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Drawing an image from a data URL to a canvas
... Canvas Context lets you copy all or a portion of an image (or canvas, or video) onto a canvas.
You might use it like so:
var myCanvas = document.getElementById('my_canvas_id');
var ctx = myCanvas.getContext('2d');
var img = new Image;
img.onload = function(){
ctx.drawImage(img,0,0); // Or at wh...
How to run multiple .BAT files within a .BAT file
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Use:
call msbuild.bat
call unit-tests.bat
call deploy.bat
When not using CALL, the current batch file stops and the called batch file starts executing. It's a peculiar behavior dating back to the early MS-DOS days.
...
how to make a specific text on TextView BOLD
...build your String in HTML and set it:
String sourceString = "<b>" + id + "</b> " + name;
mytextview.setText(Html.fromHtml(sourceString));
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Log4Net, how to add a custom field to my logging
...override the other.
Log4Net.ThreadContext :- This context scope limited to calling thread. Here two threads can set same property to different values without overriding to each other.
Log4Net.ThreadLogicalContext :- This context behaves similarly to the ThreadContext. if you're working with a custom...
PHP DOMDocument errors/warnings on html5-tags
... @KlaasSangers Until we have a non-crippled DOM implementation, I'm afraid it is (either through @ or libxml_*)
– Dan Lugg
Sep 18 '14 at 20:56
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Multiple working directories with Git?
...working tree is associated with the repository.
This new working tree is called a "linked working tree" as opposed to the "main working tree" prepared by "git init" or "git clone".
A repository has one main working tree (if it's not a bare repository) and zero or more linked working trees.
detai...
Calling virtual functions inside constructors
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Calling virtual functions from a constructor or destructor is dangerous and should be avoided whenever possible. All C++ implementations should call the version of the function defined at the level of the hierarchy in the cu...
What does (angle brackets) mean in Java?
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is called a generic type. You can instantiate an object Pool like this:
PoolFactory<Integer> pool = new Pool<Integer>();
The generic parameter can only be a reference type. So you can't use primitive types like in...
What is tail recursion?
... return x;
} else {
return x + recsum(x - 1);
}
}
If you called recsum(5), this is what the JavaScript interpreter would evaluate:
recsum(5)
5 + recsum(4)
5 + (4 + recsum(3))
5 + (4 + (3 + recsum(2)))
5 + (4 + (3 + (2 + recsum(1))))
5 + (4 + (3 + (2 + 1)))
15
Note how every recu...
How is “int* ptr = int()” value initialization not illegal?
...her value of object pointer or function pointer type. Such a conversion is called a null pointer conversion. [...]
int() is such an integral constant expression prvalue of integer type that evaluates to zero (that's a mouthful!), and thus can be used to initialize a pointer type. As you can see, 0...