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What is the difference between lock and Mutex?

...hine. bool firstInstance; Mutex mutex = new Mutex(false, @"Local\DASHBOARD_MAIN_APPLICATION", out firstInstance); if (!firstInstance) { //another copy of this application running } else { //run main application loop here. } // Refer to the mutex down here so garbage collection doesn't chu...
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How to change past commit to include a missed file?

...s that the case even if I am the only user of the remote repo? Wouldn't it allow me to do git push -f if I am sure the upstream didn't change? – kolrie Jan 16 '13 at 22:48 1 ...
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Python 3.x rounding behavior

... Python 3's way (called "round half to even" or "banker's rounding") is considered the standard rounding method these days, though some language implementations aren't on the bus yet. The simple "always round 0.5 up" technique results in a sli...
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Unlink of file failed

... That usually means a process is still using that specific file (still has an handle on it) (on Windows, ProcessExplorer is good at tracking that kind of process) Try closing your other programs, and try again your git pull. Note th...
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How can I push to my fork from a clone of the original repo?

I created a fork (let's call it myrepo ) of another repository (let's call it orirepo ) on GitHub. Later, I cloned orirepo . ...
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Completion block for popViewController

...where animated { coordinator.animateAlongsideTransition(nil) { _ in completion() } } else { completion() } } func popViewController(animated: Bool, completion: () -> ()) { popViewControllerAnimated(animated) ...
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Python: Get the first character of the first string in a list?

...ist char for the first one string(item): myList[0][0] >>> b If all first chars: [x[0] for x in myList] >>> ['b', 's', 't'] If you have a text: text = 'base sample test' text.split()[0][0] >>> b ...
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Rotation methods deprecated, equivalent of 'didRotateFromInterfaceOrientation'?

... new viewWillTransitionToSize method which has been introduced in iOS 8 (all other rotation methods have been deprecated). I'd like to know what the equivalent of didRotateFromInterfaceOrientation is now as there are a number of clean up tasks we need to perform and I can't see a block that we c...
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How do I calculate square root in Python?

...ethod can be computed as: sqrt = x**(float(1)/2) – VM_AI Sep 28 '18 at 10:41 add a comment  |  ...
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how to add records to has_many :through association in rails

...ata from the joint table Agents without having N+1 bug example displaying all the houses and corresponding agents for the given customer – Ankita.P Jul 24 '15 at 11:00 add a ...