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Generate a random alphanumeric string in Cocoa

...turns a unichar – user102008 Mar 4 '11 at 21:01 8 Using arc4random would generate a biased result...
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Check if a number has a decimal place/is a whole number

...ething new :) – Abe Petrillo Sep 1 '11 at 16:53 7 @Abe: true enough, though I think that's unlike...
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What is the “-->” operator in C++?

... community wiki 12 revs, 11 users 16%Potatoswatter 271 ...
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Check if the number is integer

... answered Oct 17 '11 at 19:00 IteratorIterator 19.3k1111 gold badges6464 silver badges107107 bronze badges ...
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Count Rows in Doctrine QueryBuilder

... | edited Aug 13 '19 at 11:27 answered Feb 9 '12 at 17:38 ...
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How do I print out the contents of an object in Rails for easy debugging?

... answered Jan 28 '11 at 15:43 jerhinesmithjerhinesmith 13.8k1616 gold badges5858 silver badges8787 bronze badges ...
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Statistics: combinations in Python

... answered Jun 11 '10 at 18:29 Jouni K. SeppänenJouni K. Seppänen 33.9k55 gold badges6767 silver badges9696 bronze badges ...
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How to check whether a string is a valid HTTP URL?

... answered Sep 28 '11 at 10:30 Arabela PaslaruArabela Paslaru 5,42611 gold badge1212 silver badges1010 bronze badges ...
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Python string class like StringBuilder in C#?

... answered Mar 10 '10 at 5:11 Andrew HareAndrew Hare 310k6363 gold badges611611 silver badges614614 bronze badges ...
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How can I round a number in JavaScript? .toFixed() returns a string?

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