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Why do people put code like “throw 1; ” and “for(;;);” in front of json responses? [du

...Chrome (5) are still vulnerable to this. Another attack that all browsers now disallow was to redefine constructor functions: Array= function() { alert('I steal '+this); }; [1, 2, 3] And for now, IE8's implementation of properties (based on the ECMAScript Fifth Edition standard and Object.d...
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What is more efficient? Using pow to square or just multiply it with itself?

...t/date_time/posix_time/posix_time.hpp> inline boost::posix_time::ptime now() { return boost::posix_time::microsec_clock::local_time(); } #define TEST(num, expression) \ double test##num(double b, long loops) \ { \ double x = 0.0; \ \ boost::posix_time::ptime startTime = now(); \ ...
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'Missing recommended icon file - The bundle does not contain an app icon for iPhone / iPod Touch of

...@3x support added? Yes, you need to add a 120x120 high resolution icon. Now, if you want to target only iOS 7, you just need 76 x 76, 120 x 120 and 152 x 152 icon sizes. If you also want to target iOS 6, you’ll need 57 x 57, 72 x 72, 76 x 76, 114 x 114, 120 x 120, 144 x 144 and 152 x 152 icon s...
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How to round the minute of a datetime object

...ect to any time lapse in seconds dt : datetime.datetime object, default now. roundTo : Closest number of seconds to round to, default 1 minute. Author: Thierry Husson 2012 - Use it as you want but don't blame me. """ if dt == None : dt = datetime.datetime.now() seconds = (dt.replac...
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github locks up mac terminal when using pull command

...a modal text editor, so you would need to: Press i to enter insert mode. Now you can type your message, as if you were in a normal (non-modal) text editor. Press esc to go back to command mode. Then type :w followed by enter to save. Finally :q followed by enter to quit. ...
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How can one change the timestamp of an old commit in Git?

...ill have to reset and pull, or delete and clone from scratch. As far as I know, there is no method that gets around this. – EriF89 Sep 9 '14 at 9:12 4 ...
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How to get rid of punctuation using NLTK tokenizer?

...k. http://www.nltk.org/book/ch01.html import nltk s = "I can't do this now, because I'm so tired. Please give me some time. @ sd 4 232" words = nltk.word_tokenize(s) words=[word.lower() for word in words if word.isalpha()] print(words) output ['i', 'ca', 'do', 'this', 'now', 'because', '...
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What is an “unwrapped value” in Swift?

...birthday presents that come in stiff, hard, colored wrapping. You don't know if there's anything inside the wrapping until you unwrap the present — maybe there is nothing at all inside! If there is something inside, it could be yet another present, which is also wrapped, and which also might con...
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JavaScript: Is there a way to get Chrome to break on all errors?

... Edit: The original link I answered with is now invalid.The newer URL would be https://developers.google.com/web/tools/chrome-devtools/javascript/add-breakpoints#exceptions as of 2016-11-11. I realize this question has an answer, but it's no longer accurate. Use the l...
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Move assignment operator and `if (this != &rhs)`

... array of the same size and then deallocate the old one of the same size! Now for your clients who actually want strong exception safety: template <class C> C& strong_assign(C& lhs, C rhs) { swap(lhs, rhs); return lhs; } Or maybe if you want to take advantage of move assign...