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Size of Matrix OpenCV
... Link to documentation: docs.opencv.org/modules/core/doc/basic_structures.html#mat-size
– Rasim
Dec 25 '12 at 6:50
1
...
.rar, .zip files MIME Type
...function isRarOrZip($file) {
// get the first 7 bytes
$bytes = file_get_contents($file, FALSE, NULL, 0, 7);
$ext = strtolower(substr($file, - 4));
// RAR magic number: Rar!\x1A\x07\x00
// http://en.wikipedia.org/wiki/RAR
if ($ext == '.rar' and bin2hex($bytes) == '526172211a0...
Setting the correct encoding when piping stdout in Python
...o it can be set when output is not a terminal. There is even a standard LC_CTYPE environment to specify it. It is a but in python that it doesn't respect this.
– Rasmus Kaj
May 31 '10 at 15:34
...
What does the 'b' character do in front of a string literal?
...
Actually, if you've imported unicode_literals from __future__, this will "reverse" the behavior for this particular string (in Python 2.x)
– Romuald Brunet
Mar 14 '13 at 16:27
...
Python Graph Library [closed]
... has a github: github.com/igraph/python-igraph
– user_1_1_1
May 7 '17 at 22:09
|
show 3 more comments
...
How to detect when a UIScrollView has finished scrolling
...nt:
- (void)scrollViewDidEndDecelerating:(UIScrollView *)scrollView {
_isScrolling = NO;
}
- (void)scrollViewDidEndDragging:(UIScrollView *)scrollView willDecelerate:(BOOL)decelerate {
if (!decelerate) {
_isScrolling = NO;
}
}
Now, if your scroll is due to a programmatic setC...
Detecting a mobile browser
...12|\-d)|el(49|ai)|em(l2|ul)|er(ic|k0)|esl8|ez([4-7]0|os|wa|ze)|fetc|fly(\-|_)|g1 u|g560|gene|gf\-5|g\-mo|go(\.w|od)|gr(ad|un)|haie|hcit|hd\-(m|p|t)|hei\-|hi(pt|ta)|hp( i|ip)|hs\-c|ht(c(\-| |_|a|g|p|s|t)|tp)|hu(aw|tc)|i\-(20|go|ma)|i230|iac( |\-|\/)|ibro|idea|ig01|ikom|im1k|inno|ipaq|iris|ja(t|v)a|jb...
Use HTML5 to resize an image before upload
... var canvas = document.createElement('canvas'),
max_size = 544,// TODO : pull max size from a site config
width = image.width,
height = image.height;
if (width > height) {
if (width > max_size) ...
Check if URL has certain string with PHP
...URL and the rest check if it contains the word "car".
$url = 'http://' . $_SERVER['SERVER_NAME'] . $_SERVER['REQUEST_URI'];
if (strpos($url,'car') !== false) {
echo 'Car exists.';
} else {
echo 'No cars.';
}
shar...
What are POD types in C++?
...
In C++11, you can do std::is_pod<MyType>() to tell whether MyType is POD.
– allyourcode
Mar 31 '14 at 21:24
7
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