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What are the new documentation commands available in Xcode 5? [closed]

...e brief text (with no formatting); if no brief text exists, it will show a concatenation of all the text up to the first @block; if none exists (e.g. you begin with @return), then it will concat all the text striping away all @commands. 2. Option-clicking an identifier name: 3. In the Quick Help...
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Re-open *scratch* buffer in Emacs?

...(let ((n 0) bufname) (while (progn (setq bufname (concat "*scratch" (if (= n 0) "" (int-to-string n)) "*")) (setq n (1+ n)) (get-buffer bufname))) (switch-to-buffer (get-buffer-...
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Why 0 is true but false is 1 in the shell?

...the same. Also it needs to be expected that some people cast errno to char or short at some point, or even to float. (int)((char)ENOLCK) is not ENOLCK when char is not at least 8-bit long (7-bit ASCII char machines are supported by UNIX), while (int)((char)0) is 0 independent of the architectur...
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Binary Data in JSON String. Something better than Base64

... so that it can be placed into a string element (i.e. zero or more Unicode chars in double quotes using backslash escapes) in JSON. ...
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What's the difference between __PRETTY_FUNCTION__, __FUNCTION__, __func__?

... __func__ is an implicitly declared identifier that expands to a character array variable containing the function name when it is used inside of a function. It was added to C in C99. From C99 §6.4.2.2/1: The identifier __func__ is implicitly declared by the translator as if, immediatel...
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What's the best way to trim std::string?

...p;s) { s.erase(s.begin(), std::find_if(s.begin(), s.end(), [](unsigned char ch) { return !std::isspace(ch); })); } // trim from end (in place) static inline void rtrim(std::string &s) { s.erase(std::find_if(s.rbegin(), s.rend(), [](unsigned char ch) { return !std::is...
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IEnumerable and Recursion using yield return

...control.Controls .Where(c => c is T) .Concat(control.Controls .SelectMany(c =>c.GetDeepControlsByType<T>())); } share | ...
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Where in memory are my variables stored in C?

...---> heap also stack (the teacher was trying to trick you) pointers(ex: char *arr, int *arr) -------> heap data or stack, depending on the context. C lets you declare a global or a static pointer, in which case the pointer itself would end up in the data segment. dynamically allocated space(us...
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Validating IPv4 addresses with regexp

... @PriteshAcharya Works fine over here. – Kid Diamond Mar 15 '18 at 13:27  |  ...
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How to run multiple shells on Emacs

...me:") (let ((shell-name (read-string "shell name: " nil))) (shell (concat "*" shell-name "*")))) share | improve this answer | follow | ...