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What does -D_XOPEN_SOURCE do/mean?
...ne _XOPEN_SOURCE 600
#define _XOPEN_SOURCE 700
at the top of your source file before doing any #includes if you want to use strdup.
Or you could put
#define _GNU_SOURCE
there instead, which enables all functionality, with the downside that it might not compile on Solaris, FreeBSD, Mac OS X, et...
How to get an IFrame to be responsive in iOS Safari?
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It was 2 years ago when I wrote this. Can you file an issue in the repo?
– Pier
May 7 '18 at 17:56
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When to create a new app (with startapp) in Django?
...ew applications for each logically separate set of models. e.g.:
User Profiles
Forum Posts
Blog posts
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.bashrc at ssh login
... sourced when you log in using SSH. You need to source it in your .bash_profile like this:
if [ -f ~/.bashrc ]; then
. ~/.bashrc
fi
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Reset the database (purge all), then seed a database
...set which drops and then recreates the database and includes your seeds.rb file.
http://guides.rubyonrails.org/migrations.html#resetting-the-database
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How to switch back to 'master' with git?
...ithub. Then i created a new branch; create a directory 'example' with some files inside and commited the branch. Now i want to get back to the initial stage (master) without the 'example' directory that i've create in the new branch.
– Disco
Sep 14 '11 at 13:45...
No module named setuptools
I want to install setup file of twilio. When I install it through given command it is given me an error:
5 Answers
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Callback when CSS3 transition finishes
... you don't have to add a single line of messy CSS3 transitions in your CSS file in order to do the animation effects.
Here is an example that will transition an element's opacity to 0 when you click on it and will be removed once the transition is complete:
$("#element").click( function () {
$...
How does “do something OR DIE()” work in PHP?
... case of errors. Please, correct me if I'm wrong, but if you do func_call($file) or die(); and the function fails, then the file is left open when the scripts dies.
– pedromanoel
Nov 27 '12 at 11:06
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Get ffmpeg information in friendly way
Every time I try to get some information about my video files with ffmpeg, it pukes a lot of useless information mixed with good things.
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