大约有 23,000 项符合查询结果(耗时:0.0274秒) [XML]

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How to allocate aligned memory only using the standard library?

... allocate a space in which 1024 bytes of data can be stored, and where the base address is a multiple of 16 bytes". If the interviewer really meant how can you allocate 1024 bytes (only) and have it 16-byte aligned, then the options are more limited. Clearly, one possibility is to allocate 1024 b...
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Echo a blank (empty) line to the console from a Windows batch file [duplicate]

...ommended for outputting a blank line from cmd.exe. All recommendations are based on variations of the echo command. echo. While this will work in many if not most situations, it should be avoided because it is slower than its alternatives and actually can fail (see here, here, and here). Specif...
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Most efficient way to create a zero filled JavaScript array?

...rays - with 1M elements - you can perform test HERE Conclusions solution based on new Array(n)+for (N) is fastest solution for small arrays and big arrays (except Chrome but still very fast there) and it is recommended as fast cross-browser solution solution based on new Float32Array(n) (I) return...
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What is a “web service” in plain English?

... answered Oct 22 '08 at 15:02 64BitBob64BitBob 2,97711 gold badge1515 silver badges2323 bronze badges ...
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What is the difference between DSA and RSA?

...me of which encrypt (e.g. RSA-OAEP). But we gave every algorithms in group based crypto a different name, calling one of the encryption algorithms ElGamal encryption and calling one of the signature algorithms DSA. – CodesInChaos Oct 23 '13 at 12:40 ...
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ERROR 2006 (HY000): MySQL server has gone away

... max_allowed_packet=64M Adding this line into my.cnf file solves my problem. This is useful when the columns have large values, which cause the issues, you can find the explanation here. On Windows this file is located at: "C:\ProgramData...
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Can you make valid Makefiles without tab characters?

... However, since I didn't feel like doing that, I ended up using a solution based on this one. Line 1: target:\ , Line 2: [four-space indentation] followed by ;command – L S Aug 9 '16 at 19:48 ...
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How to validate an Email in PHP?

...1\\x23-\\x5B\\x5D-\\x7F]|(?:\\x5C[\\x00-\\x7F]))*\\x22)))*@(?:(?:(?!.*[^.]{64,})(?:(?:(?:xn--)?[a-z0-9]+(?:-+[a-z0-9]+)*\\.){1,126}){1,}(?:(?:[a-z][a-z0-9]*)|(?:(?:xn--)[a-z0-9]+))(?:-+[a-z0-9]+)*)|(?:\\[(?:(?:IPv6:(?:(?:[a-f0-9]{1,4}(?::[a-f0-9]{1,4}){7})|(?:(?!(?:.*[a-f0-9][:\\]]){7,})(?:[a-f0-9]{...
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UUID max character length

... you want to accept them, and 2) what the max length of those IDs might be based on whatever API is used to generate them. share | improve this answer | follow ...
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Mac OS X Terminal: Map option+delete to “backward delete word”

...apping ⌥⌫ to what esc⌫ is doing and you keep having ^W to erase word based on space delimiter. I would love to be able to post an image on how do this but as a newbies I can't. refer to bouke comment to see how to modify terminal profile. ...