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Swift Beta performance: sorting arrays

...t)) // [-1, 0, 2, 2, 5, 8, 1234] // [-1, 0, 2, 2, 5, 8, 1234] Both are called in the same program as written. var x_swift = CInt[](count: n, repeatedValue: 0) var x_c = CInt[](count: n, repeatedValue: 0) for var i = 0; i < n; ++i { x_swift[i] = CInt(random()) x_c[i] = CInt(random()) }...
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What does extern inline do?

...e, static inline, and extern inline constructs; most pre-C99 compiler generally follow its lead. GNU89: inline: the function may be inlined (it's just a hint though). An out-of-line version is always emitted and externally visible. Hence you can only have such an inline defined in one compilatio...
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How to deal with SettingWithCopyWarning in Pandas?

... The SettingWithCopyWarning was created to flag potentially confusing "chained" assignments, such as the following, which does not always work as expected, particularly when the first selection returns a copy. [see GH5390 and GH5597 for background discussion.] df[df['A'] > 2...
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Why do we need extern “C”{ #include } in C++?

... C and C++ are superficially similar, but each compiles into a very different set of code. When you include a header file with a C++ compiler, the compiler is expecting C++ code. If, however, it is a C header, then the compiler expects the data cont...
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Correct use of Multimapping in Dapper

...ID, CustomerName. This makes the spliton: parameter not so useful, especially when you're not sure what order the columns are returned in. Of course you could manually specify columns...but it's 2017 and we just rarely do that anymore for basic object gets. What we do, and it's worked great fo...
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How to create a video from images with FFmpeg?

...pix_fmt yuv420p out.ogg Your images should of course be sorted alphabetically, typically as: 0001-first-thing.jpg 0002-second-thing.jpg 0003-and-third.jpg and so on. I would also first ensure that all images to be used have the same aspect ratio, possibly by cropping them with imagemagick or n...
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Python, creating objects

... = "" age = 0 major = "" # The class "constructor" - It's actually an initializer def __init__(self, name, age, major): self.name = name self.age = age self.major = major def make_student(name, age, major): student = Student(name, age, major) return...
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vbscript output to console

...aples - Not w/ the stock WScript.Echo. I suppose, if you wanted to stay totally within WScript you could do something horrifyingly dodgy like Exec'ing off another process to do a "SendKeys" to the parent process to close the MessageBox. – Evan Anderson Jun 22 '...
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Scala 2.8 breakOut

...breakOut itself. It is of type CanBuildFrom[Nothing,T,To]. We already know all these types, so we can determine that we need an implicit of type CanBuildFrom[Nothing,(Int,String),Map[Int,String]]. But is there such a definition? Let's look at CanBuildFrom's definition: trait CanBuildFrom[-From, -E...
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Check if $_POST exists

...sts and if it does, print it inside another string, if not, don't print at all. 14 Answers ...