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How to hash some string with sha256 in Java?
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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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jQuery: serialize() form and other parameters
...pe : 'POST',
url : 'url',
data : $('#form').serialize() + "&par1=1&par2=2&par3=232"
}
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Is there a benefit to defining a class inside another class in Python?
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126
You might want to do this when the "inner" class is a one-off, which will never be used outsid...
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 convert a float number to a whole number in JavaScript?
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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 ...
Chrome extension: force popup.html to close
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JavaScript style for optional callbacks
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img src SVG changing the styles with CSS
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