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Stack vs heap allocation of structs in Go, and how they relate to garbage collection

...le stack-based programming where automatic variables live on the stack and allocated memory lives on the heap and and Python-style stack-based-programming where the only thing that lives on the stack are references/pointers to objects on the heap. ...
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What are the differences between utf8_general_ci and utf8_unicode_ci? [duplicate]

...tf8_unicode_ci uses the standard Unicode Collation Algorithm, supports so called expansions and ligatures, for example: German letter ß (U+00DF LETTER SHARP S) is sorted near "ss" Letter Œ (U+0152 LATIN CAPITAL LIGATURE OE) is sorted near "OE". utf8_general_ci does not support expansions/liga...
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How do you check in python whether a string contains only numbers?

....isdigit(): From the isdigit documentation: str.isdigit() Return True if all characters in the string are digits and there is at least one character, False otherwise. Digits include decimal characters and digits that need special handling, such as the compatibility superscript digits. This covers ...
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Execute a terminal command from a Cocoa app

...; NSFileHandle *file = pipe.fileHandleForReading; NSTask *task = [[NSTask alloc] init]; task.launchPath = @"/usr/bin/grep"; task.arguments = @[@"foo", @"bar.txt"]; task.standardOutput = pipe; [task launch]; NSData *data = [file readDataToEndOfFile]; [file closeFile]; NSString *grepOutput = [[NSS...
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Requirejs why and when to use shim config

...e the normal, what's shim do in this case? Can I use require( function() { _.extend({}); })? Does it understand _? – Stiger Aug 14 '14 at 4:48 ...
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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 unset a JavaScript variable?

I have a global variable in JavaScript (actually a window property, but I don't think it matters) which was already populated by a previous script but I don't want another script that will run later to see its value or that it was even defined. ...
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Pass Method as Parameter using C#

I have several methods all with the same parameter types and return values but different names and blocks. I want to pass the name of the method to run to another method that will invoke the passed method. ...
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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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Completion block for popViewController

...where animated { coordinator.animateAlongsideTransition(nil) { _ in completion() } } else { completion() } } func popViewController(animated: Bool, completion: () -> ()) { popViewControllerAnimated(animated) ...