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jQuery remove options from select
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It works on either option tag or text field:
$("#idname option[value='option1']").remove();
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Collection that allows only unique items in .NET?
...is HashSet<T> hash, T item)
{
if (!hash.Add(item))
throw new ValueExistingException();
}
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jQuery: how to get which button was clicked upon form submission?
...ttons in case the form submit is handled in an ajax way and you want to avoid getting previsouly clicked button again.
– Chandu
Apr 19 '11 at 19:45
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bash: shortest way to get n-th column of output
...".
If you know the bash, the zsh is not much of a change except for some new features.
HTH Chris
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Backwards migration with Django South
...f.py
Normally, when you run ./manage.py migrate your_app, South runs all new migrations, in order. (It looks at the database tables to decide which ones are 'new').
However, you can also specify any migration by number, and South will migrate your database, either forward or backward, to take it ...
Switch branch names in git
...pful. You could rename your old master to something else, then rename your new branch to master:
git branch -m master crap_work
git branch -m previous_master master
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How to uncheck a radio button?
... (jQuery)
$(this).prop('checked', false);
// Note that the pre-jQuery 1.6 idiom was
// $(this).attr('checked', false);
See jQuery prop() help page for an explanation on the difference between attr() and prop() and why prop() is now preferable.
prop() was introduced with jQuery 1.6 in May 2011.
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How do I create a directory from within Emacs?
How exactly can I create a new directory using Emacs? What commands do I use? (If possible, please provide an example)
6 An...
How do I create a SHA1 hash in ruby?
... I used
require 'base64'
require 'hmac-sha1'
Base64.encode64((HMAC::SHA1.new('key') << 'base').digest).strip
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How do I open the SearchView programmatically?
There is this widget for the ActionBar which called 'SearchView'.
When it's not in use, it looks like this:
7 Answers
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