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Keyboard shortcuts with jQuery
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Since this question was originally asked, John Resig (the primary author of jQuery) has forked and improved the js-hotkeys project. His version is available at:
http://github.com/jeresig/jquery.hotkeys
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Java code To convert byte to Hexadecimal
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@polygenelubricants : Thanx a lot.. It seems, finally the code is working fine.. Is it safe to usen toHexString function now ? Or, there might be some loopholes with the approach ?
– Vivek
May 13 '10 at 11:28
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What is the most elegant way to remove a path from the $PATH variable in Bash?
Or more generally, how do I remove an item from a colon-separated list in a Bash environment variable?
33 Answers
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Replacements for switch statement in Python?
...erformance is an issue, so it doesn't re-build the dict on every function call
– Claudiu
Oct 23 '08 at 16:22
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Convert columns to string in Pandas
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to_json() probably does not call astype(str) as it leaves datetime64 and its subclasses as milliseconds since epoch.
– Sussch
Jul 10 '19 at 5:41
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How to round up a number to nearest 10?
...$input / 10) * 10;
Edit: I've been doing it this way for so long.. but TallGreenTree's answer is cleaner.
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Strange, unexpected behavior (disappearing/changing values) when using Hash default value, e.g. Hash
...ere’s a hint:
h[42] #=> ["a", "b"]
The array returned by each [] call is just the default value, which we’ve been mutating all this time so now contains our new values. Since << doesn’t assign to the hash (there can never be assignment in Ruby without an = present†), we’ve nev...
What is the difference between instanceof and Class.isAssignableFrom(…)?
...s Y which extends Z which extends A), results might be different.
it is usually advised to write the code first picking one of the operators (the most convenient) and then profile your code to check if there are a performance bottleneck. Maybe this operator is negligible in the context of your code,...
Delete duplicate rows from small table
...s to do with the inner select statement here getting executed N times (for all N rows in the dupes table) rather than the grouping that's going on in the other solution.
– David
Sep 12 '17 at 12:36
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MySQL: #126 - Incorrect key file for table
... a ramdisk configured. You can temporarily comment out the ramdisk line to allow such operations if you can't increase the size of it.
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