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Saving utf-8 texts in json.dumps as UTF8, not as \u escape sequence

...veats to take into account. If you are writing this to a file, you can use io.open() instead of open() to produce a file object that encodes Unicode values for you as you write, then use json.dump() instead to write to that file: with io.open('filename', 'w', encoding='utf8') as json_file: json...
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How can I use Timer (formerly NSTimer) in Swift?

...de func viewDidLoad() { super.viewDidLoad() // Swift block syntax (iOS 10+) let timer = Timer(timeInterval: 0.4, repeats: true) { _ in print("Done!") } // Swift >=3 selector syntax let timer = Timer.scheduledTimer(timeInterval: 0.4, target: self, selector: #selector(self.updat...
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Append lines to a file using a StreamWriter

...ile. Each time the stream for the file is opened, its seek pointer is positioned at the beginning so all writes end up overwriting what was there before. You can solve the problem in two ways: either with the convenient file2 = new StreamWriter("c:/file.txt", true); or by explicitly repositioni...
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ViewController respondsToSelector: message sent to deallocated instance (CRASH)

Ok, here is the deal, I hate putting out questions about my debugging and crashes. Because I usually handle them myself, but I just cannot get my way around this, even after viewing multiple questions already . ...
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Explaining difference between automaticallyAdjustsScrollViewInsets, extendedLayoutIncludesOpaqueBars

I have been reading a lot about iOS7 UI transition. 5 Answers 5 ...
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Hide the cursor of an UITextField

...he user taps the text field, a picker is summoned for them to select an option from. 13 Answers ...
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Getting file names without extensions

... You can use Path.GetFileNameWithoutExtension: foreach (FileInfo fi in smFiles) { builder.Append(Path.GetFileNameWithoutExtension(fi.Name)); builder.Append(", "); } Although I am surprised there isn't a way to get this directly from the FileInfo (or at lea...
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Detecting a mobile browser

I'm looking for a function which return boolean value if user has mobile browser or not. 36 Answers ...
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File is universal (three slices), but it does not contain a(n) ARMv7-s slice error for static librar

I upgraded Xcode version and when using external static libraries, I get this message: 8 Answers ...
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Viewing complete strings while debugging in Eclipse

While debugging Java code, Strings in the views "Variables" and "Expressions" show up only till a certain length, after which Eclipse shows "..." ...