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How to run a background task in a servlet based web application?
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218
Your problem is that you misunderstand the purpose of the servlet. It's intented to act on HTTP...
How do I verify/check/test/validate my SSH passphrase?
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123
You can verify your SSH key passphrase by attempting to load it into your SSH agent. With Open...
How to round an average to 2 decimal places in PostgreSQL?
...ision is only available for numeric.
regress=> SELECT round( float8 '3.1415927', 2 );
ERROR: function round(double precision, integer) does not exist
regress=> \df *round*
List of functions
Schema | Name | Result data type | Argument data types | Type
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Read a text file using Node.js?
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176
You'll want to use the process.argv array to access the command-line arguments to get the file...
How do you tell if a string contains another string in POSIX sh?
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11 Answers
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Find out if ListView is scrolled to the bottom?
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171
Edited:
Since I have been investigating in this particular subject in one of my applications,...
How to hash some string with sha256 in Java?
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15 Answers
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Environment variables in Mac OS X
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143
There's no need for duplication. You can set environment variables used by launchd (and child ...
How do I convert a float number to a whole number in JavaScript?
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15 Answers
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