大约有 45,000 项符合查询结果(耗时:0.0774秒) [XML]

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What is the m<em>osem>t effective way to get the i<em>nem>dex of a<em>nem> iterator of a<em>nem> std::vector?

I'm iterati<em>nem>g over a vector <em>a<em>nem>dem> <em>nem>eed the i<em>nem>dex the iterator is curre<em>nem>tly poi<em>nem>ti<em>nem>g at. AFAIK this ca<em>nem> be do<em>nem>e i<em>nem> two ways: 9...
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I<em>nem> Perl, how ca<em>nem> I read a<em>nem> e<em>nem>tire file i<em>nem>to a stri<em>nem>g?

... Add: local $/; before readi<em>nem>g from the file h<em>a<em>nem>dem>le. See How ca<em>nem> I read i<em>nem> a<em>nem> e<em>nem>tire file all at o<em>nem>ce?, or $ perldoc -q "e<em>nem>tire file" See Variables related to fileh<em>a<em>nem>dem>les i<em>nem> perldoc perlvar <em>a<em>nem>dem> perldoc -f local. I<em>nem>cide<em>nem>tally, if you ca<em>nem> put your script o<em>nem> the server,...
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Javascript objects: get pare<em>nem>t [duplicate]

... <em>Nem>o. There is <em>nem>o way of k<em>nem>owi<em>nem>g which object it came from. s <em>a<em>nem>dem> obj.subObj both simply have refere<em>nem>ces to the same object. You could also do: var obj = { subObj: {foo: 'hello world'} }; var obj2 = {}; obj2.subObj = obj.subObj; var s = obj.subObj; You <em>nem>ow have three refere<em>nem>ces, obj...
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Passi<em>nem>g Objects By Refere<em>nem>ce or Value i<em>nem> C#

... have always thought that <em>nem>o<em>nem>-primitive variables were passed by refere<em>nem>ce <em>a<em>nem>dem> primitive values passed by value. 7 A<em>nem>swers ...
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Should try…catch go i<em>nem>side or outside a loop?

...w which way the performa<em>nem>ce would be affected, I guess were back to try-it-<em>a<em>nem>dem>-test (as always). – Jeffrey L Whitledge Sep 27 '08 at 18:35 1 ...
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Quickly create large file o<em>nem> a Wi<em>nem>dows system

...m. By large I'm thi<em>nem>ki<em>nem>g 5 GB. The co<em>nem>te<em>nem>t does<em>nem>'t matter. A built-i<em>nem> comm<em>a<em>nem>dem> or short batch file would be preferable, but I'll accept a<em>nem> applicatio<em>nem> if there are <em>nem>o other easy ways. ...
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Removi<em>nem>g duplicates i<em>nem> lists

...retty much I <em>nem>eed to write a program to check if a list has a<em>nem>y duplicates <em>a<em>nem>dem> if it does it removes them <em>a<em>nem>dem> retur<em>nem>s a <em>nem>ew list with the items that were<em>nem>'t duplicated/removed. This is what I have but to be ho<em>nem>est I do <em>nem>ot k<em>nem>ow what to do. ...
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Differe<em>nem>ce betwee<em>nem> bi<em>nem>ary tree <em>a<em>nem>dem> bi<em>nem>ary search tree

Ca<em>nem> a<em>nem>yo<em>nem>e please explai<em>nem> the differe<em>nem>ce betwee<em>nem> bi<em>nem>ary tree <em>a<em>nem>dem> bi<em>nem>ary search tree with a<em>nem> example ? 12 A<em>nem>swers ...
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what is faster: i<em>nem>_array or isset? [cl<em>osem>ed]

... i<em>nem>_array: 1.738441 This builds o<em>nem> Jaso<em>nem>'s be<em>nem>chmark by filli<em>nem>g i<em>nem> some r<em>a<em>nem>dem>om values <em>a<em>nem>dem> occasio<em>nem>ally fi<em>nem>di<em>nem>g a value that exists i<em>nem> the array. All r<em>a<em>nem>dem>om, so beware that times will fluctuate. $a = array(); for ($i = 0; $i &lt; 10000; ++$i) { $v = r<em>a<em>nem>dem>(1, 1000000); $a[$v] = $v; } echo "S...
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Copy/duplicate database without usi<em>nem>g mysqldump

...o the server, is there a<em>nem>y way to duplicate/clo<em>nem>e a MySQL db (with co<em>nem>te<em>nem>t <em>a<em>nem>dem> without co<em>nem>te<em>nem>t) i<em>nem>to a<em>nem>other without usi<em>nem>g mysqldump ? ...