大约有 45,000 项符合查询结果(耗时:0.0446秒) [XML]

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What's this =! operator? [duplicate]

... That's two operators, = <em>a<em>nem>dem> !, <em>nem>ot o<em>nem>e. It might be a<em>nem> obfuscated way of writi<em>nem>g a = !b; if (a) { // whatever } setti<em>nem>g a to the logical i<em>nem>verse of b, <em>a<em>nem>dem> testi<em>nem>g whether the result is true (or, equivale<em>nem>tly, whether b was false). Or it migh...
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How to get HTTP Respo<em>nem>se Code usi<em>nem>g Sele<em>nem>ium WebDriver

I have writte<em>nem> tests with Sele<em>nem>ium2/WebDriver <em>a<em>nem>dem> wa<em>nem>t to test if HTTP Request retur<em>nem>s a<em>nem> HTTP 403 Forbidde<em>nem>. 9 A<em>nem>swers ...
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Ca<em>nem> grep show o<em>nem>ly words that match search patter<em>nem>?

... output. This is the default whe<em>nem> there is o<em>nem>ly o<em>nem>e file (or o<em>nem>ly st<em>a<em>nem>dem>ard i<em>nem>put) to search. -o, --o<em>nem>ly-matchi<em>nem>g Pri<em>nem>t o<em>nem>ly the matched (<em>nem>o<em>nem>-empty) parts of a matchi<em>nem>g li<em>nem>e, with each such part o<em>nem> a separate output li<em>nem>e. ...
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Java Ru<em>nem>time.getRu<em>nem>time(): getti<em>nem>g output from executi<em>nem>g a comm<em>a<em>nem>dem> li<em>nem>e program

I'm usi<em>nem>g the ru<em>nem>time to ru<em>nem> comm<em>a<em>nem>dem> prompt comm<em>a<em>nem>dem>s from my Java program. However, I'm <em>nem>ot aware of how I ca<em>nem> get the output the comm<em>a<em>nem>dem> retur<em>nem>s. ...
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How to co<em>nem>vert a<em>nem> i<em>nem>teger to a stri<em>nem>g i<em>nem> a<em>nem>y base?

...does i<em>nem>clude a fast, completely ge<em>nem>eral i<em>nem>t-to-stri<em>nem>g co<em>nem>versio<em>nem> fu<em>nem>ctio<em>nem>, <em>a<em>nem>dem> ca<em>nem> be built for such a<em>nem>cie<em>nem>t versio<em>nem>s -- you may <em>nem>eed to try older releases si<em>nem>ce the rece<em>nem>t o<em>nem>es have <em>nem>ot bee<em>nem> tested for ve<em>nem>erable Pytho<em>nem> <em>a<em>nem>dem> GMP releases, o<em>nem>ly somewhat rece<em>nem>t o<em>nem>es), or, for less speed but more co<em>nem>ve<em>nem>...
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Li<em>nem>ki<em>nem>g R <em>a<em>nem>dem> Julia?

Julia looks very promisi<em>nem>g for fast <em>a<em>nem>dem> sy<em>nem>tax-sa<em>nem>e computatio<em>nem> (e.g. here ), but I suspect it will <em>nem>ot be a<em>nem>ywhere <em>nem>ear R i<em>nem> terms of overall statistics workflow for some time yet. So I'd like to use it where C++ is mai<em>nem>ly used i<em>nem> R programs: to optimize slow portio<em>nem>s of code. Before I i<em>nem>vest th...
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Why should<em>nem>'t all fu<em>nem>ctio<em>nem>s be asy<em>nem>c by default?

... First off, tha<em>nem>k you for your ki<em>nem>d words. It is i<em>nem>deed a<em>nem> awesome feature <em>a<em>nem>dem> I am glad to have bee<em>nem> a small part of it. If all my code is slowly tur<em>nem>i<em>nem>g asy<em>nem>c, why <em>nem>ot just make it all asy<em>nem>c by default? Well, you're exaggerati<em>nem>g; all your code is<em>nem>'t tur<em>nem>i<em>nem>g asy<em>nem>c. Whe<em>nem> you add two "plai<em>nem>" i<em>nem>...
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Simple logical operators i<em>nem> Bash

I have a couple of variables <em>a<em>nem>dem> I wa<em>nem>t to check the followi<em>nem>g co<em>nem>ditio<em>nem> (writte<em>nem> out i<em>nem> words, the<em>nem> my failed attempt at bash scripti<em>nem>g): ...
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Bitwise operatio<em>nem> <em>a<em>nem>dem> usage

...ators that work o<em>nem> multi-bit values, but co<em>nem>ceptually o<em>nem>e bit at a time. <em>A<em>Nem>Dem> is 1 o<em>nem>ly if both of its i<em>nem>puts are 1, otherwise it's 0. OR is 1 if o<em>nem>e or both of its i<em>nem>puts are 1, otherwise it's 0. XOR is 1 o<em>nem>ly if exactly o<em>nem>e of its i<em>nem>puts are 1, otherwise it's 0. <em>Nem>OT is 1 o<em>nem>ly if its i<em>nem>put is 0, o...
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Automatically plot differe<em>nem>t colored li<em>nem>es

I'm tryi<em>nem>g to plot several ker<em>nem>el de<em>nem>sity estimatio<em>nem>s o<em>nem> the same graph, <em>a<em>nem>dem> I wa<em>nem>t them to all be differe<em>nem>t colors. I have a kludged solutio<em>nem> usi<em>nem>g a stri<em>nem>g 'rgbcmyk' <em>a<em>nem>dem> steppi<em>nem>g through it for each separate plot, but I start havi<em>nem>g duplicates after 7 iteratio<em>nem>s. Is there a<em>nem> easier/more efficie<em>nem>...