openings
We are always looking for talented people to join our team
Huawei's London AI Research Center is part of the wider Noah's Ark Laboratory, with offices in Hong Kong, Shenzhen, Beijing, Toronto, London, Paris, among others. Research areas of the lab mainly include machine learning, data mining, computer vision, speech and language processing, information and knowledge management, internet of things, and intelligent devices.
If you would like to work with us in the Enhanced Imaging Group (London Research Centre) and conduct research towards AI-driven innovative camera systems we are always looking for outstanding candidates, and we generally have the following open positions available:
- Research Associate: After completion of the PhD program, similar to a Postdoctoral position in mainland Europe.
- Research Intern: You should be enrolled in a PhD program already, and duration is typically 6 months. You will be working with a Research Scientist in one of our research projects, ideally writing up a paper submission as part of your work.
Applicants should have:
- Strong mathematical background
- Strong programming skills (Python, tensorflow, pytorch)
- Publications in relevant conferences (e.g. CVPR, ICCV, ECCV, Siggraph, NeurIPS, ICML)
- Knowledge/experience in computer vision
- Knowledge/experience in deep learning
- Knowledge/experience working within the neural rendering and computational photography domain (e.g. denoising, HDR imaging, RAW processing) is desired but not a must
- Strong interest in our research areas (3d photography, intelligent imaging, HDR imaging)
If you would like to get more information about these openings or ultimately start the application process please contact me via email () and include a CV with a full publication list when relevant.


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Momella Gate (1,500m/4,921’) –> Mariakamba Hut (2,514m/8,250’)
After breakfast you will be picked up from your hotel in Arusha and transfer to Arusha National Park where you will do all the park entrance formalities at the Ngongongare Gate. After completing all formalities you will walk under the Momella Gate to begin your trek. You will walk over Ngare Nanyuki River and soon pass open grassland where you can see Buffalo, Warthogs, Giraffes and sometimes Elephants. You will continue with a steady climb through the Montane forest. In the afternoon you will pause for enjoy a picnic lunch and later continue through the less dense forest where you can spot birds and monkeys including the Black & White Colubus monkey. By mid afternoon you will have closer views of Meru’s towering cliffs and Ash Cone. You will arrive at the Mariakamba Huts for dinner and overnight.
Mariakamba Huts
The Huts are situated in an idyllic grassy glade and clients will reach in time to enjoy the afternoon sun and beautiful views over the surrounding plains between Mt. Meru and Mt. Kilimanjaro. If clients are lucky they may see some animals walk through the Mariakamba Huts.
Mariakamba Huts (2,514m/8,250’) –> Saddle Huts (3,570m/11,712’)
We leave the Mariakamba Huts just after breakfast and ascend steeply to the crater rim which is called Elephants Ridge (In Swahili; Ngongo wa Tembo). Follow a steep path through attractive open lush Montane Forest to reach the giant heather in the moorland near the saddle between Little Meru and Meru. A hot lunch will be ready for you when you arrive at the Saddle Huts. You will have the afternoon free to rest and enjoy the views, but energetic trekkers can make the short climb to the nearby summit of Little Meru (3,820m/ 12,533’) for superb views just before sunset.
Saddle Hut
From Saddle Hut the peak of Little Meru can reached in approximately an hour and offers impressive and imposing views of the summit and the sheer cliffs of the crater's inner walls. At this location which displays vast prairies and bushes, you will find them regrouped to face the cold and wind. At night, the sky is covered with thousands of stars and you can admire the famous Southern Cross and hear the distant cries of jackals. The next morning, you can not miss the presence of buffalos, or elands.
Saddle Huts (3,570m/11,712’) –> Summit (4,565m/14,977’)
After an early start with tea and biscuits, you will leave for the summit at 02:00 hrs. By torchlight, you will follow the trail through bush land to the so-called Rhino Point (3821m) in which the path turns into a little more challenging trek with occasional light climbs. You will follow the north ridge to the summit on which you walk on ground alternating between lava ash and rock. After approx. 4 - 5 hours, you will have the summit and the Tanzanian flag in your sights. From the summit, you will be able to enjoy the sun rising above Kilimanjaro and the fantastic view of Mount Meru's crater with its steep sides and the "Ash Cone" in the middle. The descent follows the same route back to Saddle Hut (3550m) where you will take a well-deserved break and recuperate with hot soup and tea. Once refreshed, you will continue with the descent. During the early afternoon, you will reach Miriakamba Hut (2500m) - tired but happy. At this hut, you can rest a bit and think about the last stage that you have left. After the rest you will follow a 2 - 3 hour trek over the so-called 'Northern Route' back to Momella Gate. The descent is shorter than the ascent but there is still the chance to see elephants, buffalos, giraffes as well as the black and white columbus monkeys.


The functions in this section perform a global reduce operation (such as sum, max, logical AND, etc.) across all the members of a group. The reduction operation can be either one of a predefined list of operations, or a user-defined operation. The global reduction functions come in several flavors: a reduce that returns the result of the reduction at one node, an all-reduce that returns this result at all nodes, and a scan (parallel prefix) operation. In addition, a reduce-scatter operation combines the functionality of a reduce and of a scatter operation.


Learn more about what I do
I am a Software Developer with two years of professional experience at Accenture and more than six years of experience in Object Oriented Programming. Currently I’m working as an Associate Software Engineer at Caterpillar Inc for the Innovation and Technology Development division. I completed my Masters at the University of Cincinnati in Computer Engineering and I am proficient in building Java applications and Eclipse Pluglets, writing build scripts(novice) using Ant and Maven, Source control using Git and Dependency management using Apache Ivy.
I have completed 32 credit hours of coursework which included Large Scale Software Design, Operating Systems, Computer Architecture, Advanced Microsystem Design, Embedded Systems, Wireless Networks, Effectiveness in Technical Organization and Innovation and Thinking Design. Apart from my coursework, I was involved in independent projects and hackathons where I won the title of "Most Popular Hack" at RevolutionUC conducted by Major League Hacking.
As an undergraduate student, I took courses on Software Development like Data structures, Algorithms, Objected Oriented Design & Databases. In my tenure, I was engaged in different workshops, tech talks, and certifications where I developed my technical & interpersonal skills.
Developed a API with Authentication using JSON Web Tokens strategy and secured the endpoints with PassportJS. Created Mongoose schema and stored the user data on MongoDB server. Used bcrypt password hashing function to convert the plain text password.
View ProjectDesigned interfaces and used Collaborative filtering technique using curated recommendations pulled from Twitter. Developed an algorithm for filtering data by Year, Genre, Directors, and multiple fields using an efficient database design. Calculated how similar a given rater is to another user based on ratings & recommend movies to a user based on ratings.
View ProjectDeveloped Alexa skills using AWS Lambda with Node JS and used DynamoDB to store the data. We also tested AlchemyAPI of IBM Watson for Natural Language Understanding.We created intent schemas and utterances to recognize the speech from the user and used Node Red service in the backend with HTTP request.
View ProjectOnline application to calculate monthly incomes and expenses. Used HTML5, CSS3, JavaScript with DOM manipulation and exploit the power of IIFE & Function Constructor.
View Project


Welcome.
This is the
Labs Platform
, the interface to the ecosystem that facilitates the organization's:
Accounts Engine
Engagement Infrastructure
Cross-Product Resources
Organizational Information
Routes
Source
Made with
by
Penn Labs


4. Design
4.6 Cross-Database Issues
JDBC specification was created by Sun to provide a uniform
way of connecting to relational databases from the Java code.
In theory this should allow Java developer to create database-aware
code that is portable across RDBMS vendors. In reality this is only partially
true. While providing universal connectivity, JDBC doesn't handle
certain portability issues. The following problems
remain when developing with JDBC:
- There is no fully standard-compliant databases (even though all
of them claim to be). Certain "standard" features may not be implemented
in some RDBMS.
- SQL syntax may vary across RDBMS. Things like outer join queries,
database objects creation, BLOB handling, etc. are handled differently
by different vendors.
- Data type definitions vary across RDBMS. Data types may have different
names, size and precision.
- Vendors provide their own extensions of SQL and JDBC functionality.
Taking advantage of these extensions and creating portable code at the
same time is not a trivial task.
This becomes even a bigger problem in a generic product like Cayenne that should
support any database. Cayenne addresses this issue by providing a DbAdapter
for each supported database engine.
4.6.1 DbAdapter Design Overview
Each DataNode (as mentioned before, DataNode models a physical datasource)
has an assocaited instance of DbAdapter.
DbAdapter is delegated certain tasks. Here is a schematic representation of DataNode,
DbAdapter and JDBC layer working together:
Most common functions of DbAdapter are to:
A generic implementation of DbAdapter is
JdbcAdapter.
Database-specific implementations usually subclass JdbcAdapter.
4.6.2 Non-SQL Adapters.
Since DbAdapter serves as a factory of DataNodes, it is possible to implement adapters to non-JDBC and even non-SQL
data sources, such as XML feeds, LDAP, flat files, etc.
4.6.3 Porting Cayenne to a New RDBMS
To Be Done...
|


Beauty In Motion
We need to save this beauty while we can!
Wild horses are some of our last existing free spirits. Their homes are Herd Management Areas, designated by the Federal Land Policy Management Act or FLPMA. See the map below for their current designated homes. As you can see, a real threat exists for these wild and free spirits. Fracking companies, searching for crude oil and natural gas, using their big drill and fragmentation process destroy the lands they touch.
Now these "Big Energy" companies are trying to encroach on these preserved lands to fill their greedy pockets with more "black gold". These beautiful animals are quickly losing this fight against the fracking companies, for they don't have a voice to speak out with. As you can see these horses already don't have a lot of space, so they need our help to keep what they have to stay free. We can't let "Big Energy" take any more land away from these innocent animals.
For more information of big energy companies devastaing these herd areas, click on this Info link or the one at the top of the page.


Form
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Grid
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Wheat sowing area down by 23% this rabi season; Punjab, MP top laggards
Area sown to most rabi crops remained lower in this rabi season, which begins from October
by Press Trust of IndiaWheat sowing continued to lag by 23 per cent at 32.98 lakh hectare in the ongoing rabi (winter) season so far compared to the previous season due to a significantly lower coverage in Punjab and Madhya Pradesh, according to the Agriculture Ministry's data released on Friday.
Area sown to most rabi crops remained lower in this rabi season, which begins from October.
Wheat, the main rabi crop, was sown in 32.98 lakh hectare area so far this season as against 42.80 lakh hectare in the year ago period, the data showed.
Total wheat area was lower as the crop in Punjab was sown in only 7.81 lakh hectare so far in the current rabi season against 14.68 lakh hectare in the last season.
In Madhya Pradesh, farmers planted wheat crop in 5.34 lakh hectare area this year so far against 9.20 lakh hectare in the last year.
Among other rabi crops, area under pulses remained lower at 45.60 lakh hectare against 54.20 lakh hectare, while that of oilseeds at 46.12 lakh hectare against 47.36 lakh hectare in the year-ago period.
Rice was sown in 6.27 lakh hectare area so far this season against 6.51 lakh hectare in the year-ago period.
Coarse cereals were sown in 46.12 lakh hectare as against 47.36 lakh hectare in the said period.
Total area sown to all rabi crops remained lower at 148.23 lakh hectare so far this season, compared to 167.68 lakh hectare in the year-ago period.


influentialreality.com
Levi's AR App
start experience
VR
: Hand controllers and teleport with trigger.
Desktop
: Keyboard (WASD/arrows) and mouse.
Mobile
: Gaze cursor and teleportation.


|
CubeAnimator
An animation tool for cube map to fisheye conversion.
|
#include <mainwidget.h>
Public Slots | |
| void | setEditorRange (int frameNum) |
| void | save () |
| void | saveAs () |
| void | load () |
Public Member Functions | |
| MainWidget (QWidget *parent=0) | |
Protected Attributes | |
| CubeMapPreview * | preview |
| A pointer to the real-time fisheye preview module. See CubeMapPreview. | |
| CubeMapLoader * | loader |
| A pointer to the cube maps loader module. See CubeMapLoader. | |
| CurveEditor * | curveEditor |
| A pointer to the interpolation curve editor module. See CurveEditor. | |
| IOWidget * | importExport |
| A pointer to the rendering settings module. See IOWidget. | |
| TimeLine * | timeLine |
| A pointer to the timeline module. See TimeLine. |
The main widget initializes all the modules of the application and handles project saving and loading from the File menu.
| MainWidget::MainWidget | ( | QWidget * | parent = 0 | ) | [explicit] |
Main widget constructor. Creates and initialize the different modules of the interface and arrange them in a layout.
| parent | A pointer to the parent QWidget (The main window) |
| void MainWidget::load | ( | ) | [slot] |
Opens a file dialog for the user to select a JSON file and load the project. At the moment, all unsaved changes will be lost.
| void MainWidget::save | ( | ) | [slot] |
Save the current project to a JSON file. The previous saved file will be overwritten. However, if it is the first time the project is saved, saveAs() will be called instead.
| void MainWidget::saveAs | ( | ) | [slot] |
Opens a file dialog and saves the current project to a JSON file.
| void MainWidget::setEditorRange | ( | int | frameNum | ) | [slot] |
Change the range of frames displayed by the Curve Editor graph.
| frameNum | An integer value of the number of frame to show. |


About
I'm Shaurya Choudhary, an adept learner exploring the depths of technology. I am a 3rd year undergrad at VIT, Vellore, majoring in Computer Science and Engineering (CSE). I have a great knowledge grasp of Data Structures & Algorithms, and I'm particularly dedicated in the domain of Data Science and Web Development.
Software Developer.
This website is just a portal to share my experiences and ideas.
- Birthday: 26 Dec 2000
- Website: shauryasrc.com
- Phone: +91 94242 59784
- College: Vellore Institute of Technology
- Age: 20
- Degree: B.Tech (CSE)
- Email<EMAIL_ADDRESS>- City: Vellore, TN, India
“When something is important enough, you do it even
if the odds are not in your favor."
- Elon Musk
Facts
I'm just an array of particles in this cosmic arena, proudly increasing its entropy. Life is meaningless, nobody belongs anywhere, everyone's gonna die. And the plan is to do something of no less than minute significance in this vast ever-expanding universe.
Days on this planet
Projects
Online Certificates
Published Journal
Skills
It's the will, not the skill!
Resume
Download my latest resume from here.
Sumary
Shaurya Choudhary
Innovative and deadline-driven Software Engineer student pursuing 3rd year Bachelor in CSE at VIT, Vellore. With a knack for competitive coding and data driven projects, this guy is an enthusiastic learner.
- VIT, Vellore, Tamil Nadu
- (+91) 94242-59784
-<EMAIL_ADDRESS>Education
Bachelor of Technology, CSE
2018 - 2022
Vellore Institute of Technology, Vellore (T.N.)
Higher Secondary School, PCM
2016 - 2018
DAV Public Schoool, Kota (Rajasthan)
Middle School
2004 - 2016
DAV Public Schoool, Chirimiri (C.G.)
Professional Experience
Backend Developer
March 2021 - Present
Vidrona Ltd.
- Initial stage of Internship.
Virtual Experience
Nov 2020 - Dec 2020
JPMorgan Chase & Co.
- Virtual Experience of the JPMC framework for Data visualization and stock analysis.
- View the certificate from here.
Organization
Apple Developers Group
2018 - Present
Senior core member (VIT, Vellore)
- Machine Learning and Logistics
IEEE - PCS
2018 - Present
Senior core member (VIT, Vellore)
- Management and Design
Interests
Apparently, this user prefers to keep an air of mystery about them.
Umm... not so much! Here are the things I love to do whenever I get free time from my work.
Technology
Watching technology shape the world we all live in. A tech enthusiast indeed. You should check r/technology too.
Documentaries
Getting the hang of documentaries coz movies and shows are too mainstream, aren't they?
Reading
I love to get lost in the magical world between the pages. Currently Reading: The Hitchhiker's Guide to the Galaxy
Chess
I'm not that good at chess and still I can't help myself from adoring it.
ELO: 1290 | Play with me :)
Photography
An amateur trying to capture that little "extra" in everything ordinary. Follow me on Instagram.
Video Games
I'm not like a huge gamer myself, I play for fun and like to try new games. Here is my Steam profile.
That's the way it is!
Things I found interesting and worth a share :) Click the head to read more!
Quantum computing has the potential to revolutionize computing by exponentially increasing speed, computing power, and security as single atoms would be capable of performing tasks.
I keep sounding the alarm bell, but until people see robots going down the street killing people, they don’t know how to react.
Until recently, scientists had never detected black holes in the “mass gap”—now, particle physicists are exploring ideas beyond the Standard Model that could explain them.
No one should be able to purchase their way to the front of the line if they are not at the highest risk....we know that virus-neutralizing antibodies are the best guarantee to keep you and loved ones out of the ICU.


This is the path to the repo executable which will be called whenever repo commands
are ran. Repo can be installed by running curl https://storage.googleapis.com/git-repo-downloads/repo > ~/bin/repo
See more documentation about installing and using repo.


Notes on programming and life
Thinking in an map-reduce way
General Architecture {:class=“img-responsive”}
Before We start It’s totally theoritical I have no practical experience in this topic. I want that(practical experience) that’s why I am writing this blog 😉 . I am not copying content from anywhere.
Preprocessing As per however small my perspective is the I think writing mapper and reducer is not the big-deal, What the most most important thing is data preprocessing, that is how you are gonna provide data to the jar file.…
Read more ⟶
WTF is FDO ?
According to wikipedia Profile-guided optimization (PGO, sometimes pronounced as pogo), also known as profile-directed feedback (PDF) and feedback-directed optimization (FDO) is a compiler optimization technique in computer programming that uses profiling to improve program runtime performance.
What it really means again from wikipedia:- Optimization techniques based on analysis of the source code.
How to do it ? Read it AutoFDO tutorial
PostScript For ML/DL Fanatics But Not Compiler Stuff
Some things I just know…
Read more ⟶


' =============================================
option explicit
Dim x,y
' Step means how much you want to increase variable
For x = 1 To 10 Step 1
MsgBox "Zmienna x rowna sie: " & x,0 ,"Petla FOR"
Next
For y = 10 To 1 Step -1
MsgBox "Zmienna x rowna sie: " & y,0 ,"Petla FOR"
Next


This is my first web page!
isn't it nice
Check out Epicodus. It's a great school for learning web programming!
Here is a link to my favorite things


BackTREK
Add a trip
Filter trips by
Trip Name
Continent
Category
Duration
Cost
Explore our trips!
Name
Continent
Category
Weeks
Cost


WITNESS LIST Land & Resource Management Committee March 31, 2005-7:00A HB 2246 Registering, but not testifying: For: Chick, Craig (Texas Association of Realtors) Howe, Billy (Texas Farm Bureau) Salmon, Stephen J. (Riverside and Landowners Protection Coalition) Turner, Bob (Self and Texas Sheep and Goat Raisers) Against: Lee, Donald (Texas Conference of Urban Counties) Storey, Linda (Harris County) On: Anderson, Tim (Texas Department of Transportation) HB 2266 For: Savio, Harry (Home Builders Association of Greater Austin) Against: Baker, Angela (Austin Interfaith) Henneberger, John (Texas Low Income Housing Information Service) Luckens, Ben (Self and Texas Chapter American Planning Association) Moreau, Walter (Foundation Communities) Mueller, Elizabeth (Self) Oranus, Reymundo (Self and Texas Association of Community Development Corporations) Paup, Karen (Texas Low Income Housing Information Service) Walker, Jim (Self) On: Turner, Frank F. (City of Plano) Registering, but not testifying: For: Chick, Craig (Texas Association of Realtors) Molter, Michele (Texas Apartment Association) Norman, Scott (Texas Association of Builders) Against: Gifford, Ed (Self) Gifford, Mary S. (Self) Hull, Matt (Texas Association of Community Development Corporations) Moffat, Susan (Self) Olson, Gretchen (Self) Piper, Margaret (Self) Rockwell, Brad (Self) Tyler, Kathleen (Self) Zamarron, Lourdes (Austin Interfaith) HB 2305 For: Cope, Judy (Self) Howe, Billy (Texas Farm Bureau) Kreusler, Korvan (Self) Kreusler, Melvin (Self) Saur, Leatrice S. (Self) Small, Ed (Texas and Southwestern Cattle Raisers Association) Timmerman, Curtis (Self) On: Houston, Scott (Texas Municiple League) Registering, but not testifying: For: Cleveland, Wayne (Texas Grain Sorghum Association) Gentsch, Denise (Self and Texas Agri. - Women) Grimm, James (Texas Poultry Federation) Kohlenberg, Harold (Self) Langford, David K. (Self and Texas Wildlife Association) Rading, Lorenz F. (Self) Salmon, Stephen J. (Riverside and Landowners Protection Coalition) Saur, Curt J. (Self) Sklar, Shane R. (Independent Cattlemen's Association of Texas) Terrell, James (Select Milk Producers, Inc.) Turner, Bob (Self and Texas Sheep and Goat Raisers) HB 2426 For: Baker, Carole D. (Texas Section - American Waterworks) Brown, Chris (Self) Finch, Calvin R. (San Antonio Water System) Kramer, Ken (Lone Star Chapter, Sierra Club) Strub, Dan (City of Austin Water Conservation) Against: Athas, Douglas (Texas Neighborhoods Together) Heyer, Connie (Texas Community Associations Institute) Smith, David M. (Texas Neighborhoods Together) Registering, but not testifying: For: Hess, Myron (National Wildlife Federation) Rockwell, Brad (Greater Edwards Aquifer Alliance) Woods, Jessica (Self) Against: McLin, Amy (Self) Moore, Michael D. (Self) HB 2554 On: Patterson, Jerry (General Land Office) HB 2619 On: Beverly, Eric V. (Office of Rural Community Affairs) Registering, but not testifying: For: Hodges, Ken (Texas Farm Bureau) HB 2748 For: Bowling, Bobby (Self and Texas Association of Builders) Moore, Michael D. (Self and Greater San Antonio Builders Association Texas Association Builders) Norman, Scott (Texas Association of Builders) Rockwell, Brad (Greater Edwards Aquifer Alliance) Weaver, Terry (Self and Texas Association of Builders) Against: Hart, Norbert (City of San Antonio (City Attorney)) Houston, Scott (Texas Municiple League) Luckens, Ben (Texas Chapter of The American Planning Association) Murphy, Patrick (City of Austin, Texas) Turner, Frank F. (CIty of Plano) Registering, but not testifying: For: Gonzalez, Daniel (Texas Association of Realtors) Molter, Michele (Texas Apartment Association) Morgan, Todd (Temple - Inland Inc.) Rice, Chuck (Pohl Brown and Assoc.) Savio, Harry (Home Builders Association of Greater Austin) Against: Cabrales, John (City of Denton) HB 2921 For: Hastings, Don (City of Midlothian) Kearns, Dennis (BNSF Railway) Matz, Laura (Texas Railroad Association) HB 3017 For: Howe, Billy (Texas Farm Bureau) Johnson, James N. (Self) Against: Storey, Linda (Harris County) On: Ward, Randy (Texas Department of Transportation) Wendlandt, Cavitt (Texas Attorney General / Resource Witness) Registering, but not testifying: For: Byfield, Dan (American Land Foundation) Chick, Craig (Texas Association of Realtors) Favia del Core, Marida (Exotic Wildlife Association) HB 3101 For: Krause, Sherman (Self) HJR 82 For: Patterson, Jerry (General Land Office) Registering, but not testifying: For: Gonzalez, Daniel (Texas Association of Realtors) Hodges, Ken (Texas Farm Bureau) Place, Allen (Texas Land Title Association)


"The force is with you, young Skywalker"
Account Setting
Logout
Welcome,
Johnny Tornado
Kecamatan Sukasari Kota Bandung
SP (Surat Penugasan)
PKP
KKP
KKP
by:
Rizaldy Akhmad
Posisi :
Ketua Tim
Released Date :
4 Feb 2015


This port is a useful base from which to explore both the Bay of Quiberon and the Golf of Morbihen.
Position 47°32'27"N, 02°54'07"W (harbour entrance)
This extensive marina has all facilities. Access is possible at all states of the tide, but care must be taken to keep to the marked approach channel at low tide, as it is bounded by some rather unfriendly rocks.
In addition to all boating services, the marina has many shops and restaurants, as well as a good supermarket. The near-by village of Boug d'Arzon has a baker, butcher and small provision shops and an open-air market on Monday mornings (in season).
Last updated October 2015.


Improving Day One
Day One is a journalling app for iOS and OSX and is an great app for keeping track of things during the day - be that photos or text. It’s a great app and I’ve been using it, almost as long as I’ve been using a Mac. I love the fact that I can view and add enteries on all my iOS devices and my Mac and that the data storage format is open (it’s all XML files).
However, whilst it’s a great tool and it’s under active development, I feel that perhaps sometimes it would be nice to auto add some information. This is where Slogger comes in - it adds the ability to add information from Twitter, Blogs, RSS feeds and other apps. It’s a great tool (once you get it working with Ruby).
Slogger
Slogger is a series of Ruby script that downloads and parses data and creates Day One posts. I use a Keyboard Mastro shortcut to auto run the script and create the files which I type at the end of my daily writing (this is for Mac only, so no luck if I’m stuck with only my iPad).
This runs Slogger and creates the enteries. I currently have it set up to log my tweets for the day, any enteries I make on my blog and my Last.fm feed.
There are some problems though - I can’t seem to get the Github plugins working for whatever reason (which is a pain as I want to log commits I make on my thesis), the Last.fm logger doesn’t seem to log in regards to the actual time I listened to the songs (it’s all over the place!). However, it’s a nice piece of software and I’ll be keeping my eye on it to see how it develops.


The progress component shows on the screen a control that indicates the progress percentage of an on-going operation. The component can be scaled to fit inside a parent container.
The progress component provides the following styles:
| Note |
|---|
| If you want to use Circular-shape progressbar, please refer CircleProgressBar component. |
The following table describes the supported progress classes.
| Class | Description |
|---|---|
| ui-progress-indeterminate | Defines the element as a infinite moving progress bar (unknown style). |
| ui-progress-proportion | Defines the element as a text
 element with a progress proportion. |
| ui-progress-ratio | Defines the element as a text
 element with progress ratio. |
To add a progress component to the application, use the following code:
 <progress class="ui-progress-indeterminate" max="100" value="100"></progress>  <progress max="100" value="90"></progress>  <progress max="100" value="50"></progress>
00/20

50%


echo "Hello World"- Print a message with environment variables:
echo "My path is $PATH"- Print a message without the trailing newline:
echo -n "Hello World"- Append a message to the file:
echo "Hello World" >> file.txt- Enable interpretation of backslash escapes (special characters):
echo -e "Column 1\tColumn 2"


Ocean [al34], ocean, in The Inner Sea
Last updated Turn #148
Ocean [al34], ocean, in The Inner Sea
------------------------------------------------------------------------
16: Pleasure Sloop [v5n], ship, 30 hulls, 1 rowing port, 90 sails, arrived
16: from Ocean [al33], owner:
16: Dorothy [v1b], Pen, with one worker, 94 sailors
16: Apollo [b5e], Imperial Empire, with 11 workers, 63 lt. xbowmen,
16: accompanied by:
16: Lutra [a4w], Imperial Empire, with 11 paladins, 19 pikemen
16: Lungor [y4r], Imperial Empire
16: Merbit [e2m], Imperial Empire
16: Pink Blazer [n8e], Imperial Empire
16: Kiki Ghelfond [p2w], Imperial Empire
16: Hera [g3f], Imperial Empire, with three soldiers, 28 pikemen
16: Thor [r4g], Imperial Empire, with 31 pikemen
16: Eos [a2t], Imperial Empire, with ten workers, 48 lt. xbowmen
16: Khaki Blazer [w4j], Imperial Empire, with four soldiers,
16: three pikemen, 24 lt. foot
16: Banian [e7n], Imperial Empire, duke, the High Priest of the
16: Church of Eres [151], with one soldier, ten angels
16: Trader Joe [h5i], Mandor Confederacy, prisoner
16: Bang [g3i], Mandor Confederacy, prisoner
17: Pleasure Sloop [v5n], ship, 30 hulls, 1 rowing port, 90 sails,
17: departed for Ocean [al35].
Routes leaving Ocean:
North, to Ocean [ak34], 6 days
East, to Ocean [al35], 6 days
South, to Ocean [am34], 6 days
West, to Ocean [al33], 6 days


'br}
'br}
{\
elfedit - Update the ELF header of ELF files.
elfedit [--input-mach=machine] [--input-type=type] [--input-osabi=osabi] --output-mach=machine --output-type=type --output-osabi=osabi [-v|--version] [-h|--help] elffile...
elfedit updates the s-1ELFs0 header of s-1ELFs0 files which have the matching s-1ELFs0 machine and file types. The options control how and which fields in the s-1ELFs0 header should be updated.
elffile... are the s-1ELFs0 files to be updated. 32-bit and 64-bit s-1ELFs0 files are supported, as are archives containing s-1ELFs0 files.
The long and short forms of options, shown here as alternatives, are equivalent. At least one of the --output-mach, --output-type and --output-osabi options must be given.
\fB--input-mach=\fR\fImachine\fR 4
Set the matching input s-1ELFs0 machine type to machine. If --input-mach isn't specified, it will match any s-1ELFs0 machine types.
The supported s-1ELFs0 machine types are, L1OM, K1OM and x86-64.
\fB--output-mach=\fR\fImachine\fR 4
Change the s-1ELFs0 machine type in the s-1ELFs0 header to machine. The supported s-1ELFs0 machine types are the same as --input-mach.
\fB--input-type=\fR\fItype\fR 4
Set the matching input s-1ELFs0 file type to type. If --input-type isn't specified, it will match any s-1ELFs0 file types.
The supported s-1ELFs0 file types are, rel, exec and dyn.
\fB--output-type=\fR\fItype\fR 4
Change the s-1ELFs0 file type in the s-1ELFs0 header to type. The supported s-1ELFs0 types are the same as --input-type.
\fB--input-osabi=\fR\fIosabi\fR 4
Set the matching input s-1ELFs0 file s-1OSABIs0 to osabi. If --input-osabi isn't specified, it will match any s-1ELFs0 OSABIs.
The supported s-1ELFs0 OSABIs are, none, s-1HPUXs0, NetBSD, s-1GNUs0, Linux (alias for s-1GNUs0), Solaris, s-1AIXs0, Irix, FreeBSD, s-1TRU64s0, Modesto, OpenBSD, OpenVMS, s-1NSKs0, s-1AROSs0 and FenixOS.
\fB--output-osabi=\fR\fIosabi\fR 4
Change the s-1ELF OSABIs0 in the s-1ELFs0 header to osabi. The supported s-1ELF OSABIs0 are the same as --input-osabi.
Display the version number of elfedit.
Display the command line options understood by elfedit.
Read command-line options from file. The options read are inserted in place of the original @file option. If file does not exist, or cannot be read, then the option will be treated literally, and not removed.
Options in file are separated by whitespace. A whitespace character may be included in an option by surrounding the entire option in either single or double quotes. Any character (including a backslash) may be included by prefixing the character to be included with a backslash. The file may itself contain additional @file options; any such options will be processed recursively.
readelf|(1), and the Info entries for binutils.
Copyright (c) 1991-2014 Free Software Foundation, Inc.
Permission is granted to copy, distribute and/or modify this document under the terms of the s-1GNUs0 Free Documentation License, Version 1.3 or any later version published by the Free Software Foundation; with no Invariant Sections, with no Front-Cover Texts, and with no Back-Cover Texts. A copy of the license is included in the section entitled *(L"s-1GNUs0 Free Documentation License*(R".


Here's the text in one paragraph.
There's going to be a fair decent length of text here so we
can see that the width restriction causes the text to wrap around.
Here's a list here that's also going to have an item
with at least a moderately long single element
in order to show the effects of the width property


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Route 53 HealthCheck HealthCheckConfig
The HealthCheckConfig
property is part of the AWS::Route53::HealthCheck resource that describes a health check that Amazon Route 53 uses before responding
to a DNS
query. For more information, see HealthCheckConfig in
the Amazon Route 53 API Reference
Syntax
JSON
{ "AlarmIdentifier" :
AlarmIdentifier
, "ChildHealthChecks" : [String
, ... ], "EnableSNI" :Boolean
, "FailureThreshold" :Integer
, "FullyQualifiedDomainName" :String
, "HealthThreshold" :Integer
, "InsufficientDataHealthStatus" :String
, "Inverted" :Boolean
, "IPAddress" :String
, "MeasureLatency" :Boolean
, "Port" :Integer
, "Regions" : [String
, ... ], "RequestInterval" :Integer
, "ResourcePath" :String
, "SearchString" :String
, "Type" :String
}
YAML
AlarmIdentifier:
AlarmIdentifier
ChildHealthChecks: -String
EnableSNI:Boolean
FailureThreshold:Integer
FullyQualifiedDomainName:String
HealthThreshold:Integer
InsufficientDataHealthStatus:String
Inverted:Boolean
IPAddress:String
MeasureLatency:Boolean
Port:Integer
Regions: -String
RequestInterval:Integer
ResourcePath:String
SearchString:String
Type:String
Properties
AlarmIdentifier
-
Identifies the CloudWatch alarm that you want Route 53 health checkers to use to determine whether this health check is healthy.
Type: Amazon Route 53 HealthCheck AlarmIdentifier
Required: No
ChildHealthChecks
-
(CALCULATED Health Checks Only) A complex type that contains one
ChildHealthCheck
element for each health check that you want to associate with aCALCULATED
health check.Required: No
Type: List of String values
EnableSNI
-
Specifies whether you want Route 53 to send the value of
FullyQualifiedDomainName
to the endpoint in theclient_hello
message during TLS negotiation. This allows the endpoint to respond toHTTPS
health check requests with the applicable SSL/TLS certificate. For more information, see http://docs.aws.amazon.com/Route53/latest/APIReference/API_HealthCheckConfig.html.Required: No
Type: Boolean
FailureThreshold
-
The number of consecutive health checks that an endpoint must pass or fail for Route 53 to change the current status of the endpoint from unhealthy to healthy or healthy to unhealthy. For more information, see How Amazon Route 53 Determines Whether an Endpoint Is Healthy in the Amazon Route 53 Developer Guide.
Required: No
Type: Integer
FullyQualifiedDomainName
-
If you specified the
IPAddress
property, the value that you want Route 53 to pass in the host header in all health checks except for TCP health checks. If you don't specify an IP address, the domain that Route 53 sends a DNS request to. Route 53 uses the IP address that the DNS returns to check the health of the endpoint.Required: Conditional
Type: String
HealthThreshold
-
The number of child health checks that are associated with a
CALCULATED
health that Route 53 must consider healthy for theCALCULATED
health check to be considered healthy.Required: No
Type: Integer
InsufficientDataHealthStatus
-
When Amazon CloudWatch has insufficient data about the metric to determine the alarm state, the status that you want Route 53 to assign to the health check (
Healthy
,Unhealthy
, orLastKnownStatus
).Required: No
Type: String
Inverted
-
Specifies whether you want Route 53 to invert the status of a health check, for example, to consider a health check unhealthy when it otherwise would be considered healthy.
Required: No
Type: Boolean
IPAddress
-
The IPv4 IP address of the endpoint on which you want Route 53 to perform health checks. If you don't specify an IP address, Route 53 sends a DNS request to resolve the domain name that you specify in the
FullyQualifiedDomainName
property.Required: No
Type: String
MeasureLatency
-
Specifies whether you want Route 53 to measure the latency between health checkers in multiple AWS regions and your endpoint and display CloudWatch latency graphs on the Health Checks page in the Route 53 console.
Required: No
Type: Boolean
Update requires: Replacement
Port
-
The port on the endpoint on which you want Route 53 to perform health checks.
Required: Conditional. Required when you specify
TCP
for theType
property.Type: Integer
Regions
-
The regions from which you want Amazon Route 53 health checkers to check the specified endpoint.
Duplicates are not allowed. For valid values and more information, see HealthCheckConfig in the Amazon Route 53 API Reference.
Required: No
Type: List of String values
Update requires: No interruption
RequestInterval
-
The number of seconds between the time that Route 53 gets a response from your endpoint and the time that it sends the next health check request. Each Route 53 health checker makes requests at this interval. For valid values, see the RequestInterval element in the Amazon Route 53 API Reference.
Required: No
Type: Integer
Update requires: Replacement
ResourcePath
-
The path that you want Route 53 to request when performing health checks. The path can be any value for which your endpoint returns an HTTP status code of
2
orxx
3
when the endpoint is healthy, such asxx
/docs/route53-health-check.html
.Required: No
Type: String
SearchString
-
If the value of the
Type
property isHTTP_STR_MATCH
orHTTPS_STR_MATCH
, the string that you want Route 53 to search for in the response body from the specified resource. If the string appears in the response body, Route 53 considers the resource healthy.Required: No
Type: String
Type
-
The type of health check that you want to create. This indicates how Route 53 determines whether an endpoint is healthy. You can specify
HTTP
,HTTPS
,HTTP_STR_MATCH
,HTTPS_STR_MATCH
,TCP
,CLOUDWATCH_METRIC
, orCALCULATED
. For information about the different types, see theType
element in the Amazon Route 53 API Reference.Required: Yes
Type: String
Update requires: Replacement


iTalkBB TV was launched as a video streaming platform in July 2019. Its goal is to provide high-quality video resources for audiences interested in Chinese related videos, such as Chinese drama, Chinese movies, and trending videos in the North American Chinese community.
I was invited to evaluate and improve the design of its key page, that is the homepage, with the product manager, from the perspective of user experience, in order to enhance increase conversion and retention rates.
As a website that has only been launched for a year, The overall design of the website could be considered an imperfect MVP. The design had some issues affecting user experience such as consistency and logic errors. The parts that I was working on are marked with flashing red.
Old version of homepage
Due to Corona virus, I chose to use online questionnaire and online interview for the user research. A total of 32 questionnaires were retrieved, one of which was incomplete.
Questionnaire
Although native Chinese speaking or native Chinese and English speaking users account for the largest proportion, 4% of users still have difficulty reading the Chinese text content on the page. There is a case that a native Chinese and English speaking user are proficient in Chinese listening but are not familiar with Chinese characters. Therefore, it is necessary to add English descriptions.
78% of users come to the website to kill time, and more than 50% of users already have a target video they need to find when they use the website. Having a clear search box is closer to user needs.
More than half of users chose ‘Neutral’ in the homepage design satisfaction survey, 22% chose ‘Not satisfied’. In comparison with other websites with similar functions, I found that the users care about content attractiveness, function richness, and layout rationality.
Only 3% of testers are registered as members of italkbb tv. The top two factors that affect users' willingness to register are ‘reasonable price’ and ‘personalized customization’. Unfortunately, italkbb tv's free membership registration policy did not bring them a high conversion rate. In the online interview, the tester reported that he was not prompted about membership benefits and free registration functions at all. Therefore, making users aware of member benefits and free registration policy is the key.
In addition to video streaming, 41% of users also spend a lot of time browsing news, and other users are also looking for entertainment and shopping information. In order to capture users, it is necessary to show the functions and content that users expect.
The search box replaces the search icon, and it displays a placeholders by default to guide users to search.
Search box
The icon where the user is located is underlined to remind the user where he is. For example, ‘Home’ will be underlined when the user is on homepage.
Icon
English is added as one of the language options.
The background color is changed from black to white to make the logo easier to distinguish.
Logo
Previous version of menu
Modified menu (Chinese)
Modified menu (English)
In the old design, buttons with the same login function have different forms, which caused confusion to users. For example, the login button appears in two shapes in the same modal. In the new design, one of the login buttons form is removed to maintain consistency.
Old version of login
In order to increase the activation rate, users need to be clearly shown the benefits they can enjoy after registration. My idea is to show directly what the exclusive benefits are for signup users, such as watching records, offline video and notification, to increase the attractiveness to unregistered users.
Modified login
When the cursor hovers over the Login button, the Login window pops up and the background fades.
Login window
An icon is added before the title for easy identification. As shown, a movie projector-style icon before the movie title.
Clickable texts, in this case the movie tags, have been transformed into button-looking to better distinguish them from other texts.
In addition, I found that the confusing logic of buttons brought unnecessary thinking burden to users. In the designer’s imagination, the ‘Other’ tag works as a language related movie tag pointing to a page containing movies in languages other than Chinese and Cantonese, but in fact users often think it refers to movie tags such as action movies or science fiction movies. Moreover, in the a/b test where 'More' tag are eliminated, users consider it works the same as ‘All’ and ‘More’ in functionality.
Old version of movie list
Modified movie list
The results of the user survey show that one of the main reasons for users to browse italkbb is to kill time, and users have a strong demand for news and information. Therefore, the purpose of this section is to take advantage of the resources of the website based in North America, in order to improve the retention rate of users by providing news occurring in North America.
北美都在看
Old version design
Modified design
The results reported by 21 testers are positive for the improvement of the design. Among them, the user satisfaction rate has increased from an average score of 2.97 in the old version to an average score of 4.25 in the new design. This means that satisfaction has increased by 43%.
100% of users are aware that membership registration is free and the members enjoy benefits. 62% of users are willing to register as a member, which is a big improvement over the 3% membership registration rate in the old design.
Survey


<mat-checkbox>
provides the same functionality as a native <input type="checkbox">
enhanced with Material Design styling and animations.
The checkbox label is provided as the content to the <mat-checkbox>
element. The label can be
positioned before or after the checkbox by setting the labelPosition
property to 'before'
or
'after'
.
If you don't want the label to appear next to the checkbox, you can use
aria-label
or
aria-labelledby
to
specify an appropriate label.
@angular/forms
<mat-checkbox>
is compatible with @angular/forms
and supports both FormsModule
and ReactiveFormsModule
.
<mat-checkbox>
supports an indeterminate
state, similar to the native <input type="checkbox">
.
While the indeterminate
property of the checkbox is true, it will render as indeterminate
regardless of the checked
value. Any interaction with the checkbox by a user (i.e., clicking) will
remove the indeterminate state.
When user clicks on the mat-checkbox
, the default behavior is toggle checked
value and set
indeterminate
to false
. This behavior can be customized by
providing a new value
of MAT_CHECKBOX_DEFAULT_OPTIONS
to the checkbox.
providers: [
{provide: MAT_CHECKBOX_DEFAULT_OPTIONS, useValue: { clickAction: 'noop' } as MatCheckboxDefaultOptions}
]
The possible values are:
noop
Do not change the checked
value or indeterminate
value. Developers have the power to
implement customized click actions.
check
Toggle checked
value of the checkbox, ignore indeterminate
value. If the
checkbox is in indeterminate
state, the checkbox will display as an indeterminate
checkbox
regardless the checked
value.
check-indeterminate
Default behavior of mat-checkbox
. Always set indeterminate
to false
when user click on the mat-checkbox
.
This matches the behavior of native <input type="checkbox">
.
The color of a <mat-checkbox>
can be changed by using the color
property. By default, checkboxes
use the theme's accent color. This can be changed to 'primary'
or 'warn'
.
MatCheckbox
uses an internal <input type="checkbox">
to provide an accessible experience.
This internal checkbox receives focus and is automatically labelled by the text content of the
<mat-checkbox>
element. Avoid adding other interactive controls into the content of
<mat-checkbox>
, as this degrades the experience for users of assistive technology.
Always provide an accessible label via aria-label
or aria-labelledby
for checkboxes without
descriptive text content. For dynamic labels, MatCheckbox
provides input properties for binding
aria-label
and aria-labelledby
. This means that you should not use the attr.
prefix when
binding these properties, as demonstrated below.
<mat-checkbox [aria-label]="isSubscribedToEmailsMessage">
</mat-checkbox>


battery-info
/
com.github.animeshz.batteryinfo
/
BatteryStatus
/
isAcConnected
isAcConnected
val
isAcConnected
:
Boolean
Is external power supply connected?


)
Document
Resturant Name
Guest Number
Item Name
Price
Count
Add
Tip amount
Tip Percentage
15% Poor
18% Good"
20% Excellent
Calculate
Reset
Coupon
10%
15%
20%
Attach Coupon
Resturant Name
Bill Amount:
Tip amount:
Coupon Disccount:
Total amount:


We are an operational organization, that plan and carry out substantial projects to accomplish our objectives which requires a great deal of careful planning, communication, and local involvement for each project.
Our work is only possible because our dedicated volunteers who number in the tens of thousands annually.
Subscribe to our news letter for all daily updates on all ongoing projects and new volunteers who joined.
Call (+233 551 875 704) to speak with a staff member to assist you on any questions you may have about your contribution.
At Street4Talent, we believe that addressing population control, proper healthcare, unemployment or human rights starts from the arcade of education.
We work alongside communities, governments and partner organizations at many levels to address all aspects of basic, secondary and vocational education. We carefully select children from the classroom and on the street to sponsor them through both educational and vocational schools.
Today, the organization helps train street children who are above school going age as carpenters, dance instructors, hair stylist, and specialists in other fields.
Quickly realizing that most children are expected to work in the home or sell on the streets because parents are not financially stable, Street4Talent teams up with local business owners to schedule classes for the street children. In addition to its educational efforts, the organization also seeks to provide opportunities to participants to exhibit their innovations.
Street4Talent is an organization that believes each child deserves access to quality education. Our mission is provide financial aid for basic, secondary and vocational education to smart and intelligent underprivileged children.
We pursue this mission through integrated, holistic commitment to provide good education for underprivileged children, enroll many street children in various areas of formal or vocational training and provide humanitarian aid for people in need.
Building a strong and firm foundation takes teamwork. At Street4Talent, we partner with like-minded organizations doing good work among the less privileged communities.
Our partners, which includes organizations and individuals are crucial to our work. They help us achieve our goals by engaging in various activities from holding events and most importantly completing our projects.
We accomplish this by providing text books to school children, food and clothing to the street children and dance lessons to some talented ones who are interested in learning. All of these necessities bring great relief to these children.


Israel profiled as Scotland's Euro 2020 playoff opponents are discovered
Two huge games are coming up in March for Scotland as they look to end 22 years without reaching a major tournament.
by Ross Pilcher, https://www.dailyrecord.co.uk/authors/ross-pilcher/It's finally decided and Scotland now know who they need to beat to reach the Euro 2020 finals.
Israel are the opponents and if Steve Clarke's men get through that one then it's an away tie against either Norway or Serbia in the final.
Although Scotland faced Israel in the Nations Leauge, a lot has changed since then.
Off the field Steve Clarke has replaced Alex McLeish while on the pitch, only four players who played at Hampden in the 3-2 win started against Kazakhstan on Tuesday night.
Scott McKenna, Callum McGregor, Ryan Christie and James Forrest all started and although it's likely Andy Robertson would also have started, that's still half a team that has changed.
Even on the bench, all three goalkeepers from that squad are now no longer involved with Allan McGregor retired, Scott Bain unable to get a game at Celtic and Jamie MacDonald now at Alloa.
But what about the opponents? Here's how they look ahead of the game in March.
PROFILED
There should be nothing unfamiliar about the Israelis after Scotland faced them twice during their initial Nations League campaign.
A shambolic display in Haifa saw us throw away a half-time lead in their first meeting, with John Souttar’s sending off and Kieran Tierney’s own goal leaving a playoff spot in the balance.
A must-win meeting at Hampden produced the required result with a 3-2 victory but it was a far nervier affair than it should have been. James Forrest’s hat-trick got the job done as the Scots came from behind, but the last 15 minutes was backs-to-the wall stuff at times.
Andi Herzog’s team were well off the pace in their qualifying group, finishing on 11 points from 10 games, ahead of only Latvia as Poland and Austria qualified with relative comfort. A 4-2 win over Austria was the standout result for the Israelis.
Hibs goalkeeper Ofir Marciano and Celtic duo Hatem Abd Elhamed and Nir Bitton are well known, as is former Celtic man Beram Kayal, who scored their opener in Glasgow last November.
Striker Eran Zahavi finished the campaign on 11 goals – the same as Cristiano Ronaldo and two behind top scorer Harry Kane. Fellow frontman Moanes Dabour of Sevilla has caused problems for both Scotland and Celtic before.
FORMED: 1948.
FIFA RANKING: 89.
STADIUM: Turner Stadium, Be'er Sheva (16,126), also use stadiums in Haifa and Jerusalem.
MANAGER: Andreas Herzog.
STAR MAN: Moanes Dabour. Seville striker who netted a double against Celtic while playing for Red Bull Salzburg. Cost the La Liga side £15 million, but has only featured in the Europa League so far.
EURO 2020 CAMPAIGN: Finished fifth out of six teams and was their worst campaign for 24 years. Never in with a chance of qualifying.
INTERESTING FACT: They are in the only country in UEFA who have previously qualified for a tournament who have had to endure a longer wait than Scotland to qualify. Their last tournament was the World Cup in 1970.
FULL DRAW
Path A
Iceland vs Romania
Bulgaria vs Hungary
Path B
Bosnia vs Northern Ireland
Slovakia vs Republic of Ireland
Path C
Scotland vs Israel
Norway vs Serbia
Path D
Georgia vs Belarus
North Macedonia vs Kosovo


Choose of several transformations to apply to your image


Binding
Experimental
binding
Binding works in the same fashion as it does on SwingBuilder.
binding + morph


Website Account
Name: Brian Skinner
Account Role: Mentor
Account Type: Google
Username<EMAIL_ADDRESS>Email<EMAIL_ADDRESS>User ID: 9
Is Active: Yes
Date Created: 4/5/2016
Last Login: 7/12/2016
Reset password button for regular accounts
Activity
4/25/2016 08:04 - Login
4/25/2016 08:04 - Confirmed session #4028
4/25/2016 08:04 - Login
4/25/2016 08:04 - Login


Structure Viewer¶
Try out the interactive visualizer below. Controls are as follows:
Rotate: Drag with left mouse button held down
Pan: Drag with right mouse button held down
Zoom: Mousewheel
Example¶
This piece of Javascript code shows an example of loading the viewer into a an
HTML element that has been given the id canvas
. This example assumes
that the global variable installation has been used, but it can be very simply
changed to also work with the module installation by adding the proper imports
and changing the StructureViewer
constructor call.
// Find the element in which the visualizer will be embedded into. It
// determines the visualization canvas size.
let canvas = document.getElementById("canvas");
// Viewer options
let options = {
layout: {
viewCenter: "COC",
periodicity: "none",
viewRotation: {
align: {
top: "c",
right: "b",
},
rotations: [
[0, 1, 0, 60],
[1, 0, 0, 30],
],
}
},
bonds: {
enabled: true
},
cell: {
enabled: true
},
latticeConstants: {
enabled: true
}
};
// Initialize viewer
let viewer = new materia.StructureViewer(canvas, options);
// Define structure and load into viewer
let nacl = {
species: [11, 17, 11, 17, 11, 17, 11, 17],
cell: [
[5.6402, 0.0, 0.0],
[0.0, 5.6402, 0.0],
[0.0, 0.0, 5.6402]
],
positions: [
[0.0, 0.5, 0.0],
[0.0, 0.5, 0.5],
[0.0, 0.0, 0.5],
[0.0, 0.0, 0.0],
[0.5, 0.5, 0.5],
[0.5, 0.5, 0.0],
[0.5, 0.0, 0.0],
[0.5, 0.0, 0.5]
],
fractional: true,
pbc: [true, true, true],
};
viewer.load(nacl);
Loading a structure¶
You can load a new atomic structure to the viewer by calling the
StructureViewer.load()
method. Check the API for the supported
parameters.
Options¶
The options that are given in the constructor are passed to the
StructureViewer.setOptions()
method. These options are provided as a
nested Javascript object. Check the API for the supported parameters. At any
time you can also manually call this method to change the options. Notice that
you can also use this method to only update a subset of the options.
API¶
-
StructureViewer.
load
(structure)¶ Visualizes the given atomic structure.
- Arguments
structure (object) – A Javascript object containing the structure. See below for the subparameters.
structure.positions (Array.<Array.<number>>) – Atomic positions. Default interpretation is as cartesian positions, but you can specify whether they are cartesial or fractional with the “fractional” attribute.
structure.fractional (boolean) – Whether the given positions are fractional or not. Defaults to false if not specified.
structure.species (Array.<string>|Array.<number>) – Atomic numbers or chemical symbols of the atoms.
structure.cell (Array.<number>) – The lattice vectors of the unit cell as rows of a 3x3 array.
structure.pbc (Array.<boolean>) – The periodic boundary conditions for the structure as a list of three boolean values for each lattice vector direction.
structure.bonds (Array.<Array.<number>>) – Optional manually set bonds. Provide a list of atomic index pairs, each pair specifying a bond between atoms. If these bonds are not specified, the visualizer will by default use an automated detection of bonds. This can be disabled through options.bonds.enabled.
-
StructureViewer.
setOptions
(options, render)¶ Used to setup the visualization options.
- Arguments
options (boolean) – A Javascript object containing the options. See below for the subparameters.
options.layout.periodicity (string|Array.<number>) – How periodicity is handled in the visualization. Available options are: - “none”: Visualized as is. - “wrap”: Positions wrapped within unit cell. - “boundary”: Positions that are on the cell boundaries are repeated. - [a, b, c]: Positions are repeated along each lattice vector the given amount of times.
options.layout.translation (Array.<number>) – A fixed cartesian translation to be applied to the atoms.
options.layout.viewCenter (string) – Determines how the view is initially centered. Available options are: - “COC”: Center of cell. - “COP”: Center of atom positions.
options.layout.viewRotation.align.top (string) – Optional alignment indicating which lattice basis vector should point upwards. Possible values are: “a”, “b”, “c”, “-a”, “-b”, “-c”.
options.layout.viewRotation.align.right (string) – Optional alignment indicating which lattice basis vector should point to the right (more precisely: the cross-product of options.layout.viewRotation.align.top and options.layout.viewRotation.align.right will point away from the screen.). Possible values are: “a”, “b”, “c”, “-a”, “-b”, “-c”.
options.layout.viewRotation.align.rotations (Array.<Array.<number>>) – Optional rotations that are applied after the alignment has been done (see options.layout.viewRotation.align). The rotations are given as a list of 4-element arrays containing the rotations axis and rotation angle in degrees. E.g. [[1, 0, 0, 90]] would apply a 90 degree rotation with respect to the x-coordinate. If multiple rotations are specified, they will be applied in the given order. Notice that these rotations are applied with respect to a global coordinate system, not the coordinate system of the structure. In this global coordinate system [1, 0, 0] points to the right, [0, 1, 0] points upwards and [0, 0, 1] points away from the screen.
options.latticeConstants.enabled (boolean) – Show lattice parameters
options.latticeConstants.font (string) – Font size for lattice constants. Applied as default to all labels, can be overridden individually for each lattice constant.
options.latticeConstants.color (string) – Font color for lattice constants. Applied as default to all labels, can be overridden individually for each lattice constant.
options.latticeConstants.stroke.color (string) – Font stroke color for lattice constants. Applied as default to all labels, can be overridden individually for each lattice constant.
options.latticeConstants.stroke.width (string) – Font stroke width for lattice constants. Applied as default to all labels, can be overridden individually for each lattice constant.
options.latticeConstants.a.color (string) – Font color
options.latticeConstants.a.font (string) – Font family
options.latticeConstants.a.size (number) – Font size
options.latticeConstants.a.stroke.width (number) – Font stroke width
options.latticeConstants.a.stroke.color (string) – Font stroke color
options.latticeConstants.b.color (string) – Font color
options.latticeConstants.b.font (string) – Font family
options.latticeConstants.b.size (number) – Font size
options.latticeConstants.b.stroke.width (number) – Font stroke width
options.latticeConstants.b.stroke.color (string) – Font stroke color
options.latticeConstants.c.color (string) – Font color
options.latticeConstants.c.font (string) – Font family
options.latticeConstants.c.size (number) – Font size
options.latticeConstants.c.stroke.width (number) – Font stroke width
options.latticeConstants.c.stroke.color (string) – Font stroke color
options.latticeConstants.alpha.color (string) – Font color
options.latticeConstants.alpha.font (string) – Font family
options.latticeConstants.alpha.size (number) – Font size
options.latticeConstants.alpha.stroke.width (number) – Font stroke width
options.latticeConstants.alpha.stroke.color (string) – Font stroke color
options.latticeConstants.beta.color (string) – Font color
options.latticeConstants.beta.font (string) – Font family
options.latticeConstants.beta.size (number) – Font size
options.latticeConstants.beta.stroke.width (number) – Font stroke width
options.latticeConstants.beta.stroke.color (string) – Font stroke color
options.latticeConstants.gamma.color (string) – Font color
options.latticeConstants.gamma.font (string) – Font family
options.latticeConstants.gamma.size (number) – Font size
options.latticeConstants.gamma.stroke.width (number) – Font stroke width
options.latticeConstants.gamma.stroke.color (string) – Font stroke color
options.outline.enabled (boolean) – Used to enable or disable a fixed color outline around atoms and bonds. Notice that enabling the outline incurs a performance penalty.
options.outline.color (string) – Outline color.
options.outline.size (number) – Outline size.
options.cell.enabled (boolean) – Show unit cell wireframe.
options.cell.color (boolean) – Unit cell wireframe color.
options.cell.linewidth (boolean) – Unit cell wireframe line width.
options.cell.dashSize (boolean) – Unit cell wireframe dash size. Provide a value > 0 for a dashed line.
options.cell.gapSize (boolean) – Unit cell wireframe dash size. Provide a value > 0 for a dashed line.
options.bonds.enabled (boolean) – Show bonds.
options.bonds.color (string) – Color of bonds.
options.bonds.radius (number) – Bond radius.
options.bonds.smoothness (number) – A value between 0-180 that controls the number of polygons. Used as the angle between adjacent cylinder/sphere sectors that indirectly controls the number of polygons.
options.bonds.material.phong.shininess (number) – Shininess of the bond material (for phong material)
options.bonds.material.toon.tones (number) – Tone-steps for toon material.
options.bonds.threshold (number) – Controls the automatic detection of bonds between atoms. If custom bonds have not been specified for the structure, bonds will be detected automatically with the following criteria: distance <= this.options.bonds.threshold * 1.1 * (radius1 + radius2)
options.atoms.smoothness (number) – A value between 0-180 that controls the number of polygons. Used as the angle between adjacent cylinder/sphere sectors that indirectly controls the number of polygons.
options.atoms.material.phong.shininess (number) – Shininess of the atom material (for phong material)
options.atoms.material.toon.tones (number) – Tone-steps for toon material
options.atoms.radii (string|Array.<number>) – The radii to use for atoms. Defaults to covalent radii. Available options are: - “covalent”: Covalent radii from DOI:10.1039/B801115J. - Custom list of atomic radii. Provide an array of floating point numbers where the index corresponds to an atomic number.
options.atoms.colors (string|Array.<string>) – The colors to use for atoms. Available options are: - “Jmol” (default): Jmol colors. - Custom list of colors. Provide an array of hexadecimal colors where the index corresponds to an atomic number.
options.atoms.scale (number) – Scaling factor for the atomic radii.
options.renderer.background.color (string) – Color of the background.
options.renderer.background.opacity (number) – Opacity of the background.
options.renderer.shadows.enabled (boolean) – Whether shows are cast by atoms onto others. Note that enabling this increases the computational cost for doing the visualization.
render (boolean) – Whether to perform a render after setting the options. Defaults to true. You should only disable this setting if you plan to do a render manually afterwards.


Git is a simple, but extremely powerful system. Most people try to teach Git by demonstrating a few dozen commands and then yelling “tadaaaaa.” I believe this method is flawed. Such a treatment may leave you with the ability to use Git to perform simple tasks, but the Git commands will still feel like magical incantations. Doing anything out of the ordinary will be terrifying. Until you understand the concepts upon which Git is built, you’ll feel like a stranger in a foreign land.
The following parable will take you on a journey through the creation of a Git-like system from the ground up. Understanding the concepts presented here will be the most valuable thing you can do to prepare yourself to harness the full power of Git. The concepts themselves are quite simple, but allow for an amazing wealth of functionality to spring into existence. Read this parable all the way through and you should have very little trouble mastering the various Git commands and wielding the awesome power that Git makes available to you.
Imagine that you have a computer that has nothing on it but a text editor and a few file system commands. Now imagine that you have decided to write a large software program on this system. Because you’re a responsible software developer, you decide that you need to invent some sort of method for keeping track of versions of your software so that you can retrieve code that you previously changed or deleted. What follows is a story about how you might design one such version control system (VCS) and the reasoning behind those design choices.
Alfred is a friend of yours that works down at the mall as a photographer in one of those “Special Moments” photo boutiques. All day long he takes photos of little kids posing awkwardly in front of jungle or ocean backdrops. During one of your frequent lunches at the pretzel stand, Alfred tells you a story about a woman named Hazel who brings her daughter in for a portrait every year on the same day. “She brings the photos from all the past years with her,” Alfred tells you. “She likes to remember what her daughter was like at each different stage, as if the snapshots really let her move back and forth in time to those saved memories.”
Like some sort of formulaic plot device, Alfred’s innocent statement acts as a catalyst for you to see the ideal solution to your version control dilemma. Snapshots, like save points in a video game, are really what you care about when you need to interact with a VCS. What if you could take snapshots of your codebase at any time and resurrect that code on demand? Alfred reads the dawning realization spreading across your face and knows you’re about to leave him without another word to go back and implement whatever genius idea he just caused you to have. You do not disappoint him.
You start your project in a directory named working
. As you code,
you try to write one feature at a time. When you complete a self-contained
portion of a feature, you make sure that all your files are saved and then make
a copy of the entire working directory, giving it the name
snapshot-0
. After you perform this copy operation, you make sure to
never again change the code files in the new directory. After the next chunk of
work, you perform another copy, only this time the new directory gets the name
snapshot-1
, and so on.
To make it easy to remember what changes you made in each snapshot, you add a
special file named message
to each snapshot directory that contains
a summary of the work that you did and the date of completion. By printing the
contents of each message, it becomes easy to find a specific change that you
made in the past, in case you need to resurrect some old code.
After a bit of time on the project, a candidate for release begins to emerge.
Late nights at the keyboard finally yield snapshot-99
, the nascent
form of what will become Release Version 1.0. It comes to pass that this
snapshot is packaged and distributed to the eagerly awaiting masses. Stoked by
excellent response to your software, you push forward, determined to make the
next version an even bigger success.
Your VCS has so far been a faithful companion. Old versions of your code are
there when you need them and can be accessed with ease. But not long after the
release, bug reports start to come in. Nobody’s perfect, you reassure yourself,
and snapshot-99
is readily retrievable, glad to be brought back to
life for the purposes of applying bug fixes.
Since the release, you’ve created 10 new snapshots. This new work must not be
included in the 1.0.1 bug fix version you now need to create. To solve this, you
copy snapshot-99
to working
so that your working
directory is at exactly the point where Version 1.0 was released. A few swift
lines of code and the bug is fixed in the working directory.
It is here that a problem becomes apparent. The VCS deals very well with linear
development, but for the first time ever, you need to create a new snapshot that
is not a direct descendent of the preceding snapshot. If you create a
snapshot-110
(remember that you created 10 snapshots since the
release), then you’ll be interrupting the linear flow and will have no way of
determining the ancestry of any given snapshot. Clearly, you need something more
powerful than a linear system.
Studies show that even short exposures to nature can help recharge the mind’s creative potential. You’ve been sitting behind the artificially polarized light of your monitor for days on end. A walk through the woods in the brisk Autumn air will do you some good and with any luck, will help you arrive at an ideal solution to your problem.
The great oaks that line the trail have always appealed to you. They seem to stand stark and proud against the perfectly blue sky. Half the ruddy leaves have departed from their branches, leaving an intricate pattern of branches in their wake. Fixating on one of the thousands of branch tips you idly try to follow it back to the solitary trunk. This organically produced structure allows for such great complexity, but the rules for finding your way back to the trunk are so simple, and perfect for keeping track of multiple lines of development! It turns out that what they say about nature and creativity are true.
By looking at your code history as a tree, solving the problem of ancestry
becomes trivial. All you need to do is include the name of the parent snapshot
in the message
file you write for each snapshot. Adding just a
single upstream pointer will enable you to easily and accurately trace the
history of any given snapshot all the way back to the root.
Your code history is now a tree. Instead of having a single latest snapshot, you have two: one for each branch. With a linear system, your sequential numbering system let you easily identify the latest snapshot. Now, that ability is lost.
Creating new development branches has become so simple that you’ll want to take advantage of it all the time. You’ll be creating branches for fixes to old releases, for experiments that may not pan out; indeed it becomes possible to create a new branch for every feature you begin!
But like everything good in life, there is a price to be paid. Each time you create a new snapshot, you must remember that the new snapshot becomes the latest on its branch. Without this information, switching to a new branch would become a laborious process indeed.
Every time you create a new branch you probably give it a name in your head. “This will be the Version 1.0 Maintenance Branch,” you might say. Perhaps you refer to the former linear branch as the “master” branch.
Think about this a little further, though. From the perspective of a tree, what does it mean to name a branch? Naming every snapshot that appears in the history of a branch would do the trick, but requires the storage of a potentially large amount of data. Additionally, it still wouldn’t help you efficiently locate the latest snapshot on a branch.
The least amount of information necessary to identify a branch is the location of the latest snapshot on that branch. If you need to know the list of snapshots that are part of the branch you can easily trace the parentage.
Storing the branch names is trivial. In a file named branches
,
stored outside of any specific snapshot, you simply list the name/snapshot pairs
that represent the tips of branches. To switch to a named branch you need only
look up the snapshot for the corresponding name from this file.
Because you’re only storing the latest snapshot on each branch, creating a new
snapshot now contains an additional step. If the new snapshot is being created
as part of a branch, the branches
file must be updated so that the
name of the branch becomes associated with the new snapshot. A small price to
pay for the benefit.
After using branches for a while you notice that they can serve two purposes. First, they can act as movable pointers to snapshots so that you can keep track of the branch tips. Second, they can be pointed at a single snapshot and never move.
The first use case allows you to keep track of ongoing development, things like “Release Maintenance”. The second case is useful for labeling points of interest, like “Version 1.0” and “Version 1.0.1”.
Mixing both of these uses into a single file feels messy. Both types are
pointers to snapshots, but one moves and one doesn’t. For the sake of clarity
and elegance, you decide to create another file called tags
to
contain pointers of the second type.
Keeping these two inherently different pointers in separate files will help you from accidentally treating a branch as a tag or vice versa.
Working on your own gets pretty lonely. Wouldn’t it be nice if you could invite a friend to work on your project with you? Well, you’re in luck. Your friend Zoe has a computer setup just like yours and wants to help with the project. Because you’ve created such a great version control system, you tell her all about it and send her a copy of all your snapshots, branches, and tags so she can enjoy the same benefits of the code history.
It’s great to have Zoe on the team but she has a habit of taking long trips to far away places without internet access. As soon as she has the source code, she catches a flight to Patagonia and you don’t hear from her for a week. In the meantime you both code up a storm. When she finally gets back, you discover a critical flaw in your VCS. Because you’ve both been using the same numbering system, you each have directories named ‘snapshot-114’, ‘snapshot-115’, and so on, but with different contents!
To make matters worse, you don’t even know who authored the changes in those new snapshots. Together, you devise a plan for dealing with these problems. First, snapshot messages will henceforth contain author name and email. Second, snapshots will no longer be named with simple numbers. Instead, you’ll use the contents of the message file to produce a hash. This hash will be guaranteed to be unique to the snapshot since no two messages will ever have the same date, message, parent, and author. To make sure everything goes smoothly, you both agree to use the SHA1 hash algorithm that takes the contents of a file and produces a 40 character hexadecimal string. You both update your histories with the new technique and instead of clashing ‘snapshot-114’ directories, you now have distinct directories named ‘8ba3441b6b89cad23387ee875f2ae55069291f4b’ and ‘db9ecb5b5a6294a8733503ab57577db96ff2249e’.
With the updated naming scheme, it becomes trivial for you to fetch all the new snapshots from Zoe’s computer and place them next to your existing snapshots. Because every snapshot specifies its parent, and identical messages (and therefore identical snapshots) have identical names no matter where they are created, the history of the codebase can still be drawn as a tree. Only now, the tree is comprised of snapshots authored by both Zoe and you.
This point is important enough to warrant repeating. A snapshot is identified by a SHA1 that uniquely identifies it (and its parent). These snapshots can be created and moved around between computers without losing their identity or where they belong in the history tree of a project. What’s more, snapshots can be shared or kept private as you see fit. If you have some experimental snapshots that you want to keep to yourself, you can do so quite easily. Just don’t make them available to Zoe!
Zoe’s travel habits cause her to spend countless hours on airplanes and boats. Most of the places she visits have no readily available internet access. At the end of the day, she spends more time offline than online.
It’s no surprise, then, that Zoe raves about your VCS. All of the day to day operations that she needs to do can be done locally. The only time she needs a network connection is when she’s ready to share her snapshots with you.
Before Zoe left on her trip, you had asked her to start working off of the branch named ‘math’ and to implement a function that generated prime numbers. Meanwhile, you were also developing off of the ‘math’ branch, only you were writing a function to generate magic numbers. Now that Zoe has returned, you are faced with the task of merging these two separate branches of development into a single snapshot. Since you both worked on separate tasks, the merge is simple. While constructing the snapshot message for the merge, you realize that this snapshot is special. Instead of just a single parent, this merge snapshot has two parents! The first parent is your latest on the ‘math’ branch and the second parent is Zoe’s latest on her ‘math’ branch. The merge snapshot doesn’t contain any changes beyond those necessary to merge the two disparate parents into a single codebase.
Once you complete the merge, Zoe fetches all the snapshots that you have that she does not, which include your development on the ‘math’ branch and your merge snapshot. Once she does this, both of your histories match exactly!
Like many software developers you have a compulsion to keep your code clean and very well organized. This carries over into a desire to keep your code history well groomed. Last night you came home after having a few too many pints of Guinness at the local brewpub and started coding, producing a handful of snapshots along the way. This morning, a review of the code you wrote last night makes you cringe a little bit. The code is good overall, but you made a lot of mistakes early on that you corrected in later snapshots.
Let’s say the branch on which you did your drunken development is called ‘drunk’ and you made three snapshots after you got home from the bar. If the name ‘drunk’ points at the latest snapshot on that branch, then you can use a useful notation to refer to the parent of that snapshot. The notation ‘drunk^’ means the parent of the snapshot pointed to by the branch name ‘drunk’. Similarly ‘drunk^^’ means the grandparent of the ‘drunk’ snapshot. So the three snapshots in chronological order are ‘drunk^^’, ‘drunk^’, and ‘drunk’.
You’d really like those three lousy snapshots to be two clean snapshots. One that changes an existing function, and one that adds a new file. To accomplish this revision of history you copy ‘drunk’ to ‘working’ and delete the file that is new in the series. Now ‘working’ represents the correct modifications to the existing function. You create a new snapshot from ‘working’ and write the message to be appropriate to the changes. For the parent you specify the SHA1 of the ‘drunk^^^’ snapshot, essentially creating a new branch off of the same snapshot as last night. Now you can copy ‘drunk’ to ‘working’ and roll a snapshot with the new file addition. As the parent you specify that snapshot you created just before this one.
As the last step, you change the branch name ‘drunk’ to point to the last snapshot you just made.
The history of the ‘drunk’ branch now represents a nicer version of what you did last night. The other snapshots that you’ve replaced are no longer needed so you can delete them or just leave them around for posterity. No branch names are currently pointing at them so it will be hard to find them later on, but if you don’t delete them, they’ll stick around.
As much as you try to keep your new modifications related to a single feature or logical chunk, you sometimes get sidetracked and start hacking on something totally unrelated. Only half-way into this do you realize that your working directory now contains what should really be separated as two discrete snapshots.
To help you with this annoying situation, the concept of a staging directory is
useful. This area acts as an intermediate step between your working directory
and a final snapshot. Each time you finish a snapshot, you also copy that to a
staging
directory. Now, every time you finish an edit to a new
file, create a new file, or remove a file, you can decide whether that change
should be part of your next snapshot. If it belongs, you mimic the change inside
staging
. If it doesn’t, you can leave it in working
and make it part of a later snapshot. From now on, snapshots are created
directly from the staging directory.
This separation of coding and preparing the stage makes it easy to specify what is and is not included in the next snapshot. You no longer have to worry too much about making an accidental, unrelated change in your working directory.
You have to be a bit careful, though. Consider a file named README
.
You make an edit to this file and then mimic that in staging
. You
go on about your business, editing other files. After a bit, you make another
change to README
. Now you have made two changes to that file, but
only one is in the staging area! Were you to create a snapshot now, your second
change would be absent.
The lesson is this: every new edit must be added to the staging area if it is to be part of the next snapshot.
With a working directory, a staging area, and loads of snapshots laying around, it starts to get confusing as to what the specific code changes are between these directories. A snapshot message only gives you a summary of what changed, not exactly what lines were changed between two files.
Using a diffing algorithm, you can implement a small program that shows you the differences in two codebases. As you develop and copy things from your working directory to the staging area, you’ll want to easily see what is different between the two, so that you can determine what else needs to be staged. It’s also important to see how the staging area is different from the last snapshot, since these changes are what will become part of the next snapshot you produce.
There are many other diffs you might want to see. The differences between a specific snapshot and its parent would show you the “changeset” that was introduced by that snapshot. The diff between two branches would be helpful for making sure your development doesn’t wander too far away from the mainline.
After a few more trips to Namibia, Istanbul, and Galapagos, Zoe starts to complain that her hard drive is filling up with hundreds of nearly identical copies of the software. You too have been feeling like all the file duplication is wasteful. After a bit of thinking, you come up with something very clever.
You remember that the SHA1 hash produces a short string that is unique for a
given file contents. Starting with the very first snapshot in the project
history, you start a conversion process. First, you create a directory named
objects
outside of the code history. Next, you find the most deeply
nested directory in the snapshot. Additionally, you open up a temporary file for
writing. For each file in this directory you perform three steps. Step 1:
Calculate the SHA1 of the contents. Step 2: Add an entry into the temp file that
contains the word ‘blob’ (binary large object), the SHA1 from the first step,
and the filename. Step 3: Copy the file to the objects directory and rename it
to the SHA1 from step 1. Once finished with all the files, find the SHA1 of the
temp file contents and use that to name the temp file, also placing it in the
objects directory.
If at any time the objects directory already contains a file with a given name, then you have already stored that file’s contents and there is no need to do so again.
Now, move up one directory and start over. Only this time, when you get to the entry for the directory that you just processed, enter the word ‘tree’, the SHA1 of the temp file from last time, and the directory’s name into the new temp file. In this fashion you can build up a tree of directory object files that contain the SHA1s and names of the files and directory objects that they contain.
Once this has been accomplished for every directory and file in the snapshot, you have a single root directory object file and its corresponding SHA1. Since nothing contains the root directory, you must record the root tree’s SHA1 somewhere. An ideal place to store it is in the snapshot message file. This way, the uniqueness of the SHA1 of the message also depends on the entire contents of the snapshot, and you can guarantee with absolute certainty that two identical snapshot message SHA1s contain the same files!
It’s also convenient to create an object from the snapshot message in the same way that you do for blobs and trees. Since you’re maintaining a list of branch and tag names that point to message SHA1s you don’t have to worry about losing track of which snapshots are important to you.
With all of this information stored in the objects directory, you can safely delete the snapshot directory that you used as the source of this operation. If you want to reconstitute the snapshot at a later date it’s simply a matter of following the SHA1 of the root tree stored in the message file and extracting each tree and blob into their corresponding directory and file.
For a single snapshot, this transformation process doesn’t get you much. You’ve basically just converted one filesystem into another and created a lot of work in the process. The real benefits of this system arise from reuse of trees and blobs across snapshots. Imagine two sequential snapshots in which only a single file in the root directory has changed. If the snapshots both contain 10 directories and 100 files, the transformation process will create 10 trees and 100 blobs from the first snapshot but only one new blob and one new tree from the second snapshot!
By converting every snapshot directory in the old system to object files in the new system, you can drastically reduce the number of files that are stored on disk. Now, instead of storing perhaps 50 identical copies of a rarely changed file, you only need to keep one.
Eliminating blob and tree duplication significantly reduces the total storage size of your project history, but that’s not the only thing you can do to save space. Source code is just text. Text can be very efficiently compressed using something like the LZW or DEFLATE compression algorithms. If you compress every blob before computing its SHA1 and saving it to disk you can reduce the total storage size of the project history by another very admirable quantity.
The VCS you have constructed is now a reasonable facsimile of Git. The main difference is that Git gives you very nice command lines tools to handle such things as creating new snapshots and switching to old ones (Git uses the term “commit” instead of “snapshot”), tracing history, keeping branch tips up-to-date, fetching changes from other people, merging and diffing branches, and hundreds of other common (and not-so-common tasks).
As you continue to learn Git, keep this parable in mind. Git is really very
simple underneath, and it is this simplicity that makes it so flexible and
powerful.  Even
when you delete a branch, all that’s really happened is that the pointer to that
commit has been removed.  In these cases, look up
git reflog
. It contains a history of what each branch pointed to
and in times of crisis, it will save the day.
Here are some resources that you should follow as your next step.
–


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Types of creentials
The system allows the issuance and verification of many types of credentials. At the first level there are:
-
Self-issued credentials: they are basically a self-declaration in a convenient digital form that can be exchanged among different parties. They are credentials issued by the citizen stating some fact about herself and her situation. They are the equivalent to the citizen using the self-diagnostics questionnaires to get advice, or to the functionality in some applications to help track quarantine and confinement.
-
Third-party credentials: credentials issued by third parties stating a fact about the subject. For example, a certification of immunisation or a certificate from a company stating that a given employee is required for essential works at some time in some place.
The following sections describe some of the possible credentials managed by the system, but they can be added or modified as required.
Third-party credentials
Immunisation
A health authority or professional attests that the citizen is immunized, and so has a very low risk of getting ill again.
These immunity certificates could let people to leave the pandemia lockdown earlier than the rest of the population if they test positive for antibodies to the virus. Even when the lockdown is released, some partial restrictions may be in place and these certificates could allow some people to move more freely and to more places.
Safe conduct (as a responsible declaration)
In this context a Safe conduct, or letter of transit, is a certificate issued to a person to allow that person to move to some place with a given purpose.
Electronic equivalent of a responsible declaration issued by a company/employer to an employee to allow her to move. As an example, the official paper-based responsible declaration for Spain (from the Ministry of Health) is the following:
The data included in the form is:
- Employer
-
- Full name of person representative of the company
- National ID of the representative
- Tax ID of the employer
- Contact data of the company/employer:
- Postal address
- Phone
- Employee
-
- Full name of employee
- National ID of employee
- Place, date and signature
- Handwritten signature of representative of th ecompany
Safe conduct (oficial)
Basically, the same as the previous one but issued by an official authority.


abstract fun isNetwork5gHz(): Boolean
To check if the device's current network is 5gHz.
Return
boolean - If the network is 5gHz
See Also
Author
Patches
Since
3.0
abstract fun isNetwork5gHz(network: WifiInfo?): Boolean
To check if a given network is 5gHz.
network
- The network to check if it's 5gHz
Return
boolean - If the network is 5gHz
See Also
Author
Patches
Since
3.0


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Ayurveda is a branch of alternative medicine. The term ‘Ayurveda’ stands for Science of life! It is a mode of treatment that is inspired by natural cure for ailments. This science actually originated in India. Its roots can be traced back to the Vedas! BAMS course is designed to train students get familiar with concepts of Ayurveda and make use of them to treat patients.
COURSE DURATION
BAMS is a five and a half years long course. The last one year is dedicated towards Internship
BAMS SYLLABUS AND IMPORTANT SUBJECTS
Sanskrit
Ashtang Hridayam
Padartha Vigyan
Kriyasharir
Rachanasharir
Ayurveda Ithihas
Charaksamhita
Dravyaguna Vigyan
Rasa Shastra
Roga Vigyan
Vyavhar Ayurved
Kayachikitsa
Shalya
Shalakya
Stri Roga
Prasuti Tantra
Panchkarma
The above mentioned subjects form an Integral part of BAMS program. Note that not all subjects have been mentioned in the above list.
ELIGIBILITY CRITERIA
Only 12th Science stream, Biology group students are eligible to apply for this course. In most cases, the minimum marks criteria for admission is 50% marks in the 12th Board examinations. NEET is considered a common entrance exam in courses such as MBBS, BDS, including BAMS. It is now a compulsory exam to secure admission in recognized colleges and institutes of the medical field. After centralized counseling, admission is provided to students based on the obtained scores.
ADVANTAGES OF PURSUING BAMS
BAMS, as a medical system, is approved in India and is recognized all over the World. It has gained much popularity in the recent times. As a branch of alternative medicine, Ayurveda treatment is well known for its lack of side effects. Thanks to this lack of side effects, it has become quite popular in the west! More and more people are taking resort of Ayurveda to cure diseases. Especially people suffering from lifestyle diseases such as diabetes are making use of Ayurveda to cure their illnesses! This has resulted in a huge rise in the demand for trained BAMS Doctors! Not only in India, BAMS Doctors are in demand in Western Countries too! You may also check – Medical entrance tests in India.
POPULAR BAMS COLLEGES IN INDIA
Ayurveda College, Pariyaram, Kannur, Kerala
Vaidyaratnam PS Varier Ayurveda College, Malappuram, Kerala
Vaidyaratnam Ayurveda College, Thrissur, Kerala
Ayurveda College, Ernakulam, Kerala
Ayurveda College, Thiruvananthapuram, Kerala
Government Ayurveda Medical College, Bangalore, Karnataka
Indian Institute of Ayurvedic Medicine and Research, Bangalore, Karnataka
Government Akhandanand Ayurveda College, Ahmedabad, Gujarat
Netra Chikitsa Ayurveda College, Amreli, Gujarat
Institute of Medical Sciences, Banaras Hindu University, Varanasi, Uttar Pradesh
Bundelkhand University, Jhansi, Uttar Pradesh
State Ayurvedic College and Hospital, Lucknow, Uttar Pradesh
Ayurvedic College and Hospital, Sampurnanand Sanskrit Vishwa Vidyalaya, Varanasi, Uttar Pradesh
Gopabandhu Ayurveda Mahavidyalaya, Puri, Odisha
KATS Ayurveda College, Berhampur, Odisha
Government Ayurveda College, Bolangir, Odisha
Mayurbhanj Ayurveda Mahavidyalaya, Mayurbhanj, Odisha
WHAT AFTER BAMS?
After BAMS, a number of job opportunities are available in front of Graduates! They may start up own clinic and start private practice. One may even join Private or Government Hospitals also, after graduation. Research is also a sector where BAMS graduates may build a good career. After PG or research programs, they may take up a job in the research sector. Teaching profession is also a well paying job that graduates may look up to! For that, one must go through PG course too! For a long time, BAMS course was overlooked by students, who rated it well below MBBS! But thanks to recent developments, Ayurveda has been gaining much popularity. This has resulted in huge demand for qualified BAMS Doctors. This medical system is approved and accepted all over the world, giving it a global presence! Value of BAMS course sure has increased a lot!