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PHP mkdir: Permission denied problem
...d user
chown -R www-data:www-data /path/to/webserver/www
Next enabled all members of the www-data group to read and write files
chmod -R g+rw /path/to/webserver/www
The php mkdir() function should now work without returning errors
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YouTube Video Embedded via iframe Ignoring z-index?
I'm trying to implement a horizontal multilevel dropdown navigation menu. Immediately below (vertically) the menu, I've got a YouTube video embedded via iframe. If I hover over one of the main level nav items in Firefox, the dropdown menu properly appears on top of the video.
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Gitignore not working
My .gitignore file isn't working for some reason, and no amount of Googling has been able to fix it. Here is what I have:
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How do I debug an MPI program?
...te debug output to a separate log file, but this doesn't really give the same freedom as a debugger.
16 Answers
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How can one check to see if a remote file exists using PHP?
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You can instruct curl to use the HTTP HEAD method via CURLOPT_NOBODY.
More or less
$ch = curl_init("http://www.example.com/favicon.ico");
curl_setopt($ch, CURLOPT_NOBODY, true);
curl_exec($ch);
$retcode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
// $retcode >= 40...
Why not abstract fields?
Why can't Java classes have abstract fields like they can have abstract methods?
5 Answers
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Java: difference between strong/soft/weak/phantom reference
...is article about the topic, but I don't really understand it.
Please give me some advice along with examples when describing the concepts.
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How to disable scrolling temporarily?
I'm using the scrollTo jQuery plugin and would like to know if it is somehow possible to temporarily disable scrolling on the window element through Javascript? The reason I'd like to disable scrolling is that when you scroll while scrollTo is animating, it gets really ugly ;)
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jQuery Datepicker onchange event issue
...vent from field");
});
<link href="http://code.jquery.com/ui/1.9.2/themes/smoothness/jquery-ui.css" rel="stylesheet" />
<input type='text' class='date'>
<script src="http://code.jquery.com/jquery-1.8.3.min.js"></script>
<script src="http://code.jquery.com/ui/1.9.2/jqu...
Django get the static files URL in view
...her way to do this. Personally I prefer this one, since it leaves the implementation to the Django framework.
# Original answer said:
# from django.templatetags.static import static
# Improved answer (thanks @Kenial, see below)
from django.contrib.staticfiles.templatetags.staticfiles import static
...