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Symbol for any number of any characters in regex?
...n (any whitespace or any non-whitespace) as many times as possible down to and including 0.
[\s\S]*
This expression will match as few as possible, but as many as necessary for the rest of the expression.
[\s\S]*?
For example, in this regex [\s\S]*?B will match aB in aBaaaaB. But in this regex...
Django ManyToMany filter()
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There are many examples of FOO__in=... style filters in the many-to-many and many-to-one tests. Here is syntax for your specific problem:
users_in_1zone = User.objects.filter(zones__id=<id1>)
# same thing but using in
users_in_1zone = User.objects.filter(zones__in=[<id1>])
# filter...
Show loading image while $.ajax is performed
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You can, of course, show it before making the request, and hide it after it completes:
$('#loading-image').show();
$.ajax({
url: uri,
cache: false,
success: function(html){
$('.info').append(html);
},
complete: function(){
$('#loadin...
.rar, .zip files MIME Type
I'm developing a simple php upload script, and users can upload only ZIP and RAR files.
6 Answers
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PHP function to get the subdomain of a URL
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Error: Strict Standards: Only variables should be passed by reference.
– Justin
Dec 9 '12 at 5:45
1
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UML class diagram enum
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| Tuesday |
| ... |
|_____________________|
And then just have an association between that and your class.
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How can I pass command-line arguments to a Perl program?
I'm working on a Perl script. How can I pass command line parameters to it?
9 Answers
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How does Rails keep track of which migrations have run for a database?
...runs a migration, it takes the leading digits in the migration's file name and inserts a row for that "version", indicating it has been run. If you roll back that migration, Rails will delete the corresponding row from schema_migrations.
For example, running a migration file named 20120620193144_cr...
How to hide one item in an Android Spinner
I am looking for a way to hide one item in an Android spinner widget. This would allow you to simulate a spinner with no items selected, and ensures that the onItemSelected() callback is always called for every item selected (if the hidden item is the "current" one). Normally there is always one ite...
Make Heroku run non-master Git branch
I have a project hosted on Heroku and it's gotten to the point where I want to make an alternate test server (so I can test Heroku workers without messing up production).
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