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Why is Scala's immutable Set not covariant in its type?
EDIT : Re-written this question based on original answer
3 Answers
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Blurry text after using CSS transform: scale(); in Chrome
... 2ne2ne
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14
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NoClassDefFoundError: android.support.v7.internal.view.menu.MenuBuilder
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In my tests, based on a review of the generated proguard mapping file, this suggested proguard config does not result in obfuscating the MenuBuilder class name, although it does obfuscate SubMenuBuilder.
– Andy Denni...
Django FileField with upload_to determined at runtime
...ation:
In most cases, this object will not have been saved to the database yet, so if it uses the default AutoField, it might not yet have a value for its primary key field.
Therefore the validity of using pk depends on how your particular model is defined.
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How to determine height of UICollectionView with FlowLayout
...to specify any height constraints for the collection view as it would vary based on the contents of the collection view.
Given below is the implementation:
@interface DynamicCollectionView : UICollectionView
@end
@implementation DynamicCollectionView
- (void) layoutSubviews
{
[super layout...
How to read the database table name of a Model instance?
Given a model's instance object, how can I get the database table's name?
1 Answer
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How to check if a file exists in Documents folder?
...ist.
NSFileManager Class Reference
Note: Attempting to predicate behavior based on the current state of the file system or a particular file on the file system is not recommended. Doing so can cause odd behavior or race conditions. It's far better to attempt an operation (such as loading a file or ...
Xml Namespace breaking my xpath! [duplicate]
...mrogermushroom
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Can mustache iterate a top-level array?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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html5 localStorage error with Safari: “QUOTA_EXCEEDED_ERR: DOM Exception 22: An attempt was made to
...t solution that doesn't expose/add any new variables. It doesn't cover all bases, but it should suit most people who just want a single page app to remain functional (despite no data persistence after reload).
(function(){
try {
localStorage.setItem('_storage_test', 'test');
loc...