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Recursively list files in Java

How do I recursively list all files under a directory in Java? Does the framework provide any utility? 26 Answers ...
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Finish all previous activities

...en activity and finish it also (maybe launch login screen again from there or something). I am not sure but you can also try going to login with this flag. I don't know how the activities will be ordered in that case. So don't know if it will clear the ones below the screen you are on including the...
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NSInvocation for Dummies?

How exactly does NSInvocation work? Is there a good introduction? 4 Answers 4 ...
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Why doesn't Java allow to throw a checked exception from static initialization block?

... you could surround them with try-catch. Because you cannot handle any error indicated by a checked exception, it was decided to disallow throwing of checked exceptions static blocks. The static block must not throw checked exceptions but still allows unchecked/runtime-exceptions to be thrown. But...
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What does “1 line adds whitespace errors” mean when applying a patch?

I'm editing some markdown files of a cloned remote repository, and wanted to test creating and applying patches from one branch to another. However, every time I make any change at all, I get the following message during git apply : ...
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What's the difference between QMainWindow, QWidget and QDialog?

... A QWidget is the base class for all drawable classes in Qt. Any QWidget-based class can be shown as a window by showing it when it has no parent. A QDialog is based on QWidget, but designed to be shown as a window. It will always appear in a window, a...
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Is there a command to list all Unix group names? [closed]

...have users assigned to them, use this command: cut -d: -f1 /etc/group | sort For more info- > Unix groups, Cut command, sort command share | improve this answer | foll...
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Git for Windows - The Program can't start because libiconv2.dll is missing

When I attempt to run certain commands (like git push, for example) from a git Bash on Windows 7 (64bit) I get the error: 2...
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How do I install from a local cache with pip?

... Updated Answer 19-Nov-15 According to the Pip documentation: Starting with v6.0, pip provides an on by default cache which functions similarly to that of a web browser. While the cache is on by default and is designed do the right thing by default y...
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What is an efficient way to implement a singleton pattern in Java? [closed]

...Singleton public enum Elvis { INSTANCE; private final String[] favoriteSongs = { "Hound Dog", "Heartbreak Hotel" }; public void printFavorites() { System.out.println(Arrays.toString(favoriteSongs)); } } Edit: An online portion of "Effective Java" says: "This ...