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Remove trailing newline from the elements of a string list
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>>> my_list = ['this\n', 'is\n', 'a\n', 'list\n', 'of\n', 'words\n']
>>> map(str.strip, my_list)
['this', 'is', 'a', 'list', 'of', 'words']
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How to validate a url in Python? (Malformed or not)
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Note, with django >= 1.5 there is no verify_exists anymore. Also instead of the val variable you can call it like URLValidator()('http://www.google.com')
– luckydonald
Sep 21 '16 at 17:04
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How can I get WebStorm to recognize Jasmine methods?
...can use predefined JS library stubs in Webstorm/PHPStorm/Idea
Open File > Settings...
Select Languages & Frameworks > JavaScript > Libraries
Click on Download...
Swich to TypeScript community stubs
Find karma-jasmine (originally under the name jasmine) (If this does not work, try...
How to select records from last 24 hours using SQL?
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SELECT *
FROM table_name
WHERE table_name.the_date > DATE_SUB(CURDATE(), INTERVAL 1 DAY)
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Access multiple elements of list knowing their index
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Alternatives:
>>> map(a.__getitem__, b)
[1, 5, 5]
>>> import operator
>>> operator.itemgetter(*b)(a)
(1, 5, 5)
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What does this thread join code mean?
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A picture is worth a thousand words.
Main thread-->----->--->-->--block##########continue--->---->
\ | |
sub thread start()\ | join() |
\ | |
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Is it possible to download an old APK for my app from Google Play?
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Latest Update:
Go to
Developer Console => App releases => Production (Manage Production) => Release history => Select the version that you want => Click on Download button.
Your account should be granted with full permissions, otherwise the downloa...
How to create index on JSON field in Postgres?
...a 2 (?), how do I create an index on a JSON field? I tried it using the -> operator used for hstore but got the following error:
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Find all records which have a count of an association greater than zero
...tinct.
Project.joins(:vacancies).distinct
As an example
[10] pry(main)> Comment.distinct.pluck :article_id
=> [43, 34, 45, 55, 17, 19, 1, 3, 4, 18, 44, 5, 13, 22, 16, 6, 53]
[11] pry(main)> _.size
=> 17
[12] pry(main)> Article.joins(:comments).size
=> 45
[13] pry(main)> Arti...
Small Haskell program compiled with GHC into huge binary
...libs), for GNU/Linux 2.6.27, not stripped
$ ldd A
linux-vdso.so.1 => (0x00007fff1b9ff000)
libXrandr.so.2 => /usr/lib/libXrandr.so.2 (0x00007fb21f418000)
libX11.so.6 => /usr/lib/libX11.so.6 (0x00007fb21f0d9000)
libGLU.so.1 => /usr/lib/libGLU.so.1 (0x00007fb21ee6d000)
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