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How to get a pixel's x,y coordinate color from an image?
...nsparent.
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 if you dirty the can...
How to count occurrences of a column value efficiently in SQL?
...|
edited Oct 1 '09 at 16:38
answered Oct 1 '09 at 13:30
Mik...
How do I move an existing Git submodule within a Git repository?
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398
Note: As mentioned in the comments this answer refers to the steps needed with older versions of...
How to see full symlink path
... Ian Stapleton CordascoIan Stapleton Cordasco
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...
Passing A List Of Objects Into An MVC Controller Method Using jQuery Ajax
...ings });
$.ajax({
contentType: 'application/json; charset=utf-8',
dataType: 'json',
type: 'POST',
url: '/Home/PassThings',
data: things,
success: function () {
$('#result').html('"PassThings()" successfully called.');
...
Does a const reference class member prolong the life of a temporary?
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168
Only local const references prolong the lifespan.
The standard specifies such behavior in §8.5...
Difference between `data` and `newtype` in Haskell
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answered May 4 '11 at 20:58
Don StewartDon Stewart
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...
Remove unwanted parts from strings in a column
...iroeumiro
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How do you test running time of VBA code?
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81
Unless your functions are very slow, you're going to need a very high-resolution timer. The mos...
What's the easiest way to escape HTML in Python?
...st encode at the end to the encoding specified in the document header (utf-8 for maximum compatibility).
Example:
>>> cgi.escape(u'<a>bá</a>').encode('ascii', 'xmlcharrefreplace')
'&lt;a&gt;b&#225;&lt;/a&gt;
Also worth of note (thanks Greg) is the extra ...