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How to get a pixel's x,y coordinate color from an image?
...th 0 being fully transparent.
Here is a jsFiddle example: http://jsfiddle.net/thirtydot/9SEMf/869/ I used jQuery for convenience in all of this, but it is by no means required.
Note: getImageData falls under the browser's same-origin policy to prevent data leaks, meaning this technique will fail ...
Is it possible to force Excel recognize UTF-8 CSV files automatically?
...-8. (See this SO post).
In case anybody is having the same issues I was, .NET's UTF8 encoding class does not output a byte-order marker in a GetBytes() call. You need to use streams (or use a workaround) to get the BOM to output.
...
PHP: exceptions vs errors?
...ception is thrown, code following the statement will not be executed" (php.net/manual/en/language.exceptions.php)
– Robert Sinclair
Aug 29 '17 at 18:04
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Implement C# Generic Timeout
...ock occurrence appears to be very infrequent, but we have fixed the code nonetheless :-)
– Joannes Vermorel
Apr 14 '11 at 19:54
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event Action vs event EventHandler
...
Looking at Standard .NET event patterns we find
The standard signature for a .NET event delegate is:
void OnEventRaised(object sender, EventArgs args);
[...]
The argument list contains two arguments: the sender, and the event arguments. The comp...
How do I reflect over the members of dynamic object?
...ties and their values from an object declared with the dynamic keyword in .NET 4? It seems using reflection for this will not work.
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What is JSONP, and why was it created?
...re on domain example.com, and you want to make a request to domain example.net. To do so, you need to cross domain boundaries, a no-no in most of browserland.
The one item that bypasses this limitation is <script> tags. When you use a script tag, the domain limitation is ignored, but under n...
What makes Lisp macros so special?
...ny syntax you could possibly want. Like Python or C#'s with syntax. Or .NET's LINQ syntax. In end, this is what attracts people to Lisp - ultimate flexibility.
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HTML5 Canvas vs. SVG vs. div
...s, and here SVG gives you all of this for free.
Fiddle: http://jsfiddle.net/knutsi/PUcr8/16/
Fullscreen: http://jsfiddle.net/knutsi/PUcr8/16/embedded/result/
var wiggle_factor = 0.0;
nodes = [];
// create svg:
var svg = document.createElementNS("http://www.w3.org/2000/svg", "svg");
svg.setAttr...
Is there a “previous sibling” selector?
... Here's an example I made to see what this can, and can't, do. jsfiddle.net/NuuHy/1
– Abacus
Jul 17 '13 at 18:26
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