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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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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 do I convert a float number to a whole number in JavaScript?
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15 Answers
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Android Split string
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612
String currentString = "Fruit: they taste good";
String[] separated = currentString.split(":");...
Chrome extension: force popup.html to close
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1 Answer
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JavaScript style for optional callbacks
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10 Answers
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img src SVG changing the styles with CSS
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21 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 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...
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...