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Linux下部署企业级邮件服务器(postfix + dovecot + extmail) - 开源 & Gith...

...0: warning: pointer targets in assignment differ in signedness digestmd5.c:4017:15: error: #elif with no expression make[2]: *** [digestmd5.lo] 错误 1 make[2]:正在离开目录 `/root/linuxsoft/cyrus-sasl-2.1.21/plugins' make[1]: *** [all-recursive] 错误 1 make[1]:正在离开目录 `/root/linu...
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How is “=default” different from “{}” for default constructor and destructor?

... answered Nov 27 '12 at 6:40 Nicol BolasNicol Bolas 354k4747 gold badges595595 silver badges784784 bronze badges ...
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What is a Portable Class Library?

...etter to summarize those articles and put a brief here. Currently, read by 40,450 people, with average 20 minute (let's assume) to go through the links, means 561 days wasted in total. – Zafar Dec 21 '17 at 5:46 ...
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How do I give text or an image a transparent background using CSS?

...759452 – Adrien Be Feb 25 '14 at 17:40 @Gorkem Pacaci: Make sure the opacity properties are "really" cross-browser, yo...
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Is JavaScript guaranteed to be single-threaded?

... 'log out\n'; }, 100); i.focus(); <textarea id="log" rows="20" cols="40"></textarea> <input id="inp"> Results in log in, blur, log out on all except IE. These events don't just fire because you called focus() directly, they could happen because you called alert(), or ope...
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How do CUDA blocks/warps/threads map onto CUDA cores?

... 160 instructions 64 blocks with 6 threads = 64 warps * 10 instructions = 640 instructions In order to get optimal efficiency the division of work should be in multiples of 32 threads. The hardware will not coalesce threads from different warps. 3'. A GTX560 can have 8 SM * 8 blocks = 64 blocks a...
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How to make Twitter Bootstrap menu dropdown on hover rather than click

... it for future users: body { padding-top: 60px; padding-bottom: 40px; } .sidebar-nav { padding: 9px 0; } .dropdown-menu .sub-menu { left: 100%; position: absolute; top: 0; visibility: hidden; margin-top: -1px; } .dropdown-menu li:hover .sub-menu { visibili...
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What is Unicode, UTF-8, UTF-16?

... | edited Aug 1 '19 at 13:40 Nicola Amadio 911111 bronze badges answered Feb 28 '13 at 5:24 ...
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Why should I prefer single 'await Task.WhenAll' over multiple awaits?

...x – Oskar Lindberg Nov 21 '13 at 10:40 5 @OskarLindberg the OP is starting all tasks before he is...
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What's the difference between :: (double colon) and -> (arrow) in PHP?

... CrozinCrozin 40.5k1111 gold badges8181 silver badges129129 bronze badges a...