大约有 7,000 项符合查询结果(耗时:0.0216秒) [XML]

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SQlite Getting nearest locations (with latitude and longitude)

...nates (eg UTM or OS grid references). If using degrees for lat/lng (eg WGS84) then the above only works at the equator. At other latitudes, you need to decrease the impact of longitude on the sort order. (Imagine you're close to the north pole... a degree of latitude is still the same as it is an...
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What column type/length should I use for storing a Bcrypt hashed password in a Database?

...value denoting the cost parameter, followed by $ a 53 characters long base-64-encoded value (they use the alphabet ., /, 0–9, A–Z, a–z that is different to the standard Base 64 Encoding alphabet) consisting of: 22 characters of salt (effectively only 128 bits of the 132 decoded bits) 31 chara...
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techniques for obscuring sensitive strings in C++

... cslcsl 9,91955 gold badges5151 silver badges8484 bronze badges ...
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Installing PG gem on OS X - failure to build native extension

...sion 8.x installed. So I run the following command: ARCHFLAGS="-arch x86_64" gem install pg and this worked for me, I hope this helps someone :) share | improve this answer | ...
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What's the strangest corner case you've seen in C# or .NET? [closed]

... Answer: On 32-bit JIT it should result in a StackOverflowException On 64-bit JIT it should print all the numbers to int.MaxValue This is because the 64-bit JIT compiler applies tail call optimisation, whereas the 32-bit JIT does not. Unfortunately I haven't got a 64-bit machine to hand to v...
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Is there a code obfuscator for PHP? [closed]

...ace($infile); // compress data $data=gzcompress($data,9); // encode in base64 $data=base64_encode($data); // generate output text $out='<?ob_start();$a=\''.$data.'\';eval(gzuncompress(base64_decode($a)));$v=ob_get_contents();ob_end_clean();?>'; // write output text file_put_contents($outfile,$...
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how to check redis instance version?

... 164 Run the command INFO. The version will be the first item displayed. The advantage of this over...
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'ssh-keygen' is not recognized as an internal or external command

... Windows, whose releases include PortableGit-2.4.3.1-2nd-release-candidate-64-bit.7z c:\path\to\PortableGit-2.4.3.1-2nd-release-candidate-64-bit\usr\bin\ssh-keygen.exe That means the %PATH% must include c:\path\to\PortableGit-2.4.3.1-2nd-release-candidate-64-bit\usr\bin (without the ssh-keygen.ex...
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When should std::move be used on a function return value? [duplicate]

...ction is declared to return std::unique_ptr<Base>? In gcc and mingw-w64 it just works, but vanilla mingw (based gcc 4.9.3, targeting i686-pc-cygwin) needs std::move(x) to compile. – rr- Oct 12 '15 at 7:01 ...
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How to use OpenSSL to encrypt/decrypt files?

... -ciphername [-in filename] [-out filename] [-pass arg] [-e] [-d] [-a/-base64] [-A] [-k password] [-kfile filename] [-K key] [-iv IV] [-S salt] [-salt] [-nosalt] [-z] [-md] [-p] [-P] [-bufsize number] [-nopad] [-debug] [-none] [-engine id] Explanation of most useful parameters with regards to yo...