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Divide a number by 3 without using *, /, +, -, % operators
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In base 4 it gets even better: a / 3 = a * 0.111111 (base 4) = a * 4^-1 + a * 4^-2 + a * 4^-3 + (..) = a >> 2 + a >> 4 + a >> 6 + (..). The base 4 also explains why only 3 is rounded up at the end, while 1 and 2 can be rounded down.
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How to make a node.js application run permanently?
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DogNibblerDogNibbler
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ng-repeat :filter by single field
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Mark RajcokMark Rajcok
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How do I represent a hextile/hex grid in memory?
... a paid nerda paid nerd
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Replace multiple characters in one replace call
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answered May 16 '13 at 0:11
tckmntckmn
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Is it possible to use “/” in a filename?
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edited Mar 23 '12 at 23:11
answered Mar 23 '12 at 23:05
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Python Remove last 3 characters of a string
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That doesn't remove WHITESPACE as the OP requested; it removes only SPACE characters.
– John Machin
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What are the benefits of dependency injection containers?
...Coding anti-pattern.
– Raedwald
Apr 11 '12 at 12:29
@Raedwald What you are talking about is externalizing which can be...
Python Pandas: Get index of rows which column matches certain value
...need ordinal index values, you can compute them using np.flatnonzero:
In [110]: np.flatnonzero(df['BoolCol'])
Out[112]: array([0, 3, 4])
Use df.iloc to select rows by ordinal index:
In [113]: df.iloc[np.flatnonzero(df['BoolCol'])]
Out[113]:
BoolCol
10 True
40 True
50 True
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How do I use grep to search the current directory for all files having the a string “hello” yet disp
... stackoverflowstackoverflow
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