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Is there a performance difference between i++ and ++i in C++?

... | edited Mar 29 '18 at 20:08 zar 8,36377 gold badges6868 silver badges125125 bronze badges answered Au...
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How to deny access to a file in .htaccess

... answered Jul 30 '12 at 21:18 Jon LinJon Lin 133k2626 gold badges191191 silver badges204204 bronze badges ...
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How to convert an int to a hex string?

...gave, I think one of these snippets shows what you want. >>> chr(0x65) == '\x65' True >>> hex(65) '0x41' >>> chr(65) == '\x41' True Note that this is quite different from a string containing an integer as hex. If that is what you want, use the hex builtin. ...
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Relationship between SciPy and NumPy

...mespace is included into scipy when the scipy module is imported. The log10 behavior you are describing is interesting, because both versions are coming from numpy. One is a ufunc, the other is a numpy.lib function. Why scipy is preferring the library function over the ufunc, I don't know off the t...
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What regular expression will match valid international phone numbers?

... \+(9[976]\d|8[987530]\d|6[987]\d|5[90]\d|42\d|3[875]\d| 2[98654321]\d|9[8543210]|8[6421]|6[6543210]|5[87654321]| 4[987654310]|3[9643210]|2[70]|7|1)\d{1,14}$ Is the correct format for matching a generic international phone number. I replaced t...
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Using helpers in model: how do I include helper dependencies?

...om a text area. Following the advice from http://blog.caboo.se/articles/2008/8/25/sanitize-your-users-html-input , I'm cleaning up the input in the model before saving to database, using the before_validate callback. ...
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Logical XOR operator in C++?

... answered Oct 20 '09 at 19:03 Greg HewgillGreg Hewgill 783k167167 gold badges10841084 silver badges12221222 bronze badges ...
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Check if list contains any of another list

... 201 You could use a nested Any() for this check which is available on any Enumerable: bool hasMatc...
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Android:What is difference between setFlags and addFlags for intent

...st a integer which is power of two... in binary, flags look like this: 1, 10, 100, 1000, etc... (which in this case are 1, 2, 4, 8). So, what addFlags does is appending the integer you pass using the | operator. // example... // value of flags: 1 intent.setFlags(2|4); // now flags have this value...
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Is there a jQuery unfocus method?

... Alan W. Smith 20.7k33 gold badges6060 silver badges8484 bronze badges answered May 13 '09 at 10:47 RichieHindleRichi...