大约有 6,000 项符合查询结果(耗时:0.0146秒) [XML]

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What does the thread_local mean in C++11?

I am confused with the description of thread_local in C++11. My understanding is, each thread has unique copy of local variables in a function. The global/static variables can be accessed by all the threads (possibly synchronized access using locks). And the thread_local variables are visible to...
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Sending HTTP POST Request In Java

....encode( rawData, "UTF-8" ); URL u = new URL("http://www.example.com/page.php"); HttpURLConnection conn = (HttpURLConnection) u.openConnection(); conn.setDoOutput(true); conn.setRequestMethod("POST"); conn.setRequestProperty( "Content-Type", type ); conn.setRequestProperty( "Content-Length", String...
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What's the difference between a web site and a web application? [closed]

...ites are primarily informational. In this sense, http://cnn.com and http://php.net are websites, not web applications. Web applications primarily allow the user to perform actions. Google Analytics, gmail, and jslint are web applications. They are not entirely exclusive. A university website lik...
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Using semicolon (;) vs plus (+) with exec in find

...ind . -name 'test*' -exec echo {} \; ./test.c ./test.cpp ./test.new ./test.php ./test.py ./test.sh With a plus, the command echo is called once only. Every file found is passed in as an argument. $ find . -name 'test*' -exec echo {} \+ ./test.c ./test.cpp ./test.new ./test.php ./test.py ./test.s...
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How does LMAX's disruptor pattern work?

...an explanation of ring buffer that is the core of the disruptor pattern, a description of the consumer barriers (the part related to reading from the disruptor) and some information on handling multiple producers available. The simplest description of the Disruptor is: It is a way of sending messag...
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How to disable typing special characters when pressing option key in Mac OS X? [closed]

...is to download Ukulele from here: http://scripts.sil.org/cms/scripts/page.php?site_id=nrsi&id=ukelele In the application you can create a new keylayout using File -> New from current source. Pressing Option will show you in the place for Option-b a red colored key - meaning it's a dead key....
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Modify SVG fill color when being served as Background-Image

...server-side script, to make sure you also send the correct MIME header. In PHP this would be: <?php header('Content-type: image/svg+xml'); ?> – slightlyfaulty Aug 21 '14 at 10:53 ...
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Grep for literal strings

...nothing will be found. So this didn't return any result: grep --include=\*.php -FRn -e "$$" Using single quoutes gave me the wanted result: grep --include=\*.php -FRn -e '$$' – Piemol Nov 15 '17 at 13:16 ...
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HTML select form with option to enter custom value

...one know how to convert the action to a POST, so I can grab the value in a php file and do something with it there? – Han Sep 29 '19 at 8:17 ...
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How to show math equations in general github's markdown(not github's blog)

...e following markdown syntax ![equation](http://www.sciweavers.org/tex2img.php?eq=1%2Bsin%28mc%5E2%29&bc=White&fc=Black&im=jpg&fs=12&ff=arev&edit=) it will display the following image equation http://www.sciweavers.org/tex2img.php?eq=1%2Bsin%28mc%5E2%29&bc=White&fc...