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Best way to serialize an NSData into a hexadeximal string
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15 Answers
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How do I interactively unstage a particular hunk in git?
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Try git reset --patch filename; this should do the opposite of git add --patch, according to t...
Why do we need argc while there is always a null at the end of argv?
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Yes, argv[argc]==NULL is guaranteed. See C11 5.1.2.2.1 Program startup (my emphasis)
If t...
Modifying a query string without reloading the page
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If you are looking for Hash modification, your solution works ok. However, if you want to chan...
Is there a reason that we cannot iterate on “reverse Range” in ruby?
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Change UICollectionViewCell size on different device orientations
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1) You could maintain and swap out multiple layout objects, but there's a simpler way. Just add the following to your UICollectionViewController subclass and adjust the sizes as required:
- (CGSize)collectionView:(UICollecti...
MySQL SELECT WHERE datetime matches day (and not necessarily time)
...ing 4 records, then only the 2nd and 3rd would be returned if I limit to 2012-12-25.
4 Answers
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How to efficiently build a tree from a flat structure?
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18 Answers
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How do I negate a test with regular expressions in a bash script?
Using GNU bash (version 4.0.35(1)-release (x86_64-suse-linux-gnu), I would like to negate a test with Regular Expressions. For example, I would like to conditionally add a path to the PATH variable, if the path is not already there, as in:
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