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Does the C++ standard mandate poor performance for iostreams, or am I just dealing with a poor imple

...f the work can be avoided. With a slightly smarter linker than is typically used, it is possible to remove some of these inefficiencies. This is discussed in §6.2.3 and §6.2.5. Since the report was written in 2006 one would hope that many of the recommendations would have been incorpor...
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How do you represent a JSON array of strings?

This is all you need for valid JSON, right? 4 Answers 4 ...
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How does inheritance work for Attributes?

...AttributeUsage (Inherited = True)] MyUberAttribute : Attribute { string _SpecialName; public string SpecialName { get { return _SpecialName; } set { _SpecialName = value; } } } Then use the Attribute by decorating a super-class... [MyUberAttribute(SpecialName = "Bob")] clas...
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Is it pythonic to import inside functions?

...at it needs to import. If I'm adding new code to an existing file I'll usually do the import where it's needed and then if the code stays I'll make things more permanent by moving the import line to the top of the file. One other point, I prefer to get an ImportError exception before any code is r...
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What is process.env.PORT in Node.js?

...t may independently configure the process.env.PORT variable for you; after all, your script runs in their environment. Amazon's Elastic Beanstalk does this. If you try to set a static port value like 3000 instead of process.env.PORT || 3000 where 3000 is your static setting, then your application w...
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WPF and initial focus

...ew TraversalRequest(FocusNavigationDirection.First)); This will automatically select the first control in the tab order, so it's a general solution that should be able to be dropped into any window and Just Work. share ...
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How can I get rid of an “unused variable” warning in Xcode?

...as an "unused" attribute you can use to suppress that warning: BOOL saved __attribute__((unused)) = [moc save:&error]; Alternatively (in case LLVM doesn't support the above), you could split the variable declaration into a separate line, guaranteeing that the variable would be "used" whether ...
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How to add items to a spinner in Android?

... While this may theoretically answer the question, it would be preferable to include the essential parts of the answer here, and provide the link for reference. – Bill the Lizard Jan 26 '12 at 21:00 ...
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Using comparison operators in Scala's pattern matching system

...t; println("less than ten") } Edit: Note that this is more than superficially different to putting an if after the =>, because a pattern won't match if the guard is not true. share | improve th...
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How to read all files in a folder from Java?

How to read all the files in a folder through Java? 31 Answers 31 ...