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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
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Installed Java 7 on Mac OS X but Terminal is still using version 6
...yes, found it. but still version 1.6 in terminal, do i need to reboot or something
– Yang
Oct 6 '12 at 7:19
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Returning a file to View/Download in ASP.NET MVC
...hat I want is a view listing two links, one to view the file and let the mimetype sent to the browser determine how it should be handled, and the other to force a download.
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Python circular importing?
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I think the answer by jpmc26, while by no means wrong, comes down too heavily on circular imports. They can work just fine, if you set them up correctly.
The easiest way to do so is to use import my_module syntax, rather than from my_module import some_object. The f...
Test if element is present using Selenium WebDriver?
Is there a way how to test if an element is present? Any findElement method would end in an exception, but that is not what I want, because it can be that an element is not present and that is okay, that is not a fail of the test, so an exception can not be the solution.
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