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How to save an HTML5 Canvas as an image on a server?
...you need:
Draw something (taken from canvas tutorial)
<canvas id="myCanvas" width="578" height="200"></canvas>
<script>
var canvas = document.getElementById('myCanvas');
var context = canvas.getContext('2d');
// begin custom shape
context.beginPath();
context.moveT...
What's your most controversial programming opinion?
...em definition and design thoughts should preempt any decision to use it.
My 5 cents
share
answered Jan 3 '09 at 11:04
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Getting started with Haskell
For a few days I've tried to wrap my head around the functional programming paradigm in Haskell. I've done this by reading tutorials and watching screencasts, but nothing really seems to stick.
Now, in learning various imperative/OO languages (like C, Java, PHP), exercises have been a good way for m...
Converting array to list in Java
... @UsmanIsmail As of Java 8, we can use streams for this conversion. See my answer below.
– Ibrahim Arief
May 18 '15 at 11:59
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Java switch statement: Constant expression required, but it IS constant
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I got this error on Android, and my solution was just to use:
public static final int TAKE_PICTURE = 1;
instead of
public static int TAKE_PICTURE = 1;
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Why is String immutable in Java?
... the intern pool unless we call the method intern(). Thank you for deepen my knowledge about string intern pool.
– Alex Mathew
May 26 '15 at 9:07
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编译器内部的秘密--微软的编译器是如何解析Try/Catch/Throw的 - C/C++ - 清...
...例非常简单，相关的类型只有typeid(int)。假如你有一个类my_exception，继承自std::exception。如果你的程序运行时抛出一个my_exception类型的对象，那么抛出的数据参数pCatchableTypeArray包含了两个重要子数据信息。一个是typeid(my_exception)...
How can I clear or empty a StringBuilder? [duplicate]
...gth(0), does that mean it keeps the internal buffer at its current length? My concern is that I don't want to new a new StringBuffer because I expect sometimes I will have fairly long strings, and thus I am starting with a pretty large buffer size (4k or 32k). So, it sounds like it might be quicker...
Passing an integer by reference in Python
... as you have in C. (They don't have to be dereferenced, for example). In my mental model, it's easier to think of things as "Names" and "Objects". Assignment binds a "Name"(s) on the left to an "Object"(s) on the right. When you call a function, you pass the "Object" (effectively binding it to a...
Testing if object is of generic type in C#
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That won't detect subtypes though. See my answer. It's also much harder for interfaces :(
– Jon Skeet
Jun 11 '09 at 17:38
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