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Differences between Oracle JDK and OpenJDK

...e Java specification passed the TCK (Java Technology Certification Kit). Most of the vendors of JDK are written on top of OpenJDK by doing a few tweaks to [mostly to replace licensed proprietary parts / replace with more high-performance items that only work on specific OS] components without break...
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When should I use std::thread::detach?

...hread-local objects destructed. Crucially, this means that the stack of those threads is not unwound and thus some destructors are not executed. Depending on the actions those destructors were supposed to undertake, this might be as bad a situation as if the program had crashed or had been killed. ...
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When should the volatile keyword be used in C#?

...s very large. I don't attempt to write any low-lock code except for the most trivial usages of Interlocked operations. I leave the usage of "volatile" to real experts. For further reading see: Understand the Impact of Low-Lock Techniques in Multithreaded Apps Sayonara volatile ...
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Adaptive segue in storyboard Xcode 6. Is push deprecated?

...’ instead of ‘Push’ How can I make "show" work like push? Is it possible or should I use "push (depricated)" instead? It should; it does for me. I am using Xcode 6 beta 2 and to test I used the single view template (calling the pre made view controller in IB ‘VC_A’). I then added a...
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How to get error message when ifstream open fails

...r between the execution of the f.open and use of errno. On system with POSIX standard: errno is thread-local; setting it in one thread does not affect its value in any other thread. Edit (thanks to Arne Mertz and other people in the comments): e.what() seemed at first to be a more C++-...
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When would I need a SecureString in .NET?

I'm trying to grok the purpose of .NET's SecureString. From MSDN: 11 Answers 11 ...
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Is there a quicker / better way to clear the iPhone Simulator cache than deleting its directory?

So I'm still reasonably new to iOS development and I'm finding myself quite regularly needing to delete either DerivedData, or the contents of the iPhone Simulator directory, to get things to actually execute from my code. Clean in Xcode doesn't do the same as emptying those directories, right? And ...
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List comprehension rebinds names even after scope of comprehension. Is this right?

... loop control variable in Python 2 but not in Python 3. Here's Guido van Rossum (creator of Python) explaining the history behind this: We also made another change in Python 3, to improve equivalence between list comprehensions and generator expressions. In Python 2, the list comprehens...
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How can I use a Python script in the command line without cd-ing to its directory? Is it the PYTHONP

...same as the shell’s PATH: one or more directory pathnames separated by os.pathsep (e.g. colons on Unix or semicolons on Windows). Non-existent directories are silently ignored. In addition to normal directories, individual PYTHONPATH entries may refer to zipfiles containing pure Python ...
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How to use Git and Dropbox together effectively?

Is it possible to use Git and Dropbox together effectively? 20 Answers 20 ...