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Difference between std::result_of and decltype

I have some trouble understanding the need for std::result_of in C++0x. If I understood correctly, result_of is used to obtain the resulting type of invoking a function object with certain types of parameters. For example: ...
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What are conventions for filenames in Go?

... There's a few guidelines to follow. File names that begin with "." or "_" are ignored by the go tool Files with the suffix _test.go are only compiled and run by the go test tool. Files with os and architecture specific suffixes automatically follow those same constraints, e.g. name_linux.go will...
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How do I create an abstract base class in JavaScript?

...act), // add class members to C.prototype, // provide optional C.prototype._init() method to initialise from constructor args, // call base class methods using Base.prototype.call(this, ...). // Function.prototype.subclass= function(isabstract) { if (isabstract) { var c= new Function( ...
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Default visibility of class methods in PHP

...sibility. <?php class Example { public $name; public function __construct() { $this -> age = 9; // age is now public $this -> privateFunction(); } private function privateFunction() { $this -> country = "USA"; // this is also public } } ...
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Add data annotations to a class generated by entity framework

...1}partial class {2}{3}{4}", Accessibility.ForType(entity), _code.SpaceAfter(_code.AbstractOption(entity)), _code.Escape(entity), _code.StringBefore(" : ", _typeMapper.GetTypeName(entity.BaseType)), stringsToMatch.Any(o => _code.Escape(entity).Contains(o.Key...
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Is Python strongly typed?

...stom type, you can make it implicitly convert anything to a number: def to_number(x): """Try to convert function argument to float-type object.""" try: return float(x) except (TypeError, ValueError): return 0 class Foo: def __init__(self, number): self....
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What does the brk() system call do?

...rge (say, >128K) allocations. See, for instance, the discussion of MMAP_THRESHOLD in the Linux malloc(3) manpage. – zwol Aug 9 '11 at 15:26 1 ...
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How do I view the list of functions a Linux shared library is exporting?

...AL DEFAULT UND 1: 00000000 0 FUNC GLOBAL DEFAULT UND pthread_mutex_unlock@GLIBC_2.0 (4) 2: 00000000 0 FUNC GLOBAL DEFAULT UND pthread_mutex_destroy@GLIBC_2.0 (4) 3: 00000000 0 NOTYPE WEAK DEFAULT UND _ITM_deregisterTMCloneTable 4: 00000000 0 FUNC ...
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Repeat a task with a time delay?

...er()); private Runnable mStatusChecker; private int UPDATE_INTERVAL = 2000; /** * Creates an UIUpdater object, that can be used to * perform UIUpdates on a specified time interval. * * @param uiUpdater A runnable containing the update ro...
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UICollectionView current visible cell index

...ndexPath); } } Update to Swift 5: func scrollViewDidEndDecelerating(_ scrollView: UIScrollView) { for cell in yourCollectionView.visibleCells { let indexPath = yourCollectionView.indexPath(for: cell) print(indexPath) } } ...