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.NET: Which Exception to Throw When a Required Configuration Setting is Missing?
...re not limited in your exception-throwing to existing exceptions in the Framework. If you do decide to use existing exceptions, you don't absolutely have to follow the documentation to the letter. The documentation will describe how the framework uses a given exception, but doesn't imply any limit...
EditText, clear focus on touch outside
...ext , it receives focus and the on-screen keyboard pops up. When I click somewhere outside of the EditText , it still has the focus (it shouldn't).
I guess I could set up OnTouchListener 's on the other views in layout and manually clear the EditText 's focus. But seems too hackish...
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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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