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How does PHP 'foreach' actually work?

...AP is a visible feature of an array (exposed through the current family of functions), as such changes to the IAP count as modifications under copy-on-write semantics. This, unfortunately, means that foreach is in many cases forced to duplicate the array it is iterating over. The precise conditions ...
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Pretty-print C++ STL containers

...sert("hello"); j.insert("world"); double k[] = { 1.1, 2.2, M_PI, -1.0/123.0 }; std::cout << i << "\n" << j << "\n" << k << "\n"; } It currently only works with vector and set, but can be made to work with most containers, just by expanding on the IsConta...
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RESTful Authentication

...c.html HTTP/1.1 Host: www.example.org Cookie: theme=light; sessionToken=abc123 The cookie technique itself is HTTP-linked, so it's not truly RESTful, which should be protocol-independent, IMHO. It is vulnerable to MiM or Replay attacks. Granted via Token (OAuth2) An alternative is to put a token...
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What to do Regular expression pattern doesn't match anywhere in string?

... with regular expressions and therefore do so poorly. But this is not some fundamental flaw related to computational theory. That silliness is parroted a lot around here, but don’t you believe them. So while it certainly can be done (this posting serves as an existence proof of this incontrovertib...
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What is your most productive shortcut with Vim?

...to point new folks who want a good explanation of what vi power users find fun about vi. Then I'll tell them about Emacs and they can decide.) – Brandon Rhodes Mar 29 '10 at 15:26 ...
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How to become an OpenCart guru? [closed]

...y of key => value pairs. As an example $this->data['example_var'] = 123; Accessing this in a view is a little should be easy to understand if you're familiar with the extract() method which converts each key into a variable. So the example_var key becomes $example_var and can be accessed as...
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Repeat String - Javascript

...sive algorithm (also called "divide and conquer") is on a string of length 123,457. On my FreeBSD computer this algorithm, implemented in the stringFill3() function, creates the string in 0.001058 seconds, while the original stringFill1() function creates the string in 0.0808 seconds. The new functi...
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Type-juggling and (strict) greater/lesser-than comparisons in PHP

... admit it puzzles me, and I'm having a hard time to find out basic logical/fundamental things in comparisons. 3 Answers ...
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For-each over an array in JavaScript

... 123 Loop backwards I think the reverse for loop deserves a mention here: for (var i = array.leng...
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insert vs emplace vs operator[] in c++ map

...will overwrite the previous value if one exists. – dk123 Sep 30 '13 at 9:47 ...