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Version of Apache installed on a Debian machine
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How do I clone a single branch in Git?
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What does __FILE__ mean in Ruby?
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It is a reference to the current file name. In the file foo.rb, __FILE__ would be interpreted ...
How do I put an already-running process under nohup?
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How does @synchronized lock/unlock in Objective-C?
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edited Aug 25 '15 at 23:28
tchrist
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Useful code which uses reduce()? [closed]
...n Scheme a lot...
Here's some cute usages:
Flatten a list
Goal: turn [[1, 2, 3], [4, 5], [6, 7, 8]] into [1, 2, 3, 4, 5, 6, 7, 8].
reduce(list.__add__, [[1, 2, 3], [4, 5], [6, 7, 8]], [])
List of digits to a number
Goal: turn [1, 2, 3, 4, 5, 6, 7, 8] into 12345678.
Ugly, slow way:
int("".j...
What does a tilde do when it precedes an expression?
...rator that flips all bits in its operand.
For example, if your number was 1, its binary representation of the IEEE 754 float (how JavaScript treats numbers) would be...
0011 1111 1111 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000
So ~ converts its operand to a 32 bit integer (...
python pandas dataframe to dictionary
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Remove an item from a dictionary when its key is unknown
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Python matplotlib multiple bars
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import matplotlib.pyplot as plt
from matplotlib.dates import date2num
import datetime
x = [
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