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Can I make the foreign key field optional in Django model
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Android emulator shows nothing except black screen and adb devices shows “device offline”
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Unpivot with column name
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edited Apr 27 '18 at 16:20
dasblinkenlight
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How do I flag a method as deprecated in Objective-C 2.0?
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Deprecation Syntax
Syntax is provided to mark methods as deprecated:
@interface SomeClass
-m...
How can I reset a react component including all transitively reachable state?
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edited Apr 19 '18 at 6:54
ron4ex
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How to get label of select option with jQuery?
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Reducing the space between sections of the UITableView
...to reduce the space between two sections of a UITableView? There are about 15 pixels between every single section I have. I did already try to return 0 for -tableView:heightForFooterInSection: and -tableView:heightForHeaderInSection: but that doesn't change anything.
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How to automatically start a service when running a docker container?
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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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Difference between android.app.Fragment and android.support.v4.app.Fragment
...the native version of the Android SDK. It was introduced in Android 3 (API 11).
If you want to make your app use fragments, and want to target devices before API 11, you must use android.support.v4.app.Fragment. However, if you're only targeting devices running API 11 or above, you can use android....