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Cell spacing in UICollectionView
...xPath *)indexPath {
return [self getCellSize:indexPath]; // will be w120xh100 or w190x100
// if the width is higher, only one image will be shown in a line
}
#pragma mark collection view cell paddings
- (UIEdgeInsets)collectionView:(UICollectionView*)collectionView layout:(UICollectionView...
what is the right way to treat Python argparse.Namespace() as a dictionary?
...7
Nick T
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answered Jun 1 '13 at 23:42
Raymond Hetting...
Non-alphanumeric list order from os.listdir()
...ctory containing the following subdirectories: run01, run02, ... run19, run20, and then I generate a list from the following command:
...
'\r': command not found - .bashrc / .bash_profile [duplicate]
...e OS: Cygwin = Windows
– jahroy
Jun 20 '13 at 2:16
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Using .NET, how can you find the mime type of a file based on the file signature not the extension
...essed'.
– Monsignor
Feb 11 '11 at 4:20
54
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Can I protect against SQL injection by escaping single-quote and surrounding user input with single-
...re, this last one was mine ;) )
https://www.owasp.org/images/d/d4/OWASP_IL_2007_SQL_Smuggling.pdf (based on the previous paper, which is no longer available)
Point is, any blacklist you do (and too-permissive whitelists) can be bypassed. The last link to my paper shows situations where even quote ...
Get escaped URL parameter
...amp;;]+?)(&|#|;|$)').exec(location.search)||[,""])[1].replace(/\+/g, '%20'))||null;
}
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Javascript: negative lookbehind equivalent?
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Lookbehind Assertions got accepted into the ECMAScript specification in 2018.
Positive lookbehind usage:
console.log(
"$9.99 €8.47".match(/(?<=\$)\d+(\.\d*)?/) // Matches "9.99"
);
Negative lookbehind usage:
console.log(
"$9.99 €8.47".match(/(?<!\$)\d+(?:\.\d*)/...
When should I use Kruskal as opposed to Prim (and vice versa)?
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202
Use Prim's algorithm when you have a graph with lots of edges.
For a graph with V vertices E ...
How can I avoid running ActiveRecord callbacks?
...Rails. It works for us well. Check it out in my blog post: railsguides.net/2014/03/25/skip-callbacks-in-tests
– ka8725
Apr 11 '14 at 9:01
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