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Better way to shuffle two numpy arrays in unison
...t the current behavior is perhaps unlikely to change, and a very simple doctest does make confirming correct behavior very easy...
– Josh Bleecher Snyder
Jan 5 '11 at 17:49
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counting number of directories in a specific directory
...ugin
.vim/syntax
.vim/ftplugin
.vim/bundle
.vim/ftdetect
You can instead test the directory's children and do not descend into them at all:
$ find .vim/* -maxdepth 0 -type d
.vim/after
.vim/autoload
.vim/bundle
.vim/colors
.vim/compiler
.vim/doc
.vim/ftdetect
.vim/ftplugin
.vim/indent
.vim/plugin...
JavaScript “new Array(n)” and “Array.prototype.map” weirdness
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@TrevNorris, you can easily test that with hasOwnProperty unless hasOwnProperty itself has a bug: (new Array(1)).hasOwnProperty(0) === false and [undefined].hasOwnProperty(0) === true. In fact, you can do the exact same with in: 0 in [undefined] === tru...
Find the last element of an array while using a foreach loop in PHP
...but I think it got little complex compared to this one. I have not ran any tests but I guess this answer shall be faster as it is not extracting array of keys.This shall have O(1) speed
– Vaibhav Kamble
Mar 20 '09 at 7:09
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Why a function checking if a string is empty always returns true? [closed]
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PHP have a built in function called empty()
the test is done by typing
if(empty($string)){...}
Reference php.net : php empty
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Django datetime issues (default=datetime.now())
... use of a callable for default (django-chinese-docs-14.readthedocs.io/en/latest/ref/models/…)
– Mark
Jan 1 '17 at 14:41
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“Cannot update paths and switch to branch at the same time”
...f the confusing git checkout, with Git 2.23+ (August 2019).
git switch -c test --track origin/master
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Use Expect in a Bash script to provide a password to an SSH command
...sh.
An example:
sshpass -p<password> ssh <arguments>
sshpass -ptest1324 ssh user@192.168.1.200 ls -l /tmp
The above command can be easily integrated with a Bash script.
Note: Please read the Security Considerations section in man sshpass for a full understanding of the security implicat...
MySQL error 1449: The user specified as a definer does not exist
...er to another where the user that created the routines didn't exist on the test server.
– drew010
Dec 7 '12 at 20:26
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Inserting string at position x of another string
...nyone who reads this in the future. jsperf.com/javascript-string-splice. Tested in latest FF/Chrome/IE10/IE9. I would use lean nickf's approach over this one for both clarity and performance.
– junkyspace
Aug 15 '13 at 19:47
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