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WebSockets protocol vs HTTP

...ml,application/xml;q=0.9,*/*;q=0.8 User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.17 (KHTML, like Gecko) Chrome/24.0.1312.68 Safari/537.17 Accept-Encoding: gzip,deflate,sdch Accept-Language: en-US,en;q=0.8 Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.3 Cookie: [[[2428 byte of cookie dat...
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How do I merge two dictionaries in a single expression in Python (taking union of dictionaries)?

...4 >>> min(repeat(lambda: dict(chain(x.items(), y.items())))) 2.740647904574871 >>> min(repeat(lambda: dict(item for d in (x, y) for item in d.items()))) 4.266070580109954 $ uname -a Linux nixos 4.19.113 #1-NixOS SMP Wed Mar 25 07:06:15 UTC 2020 x86_64 GNU/Linux Resources on Dicti...
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How to write iOS app purely in C

... gsamaras 64.5k3131 gold badges140140 silver badges240240 bronze badges answered Apr 24 '12 at 0:37 Richard J. ...
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How do multiple clients connect simultaneously to one port, say 80, on a server? [duplicate]

... 464 First off, a "port" is just a number. All a "connection to a port" really represents is a pack...
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Secure hash and salt for PHP passwords

...mix bcrypt and with the raw output of hash(), either use hex output or base64_encode it. (This applies to any input that may have a rogue \0 in it, which can seriously weaken security.) Dos Use scrypt when you can; bcrypt if you cannot. Use PBKDF2 if you cannot use either bcrypt or scrypt, with ...
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xkcd style graphs in MATLAB

... 64 The first step... find a system font you like (use the function listfonts to see what's availab...
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How is the fork/join framework better than a thread pool?

...r-threading), Intel(R) Core(TM) i7-2720QM CPU @ 2.20GHz) the fib(50) takes 64 seconds with the classic approach and just 18 seconds with the Fork/Join approach which is quite a noticeable gain, although not as much as theoretically possible. Summary Yes, in your example Fork/Join has no advantage...
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How to generate a random number in C++?

...r_engine<> (and its convenience typedefs - std::mt19937/std::mt19937_64 with good template parameters combination) provides per-object pseudo-random number generator defined in C++11 standard. With the same template parameters and the same initialization parameters different objects will gener...
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Fast Bitmap Blur For Android SDK

...rough the pixels of an image to blur it. This takes about 30 seconds on a 640x480 image. 19 Answers ...
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How should a model be structured in MVC? [closed]

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