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How to create a temporary directory?
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350
Use mktemp -d. It creates a temporary directory with a random name and makes sure that file do...
How to extract text from a string using sed?
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answered Jul 19 '12 at 20:39
tripleeetripleee
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Filter element based on .data() key/value
...atBaroqueBobcat
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6
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Understanding dict.copy() - shallow or deep?
...ed by value, but just creating a new reference.
>>> a = {1: [1,2,3]}
>>> b = a.copy()
>>> a, b
({1: [1, 2, 3]}, {1: [1, 2, 3]})
>>> a[1].append(4)
>>> a, b
({1: [1, 2, 3, 4]}, {1: [1, 2, 3, 4]})
In contrast, a deep copy will copy all contents by value....
Regular expression: find spaces (tabs/space) but not newlines
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answered Aug 27 '10 at 10:03
LekensteynLekensteyn
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How to install both Python 2.x and Python 3.x in Windows
I do most of my programming in Python 3.x on Windows 7, but now I need to use the Python Imaging Library (PIL), ImageMagick, and wxPython, all of which require Python 2.x.
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Getting current unixtimestamp using Moment.js
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abagshaw
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answered Aug 26 '14 at 15:18
Matt Johnson-PintMatt...
Hibernate problem - “Use of @OneToMany or @ManyToMany targeting an unmapped class”
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BozhoBozho
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What do helper and helper_method do?
...s means is doing
# application_controller.rb
helper :all
For Rails > 3.1
# application.rb
config.action_controller.include_all_helpers = true
# This is the default anyway, but worth knowing how to turn it off
makes all helper modules available to all views (at least for all controllers inhe...
How to flatten only some dimensions of a numpy array
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answered Sep 12 '13 at 7:27
AlexanderAlexander
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