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How do I test which class an object is in Objective-C?

...ourObject class]); or c-function from objective-c runtime api: #import <objc/runtime.h> /* ... */ const char* className = class_getName([yourObject class]); NSLog(@"yourObject is a: %s", className); EDIT: In Swift if touch.view is UIPickerView { // touch.view is of type UIPickerVie...
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Remove directory from remote repository after adding them to .gitignore

I committed and pushed some directory to github. After that, I altered the .gitignore file adding a directory that should be ignored. Everything works fine, but the (now ignored) directory stays on github. ...
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mysql update column with value from another table

...FROM TableA WHERE TableA.name = TableB.name ) **where TableB.id < X** ; share | improve this answer | follow | ...
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Python extending with - using super() Python 3 vs Python 2

... the one from the base. Things start being complicated if you introduce multiple inheritance (subclassing more than one class at a time). This is because if more than one base class has __init__, your class will inherit the first one only. In such cases, you should really use super if you can, I'l...
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Zero-pad digits in string

... There's also str_pad <?php $input = "Alien"; echo str_pad($input, 10); // produces "Alien " echo str_pad($input, 10, "-=", STR_PAD_LEFT); // produces "-=-=-Alien" echo str_pad($input, 10, "_", STR_PAD_BOTH); // produ...
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Browse the files created on a device by the iOS application I'm developing, on workstation?

... Not necessary to do this with iPhone Simulator, as you can browse to <User>/Library/Application Support/iPhone Simulator to access the contents of your simulator apps. – Shannon Sep 26 '13 at 19:48 ...
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Visual Studio Immediate window: how to see more than the first 100 items

...indow rather than looking in the watch window. You can easily see more results than the first 100 by using: yourList.Skip(100).ToArray() Which really doesn't take long to write and works well - was useful for me. Update: As pointed out in the comments below, this answer is actually wrong and app...
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When and how should I use a ThreadLocal variable?

...read-safe, so give one to each thread private static final ThreadLocal<SimpleDateFormat> formatter = new ThreadLocal<SimpleDateFormat>(){ @Override protected SimpleDateFormat initialValue() { return new SimpleDateFormat("yyyyMMdd HHmm"); } ...
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How to view AndroidManifest.xml from APK file?

... I get: Exception in thread "main" brut.androlib.AndrolibException: Multiple resources: at brut.androlib.res.data.ResConfig.addResource(Unknown Source) – WindRider Oct 2 '12 at 15:29 ...
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What is the difference between “text” and new String(“text”)?

...ed. String literals on the other hand are reused. If you use "text" in multiple places of your class it will in fact be one and only one String (i.e. multiple references to the same string in the pool). share | ...