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Does name length impact performance in Redis?
... long.
The example key you give is for a set, set lookup methods are O(1). The more complex operations on a set (SDIFF, SUNION, SINTER) are O(N). Chances are that populating $userId was a more expensive operation than using a longer key.
Redis comes with a benchmark utility called redis-benc...
What to do with branch after merge
I had two branches: master and branch1 . I just merged branch1 back into master and I'm done with that branch. Should I delete it or just let it sit around? Will deleting it cause any loss of data?
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Embed image in a element
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You could use input type image.
<input type="image" src="http://example.com/path/to/image....
How can I explode and trim whitespace?
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iPhone Simulator suddenly started running very slow
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Most common C# bitwise operations on enums
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How do I pipe a subprocess call to a text file?
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If you want to write the output to a file you can use the stdout-argument of subprocess.call.
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How to download .zip from GitHub for a particular commit sha?
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edited Mar 18 at 21:12
answered Nov 29 '12 at 23:55
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Get index of selected option with jQuery
...rt($("#dropDownMenuKategorie")[0].selectedIndex);
Update:
Since version 1.6 jQuery has the prop method that can be used to read properties:
alert($("#dropDownMenuKategorie").prop('selectedIndex'));
share
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Arrays vs Vectors: Introductory Similarities and Differences [closed]
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146
arrays:
are a builtin language construct;
come almost unmodified from C89;
provide just a co...