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UITableViewCell, show delete button on swipe

... During startup in (-viewDidLoad or in storyboard) do: self.tableView.allowsMultipleSelectionDuringEditing = NO; Override to support conditional editing of the table view. This only needs to be implemented if you are going to be returning NO for some items. By default, all items are editable....
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Check if PHP session has already started

I have a PHP file that is sometimes called from a page that has started a session and sometimes from a page that doesn't have session started. Therefore when I have session_start() on this script I sometimes get the error message for "session already started". For that I've put these lines: ...
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Bad class file magic or version

...K section, when you add an Android SDK you should provide the Java SDK and all my Android SDKs uses Java 8 as SDK so it create the class files with the wrong version even if the Project level is 1.7 (i don't know why, i supposed that everything was choosed by Project level). Now i changed the SDK (...
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How to clone all remote branches in Git?

..., StackOverflow has grown quite a bit in terms of quality. This "answer" really does not address the question at all. In fact, few of the top-voted answers do. Here are two answers that will work as of git v2.28.0: https://stackoverflow.com/a/4754797/430062 https://stackoverflow.com/a/7216269/43006...
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How can I access “static” class variables within class methods in Python?

... As with all good examples, you've simplified what you're actually trying to do. This is good, but it is worth noting that python has a lot of flexibility when it comes to class versus instance variables. The same can be said of meth...
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Android NDK C++ JNI (no implementation found for native…)

...g the function prototype name wrong, another is failing to load the .so at all. Are you sure that System.loadLibrary() is being called before the method is used? If you don't have a JNI_OnLoad function defined, you may want to create one and have it spit out a log message just to verify that the l...
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What is the most robust way to force a UIView to redraw?

...ouble with that, you're likely running into one of these issues: You're calling it before you actually have the data, or your -drawRect: is over-caching something. You're expecting the view to draw at the moment you call this method. There is intentionally no way to demand "draw right now this ver...
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How do I remove all specific characters at the end of a string in PHP?

... using rtrim replaces all "." at the end, not just the last character $string = "something here.."; echo preg_replace("/\.$/","",$string); share | ...
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ADB No Devices Found

I am attempting to install an Android app on my brand new Nexus 10 . I have a .apk file. I have downloaded the Android SDK, installed "Android SDK Tools", "Android SDK Platform-tools", and Google USB Driver. I have checked the setting on my Nexus 10 for "Unknown Sources". ...
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What really happens in a try { return x; } finally { x = null; } statement?

...L level you can't return from inside an exception-handled block. It essentially stores it in a variable and returns afterwards i.e. similar to: int tmp; try { tmp = ... } finally { ... } return tmp; for example (using reflector): static int Test() { try { return SomeNumber(); ...