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Prevent users from submitting a form by hitting Enter
I have a survey on a website, and there seems to be some issues with the users hitting enter (I don't know why) and accidentally submitting the survey (form) without clicking the submit button. Is there a way to prevent this?
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Omitting the first line from any Linux command output
...red Sep 6 '11 at 10:41
Jeff FerlandJeff Ferland
16.3k33 gold badges3939 silver badges7171 bronze badges
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jQuery UI slider Touch & Drag/Drop support on Mobile devices
I have already styled and implemented jQuery UI slider into a project. Though it's responsive, the slider does not respond to being touched and dragged. Instead, you have to touch where you want the slider to go. I'd like to avoid swapping to jQuery mobile UI, which supports touching and dragging, s...
Which mime type should I use for mp3
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Chrome 26 knows better and uses audio/mp3... Go figure.
– Nux
Apr 5 '13 at 11:31
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Using semicolon (;) vs plus (+) with exec in find
...+), as many filenames as possible are passed as arguments to a single command:
ls file1 file2 file3
The number of filenames is only limited by the system's maximum command line length. If the command exceeds this length, the command will be called multiple times.
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Where is the “Fold” LINQ Extension Method?
... prod * next);
See MSDN for more information. It lets you specify a seed and then an expression to calculate successive values.
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YouTube API to fetch all videos on a channel
...date&maxResults=20
After that you will receive a JSON with video ids and details, and you can construct your video URL like this:
http://www.youtube.com/watch?v={video_id_here}
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How to determine the memory footprint (size) of a variable?
...mods-available/memprof.ini
sudo php5enmod memprof
service apache2 restart
And then in my code:
<?php
memprof_enable();
// do your stuff
memprof_dump_callgrind(fopen("/tmp/callgrind.out", "w"));
Finally open the callgrind.out file with KCachegrind
Using Google gperftools (recommended!)
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Callback on CSS transition
...vent listener to occur in bubble mode. One use of this is to attach event handlers right before they are needed in bubble mode. =) 37signals.com/svn/posts/…
– rybosome
Jul 29 '12 at 18:31
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How do I update a formula with Homebrew?
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I think can now just type brew upgrade outdated and skip all the complex crap.
– Warren P
Apr 6 '13 at 23:28
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