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Embedding Python in an iPhone app

... It doesn't really matter how you build Python -- you don't need to build it in Xcode, for example -- but what does matter is the product of that build. Namely, you are going to need to build something like libPython.a that can be statica...
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Accessing an SQLite Database in Swift

...robably use one of the many SQLite wrappers, if you wanted to know how to call the SQLite library yourself, you would: Configure your Swift project to handle SQLite C calls. If using Xcode 9 or later, you can simply do: import SQLite3 Create/open database. let fileURL = try! FileManager.default...
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Cannot find executable for CFBundle CertUIFramework.axbundle

...ated to Xcode 5 and this is the first error its throwing on the logger for all my apps. Can't seem to understand why this is happening. ...
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What does Java option -Xmx stand for? [duplicate]

...it says, -Xmxn Specify the maximum size, in bytes, of the memory allocation pool. This value must a multiple of 1024 greater than 2MB. Append the letter k or K to indicate kilobytes, or m or M to indicate megabytes. The default value is 64MB. The upper limit for this value will be approxim...
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Setting action for back button in navigation controller

...he view controller where you want to detect the press: -(void) viewWillDisappear:(BOOL)animated { if ([self.navigationController.viewControllers indexOfObject:self]==NSNotFound) { // back button was pressed. We know this is true because self is no longer // in the navigation stac...
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UICollectionView's cellForItemAtIndexPath is not being called

...ctionView cellForItemAtIndexPath:(NSIndexPath *)indexPath was not being called was because of the itemSize for the collectionViewFlowLayout's height was too big. [self.myCollectionViewFlowLayout setItemSize:CGSizeMake(320, 548)]; If I change the height to 410, it will execute cellForItemAtIndex...
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How do I get a file name from a full path with PHP?

...ray with the parts of the path. Or for the case here, you can just specifically ask for the filename. So pathinfo('/var/www/html/index.php', PATHINFO_FILENAME) should return 'index.php' PHP Pathinfo documentation – OnethingSimple Apr 19 '15 at 13:54 ...
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“From View Controller” disappears using UIViewControllerContextTransitioning

... goes black. The key UIWindow is completely empty – no view hierarchy at all! I played around a bit and it looks like there is an easy workaround, for simple cases. You can just re-add the toViewController's view as a subview of the key window's: transitionContext.completeTransition(true) UIAp...
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Android REST client, Sample?

...y if your use case demands it. For example, I do not have local storage at all; because my app can tolerate loss of a few REST responses. My approach uses just AsyncTasks under the covers. In my case, I "call" these Tasks from my Activity instance; but to fully account for cases like screen rotation...
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What's the purpose of using braces (i.e. {}) for a single-line if or loop?

...le is editor-agnostic beyond what you need, but not beyond what people actually use to edit C++. Hence "defensive". – Steve Jessop Aug 30 '12 at 10:11 ...