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Math.random() versus Random.nextInt(int)
...tributed bits in its mantissa, so it is uniformly distributed in the range 0 to 1-(2^-53).
Random.nextInt(n) uses Random.next() less than twice on average- it uses it once, and if the value obtained is above the highest multiple of n below MAX_INT it tries again, otherwise is returns the value ...
Is it safe to use -1 to set all bits to true?
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20 Answers
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Does a break statement break from a switch/select?
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Break statements, The Go Programming Language Specification.
A "break" statement termin...
How to tell if a tag failed to load
...d I'd like to be able to tell whether the loading failed in some way -- a 404, a script error in the loaded script, whatever.
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What does %~dp0 mean, and how does it work?
I find %~dp0 very useful, and I use it a lot to make my batch files more portable.
7 Answers
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How to sort an array of objects by multiple fields?
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Zoom in on a point (using scale and translate)
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edited Jul 14 '16 at 18:05
John Weisz
20.9k88 gold badges6767 silver badges109109 bronze badges
answer...
python setup.py uninstall
...eworks/Python.framework/Versions/3.7/lib/python3.7/site-packages/my_module-0.1.egg/ on macOS. It has no files, but Python will still import an empty module:
>>> import my_module
>>> my_module.__file__
None
Once deleted, Python shows:
>>> import my_module
Traceback (mos...
Combine two columns of text in pandas dataframe
I have a 20 x 4000 dataframe in Python using pandas. Two of these columns are named Year and quarter . I'd like to create a variable called period that makes Year = 2000 and quarter= q2 into 2000q2 .
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How to get the first and last date of the current year?
Using SQL Server 2000, how can I get the first and last date of the current year?
18 Answers
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