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Implement touch using Python?

...ave been renamed). Unfortunately, Python doesn't seem to provide a way to call futimes without going through ctypes or similar... EDIT As noted by Nate Parsons, Python 3.3 will add specifying a file descriptor (when os.supports_fd) to functions such as os.utime, which will use the futimes sysca...
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What is a C++ delegate?

...using std::bind) Allows setting some parameters in advance, convenient to call a member function for instance. struct MyClass { int DoStuff(double d); // actually a DoStuff(MyClass* this, double d) }; std::function<int(double d)> f = std::bind(&MyClass::DoStuff, this, std::placehold...
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Test iOS app on device without apple developer program or jailbreak

...umber of apps on any of your devices, simply by logging in with your Apple ID. You will no longer need a paid Program membership to deploy apps on your own device (and you certainly no longer have to jailbreak your device if you're not comfortable doing so). Well, not for the majority of use cases a...
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Recursive Lock (Mutex) vs Non-Recursive Lock (Mutex)

... is zero. Again, this varies somewhat by platform - especially what they call these things, but this should be representative of the concepts and various mechanisms at play. share | improve this a...
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Is “IF” expensive?

...s work. The current instruction to be executed is stored in something typically called the instruction pointer (IP) or program counter (PC); these terms are synonymous, but different terms are used with different architectures. For most instructions, the PC of the next instruction is just the curr...
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onBitmapLoaded of Target object not called on first load

...Target object, thus it's being garbage collected and onBitmapLoaded is not called. The solution is quite simple, just make a strong reference to the Target. public class MyClass { private Target mTarget = new Target() {...}; public void getPointMarkerFromUrl(final String url, final OnBitmapDe...
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How to check if a service is running on Android?

...ce that it had started is also killed but the service's onDestroy() is not called. So the static variable cannot be updated in such a scenario resulting in inconsistent behaviour. – faizal Jul 10 '14 at 8:05 ...
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How do I use $scope.$watch and $scope.$apply in AngularJS?

... cycle and $scope First and foremost, AngularJS defines a concept of a so-called digest cycle. This cycle can be considered as a loop, during which AngularJS checks if there are any changes to all the variables watched by all the $scopes. So if you have $scope.myVar defined in your controller and t...
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How to wait for async method to complete?

...shell, when I need to write data to the device, this is the code that gets called: 7 Answers ...
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How do I assign an alias to a function name in C++?

... old_function<T>; Moreover, starting with C++11 you have a function called std::mem_fn that allows to alias member functions. See the following example: struct A { void f(int i) { std::cout << "Argument: " << i << '\n'; } }; A a; auto greet = std::mem_fn(&amp...