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Check for current Node Version
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answered Jul 11 '11 at 20:54
yojimbo87yojimbo87
57.1k2121 gold badges118118 silver badges128128 bronze badges
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Hidden features of HTML
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5
There's one major drawback: when a file is saved to disk and accessed using the file: protocol, the browser won't be able to find the resour...
Undoing a git rebase
...before reseting with the --hard option).
Suppose the old commit was HEAD@{5} in the ref log:
git reset --hard HEAD@{5}
In Windows, you may need to quote the reference:
git reset --hard "HEAD@{5}"
You can check the history of the candidate old head by just doing a git log HEAD@{5} (Windows: gi...
How to apply a function to two columns of Pandas dataframe
...n [49]: df
Out[49]:
0 1
0 1.000000 0.000000
1 -0.494375 0.570994
2 1.000000 0.000000
3 1.876360 -0.229738
4 1.000000 0.000000
In [50]: def f(x):
....: return x[0] + x[1]
....:
In [51]: df.apply(f, axis=1) #passes a Series object, row-wise
Out[51]:
0 1....
How to get whole and decimal part of a number?
Given, say, 1.25 - how do I get "1" and ."25" parts of this number?
16 Answers
16
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How do I use a PriorityQueue?
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455
Use the constructor overload which takes a Comparator<? super E> comparator and pass in a...
Is 'switch' faster than 'if'?
... void call<4u>() # TAILCALL
jmp void call<5u>() # TAILCALL
jmp void call<6u>() # TAILCALL
jmp void call<7u>() # TAILCALL
jmp void call<8u>() # TAILCALL
jmp void call&...
What is the difference between the different methods of putting JavaScript code in an ?
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answered Oct 29 '08 at 5:35
cowgodcowgod
8,19644 gold badges3737 silver badges5555 bronze badges
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Rails: select unique values from a column
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454
Model.select(:rating)
Result of this is a collection of Model objects. Not plain ratings. And...
Dictionaries and default values
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edited Jan 23 '19 at 5:30
Solomon Ucko
2,42022 gold badges1212 silver badges2727 bronze badges
answ...