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Ruby Array find_first object?

... 203 Either I don't understand your question, or Enumerable#find is the thing you were looking for. ...
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How to manually deprecate members

...recated, obsoleted, renamed, and a message : @available(iOS, deprecated:6.0) func myFunc() { // calling this function is deprecated on iOS6+ } Or @available(iOS, deprecated: 6.0, obsoleted: 7.0, message: "Because !") func myFunc() { // deprecated from iOS6, and obsoleted after iOS7, the ...
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Rebuild IntelliJ project indexes

IntelliJ IDEA 10.5.1 is reporting zero usages for all method, classes etc. 2 Answers ...
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How to generate a random int in C?

...lled once. int r = rand(); // Returns a pseudo-random integer between 0 and RAND_MAX. Edit: On Linux, you might prefer to use random and srandom. share | improve this answer | ...
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Difference between float and double in php?

... answered Jul 19 '10 at 12:14 MacmadeMacmade 47.4k1111 gold badges101101 silver badges120120 bronze badges ...
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Google Authenticator implementation in Python

...st() o = ord(h[19]) & 15 h = (struct.unpack(">I", h[o:o+4])[0] & 0x7fffffff) % 1000000 return h def get_totp_token(secret): return get_hotp_token(secret, intervals_no=int(time.time())//30) It has two functions: get_hotp_token() generates one-time token (that should in...
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How to get first and last day of the week in JavaScript

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Is it better to use std::memcpy() or std::copy() in terms to performance?

... 5 strings using all four SHA-2 versions (224, 256, 384, 512), and I loop 300 times. I measure times using Boost.timer. That 300 loop counter is enough to completely stabilize my results. I ran the test 5 times each, alternating between the memcpy version and the std::copy version. My code takes adv...
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How to print a string in fixed width?

... EDIT 2013-12-11 - This answer is very old. It is still valid and correct, but people looking at this should prefer the new format syntax. You can use string formatting like this: >>> print '%5s' % 'aa' aa >>>...
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How to watch for array changes?

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