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Storing custom objects in an NSMutableArray in NSUserDefaults

...ray]; if (oldSavedArray != nil) objectArray = [[NSMutableArray alloc] initWithArray:oldSavedArray]; else objectArray = [[NSMutableArray alloc] init]; } You should check that the data returned from the user defaults is not nil, because I believe unarchiving from nil causes a...
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Android: Specify two different images for togglebutton using XML

...d come last. Arrange the items in the following manner to ensure they will all be utilized: <selector xmlns:android="http://schemas.android.com/apk/res/android"> <item android:state_checked="true" android:state_pressed="true" /> //currently pressed turning the toggle on <item...
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What is a PDB file?

...ld than in a Debug build anyway. But if you want it to not be generated at all, go to your project's Build properties, select the Release configuration, click on "Advanced..." and under "Debug Info" pick "None". share ...
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Combining multiple git repositories

... git pull code $ rm -rf code/code $ rm -rf code/.git $ git pull figures --allow-unrelated-histories $ rm -rf figures/figures $ rm -rf figures/.git $ git pull thesis --allow-unrelated-histories $ rm -rf thesis/thesis $ rm -rf thesis/.git Finally, you should now have what you wanted: phd |_.git...
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What are good uses for Python3's “Function Annotations”

... I think this is actually great. Coming from an academic background, I can tell you that annotations have proved themselves invaluable for enabling smart static analyzers for languages like Java. For instance, you could define semantics like sta...
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Long press gesture on UICollectionViewCell

...ILongPressGestureRecognizer *lpgr = [[UILongPressGestureRecognizer alloc] initWithTarget:self action:@selector(handleLongPress:)]; lpgr.delegate = self; lpgr.delaysTouchesBegan = YES; [self.collectionView addGestureRecognizer:lpgr]; } -(void)handleLongPress:...
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How to export revision history from mercurial or git to cvs?

...en we finish or maybe every once in a while we want to commit our code and all of our revision history to cvs. We don't have write access to the project's cvs repo so we can't commit very frequently. What tool can we use to export our revision history to cvs? Currently we were thinking of using git ...
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How to access outer class from an inner class?

...d Jan 7 '10 at 23:54 Daniel VassalloDaniel Vassallo 301k6666 gold badges475475 silver badges424424 bronze badges ...
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Why doesn't list have safe “get” method like dictionary?

...accessing list elements (as the len method is very fast). The .get method allows you to query the value associated with a name, not directly access the 37th item in the dictionary (which would be more like what you're asking of your list). Of course, you can easily implement this yourself: def sa...
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A migration to add unique constraint to a combination of columns

... Nope, it's all good. My bad! The unique constraint comes with the unique index. – Paul Cantrell Aug 24 '11 at 16:34 ...