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How to check if an array field contains a unique value or another array in MongoDB?
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Try this out:
db.blogpost.find({ 'tags' : 'tag1'}); //1
db.blogpost.find({ 'tags' : { $all : [ 'tag1', 'tag2' ] }}); //2
db.blogpost.find({ 'tags' : { $in : [ 'tag3', 'tag4' ] }}); //3
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Rails: convert UTC DateTime to another time zone
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edited Apr 23 '10 at 14:42
answered Apr 23 '10 at 2:42
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What are the differences between the BLOB and TEXT datatypes in MySQL?
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TEXT and CHAR will convert to/from the character set they have associated with time. BLOB and ...
Django self-referential foreign key
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edited May 25 at 16:21
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Call to getLayoutInflater() in places not in activity
...utton = (Button) view.findViewById( R.id.myButton );
EDIT as of July 2014
Davide's answer on how to get the LayoutInflater is actually more correct than mine (which is still valid though).
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'typeid' versus 'typeof' in C++
...ou are talking about GCC's typeof, then a similar feature is present in C++11 through the keyword decltype. Again, C++ has no such typeof keyword.
typeid is a C++ language operator which returns type identification information at run time. It basically returns a type_info object, which is equality-...
Renew Push certificate and keep current App Store App working
...continue working you only have to create a new certificate and deploy the p12 file (or whatever other format you are using) at your server. You don't have to submit a new version of your app.
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How does OpenID authentication work?
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edited Jun 20 at 9:12
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111 silver badge
answered Dec 9 '08 at 19:19
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Custom error pages on asp.net MVC3
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Here's an example of how I handle custom errors. I define an ErrorsController with actions handl...