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setting an environment variable in virtualenv
...te
#!/bin/bash
# This hook is run before this virtualenv is deactivated.
unset DJANGO_DEBUG
$ deactivate
$ echo $DJANGO_DEBUG
Remember that if using this for environment variables that might already be set in your environment then the unset will result in them being completely unset on leaving th...
Get name of currently executing test in JUnit 4
In JUnit 3, I could get the name of the currently running test like this:
14 Answers
1...
How can I get the Google cache age of any URL or web page? [closed]
In my project I need the Google cache age to be added as important information. I tried to search sources for the Google cache age, that is, the number of days since Google last re-indexed the page listed.
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Is there an easy way to return a string repeated X number of times?
I'm trying to insert a certain number of indentations before a string based on an items depth and I'm wondering if there is a way to return a string repeated X times. Example:
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Swift - encode URL
...stringByAddingPercentEncodingWithAllowedCharacters(.URLHostAllowedCharacterSet())
println("escapedString: \(escapedString)")
Output:
test%2Ftest
The following are useful (inverted) character sets:
URLFragmentAllowedCharacterSet "#%<>[\]^`{|}
URLHostAllowedCharacterSet "#%/<...
Go to beginning of line without opening new line in VI
For ages now I've used SHIFT O and SHIFT $ to move to the beginning and end of a line in vi .
10 Answers
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Declaring array of objects
I have a variable which is an array and I want every element of the array to act as an object by default. To achieve this, I can do something like this in my code.
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cocktail party algorithm SVD implementation … in one line of code?
In a slide within the introductory lecture on machine learning by Stanford's Andrew Ng at Coursera, he gives the following one line Octave solution to the cocktail party problem given the audio sources are recorded by two spatially separated microphones:
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Parse query string in JavaScript [duplicate]
...params,p,i,j) {
return function (qs) {
// start bucket; can't cheat by setting it in scope declaration or it overwrites
params = {};
// remove preceding non-querystring, correct spaces, and split
qs = qs.substring(qs.indexOf('?')+1).replace(x,' ').split('&');
// march and par...
How to merge two arrays in JavaScript and de-duplicate items
... You could merge different for IE6-support: c = Array.from(new Set(c));
– Tobi G.
Oct 18 '16 at 22:37
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