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MySQL: Set user variable from result of query
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337
Yes, but you need to move the variable assignment into the query:
SET @user := 123456;
SELECT...
Why are floating point numbers inaccurate?
...icand). A very simple number, say 9.2, is actually this fraction:
5179139571476070 * 2 -49
Where the exponent is -49 and the mantissa is 5179139571476070. The reason it is impossible to represent some decimal numbers this way is that both the exponent and the mantissa must be integers. In othe...
Why does this (null || !TryParse) conditional result in “use of unassigned local variable”?
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3 Answers
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Detect IF hovering over element with jQuery
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306
Original (And Correct) Answer:
You can use is() and check for the selector :hover.
var isHov...
How to generate controller inside namespace in rails
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3 Answers
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In C/C++ what's the simplest way to reverse the order of bits in a byte?
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35 Answers
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Appropriate datatype for holding percent values?
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133
Assuming two decimal places on your percentages, the data type you use depends on how you plan ...
Sorting data based on second column of a file
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346
You can use the sort command:
sort -k2 -n yourfile
-n, --numeric-sort compare according to s...