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Semantic Issue: Property's synthesized getter follows Cocoa naming convention for returning 'owned'

...gs to the none method family as opposed to the new method family: #ifndef __has_attribute #define __has_attribute(x) 0 // Compatibility with non-clang compilers #endif #if __has_attribute(objc_method_family) #define BV_OBJC_METHOD_FAMILY_NONE __attribute__((objc_method_family(none))) #else #defin...
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Check if two unordered lists are equal [duplicate]

...of (hashable) things, called a set. If you convert both lists to sets, the comparison will be unordered. set(x) == set(y) Documentation on set EDIT: @mdwhatcott points out that you want to check for duplicates. set ignores these, so you need a similar data structure that also keeps track of th...
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Different bash prompt for different vi editing mode?

... to have a prompt that depends on the mode you are currently in (insert or command). How does one find out this editing mode? ...
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Unable to find specific subclass of NSManagedObject

...e marked with @objc(classname) (this was observed in https://stackoverflow.com/a/31288029/1187415). Alternatively, you can empty the "Module" field (it will show "None") and mark the managed object subclasses with @objc(classname) (this was observed in https://stackoverflow.com/a/31287260/1187415)...
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How does BLAS get such extreme performance?

... A good starting point is the great book The Science of Programming Matrix Computations by Robert A. van de Geijn and Enrique S. Quintana-Ortí. They provide a free download version. BLAS is divided into three levels: Level 1 defines a set of linear algebra functions that operate on vectors only. ...
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Can you call Directory.GetFiles() with multiple filters?

..., filter, searchOption)).ToArray(); } I found it here (in the comments): http://msdn.microsoft.com/en-us/library/wz42302f.aspx share | improve this answer | follow ...
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Constantly print Subprocess output while process is running

... You can use iter to process lines as soon as the command outputs them: lines = iter(fd.readline, ""). Here's a full example showing a typical use case (thanks to @jfs for helping out): from __future__ import print_function # Only Python 2.x import subprocess def execute(c...
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Regular expression \p{L} and \p{N}

...eUploader: { brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
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Max length UITextField

... With Swift 5 and iOS 12, try the following implementation of textField(_:shouldChangeCharactersIn:replacementString:) method that is part of the UITextFieldDelegate protocol: func textField(_ textField: UITextField, shouldChangeCharactersIn range: NSRange, replacementString string: String) -&gt...
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Convert decimal to binary in python [duplicate]

...inary equivalent? I am able to convert binary to decimal using int('[binary_value]',2), so any way to do the reverse without writing the code to do it myself? ...