reporter]
|
|
Read article...
|
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Idiocy of Current and Future Money Law
Reason | Submitted by: Soylent
"Shortly after I opened a checking account at a Washington, D.C. branch of
First Union roughly three years ago, it was frozen by the corporate office
because I fit a 'criminal profile.' I'd opened an account by phone and
deposited 'large' sums of money in it in a high crime area. The large amount of
money was two checks that totaled less than $4,000 and were drawn on First
Union accounts. The high crime area was 17th Street and Pennsylvania Avenue,
which is almost yelling distance from the White House's West Wing."
|
|
Read article...
|
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BEFORE Session 1, for each of the following videos or reading:
If you have not already done so, do these instructions for setting up your computer for CSSE 120.
The following videos PREVIEW what you will do DURING Session 1.
WATCH them NOW (and do the associated quiz in Moodle) but do NOT attempt to follow along them in PyCharm -- you will do that DURING class. Just WATCH them for now.


Dashboard
User Profile
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Typography
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Maps
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Upgrade to PRO
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We work directly with our designers and suppliers, and sell direct to you, which means quality, exclusive products, at a price anyone can afford.


In the Spring of 2013 I earned the rank of Eagle in the Boy Scouts of America. These are some of the pictures for the project. I renovated a historical cemetery in my home town. The cemetery was in desperate need of repair and was over 200 years old. Many of the headstones have been piled beside the crucifix in the back of the site. Weeds that were taller than me had grown around and on top of many of them. There was over several hundred hours of planning and excuting this project. It could not have been done without the help of my family, friends, and the community.


class FolderCreateEvent extends FolderEvent
Class FolderCreateEvent
Methods
|
__construct(Folder $folder = null)
|
from FolderEvent | |
|
setFolder(Folder $folder)
|
from FolderEvent | |
| Folder |
getFolder()
|
from FolderEvent |
| bool |
hasFolder()
test if a folder object exists |
from FolderEvent |
| $this |
setLocale(mixed $locale)
|
|
| mixed |
getLocale()
|
|
| $this |
setParent(mixed $parent)
|
|
| mixed |
getParent()
|
|
| $this |
setTitle(mixed $title)
|
|
| mixed |
getTitle()
|
|
| $this |
setVisible(mixed $visible)
|
|
| mixed |
getVisible()
|
Details
in FolderEvent at line 29
public
__construct(Folder $folder = null)
in FolderEvent at line 37
public
setFolder(Folder $folder)
in FolderEvent at line 47
public Folder
getFolder()
in FolderEvent at line 57
public bool
hasFolder()
test if a folder object exists
at line 32
public $this
setLocale(mixed $locale)
at line 42
public mixed
getLocale()
at line 53
public $this
setParent(mixed $parent)
at line 63
public mixed
getParent()
at line 73
public $this
setTitle(mixed $title)
at line 83
public mixed
getTitle()
at line 93
public $this
setVisible(mixed $visible)
at line 103
public mixed
getVisible()


Introduction to the Notebook¶
Note
We are utilizing Jupyter Books [Community, 2020] for our development. We did not have any part in the development of Jupyter Books (but we sure do thank them), but our contribution is the content contained in this notebook.
Welcome to our introduction and application of latent dirichlet allocation or LDA [Blei et al., 2003]. Our hope with this notebook is to discuss LDA in such a way as to make it approachable as a machine learning technique. From “when to use LDA” to “applying LDA to talk about bias,” we tried our best to cover the topic in an approachable manner. If we are missing anything, feel free to click on the button at the top-right side of the page.
Chapters¶
Notebook Introduction - Provides details on how to run this Jupyter Notebook in Binder, Google Colab, or even in the browser itself.
Latent Dirichlet Allocation (LDA) - Introduces the topic modeling and LDA. Including an example of its application using Python
Dirichlet Distribution - We provide a look at the Dirichlet Distribution using The Chinese Restaurant Process to illistrate how it is derived and used in LDA.
Jigsaw - an Implementation of LDA - We wanted to provide a use-case for LDA, so we coupled LDA and Unintended Bias (a dataset from Kaggle)
Visualizing and Anayzing Jigsaw - Finally, we take the results from LDA + Jigsaw and provide visualization and analysis of the findings.
References¶
I know it is tradition to have references at the end of books, but when you are standing on the shoulders of giants. You thank them first.
- Ald85
David J Aldous. Exchangeability and related topics. In École d'Été de Probabilités de Saint-Flour XIII—1983, pages 1–198. Springer, 1985.
- Bau00
L. Frank Baum. The Wonderful Wizard of Oz. George M. Hill Company, 1900. URL: https://www.gutenberg.org/files/55/55-h/55-h.htm.
- bla17
blacksite. 2017. Accessed on 2021-08-06T18:24:07Z. URL: https://stackoverflow.com/questions/44208501/getting-topic-word-distribution-from-lda-in-scikit-learn.
- Ble17
David Blei. Prof. David Blei - Probabilistic Topic Models and User Behavior. YouTube, Feb 2017. URL: https://www.youtube.com/watch?v=FkckgwMHP2s&t=484s.
- Ble12
David M Blei. Probabilistic topic models. Communications of the ACM, 55(4):77–84, 2012.
- BNJ03
David M Blei, Andrew Y Ng, and Michael I Jordan. Latent dirichlet allocation. the Journal of machine Learning research, 3:993–1022, 2003.
- Bog17
Aja Bogdanoff. Saying goodbye to civil comments. Dec 2017. URL: https://medium.com/@aja_15265/saying-goodbye-to-civil-comments-41859d3a2b1d.
- BOH11
Michael Bostock, Vadim Ogievetsky, and Jeffrey Heer. D³ data-driven documents. IEEE transactions on visualization and computer graphics, 17(12):2301–2309, 2011.
- BLB+13
Lars Buitinck, Gilles Louppe, Mathieu Blondel, Fabian Pedregosa, Andreas Mueller, Olivier Grisel, Vlad Niculae, Peter Prettenhofer, Alexandre Gramfort, Jaques Grobler, Robert Layton, Jake VanderPlas, Arnaud Joly, Brian Holt, and Gaël Varoquaux. API design for machine learning software: experiences from the scikit-learn project. In ECML PKDD Workshop: Languages for Data Mining and Machine Learning, 108–122. 2013.
- Com20
Executable Books Community. Jupyter book. Feb 2020. doi:10.5281/zenodo.4539666.
- HUnitaryteam20
Laura Hanu and Unitary team. Detoxify. Github. https://github.com/unitaryai/detoxify, 2020.
- JG19
Jigsaw and Google. Jigsaw unintended bias in toxicity classification. 2019. URL: https://www.kaggle.com/c/jigsaw-unintended-bias-in-toxicity-classification.
- Liu20
Bing Liu. Sentiment analysis: Mining opinions, sentiments, and emotions. Cambridge university press, 2020.
- Pas21
Panupong Pasupat. Dp: chinese restaurant process viewpoint. Jan 2021. URL: https://ppasupat.github.io//a9online/bayesian-nonparametrics/023-chinese-view.html.
- Ric19
Leonard Richardson. 2019. URL: https://beautiful-soup-4.readthedocs.io/en/latest/.
- TMN+14
Jian Tang, Zhaoshi Meng, Xuanlong Nguyen, Qiaozhu Mei, and Ming Zhang. Understanding the limiting factors of topic modeling via posterior contraction analysis. In International Conference on Machine Learning, 190–198. PMLR, 2014.
- Wer16
Wayne Werner. https://stackoverflow.com/questions/35160256/how-do-i-output-lists-as-a-table-in-jupyter-notebook, 2016. Accessed on 2021-08-04T13:42:07Z.


|
||||||||||
| PREV CLASS NEXT CLASS | FRAMES NO FRAMES | |||||||||
| SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |
java.lang.Object java.io.Writer java.io.OutputStreamWriter java.io.FileWriter de.iabg.mode.io.ExcelModeCorrelationWriter
public class ExcelModeCorrelationWriter
This implementation of ModeCorrelationWriter
writes an Excel file
containing mode correlation data. Refer to ModeCorrelationWriter
class API for more details.
| Field Summary | |
|---|---|
protected java.io.File |
firstMeshFile_
The file of the First Mesh |
protected java.io.File |
firstModeFile_
The file of the First Mode |
protected java.lang.String |
firstName_
The name of the First Mesh |
protected java.io.File |
lastMeshFile_
The file of the Last Mesh |
protected java.io.File |
lastModeFile_
The file of the Last Mode |
protected java.lang.String |
lastName_
The name of the Last Mesh |
protected ModeCorrelationMatrix |
modeCorrelations_
Storage for the mode correlations |
| Fields inherited from class java.io.Writer |
|---|
lock |
| Constructor Summary | |
|---|---|
ExcelModeCorrelationWriter(java.io.File file)
Constructs an ExcelModeCorrelationWriter from the given file. |
| Method Summary | |
|---|---|
void |
exportModeCorrelations(ModeCorrelationMatrix modeCorrelations)
Writes the given mode correlations and to an output file. |
void |
setFirstMeshFile(java.io.File firstMeshFile)
Internally saves the file data to be written with any exported data. |
void |
setFirstModeFile(java.io.File firstModeFile)
Internally saves the file data to be written with any exported data. |
void |
setFirstName(java.lang.String firstName)
Internally saves the name to be written with any exported data. |
void |
setLastMeshFile(java.io.File lastMeshFile)
Internally saves the file data to be written with any exported data. |
void |
setLastModeFile(java.io.File lastModeFile)
Internally saves the file data to be written with any exported data. |
void |
setLastName(java.lang.String lastName)
Internally saves the name to be written with any exported data. |
protected void |
writeModeCorrelations(java.io.PrintWriter printWriter)
Writes the stored mode correlations to the file using the given file writer. |
| Methods inherited from class java.io.OutputStreamWriter |
|---|
close, flush, getEncoding, write, write, write |
| Methods inherited from class java.io.Writer |
|---|
append, append, append, write, write |
| Methods inherited from class java.lang.Object |
|---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Field Detail |
|---|
protected java.io.File firstMeshFile_
First Mesh
protected java.io.File firstModeFile_
First Mode
protected java.lang.String firstName_
First Mesh
protected java.io.File lastMeshFile_
Last Mesh
protected java.io.File lastModeFile_
Last Mode
protected java.lang.String lastName_
Last Mesh
protected ModeCorrelationMatrix modeCorrelations_
| Constructor Detail |
|---|
public ExcelModeCorrelationWriter(java.io.File file) throws java.io.IOException
ExcelModeCorrelationWriter
from the given file.
file
- the file to be exported
java.io.IOException
- if the file could not be written| Method Detail |
|---|
public void exportModeCorrelations(ModeCorrelationMatrix modeCorrelations) throws java.io.IOException
ModeCorrelationWriter
exportModeCorrelations
in interface ModeCorrelationWriter
modeCorrelations
- the ModeCorrelationMatrix
to be
written
java.io.IOException
- if the file could not be writtenpublic void setFirstMeshFile(java.io.File firstMeshFile)
ModeCorrelationWriter
setFirstMeshFile
in interface ModeCorrelationWriter
firstMeshFile
- the file of the First Mesh
public void setFirstModeFile(java.io.File firstModeFile)
ModeCorrelationWriter
setFirstModeFile
in interface ModeCorrelationWriter
firstModeFile
- the file of the First Mode
public void setFirstName(java.lang.String firstName)
ModeCorrelationWriter
setFirstName
in interface ModeCorrelationWriter
firstName
- the name of the First Mesh
public void setLastMeshFile(java.io.File lastMeshFile)
ModeCorrelationWriter
setLastMeshFile
in interface ModeCorrelationWriter
lastMeshFile
- the file of the Last Mesh
public void setLastModeFile(java.io.File lastModeFile)
ModeCorrelationWriter
setLastModeFile
in interface ModeCorrelationWriter
lastModeFile
- the file of the Last Mode
public void setLastName(java.lang.String lastName)
ModeCorrelationWriter
setLastName
in interface ModeCorrelationWriter
lastName
- the name of the Last Mesh
protected void writeModeCorrelations(java.io.PrintWriter printWriter)
First Mode
and Last Mode
. The values of the correlation
are written in semicolon-separated rows and columns. Finally, the files
of the First Mesh
, First Mode
, Last Mesh
, and
Last Mode
and the names of the meshes are written.
printWriter
- the file writer of the output file
|
||||||||||
| PREV CLASS NEXT CLASS | FRAMES NO FRAMES | |||||||||
| SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |


Testing the CATCHER
问题描述 :
The tests which the contractor completed were computer simulations of battlefield and hostile attack conditions. Since they were only preliminary, the simulations tested only the CATCHER’s vertical movement capability. In each simulation, the CATCHER was fired at a sequence of offensive missiles which were incoming at fixed time intervals. The only information available to the CATCHER for each incoming missile was its height at the point it could be intercepted and where it appeared in the sequence of missiles. Each incoming missile for a test run is represented in the sequence only once.
The result of each test is reported as the sequence of incoming missiles and the total number of those missiles that are intercepted by the CATCHER in that test.
The General Accounting Office wants to be sure that the simulation test results submitted by the military contractor are attainable, given the constraints of the CATCHER. You must write a program that takes input data representing the pattern of incoming missiles for several different tests and outputs the maximum numbers of missiles that the CATCHER can intercept for those tests. For any incoming missile in a test, the CATCHER is able to intercept it if and only if it satisfies one of these two conditions:
The incoming missile is the first missile to be intercepted in this test.
-or-
The missile was fired after the last missile that was intercepted and it is not higher than the last missile which was intercepted.
输入:
输出:
Note: The number of missiles for any given test is not limited. If your solution is based on an inefficient algorithm, it may not execute in the allotted time.
样例输入:
389 207 155 300 299 170 158 65 -1 23 34 21 -1 -1
样例输出:
Test #1: maximum possible interceptions: 6 Test #2: maximum possible interceptions: 2
解题代码:
import java.io.BufferedReader; import java.io.InputStreamReader; import java.util.*; public class Main { public static void main(String[] args) throws Exception{ BufferedReader in = new BufferedReader(new InputStreamReader(System.in)); int totalnum; int count = 0; //while((totalnum=Integer.parseInt(in.readLine()))!=-100){ while(true) { int num; ArrayList < Integer> array = new ArrayList< Integer>(); totalnum=Integer.parseInt(in.readLine()); if(totalnum==-1) break; array.add(totalnum); while((num=Integer.parseInt(in.readLine()))!=-1){ array.add(num); } int length = array.size(); int [] num_array = new int[length]; int [] max_array = new int[length]; for(int i=0;i< length;i++){ num_array[i] = array.get(i); max_array[i] = 1; } int max_value = 1; for(int i=1;i< length;i++){ for(int j=0;j< i;j++){ if(num_array[i]<=num_array[j]&&max_array[i]<=max_array[j]) max_array[i]++; } max_value = (max_array[i]>max_value)?max_array[i]:max_value; } if(count!=0) System.out.println(); System.out.println("Test #"+(++count)+":"); System.out.println(" maximum possible interceptions: "+max_value); } } }
清华也会出这么无聊的题
很好的方法，学习了
还是有些难度的！
不错的代码！
好的，多谢指出
对，这里说的最长回文子序列，非子串
多谢支持！
有意思，有难度
这是研发类的题还是算法类？
博主您好，这是一个内容十分优秀的博客，而且界面也非常漂亮。但是为什么博客的响应速度这么慢，虽然博客的主机在国外，但是我开启VPN还是经常响应很久，再者打开某些页面经常会出现数据库连接出错的提示
输入样例作为一个整体输入，带回车


| Test |
Duration |
Result |
| textToWords[0](# . no, $ convertion., . no $ convertion) |
0.008s |
passed |
| textToWords[10](7-11, seven to eleven) |
0.001s |
passed |
| textToWords[11](12, 35, twelve thirty five) |
0.001s |
passed |
| textToWords[12](146%, one hundred forty six percent) |
0s |
passed |
| textToWords[13](320'000, three hundred twenty thousand) |
0.001s |
passed |
| textToWords[14](120,000, one hundred twenty thousand) |
0.001s |
passed |
| textToWords[15]($35,000, thirty five thousand dollars) |
0.001s |
passed |
| textToWords[16]($1000000, one million dollars) |
0.001s |
passed |
| textToWords[17](U.S. economy, u s economy) |
0.001s |
passed |
| textToWords[18](sweet home Greenbow, AL., sweet home greenbow alabama) |
0.001s |
passed |
| textToWords[19](Henry I, henry the first) |
0s |
passed |
| textToWords[1](1, 2 3, one two three) |
0.004s |
passed |
| textToWords[20](Chapter XVII, chapter seventeen) |
0.001s |
passed |
| textToWords[21](don't, doesn't, won't, can't, don't doesn't won't can't) |
0.001s |
passed |
| textToWords[22](I've we've, i've we've) |
0.001s |
passed |
| textToWords[23](I've we've it's, i've we've it's) |
0.001s |
passed |
| textToWords[24](Classics of 80s, classics of eighties) |
0.001s |
passed |
| textToWords[25](In 1880s, in eighteen eighties) |
0.001s |
passed |
| textToWords[26](Mulholland Dr., mulholland drive) |
0.001s |
passed |
| textToWords[27](dr. Jekyll and Mr. Hyde., doctor jekyll and mister hyde) |
0.001s |
passed |
| textToWords[28](Mr. & Mrs. smith, mister and missus smith) |
0s |
passed |
| textToWords[29](St. Louis Cardinals, saint louis cardinals) |
0.001s |
passed |
| textToWords[2](the answer is 42,, the answer is forty two) |
0s |
passed |
| textToWords[30](St. Elmo's fire, saint elmo's fire) |
0s |
passed |
| textToWords[31](elm st., elm street) |
0s |
passed |
| textToWords[3](587, five hundred eighty seven) |
0.001s |
passed |
| textToWords[4](1903, one thousand nine hundred three) |
0.001s |
passed |
| textToWords[5](12011, twelve thousand eleven) |
0s |
passed |
| textToWords[6](126166, one hundred twenty six thousand one hundred sixty six) |
0.001s |
passed |
| textToWords[7](9 3/4, nine and three fourth 's) |
0.002s |
passed |
| textToWords[8](October 1st, october first) |
0s |
passed |
| textToWords[9](May the 4th be with you, may the fourth be with you) |
0.001s |
passed |


Last year the music world was introduced to Taymor McIntyre, better known as Tay-K, a teenage rap sensation from the heart of Texas who recieved millions of views and critical acclaim for his song The Race. However, it wasn't his word play and ability to rhyme that brought on his fame, it was the uniqueness of his story. This is the story behind The Race.
In December of 2014, the world was introduced to Tay-K when he released the song Drift on SoundCloud with his group the Daytona Boyz. At the time Tay-K went by the name Tay-K47; his crew consisted of fellow adolescent rappers Santana Sage, Pimpyz. EZRA, KODZ, and gloom.
Following a performance at a new year's eve party in Denton, TX, Tay-K and Sanatana Sage had a confrontation in the early hours of the new year with fellow party goers at an intersection down the street from the home that hosted the event. After a verbal exchange at a red light with a sedan containing five passengers from the party, Santana shot two bullets at the packed car. One fatally wounded the driver, Sara Mutschlechner, a 20 year old student at the University of North Texas. Santana and Tay-K were both under the influence of Xanax, Mutschlechner was the car's designated driver.
Five days after the incident in Denton, police arrested Santana Sage as their primary suspect in the murder of Sara Mutschlechner. Sage was found approximately 1,200 miles away from the scene of the crime in Yuma, Arizona. Information about Sage's past poured in, and as it turned out he was better known for his service in the military than his for his rapping abilities. Sage, who's given name is Eric Jamal Johnson, confessed to the crime on January 8th. On July 31st he was sentenced to 44 years in prison with parole eligibility starting halfway through the sentence.
Witnessing a murder and following his friend’s legal battle did not stop Tay-K from getting into even more trouble. Less than seven months after the New Year’s incident, Tay-K was arrested on murder charges in a separate case. With the help of adolescents Megan Holt and Ariana Bharrat, Tay-K plotted to rob 21-year-old Ethan Walker. The women were invited into the home, left the door unlocked and gave Tay-K and three other juveniles the green light to enter the home. The teenagers stole a stash of narcotics and money and injured two residents and Walker as they exited. Walker died at John Peter Smith Hospital in Fort Worth at 11:29 PM, less than an hour after police were dispatched.
While media outlets focused on the adults involved in Walker's murder, Tay-K was caught and put under house arrest by authorities. The teenager used the new found free time to record his mixtape: Santana World, named after his encarcerated friend. Day's before his certification hearing, he and another juvenile accomplice broke off their ankle monitors and attempted to flee to San Antonio.  While outside of a Chick-Fil-A in San Antonio, Tay-K and three others had another deadly altercation. The victim: Mark Anthony Saldivar, a 23-year-old San Antonio Native. Salvidar was in the backseat of the car when two passengers started assaulting him; he was able to get out of the dark colored sedan and avoid getting run over by jumping on it's hood and kicking in the windsheild. The young men in the car responded with gunshots that hit and killed Saldivar.
On May 25th, Skip Pepe, a 65-year-old retired banker from Arlington, TX was found unconsious in a park by a jogger. Pepe had been robbed at gunpoint and beaten senselessly. Pepe's description of his attacker perfectly matched that of Tay-K and he was able to identify him in a photo line up in front of authorities later that week.
Having been involved in three murders, two armed robberies, two assaults, and a home invasion in the past year and a half, Taymore McIntyre had quite a reputation for his violent tendencies. Police offered rewards as high as $5,000 for information on his whereabouts and the cases he was involved in. However, his rap persona Tay-K was recieving much less attention. That would all change when he dropped a homemade music video for his song The Race.   Within days the video started generating buzz and recieved millions of views.
Hours after uploading the video that would go viral and make Tay-K a household name, Tay-K and a fellow fugitive were arrested in Elizabeth, New Jersey. The small city with close proximity to Manhatten is 1,576 miles from his hometown Denton and 1,815 miles from the scene of the Chick Fil A murder. U.S. Marshall's identified that Tay-K was in the proximity and made the arrest without incident. News outlets in New York and Texas alike picked up the story and reported on the teenager's crimes, it would be several days before they would start ackowledging his rap career. Tay-K was immediatly transported back to Texas' juvenile court and transferred into adult prison on July 21, 2017.
Once word got out of Tay-K's arrest back home, the hashtag #FREETAYK began to trend in the Dallas area and along with it his video. By mid July, The Race had charted on Billbord's Hot 100 and recieved more 10 million plays on Youtube. It caught the attention of the rappers Fetty Wap, 21 Savage, Tyga, and Lil Yachty, who all made remixes to the song. In September, his mixtape #SantanaWorld was leaked and then re-released in December under the RCA Records imprint 88 Classic. Since then it is estimated that Tay-K has earned as much as $700,000 while behind bars. The Race was named the best song of 2017 by The Fader Magazine and was certified platinum by RIAA in January 2018. Tay-K was denied bond in his hearings and resides in Tarrant County Corrections Center, where he is awaiting trial and will be tried as an adult for his crimes.


PLANET SICK-BOY: http://www.sick-boy.com
Disney's annual summer animation extravaganza begins promisingly there's no annoying Mickey Mouse cartoon and about ten minutes of fantastic-looking action with no dialogue or song. But it can't keep up the pace and it fails to generate the laughs that adults have enjoyed in Disney's past two summer hits, Mulan and Hercules.
Don't get me wrong it's certainly not a bad film. Disney and screenwriter Tab Murphy (The Hunchback of Notre Dame) do an admirable job of adapting the classic Edgar Rice Burroughs novel. The script pulls no punches and might actually be a bit jarring and melancholy for the youngsters. And old-timers beware - this ain't your father's Tarzan.
The infant Tarzan (voiced by Alex D. Linz, Home Alone 3) and his parents land on a deserted island after narrowly escaping death on a flaming ship. They quickly build a remarkable treehouse (a la Swiss Family Robinson) and seem fairly content spending their lives in their remote surroundings. But one day, a bloodthirsty leopard slays both parents, leaving the tot to be discovered by Kala (Glenn Close, 101 Dalmatians), a gorilla that ironically lost her only child to the same deadly feline.
When Kala brings the human child home to the tight-knit gorilla community, she is met with great resistance especially from her husband and primate leader, Kerchak (Lance Henriksen, Millenium). The boy grows up feeling like an outcast, but is able to befriend a similarly aged gorilla named Terk (annoyingly voiced by nasally K-Mart pitch-person and media whore Rosie O'Donnell) and a bumbling elephant, Tantor (Wayne Knight, Seinfeld's Newman).
Years later, an older and more chiseled Tarzan (Tony Goldwyn, Kiss the Girls) turns everything around when he saves Kerchak's life after the savage leopard attacks the patriarchal figure. In an instant, Tarzan becomes a man, unknowingly avenges the death of his birth parents, wins the affection of Kerchak and develops his trademark yell. But the excitement doesn't stop there. Almost immediately after dispatching the deadly leopard, the jungle is jolted by the sound of gunfire. There are visitors on the island!
Of course, the visitors include Jane (Minnie Driver, An Ideal Husband), the girl who would be Mrs. Tarzan. Almost instantly, she strays from her three-party group father Porter (Nigel Hawthorne, The Winslow Boy) and trigger-happy bad guy Clayton (Brian Blessed, Boss Nass in Episode One) and quickly finds herself being chased by a bunch of angry baboons. Tarzan saves her and realizes that Jane is more like him than his monkey brethren.
Having not been trained in human social skills, Tarzan shocks Jane by first mimicking her and then violating her `personal boundaries' by looking up her dress and jamming his head between her perky Disney breasts. Needless to say, the two hit it off and Tarzan even considers leaving the island to return home with Jane. If she had simply put out, he probably would have gone with her, leaving the film with a completely different ending.
Tarzan was directed by Chris Buck (his debut) and Kevin Lima (A Goofy Movie) and features new music from former Genesis frontman Phil Collins. His songs replace the big, flashy musical numbers that usually plague Disney toons, leaving precious little time to develop any semblance of a story. But that isn't the case here the absence of singing characters is welcomed in any film. (1:30 Rated G, but contains some seriously depressing and violent scenes)
The review above was posted to the
rec.arts.movies.reviews newsgroup (de.rec.film.kritiken for German reviews).
The Internet Movie Database accepts no responsibility for the contents of the
review and has no editorial control. Unless stated otherwise, the copyright
belongs to the author.
Please direct comments/criticisms of the review to relevant newsgroups.
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Related links: index of all rec.arts.movies.reviews reviews


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Victory!
Congratulations, you have finished the tutorial and have now unlocked "Play" mode!
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Posted February 2nd 2017 13:30 PM
The news that Ben Affleck would be directing the solo batman movie excited fans so to hear that he has dropped out of directing, has rightly made those same fans nervous for the future of the film.
Other movies like the flash have had directors sign on and leave more than once.
But after a few weeks it seems that the problem has been sorted out.
Warner Bros have found another director to helm the Movie in Matt Reeves(Director of Both Dawn and War for the Planet of the Apes.)
Posted March 10th 2017 13:49 PM
According to the trailer as seen above the fifth movie in the pirates of the carribean series will be the last. Personally i do not mind that it is the the last despite liking the first 3.these movies do make a lot of money for disney so to stop making them is a bold move. maybe because they have both star wars and marvel movies coming out each year they can afford to end the film series.


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Summary - functional program is an approach to programming that lists all codes in a step-by-step way, mixing up data (variables) and behaviours (functions) as and when they occur in the chronological process.
Functional programming evaluates mathematical functions via expressions. Pure functional programming eliminates "side effects" (i.e. changes on the state that do not depend on function inputs), so it can be much easier to understand and predict, as the same functions when re-applied result in the same value. As such, it describes a desired result, commonly referred to as "declarative programming".
Functional programming is believed to have evolved out of lamda calculus, "a formal system of mathematical logic and computer science for expressing computation based on functions... and variables... " (Wikipedia).
It was created to support the functional or procedural approach to problem-solving, which details every step a computer must take to achieve a goal (also called "algorithmic programming"). It's akin to a long procedure sheet of code which mixes up data and behaviours throughout.
You define carefully the input to each function and what each function returns.. It's a form of declarative programming.
Because each function is specifically designed to perform a specific task given its arguments, it is easy to read and maintain.
And because of this readability and ease of maintenance, it is also easier to iterate with new designs, whereby functions can be tested in isolation.
Haskell, Miranda, Clean.
Summary - object-orientated (OO) programming is an approach to programming that separates different steps into self-contained units, containing data (variables) and behaviours (methods) that relate to that unit only. It's essentially a program of mini-programs.
OO programming is believed to be an off-shoot from procedural programming. It is built on the concept of self-contained units, called "objects", whereby data (variables) and its behaviour (functions) are encapsulated - this means the actions of one object cannot interfere with those of another (unless specifically manipulated to do so).
By hiding this data not directly accessible by other parts of the program, methods are required to enable encapsulated data to be accessed (and manipulated). These objects point back to classes, which are designed in "class hierarchies".
Classes are ideas, blueprints or concepts that facilitate the creation of these objects (they are akin to sets and subsets arising from Set Theory, in mathematics). Other key principles include:
OO programming is particularly useful for when there is a fixed set of operations for a program. It facilitates the addition of new mini-programs to the original program. For instance, new classes (in-built or developer-created) can be added to implement existing or new methods.
Ruby, Python, Javascript, Perl, PHP and Objective-C.


Corrected errors in assertElementsAlmostEqual and assertVectorsAlmostEqual related to NaN and Inf inputs. assertElementsAlmostEqual now properly asserts when one input is finite and the other is infinite. assertVectorsAlmostEqual now asserts whenever any input element is NaN or infinite. The behavior of xunit.utils.compareFloats has been changed to match.
Remove the LICENSE.txt file because the open source BSD license is now supplied automatically by the MATLAB Central File Exchange. There are no functional changes in this version.
This release fixes a bug with assertVectorsAlmostEqual when the caller provided a custom message. When the function errored out because the tolerance was exceeded, the function would issue a different error message than expected.
This release fixes a problem when calling mtest with no input arguments. Previously, it was not limiting its test-case discovery to TestCase subclasses and ordinary M-files beginning with "test" or "Test" as documented.
This release also integrates the MTEST documentation with the MATLAB Help Browser.
This release adds new tools for performing floating-point comparisons. Using the new assertion functions assertElementsAlmostEqual and assertVectorsAlmostEqual, you can perform both absolute and relative tolerance comparisons, either elementwise or in a vector L2-norm fashion.
The previous floating-point comparison function, assertAlmostEqual, is still available, but its use is discouraged.
This release, the first to be posted on the MATLAB Central File Exchange, includes a refactoring of TestCase and TestSuite to use the composite design pattern. Both classes now subclass the abstract class TestComponent, and the individual items contained in a TestSuite object are TestComponent objects. That means a TestSuite object can contain both TestSuite objects and TestCase objects.
TestSuites are now built up hierarchically. All the test cases in a subfunction-based test M-file become a test suite, which in turn can be part of a test suite for an entire test directory.
The mtest driver function can now take the name of a directory, in which case it will automatically discover and run all the test cases in that directory.
The old TestRunObserver class has become the abstract TestRunMonitor class, with subclasses TestRunLogger and CommandWindowTestRunDisplay.
TestCaseInDir has been modified to do a directory change before executing the test case. The new class TestCaseWithAddPath makes a temporary path addition before executing the test case.
Subfunction-based test M-files written for one of the alpha versions of MTEST need to be revised so that the output variable name is "test_suite", and so that the first line of code calls the script "initTestSuite".
This release is an extensive update that provides simpler ways of writing and running test cases.


| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 | 1x 1x 1x 1x 1x 1x 1x 5x 5x 6x 6x 6x 6x 6x 6x 5x 5x 5x 6x 5x 5x 1x 1x 1x 1x 1x 1x | /*! * The MIT License (MIT) * * Copyright (c) 2018 Mark van Seventer * * Permission is hereby granted, free of charge, to any person obtaining a copy of * this software and associated documentation files (the "Software"), to deal in * the Software without restriction, including without limitation the rights to * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of * the Software, and to permit persons to whom the Software is furnished to do so, * subject to the following conditions: * * The above copyright notice and this permission notice shall be included in all * copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ // Strict mode. 'use strict' // Standard lib. const path = require('path') // Package modules. const bubbleError = require('bubble-stream-error') const sharp = require('sharp') const urlTemplate = require('url-template') // Local modules. const queue = require('./queue') // Configure. const EXTENSIONS = { dz: '', // Determined by tile.container. jpeg: '.jpg', png: '.png', tiff: '.tiff', webp: '.webp' } // Exports. module.exports = { // Convert a list of files. files: (input, output) => { const template = urlTemplate.parse(output) // Parse output template. // Process files. const promises = input.map((src) => { // Destination. src = path.resolve(src) // Absolute path. let dest = template.expand(path.parse(src)) // Path separator for windows is encoded by url-template. // @see https://github.com/vseventer/sharp-cli/issues/8 Iif (process.platform === 'win32') { dest = dest.split('%5C').join(path.sep) } // Absolute path. dest = path.resolve(dest) // Process file. const transformer = queue.drain(sharp(src)) // If output was not a template, re-use source name. if (output === dest) { const defaultExt = path.extname(src) const desiredExt = transformer.options.formatOut dest = path.format({ dir: output, name: path.basename(src, defaultExt), ext: desiredExt in EXTENSIONS ? EXTENSIONS[desiredExt] : defaultExt }) } // Save to file. return transformer .toFile(dest) .then((info) => Object.assign(info, { src: src, path: dest })) }) return Promise.all(promises) }, // Convert a stream. stream: (inStream, outStream) => { return new Promise((resolve, reject) => { const transformer = queue.drain(sharp()) // Pipe, and return as promise. bubbleError(inStream, transformer, outStream) inStream.pipe(transformer).pipe(outStream) outStream.once('error', reject) outStream.on('finish', resolve) }) } } |


{% extends "base.html" %} {% block title %}404 Here Be Dragons{% endblock %} {% block head %} {% endblock %} {% block content %}
— Donald Rumsfeld
Reports that say that something hasn't happened are always interesting to me, because as we know, there are known knowns; there are things we know we know. We also know there are known unknowns; that is to say we know there are some things we do not know. But there are also unknown unknowns – the ones we don't know we don't know. And if one looks throughout history ... it is the latter category that tend to be the difficult ones.


--- layout: default title: Brigs Code ---
Below the links for my two assignments:
The first model contains the code that I learnt from the practical units on this course.
On the Assignment2. link you can download my model which is built from scratch
and follows the instructions of one of the project ideas on the website


Setup an Otoroshi cluster
In this tutorial, you create an cluster of Otoroshi.
Summary
- Deploy an Otoroshi cluster with one leader and 2 workers
- Add a load balancer in front of the workers
- Validate the installation by adding a header on the requests
Let’s start by downloading the latest jar of Otoroshi.
curl -L -o otoroshi.jar 'https://github.com/MAIF/otoroshi/releases/download/v16.8.0-dev/otoroshi.jar'
Then create an instance of Otoroshi and indicates with the otoroshi.cluster.mode
environment variable that it will be the leader.
java -Dhttp.port=8091 -Dhttps.port=9091 -Dotoroshi.cluster.mode=leader -jar otoroshi.jar
Let’s create two Otoroshi workers, exposed on :8082/:8092
and :8083/:8093
ports, and setting the leader URL in the otoroshi.cluster.leader.urls
environment variable.
 The cluster is now configured, you can see the 3 instances and some health informations on each instance.
To complete our installation, we want to spread the incoming requests accross otoroshi worker instances.
In this tutorial, we will use haproxy
has a TCP loadbalancer.
But first, we need an haproxy configuration file named haproxy.cfg
with the following content :
frontend front_nodes_http
bind *:8080
mode tcp
default_backend back_http_nodes
timeout client 1m
backend back_http_nodes
mode tcp
balance roundrobin
server node1 host.docker.internal:8092 # (1)
server node2 host.docker.internal:8093 # (1)
timeout connect 10s
timeout server 1m
and run haproxy with this config file
- no docker
-
haproxy -c -f ./haproxy.cfg
- docker (on linux)
-
docker run -p 8080:8080 -v $(pwd)/haproxy.cfg:/usr/local/etc/haproxy/haproxy.cfg:ro --add-host=host.docker.internal:host-gateway haproxy
- docker (on macos)
-
docker run -p 8080:8080 -v $(pwd)/haproxy.cfg:/usr/local/etc/haproxy/haproxy.cfg:ro haproxy
- docker (on windows)
-
docker run -p 8080:8080 -v $(pwd)/haproxy.cfg:/usr/local/etc/haproxy/haproxy.cfg:ro haproxy
The last step is to create a route, add a rule to add, in the headers, a specific value to identify the worker used.
Create this route, exposed on http://api.oto.tools:xxxx
, which will forward all requests to the mirror https://mirror.otoroshi.io
.
curl -X POST 'http://otoroshi-api.oto.tools:8091/api/routes' \
-H "Content-type: application/json" \
-u admin-api-apikey-id:admin-api-apikey-secret \
-d @- <<'EOF'
{
"name": "myapi",
"frontend": {
"domains": ["api.oto.tools"]
},
"backend": {
"targets": [
{
"hostname": "mirror.otoroshi.io",
"port": 443,
"tls": true
}
]
},
"plugins": [
{
"enabled": true,
"plugin": "cp:otoroshi.next.plugins.AdditionalHeadersIn",
"config": {
"headers": {
"worker-name": "${config.otoroshi.cluster.worker.name}"
}
}
}
]
}
EOF
Once created, call two times the service. If all is working, the header received by the backend service will have worker-1
and worker-2
as value.
curl 'http://api.oto.tools:8080'
## Response headers
{
...
"worker-name": "worker-2"
...
}
This should output worker-1
, then worker-2
, etc. Well done, your loadbalancing is working and your cluster is set up correctly.


Aigg HTML Template
Responsive CSS Grid HTML Template Wireframe
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AIGG HTML TEMPLATE v.1.03
Yet Another HTML Template?
Or why I stopped searching and rolled my own (html template).
As it turns out, one often needs an HTML template for any number of reasons. Well, I do anyway. About the third time I searched for "Modern CSS Grid HTML Template" or "CSS Grid WireFrame 2021" I decided to standardize my efforts. This template is the end result.
Template Status:
Believe it if you need it:
If you need a CSS Grid starter template you could do worse than grabbing this one. It almost validates and has a clean, somewhat unique layout, if I do say so myself. This is what a (href, heh :) link looks like then...
Testing, 2, 3..:
Is this thing on?
That form is a much longer than the other columns on this ole' laptop then. I don't know if that matters much; except for appearance sake.
-
Here's a Nice Form Then
-
Photos From Unsplash:
Sell the steak not the sizzle:
- CSS Grid: For The Win
- Bootstrap Ideas: Forms and Margins
- Responsive First: Mobile Goodness
- Small: Less than 100k
- Fast: 90% + Percentile Lighthouse
- Tested: Ah Yes...
- Valid: Well Mostly Valid
- Lisp Inspired Columns are list items?
- Version: 1.03
- Contact: @aiggdev
Description List Details:
- Why Not Just Use Bootstrap
- I love Bootstrap. I do. But it is large and I do not like **all** that grid business when CSS Grid is **so** much more efficient and elegant.
- Bootstrap Forms
- All credit to bootstrap for the CSS for the forms elements. The CSS file itself credits Bootstrap for the styling of the form elements but beyond that I often use the Bootstrap approach to validation as well.
- This is Not Bootstrap Compatible
- All that being said, this is not a Bootstrap template and is not Bootstrap compatible. I have simply used a few of the items that I feel they do very well and incorporated them into my own CSS Grid based HTML Template.


Laura Kuenssberg to front ‘frank and insightful’ BBC Brexit documentary
The BBC’s political editor said ‘there’s no spoiler, because only a fool would predict the finale’.
The BBC’s political editor Laura Kuenssberg will take viewers behind the scenes of the ongoing Brexit drama in a new documentary.
The hour-long BBC Two film is slated to detail the “many and various twists and turns of the past few chaotic months”.
It will cover Boris Johnson securing the leadership of the Conservatives and becoming Prime Minister, plus the upcoming General Election.
Kuenssberg’s role as one of the country’s leading political journalists will be charted in the documentary, which will highlight her access to the Prime Minister, his Cabinet and the top politicians who oppose him.
With a working title of Inside Brexit: The Battle Continues with Laura Kuenssberg, the BBC said the programme will reveal “frank and insightful moments” from the politicians involved in the divisive and often emotional drama of Brexit.
Kuenssberg said: “Love or hate Brexit, it’s changing our lives. This programme is a chance for viewers to live and breathe the political story of our times on our camera’s shoulder.
“There’s no spoiler, because only a fool would predict the finale and the ultimate victor in the race for power and to stop or deliver Brexit.”
It’s an opportunity to capture history being made and to give the audience a unique insight into how the crazy world of politics and the media workExecutive producer Neil Breakwell
With the General Election on December 12 and the future of Brexit and Mr Johnson’s premiership in the balance, the BBC added: “This documentary will act as a film of record for the most unpredictable, important and exciting political story of our age.”
Executive producer Neil Breakwell said: “Filming with Laura on such a momentous story is an exhilarating experience.
“It’s an opportunity to capture history being made and to give the audience a unique insight into how the crazy world of politics and the media work.”
Mr Breakwell is the head of topical programmes at October Films, which is producing the documentary.


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Tech Blog Week 5
BootCoder
Class Act
Classes are a great way to create similar objects in Ruby, or to group related functions together under one roof.
Making your own is super easy just:
class Dog
end
Fido = Dog.new
Pretty basic stuff really.
Each time you create a new Dog from the class they should receive certain pre-defined traits. Let's add some in using the initialize method.
class Dog
def initialize(name, breed)
@name = name
@breed = breed
end
end
Fido = Dog.new("Fido","Corgi")
The @ symbol in front of the variables denotes it as an instance variable.
An instance variable is available across functions within a class.
Lastly, let's throw in a method to demonstate class functionality.
class Dog
def initialize(name, breed)
@name = name
@breed = breed
end
def speak
puts "#{@name} says Woof Woof"
end
end
Fido = Dog.new("Fido","Corgi")
Fido.speak
=> Fido says Woof Woof


Diamond
$25/month
billed $180 annually
-
Unlimited booking transaction
-
24/7 Technical Support
-
Unlimited Staff schedules
-
iOS & Android App
-
Online Payments
-
Customized Notificaations
-
Google Calendar Sync
-
Outlook Calendar Sync
-
Remove Visual Impact Logo
-
Create and manage 5 retail locations
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Manage Sales Report
-
Professional HRM
-
Internal MailBox and Chatting
-
Go Pro


| Entry |
Definition |
| DQM_ValueStructure_bag |
finite, unordered collection of related items (objects or values) that may be repeated (ISO 19107:2003) |
| DQM_ValueStructure_set |
unordered collection of related items (objects or values) with no repetition (ISO 19107:2003) |
| DQM_ValueStructure_sequence |
finite, ordered collection of related items (objects or values) that may be repeated (ISO 19107:2003) |
| DQM_ValueStructure_table |
an arrangement of data in which each item may be identified by means of arguments or keys (ISO/IEC 2382-4:1999) |
| DQM_ValueStructure_matrix |
rectangular array of numbers (ISO/TS 19129:2009) |
| DQM_ValueStructure_coverage |
feature that acts as a function to return values from its range for any direct position within its spatial, temporal or spatiotemporal domain (ISO 19123:2005) |


MIDI Control, used in Control Change messages.
In MIDI, Control Change messages are used to influence various auxiliary "controls" on a device, such as knobs, levers, and pedals. Controls are specified with integers in [0..127]. This enum provides an incomplete list of controls, because most controls are too obscure to document effetively here. Even for the ones listed here, the details of how the value is interpreted are arcane. Please see the MIDI spec for details.
The most commonly used control is SustainPedal, which is considered off when < 64, on when > 64.
This enum has extension methods, such as Name and IsValid, defined in ControlExtensionMethods.
| Member Name | Description |
|---|---|
| ModulationWheel | General MIDI Control--See MIDI spec for details. |
| DataEntryMSB | General MIDI Control--See MIDI spec for details. |
| Volume | General MIDI Control--See MIDI spec for details. |
| Pan | General MIDI Control--See MIDI spec for details. |
| Expression | General MIDI Control--See MIDI spec for details. |
| DataEntryLSB | General MIDI Control--See MIDI spec for details. |
| SustainPedal | General MIDI Control--See MIDI spec for details. |
| ReverbLevel | General MIDI Control--See MIDI spec for details. |
| TremoloLevel | General MIDI Control--See MIDI spec for details. |
| ChorusLevel | General MIDI Control--See MIDI spec for details. |
| CelesteLevel | General MIDI Control--See MIDI spec for details. |
| PhaserLevel | General MIDI Control--See MIDI spec for details. |
| NonRegisteredParameterLSB | General MIDI Control--See MIDI spec for details. |
| NonRegisteredParameterMSB | General MIDI Control--See MIDI spec for details. |
| RegisteredParameterNumberLSB | General MIDI Control--See MIDI spec for details. |
| RegisteredParameterNumberMSB | General MIDI Control--See MIDI spec for details. |
| AllControllersOff | General MIDI Control--See MIDI spec for details. |
| AllNotesOff | General MIDI Control--See MIDI spec for details. |
Namespace: Midi
Assembly: Midi (in Midi.dll)


Accelerator Division
Operations
ACNET (ACcelerator NETwork) is the hardware and software infrastructure for reading from and making changes to the accelerators.
Raspberry Pi
Python running on Linux
Arduino
Arduino flavor of C
Self-moderating question-and-answer site


How it will work?
- A backend service will get data from Calibre Web RSS feed such as http://ebooks.tollkuci.com:8080/opds/navcatalog/4f6e6577657374. The data will be cached in some intermediate layer.
- Web (responsive) UI will allow the user to create account/sign in, connect with the calibre UI and then create reading lists from their books. Also they will be able to manage their progress.
- Mobile app will also be developed that will use REST services in server and provide similary features as the website.
Technical details
- Website will be developed using ASP.NET MVC and pure.css frameworks.
- Mobile apps will be developed using Ionic Framework
- REST services to be decided
- Database to be decided
- To work on the project you will need Visual Studio 2015 and Ionic 2 apps for Visual Studio (check out https://taco.visualstudio.com/en-us/docs/tutorial-ionic2/ )
Licensing
Licensing
- Project is hosted in GitHub and is open source (MIT License)
- Website and mobile apps will be free.
- It is using:
- https://opds4net.codeplex.com/ - MIT License