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Is there a simple, elegant way to define singletons? [duplicate]

... I don't really see the need, as a module with functions (and not a class) would serve well as a singleton. All its variables would be bound to the module, which could not be instantiated repeatedly anyway. If you do wish to use a class, there is no way of creating private classes...
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How can I close a buffer without closing the window?

Vim's multilayered views (Windows, Buffers and Tabs) left me a little confused. Let's say I split the display (:sp) and then select a different buffer to display in each window. Now I want to close one of the buffers, yet I don't want the window to close (After the closing it can display the next bu...
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How to set timeout on python's socket recv method?

...the socket no non-blocking? I don't think that matters to the select call (and it blocks until a descriptor can be read or the timeout expires in this case) and the recv() won't block if the select is satisfied. I tried it using recvfrom() and it seems to work correctly without setblocking(0). ...
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Android Studio Gradle Configuration with name 'default' not found

I am having problems compiling my app with Android Studio (0.1.5). The app uses 2 libraries which I have included as follows: ...
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C++ catching all exceptions

...nt to add separate catch clauses for the various exceptions you can catch, and only catch everything at the bottom to record an unexpected exception. E.g.: try{ // ... } catch (const std::exception& ex) { // ... } catch (const std::string& ex) { // ... } catch (...) { // .....
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Using OpenGl with C#? [closed]

Is there free OpenGL support libraries for C#? If so, which one do I use and where do I find sample projects? 9 Answers ...
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How to remove the focus from a TextBox in WinForms?

...Also note that you cannot set it to the Form. Container controls like Form and Panel will pass the Focus on to their first child control. Which could be the TextBox you wanted it to move away from. share | ...
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Use jQuery to get the file input's selected filename without the path

... @MikeDeSimone I've tested split('\\').pop(); on Win 7, Ubuntu 11.04 and Mac OS X and it works fine on all of them. – Alex Mar 8 '12 at 14:57 3 ...
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How to use the 'og' (Open Graph) meta tag for Facebook share

...uld provide the link to your google+ profile. – jurihandl Feb 6 '14 at 13:53 meta tag author means author of website o...
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_=> what does this underscore mean in Lambda expressions?

...nswered May 6 '10 at 4:04 ChaosPandionChaosPandion 71.6k1616 gold badges110110 silver badges150150 bronze badges ...