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What is Java String interning?

...nterning is implemented magically and efficiently with a dedicated CONSTANT_String_info struct (unlike most other objects which have more generic representations): A string literal is a reference to an instance of class String, and is derived from a CONSTANT_String_info structure (§4.4.3) in th...
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Python memory usage of numpy arrays

... b.__sizeof__() is equivalent to sys.getsizeof(b) – palash Feb 27 at 7:02 1 ...
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Passing functions with arguments to another function in Python?

... y): return x+y # declare partial function def addPartial(x): def _wrapper(y): return add(x, y) return _wrapper # run example def main(): f = addPartial(3) result = runOp(f, 1) # is 4 Use partial from functools This is almost identical to lambda shown above. Then why...
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Getting Checkbox Value in ASP.NET MVC 4

I'm working on an ASP.NET MVC 4 app. This app has a basic form. The model for my form looks like the following: 18 Answers ...
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Extract file name from path, no matter what the os/path format

...asename will be empty, so make your own function to deal with it: def path_leaf(path): head, tail = ntpath.split(path) return tail or ntpath.basename(head) Verification: >>> paths = ['a/b/c/', 'a/b/c', '\\a\\b\\c', '\\a\\b\\c\\', 'a\\b\\c', ... 'a/b/../../a/b/c/', 'a/b/../....
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Type or namespace name does not exist [closed]

...r, and selecting properties. Target Framework should be visible in default Application tab. – Cookie Jan 2 '12 at 6:26 4 ...
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Why does calling a function in the Node.js REPL with )( work?

..., World!"); } hi)( Error: SyntaxError: Unexpected token ) at Module._compile (module.js:439:25) at Object.Module._extensions..js (module.js:474:10) at Module.load (module.js:356:32) at Function.Module._load (module.js:312:12) at Function.Module.runMain (module.js:497:10) a...
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Styling multi-line conditions in 'if' statements? [closed]

...nd cond2 == 'val2' and cond3 == 'val3' and cond4 == 'val4'): do_something Also, don't forget the whitespace is more flexible than you might think: if ( cond1 == 'val1' and cond2 == 'val2' and cond3 == 'val3' and cond4 == 'val4' ): do_something if (cond1 == ...
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How to change default timezone for Active Record in Rails?

In my application.rb I came across the following comment 10 Answers 10 ...
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How do we use runOnUiThread in Android?

...I think I've misunderstood something, because on clicking the button - the app does not respond anymore 12 Answers ...