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What is the reason behind cbegin/cend?

...ref = vec; std::for_each(vec_ref.begin(), vec_ref.end(), SomeFunctor()); Now, we introduce cbegin/cend: std::for_each(vec.cbegin(), vec.cend(), SomeFunctor()); Now, we have syntactic assurances that SomeFunctor cannot modify the elements of the vector (without a const-cast, of course). We expli...
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Simple explanation of MapReduce?

...rite it like this A = [7, 8, 9] sum = A.reduce( 0, (x, y) => x + y ) Now it's a little confusing why there are 2 arguments (0 and the function with x and y) passed. For a reduce function to be useful, it must be able to take 2 items, compute something and "reduce" that 2 items to just one sing...
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Mac OSX Lion DNS lookup order [closed]

...I discovered this when I noticed some ads that I had never seen before on Snow Leopard because I had redirected the ad domains to 127.0.0.1. I fired up wireshark and noticed AAAA (IPv6 DNS records) queries following the IPv4 A queries (IPv4). The ad servers indeed have IPv6 addesses and were able to...
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What's the difference between UTF-8 and UTF-8 without BOM?

...hould not rely on this, as show by the example above Encodings should be known, not divined. share | improve this answer | follow | ...
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How to send a GET request from PHP?

...ng is just part of the string. There's no reason a server would ignore it. Now, obviously, file_get_contents doesn't let you make the request with custom cookies, headers, and other things that a browser would typically send, so you might not get the response you were looking for. In that case, you'...
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window.onload vs

... DOMContentLoaded is now supported by IE9 and up: developer.mozilla.org/en-US/docs/Web/Events/DOMContentLoaded – Adam Mar 25 '15 at 13:18 ...
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How can I preview a merge in git?

...seems to be that most people are looking for "the safe way". Strategy 2 is now more of a note that you can simply abort the merge if the merge has conflicts that you're not ready to deal with. Keep in mind if reading comments!] ...
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CSS vertical alignment text inside li

...number of boxes in a row with fix height and width, generated from tags. now I need to align the text in the vertical center. The CSS vertical-align has no impact, maybe I am missing something??? ...
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An App ID with Identifier '' is not available. Please enter a different string

... update As of Xcode 8, iOS Team Provision Profile Managed by Xcode are now updated by Xcode automatically and correctly. They are not even listed at the Developer Portal, but generated on-the-flight. However, the solution proposed below will still work. I've switched to using the automatic pro...
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How can I expand and collapse a using javascript?

...d, but I still am not having it work. I've messed with it for a good hour now, I'll sleep on it. Maybe tomorrow it will hit me. – Ryan Mortensen Jul 5 '13 at 5:38 ...