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How to change a git submodule to point to a subfolder?

...eated a submodule out of the boto project . Then, I discovered that I actually need only a subset of this project - specifically, the boto folder. ...
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Android webview & localStorage

... I tested on the Samsung Galaxy SII there was this problem. I'm not saying all devices are working so, just some device have it. – mr.boyfox Jun 18 '14 at 12:20 ...
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How to get the top 10 values in postgresql?

...y As @Raphvanns pointed out, this will give you the first 10 rows literally. To remove duplicate values, you have to select distinct rows, e.g. select distinct * from scores order by score desc fetch first 10 rows only SQL Fiddle ...
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Replace None with NaN in pandas dataframe

...beware when you run df.replace([None], np.nan, inplace=True), this changed all datetime objects with missing data to object dtypes. So now you may have broken queries unless you change them back to datetime which can be taxing depending on the size of your data. – Doubledown ...
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error: use of deleted function

...e X::x is const, it must be initialized -- but a default ctor wouldn't normally initialize it (because it's a POD type). Therefore, to get a default ctor, you need to define one yourself (and it must initialize x). You can get the same kind of situation with a member that's a reference: class X { ...
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What new capabilities do user-defined literals add to C++?

C++11 introduces user-defined literals which will allow the introduction of new literal syntax based on existing literals ( int , hex , string , float ) so that any type will be able to have a literal presentation. ...
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NSLog/printf specifier for NSInteger?

... z and t modifiers to handle NSInteger and NSUInteger without warnings, on all architectures. You want to use %zd for signed, %tu for unsigned, and %tx for hex. This information comes courtesy of Greg Parker. Original answer: The official recommended approach is to use %ld as your specifier, a...
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Access to Modified Closure (2)

...Access to Modified Closure . I just want to verify if the following is actually safe enough for production use. 1 Answer ...
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Embedding unmanaged dll into a managed C# dll

I have a managed C# dll that uses an unmanaged C++ dll using DLLImport. All is working great. However, I want to embed that unmanaged DLL inside my managed DLL as explain by Microsoft there: ...
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When would anyone use a union? Is it a remnant from the C-only days?

I have learned but don't really get unions. Every C or C++ text I go through introduces them (sometimes in passing), but they tend to give very few practical examples of why or where to use them. When would unions be useful in a modern (or even legacy) case? My only two guesses would be programming ...