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Reliable way for a Bash script to get the full path to itself [duplicate]
... community wiki
12 revs, 7 users 48%T.J. Crowder
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E11000 duplicate key error index in mongodb mongoose
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answered Jun 26 '14 at 12:18
RickNRickN
8,05044 gold badges1616 silver badges2020 bronze badges
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What are unit tests, integration tests, smoke tests, and regression tests?
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edited Jun 1 at 12:54
Peter Mortensen
26.5k2121 gold badges9292 silver badges122122 bronze badges
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How do you trigger a block after a delay, like -performSelector:withObject:afterDelay:?
...s from your local scope instead.
int parameter1 = 12;
float parameter2 = 144.1;
// Delay execution of my block for 10 seconds.
dispatch_after(dispatch_time(DISPATCH_TIME_NOW, 10 * NSEC_PER_SEC), dispatch_get_main_queue(), ^{
NSLog(@"parameter1: %d parameter2: %f", parameter1, parameter2);
});
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Get file version in PowerShell
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143
Since PowerShell can call .NET classes, you could do the following:
[System.Diagnostics.FileVe...
Pip freeze vs. pip list
...r pip to understand, which is
feedparser==5.1.3
wsgiref==0.1.2
django==1.4.2
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That is the "requirements format".
Here, django==1.4.2 implies install django version 1.4.2 (even though the latest is 1.6.x).
If you do not specify ==1.4.2, the latest version available would be installed.
You c...
(Built-in) way in JavaScript to check if a string is a valid number
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2466
To check if a variable (including a string) is a number, check if it is not a number:
This wo...
django urls without a trailing slash do not redirect
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answered Oct 20 '09 at 18:49
JiaaroJiaaro
63k3838 gold badges150150 silver badges180180 bronze badges
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Difference between MVC 5 Project and Web Api Project
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4 Answers
4
Active
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Get file size, image width and height before upload
...l be a URL representing the Blob object
<img src="blob:null/026cceb9-edr4-4281-babb-b56cbf759a3d">
const EL_browse = document.getElementById('browse');
const EL_preview = document.getElementById('preview');
const readImage = file => {
if ( !(/^image\/(png|jpe?g|gif)$/).test(fi...