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Using Pairs or 2-tuples in Java [duplicate]

...to design this class further regarding equality, immutability, etc., especially if you plan to use instances as keys for hashing. share | improve this answer | follow ...
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Python argparse: default value or specified value

... import argparse parser = argparse.ArgumentParser() parser.add_argument('--example', nargs='?', const=1, type=int) args = parser.parse_args() print(args) % test.py Namespace(example=None) % test.py --example Namespace(example=1) % test.py --example 2 Namespace(example=2) nargs...
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Anonymous recursive PHP functions

... pass it by reference. Be aware, that if you modify the $factorial before calling the function, the result will change as it's passed by reference. – Marius Balčytis Sep 13 '12 at 21:48 ...
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How to only get file name with Linux 'find'?

I'm using find to all files in directory, so I get a list of paths. However, I need only file names. i.e. I get ./dir1/dir2/file.txt and I want to get file.txt ...
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How add context menu item to Windows Explorer for folders [closed]

... HKEY_CURRENT_USER\Software\Classes\*\shell if you are a normal user In all cases: add a new key under shell, naming it as you want to name the context menu item add a new key inside this key, named command (mandatory name) edit the default property in command to myprogrampath\path\path\executa...
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How to prevent ifelse() from turning Date objects into numeric objects

...irst this felt a little "hackish" to me. But now I just think of it as a small price to pay for the performance returns that I get from ifelse(). Plus it's still a lot more concise than a loop. share | ...
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Completion handler for UINavigationController “pushViewController:animated”?

...rface UINavigationController (CompletionHandler) - (void)completionhandler_pushViewController:(UIViewController *)viewController animated:(BOOL)animated completion:(void (^)(void))completion; @end Implementation: #import "UIN...
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Win32汇编--使用MASM - C/C++ - 清泛网 - 专注C/C++及内核技术

... invoke MessageBox, NULL, offset szText, offset szCaption, MB_OK invoke ExitProcess, NULL ;>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> end start 怎么样,看来和上面的C以及DOS汇编又不同了吧!...
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Command-line Tool to find Java Heap Size and Memory Used (Linux)?

...tion which options of jstat one should use in order to verify just the overall memory usage of a JVM? Let's say you start the JVM with Xms=4g and Xmx=4g and you want to see, how much memory of that is already used? – basZero Feb 5 '14 at 9:44 ...
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How do I add a path to PYTHONPATH in virtualenv

... You can usually avoid having to do anything with PYTHONPATH by using .pth files. Just put a file with a .pth extension (any basename works) in your virtualenv's site-packages folder, e.g. lib\python2.7\site-packages, with the absolute p...