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Git: copy all files in a directory from another branch
...lso copies any files that are in the .gitignore of the master branch. Any idea why that is?
– Milimetric
Feb 24 '13 at 13:08
4
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Checking from shell script if a directory contains files
...; ((${#f}))
This trick is 100% bash and invokes (spawns) a sub-shell. The idea is from Bruno De Fraine and improved by teambob's comment.
files=$(shopt -s nullglob dotglob; echo your/dir/*)
if (( ${#files} ))
then
echo "contains files"
else
echo "empty (or does not exist or is a file)"
fi
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Why does sizeof(x++) not increment x?
...s would mean that in something like sizeof(int[++x]) (really, really a bad idea, anyhow) the ++ could be evaluated.
– Jens Gustedt
Nov 22 '11 at 12:01
3
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Unique Key constraints for multiple columns in Entity Framework
... the best one but it requires some time to do it. I will just show you the idea behind it:
In this link http://code.msdn.microsoft.com/CSASPNETUniqueConstraintInE-d357224a
you can find the code for unique key data annotation:
[UniqueKey] // Unique Key
public int FirstColumn { get; set;}
[Uni...
Generate an integer that is not among four billion given ones
... repeat, either. (Following the question actually asked is probably a good idea in an interview, right? ;-))
– Christopher Creutzig
Aug 24 '11 at 6:24
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Good tutorial for using HTML5 History API (Pushstate?) [closed]
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Ideally your server/app should respond to the route appropriately without the need for this rewrite.
– sholsinger
Jul 16 '12 at 23:46
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One-liner to take some properties from object in ES 6
... an object, you get undefined. Sometimes it matters. Other than that, nice idea.
– x-yuri
Feb 10 '19 at 18:09
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Capturing Groups From a Grep RegEx
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Great idea, but does not seem to work with spaces in the regexp - they need to be replaced with \s. Do you know how to fix it?
– Adam Ryczkowski
Feb 16 '19 at 9:10
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How to prune local tracking branches that do not exist on remote anymore
...-f /dev/fd/0: No such file or directory fatal: branch name required Any ideas?
– Ludder
Feb 7 '14 at 11:30
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Iterate over a Javascript associative array in sorted order
...overflow.com/questions/1827458/… and in general is considered a very bad idea "You should never extend Object.prototype. It does far more than break jQuery; it completely breaks the "object-as-hashtables" feature of Javascript. Don't do it. You can ask John Resig, and he'll tell you the same thin...