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What Xcode keyboard shortcuts do you use regularly? [closed]

...wever now I find the open quickly command better (cmd-shift-O , type a few chars, return) – Robert Nov 30 '12 at 12:45 6 ...
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How to check if a string is a valid date

I have a string: "31-02-2010" and want to check whether or not it is a valid date. What is the best way to do it? 14 Answ...
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Is it possible to forward-declare a function in Python?

...turally it makes little sense to have it afterwards), one can just store a string and try to call the function later. share | improve this answer | follow | ...
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How do I run a spring boot executable jar in a Production environment?

...otApplication public class MyAppInitializer { public static void main(String[] args) { SpringApplication.run(MyAppInitializer .class, args); } } My Initializer for production environment extends the SpringBootServletInitializer and looks like this: @SpringBootApplication public ...
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String formatting in Python 3

... old format syntax nor in the new, thus should be present in the generated string, unchanged. – mgibsonbr Mar 22 '19 at 5:45 ...
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Wolfram's Rule 34 in XKCD [closed]

...n a cellular automaton (CA) that follows rule 2, then whenever a three-bit string matches rule 2's configuration, the center bit becomes (or stays, in this case) true on the next iteration. A CA's rules are described as a bitstring. Say it's rule 110 (my favorite). In binary, 110 is 01101110. The d...
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AJAX POST and Plus Sign ( + ) — How to Encode?

...at have already been decoded. Example: In your JS: // url encode your string var string = encodeURIComponent('+'); // "%2B" // send it to your server window.location = 'http://example.com/?string='+string; // http://example.com/?string=%2B On your server: echo $_GET['string']; // "+" It is...
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Big-O for Eight Year Olds? [duplicate]

...int (it's where the n^2.8... came from.) I still assert it isn't worth the extra overhead in most practical cases. – sfink Jun 9 '09 at 19:26 5 ...
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How to use a servlet filter in Java to change an incoming servlet request url?

...letRequest#getRequestURI() to grab the path. Use straightforward java.lang.String methods like substring(), split(), concat() and so on to extract the part of interest and compose the new path. Use either ServletRequest#getRequestDispatcher() and then RequestDispatcher#forward() to forward the reque...
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Objective-C categories in static library

... code directly referencing it, correct? Wrong! You can dynamically build a string containing a class name, request a class pointer for that name and dynamically allocate the class. E.g. instead of MyCoolClass * mcc = [[MyCoolClass alloc] init]; I could also write NSString * cname = @"CoolClass";...