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  The craziest Javascript implementations

Since its birth in 1994, Javascript has come a long way. Today it’s one of the most popular programming languages on the web because of high popularity of AJAX based web-applications. Also the rise of micro-frameworks such as jQuery (also Prototype, Moo Tools etc) which have reduced dramatically the complexity of code developers needed to write, it is well tested, has a ton of plug-ins, has a large development community and reduced development time.And lately even Server-S...

   JavaScript,Crazy implementation,JVM,Turing machine     2012-01-03 12:09:42

  Simple tutorial on git cherry-pick

It is a common operation to move code from one branch to another branch in a multi-branch git repository. Normally there are two scenarios: Want to move all changes in one branch to another branch, now it's called git merge  Want to move only some change/changes from one branch to another branch, now it's called git cherry-pick Usage The purpose of git cherry-pick is to apply some change from one branch to another branch.  git cherry-pick [commitHash] The above command is to app...

   GIT,GIT CHERRY-PICK,TUTORIAL     2020-05-02 00:02:58

  CSS Box Shadow Illustration

Used in casting shadows off block-level elements (like divs)..shadow { -moz-box-shadow: 5px 5px 5px #ccc; -webkit-box-shadow: 5px 5px 5px #ccc; box-shadow: 5px 5px 5px #ccc; }The horizontal offset of the shadow, positive means the shadow will be on the right of the box, a negative offset will put the shadow on the left of the box.The vertical offset of the shadow, a negative one means the box-shadow will be above the box, a positive one means the shadow will be below the box.The blur r...

   CSS,Box Shadow,Apple,Chrome,Safari,IE,Il     2011-06-30 04:03:38

  Fix issue docker-credential-desktop not installed or not available in PATH on Mac

Sometimes you may encounter below issue while running docker-compose on MacOS. Traceback (most recent call last): File "docker-compose", line 6, in <module> File "compose/cli/main.py", line 71, in main File "compose/cli/main.py", line 127, in perform_command File "compose/cli/main.py", line 1085, in up File "compose/cli/main.py", line 1081, in up File "compose/project.py", line 527, in up File "compose/service.py", line 354, in ensure_image_exists File "compose/service.py",...

   MACOS,DOCKER,DOCKER-COMPOSE     2020-06-23 03:25:16

  Make a directory using C++ for windows

If you want to create a folder at windows using c++/cpp language, there is an easy way for make a folder. You can do it just including the <windows.h> header file. To make a folder at C:\ drive named "deadman"#include<windows.h>int main(){   CreateDirectory ("C:\\deadman", NULL);   return 0;}If you want to delete a fodler from the C:\ directory.#include<windows.h>int main(){   RemoveDirectory("C:\\deadman");   retur...

   C++,Directory,Windows,CreateDirectory,Example     2012-02-25 04:26:16

  How to draw pentagram in HTML5 canvas

I wrote simple function to this magical symbol I like so much: 123456789101112131415161718192021222324252627282930<!doctype html><html><body>    <canvas id="c" width="500" height="500"></canvas>    <script> var ctx = (document.getElementById("c")).getContext("2d"); // draws rotated pentagram with or without cirlefunction pentagram( ctx, x, y, radius, rotate, circle ){    ctx.beginPath();&nbs...

   Html 5,Canvas,pentagram     2012-04-23 12:56:06

  Stop programming

You probably program too much. Just when you've really gotten into your work, when your brain is entirely wrapped around your code, when your hands, eyes, and thoughts are working in harmony, stop. Look up. Think about when you're going to finish for the day. Look forward to shutting off your computer. Get outside a little. ...

   Programming,Tips     2011-06-30 02:50:14

  Execute PHP from a .html File

How can I execute PHP code on my existing myfile.html page?:When a web page is accessed, the server checks the extension to know how to handle the page. Generally speaking if it sees a .htm or .html file, it sends it right to the browser because it doesn't have anything to process on the server. If it sees a .php extension (or .shtml, or .asp, etc), it knows that it needs to execute the appropriate code before passing it along to the browser. Here is the problem: You find the perfect ...

   PHP,HTML,PHP in HTML,AddType     2011-12-26 14:01:20

  Significance and use of do{...}while(0)

In some Linux kernel and other open source codes, we can see some codes like below: do{ ... }while(0) This code snippet is not a loop, it seems there is no significance of using do...while this way, then why should we use it? In fact, the significance of do{...}while(0) is better than optimizing your code. After some research, we summarize some benefits of it. 1. Help define complex macro to avoid error #define DOSOMETHING()\ foo1();\ foo2(); The me...

   do{...}while(0), optimization     2012-10-21 21:13:22

  Interview Programming Problems Done Right

Introduction Why 37signals Doesn't Hire Programmers Based on Brainteasers and my comment on HN generated a lot of responses, so much so that I'm writing this post to properly explain the essence of a good (IMHO) interview programming problem. Pascal's Triangle Pascal's Triangle is a shortcut for getting coefficients most often used binomial probability. The root element is 1. Every other element is the sum of the one or two above it (diagonally left and diagonally right). There are severa...

   Interview,Programming problem,Pascal,Triangle     2012-01-06 09:46:43

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