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Using `textField:shouldChangeCharactersInRange:`, how do I get the text including the current typed

...e delete button, it'd delete two characters. For me, the following suggestion worked: stackoverflow.com/questions/388237/… Basically, drag'n'drop from the UITextField into your code (to create a function), then right-click on your TextField, and drag'n'drop from the circle for the "Editing Cha...
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Generate fixed length Strings filled with whitespaces

I need to produce fixed length string to generate a character position based file. The missing characters must be filled with space character. ...
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What steps should I take to protect my Google Maps API Key?

...ould seem normal that it compared it, in some kind of way, with an information included in the key -- still, I did not try. ;;; @Brabster : :-) – Pascal MARTIN Sep 1 '09 at 22:50 ...
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Do something if screen width is less than 960 px

... You might want to combine it with a resize event: $(window).resize(function() { if ($(window).width() < 960) { alert('Less than 960'); } else { alert('More than 960'); } }); For R.J.: var eventFired = 0; if ($(window).width() < 960) { alert('Less than 960'); } else {...
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Locate current file in IntelliJ

...I locate the current file in the project structure? (Similar to Visual Studio's Ctrl + Alt + L ). What is the name of the operation (so I can define it in the keymap) ...
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How to increment a NSNumber

...ts's one-line answers better. They're more concise, and don't require additional variables. In order to increment an NSNumber, you're going to have to get its value, increment that, and store it in a new NSNumber. For instance, for an NSNumber holding an integer: NSNumber *number = [NSNumber nu...
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How to show the loading indicator in the top status bar

... It's in UIApplication: For Objective C: Start: [UIApplication sharedApplication].networkActivityIndicatorVisible = YES; End: [UIApplication sharedApplication].networkActivityIndicatorVisible = NO; For swift : Start UIApplication.shar...
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UIRefreshControl on UICollectionView only works if the collection fills the height of the container

I'm trying to add a UIRefreshControl to a UICollectionView , but the problem is that the refresh control does not appear unless the collection view fills up the height of its parent container. In other words, unless the collection view is long enough to require scrolling, it cannot be pulled down...
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Android应用内存泄露分析、改善经验总结 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...先解决常见的内存泄露问题,这个过程可以借助Android Studio的Analyze-Inspect Code对代码做静态分析,常见的内存泄露问题有: 非静态内部类导致的内存泄露,比如Handler,解决方法是将内部类写成静态内部类,在静态内部类中使...
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Setting an image for a UIButton in code

... @slcott, where does the documentation state that? I don't see it suggest anywhere that setImage is deprecated. (It appears to me you are confusing UIButton.setImage with UITableViewCell.image, which is a property deprecated as you stated.) ...