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puts vs logger in rails rake tasks
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answered Dec 1 '10 at 10:46
shmichaelshmichael
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What is the purpose of the : (colon) GNU Bash builtin?
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426
Historically, Bourne shells didn't have true and false as built-in commands. true was instead ...
JavaScript global event mechanism
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answered Jun 4 '09 at 16:57
Ionuț G. StanIonuț G. Stan
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jQuery Click fires twice when clicking on label
...his happen?
– chovy
Dec 12 '13 at 1:44
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Because there are nested items. Each item in the hierarc...
Find and replace in file and overwrite file doesn't work, it empties the file
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tripleee
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answered Mar 2 '11 at 18:48
codaddictcodad...
Why is iterating through a large Django QuerySet consuming massive amounts of memory?
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answered Nov 19 '10 at 5:44
eternicodeeternicode
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How do I create test and train samples from one dataframe with pandas?
...2]: msk = np.random.rand(len(df)) < 0.8
In [13]: train = df[msk]
In [14]: test = df[~msk]
And just to see this has worked:
In [15]: len(test)
Out[15]: 21
In [16]: len(train)
Out[16]: 79
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How to simplify a null-safe compareTo() implementation?
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edited Jun 23 '14 at 14:54
xehpuk
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How to get UTF-8 working in Java webapps?
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When is it better to use String.Format vs string concatenation?
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