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Memcached下一站:HandlerSocket! - 更多技术 - 清泛网 - 专注C/C++及内核技术

...解决方案,它通过插件的方式赋予MySQL完整的NoSQL功能,原理上讲,它跳过MySQL中最耗时的语法解析,查询计划等步骤,直接读取数据,如果内存够大,能装下索引,MySQL的查询效率能提高若干倍! 性能测试:Using MySQL as a NoSQL ...
https://www.tsingfun.com/ilife/tech/834.html 

余佳文公开道歉: “一亿分红”本质上是吹嘘炒作 - 资讯 - 清泛网 - 专注C/...

... 为了向所有人证明我的醒悟,重新取信于社会,我决定我个人持有的股份里,拿出总额的百分之十,分发给我的团队,作为对我“一亿分红”食言的补偿和道歉,作为此次事件的惩罚和教训。 创业不容易。我请求大家给我...
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Wolfram's Rule 34 in XKCD [closed]

...gt; 1 You can do all of this with a single "color" of comparing (like an XOR circuit for example) and even merge this operation with the write operation. Then by keeping 2 control bits somewhere (o and 1 at the beginning of your memory) you can accomplish writing a plain 0 or 1 by comparing those ...
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App Inventor 2 SQLite 拓展:超流行兼容主流SQL语法的迷你本地数据库引擎...

...继续! 背景 在编写此扩展之前,我未进行过任何 Android 编程。我突然需要一款小型应用,这将是一次完美的学习体验。小处着手,我遇了 App Inventor 以及该平台的所有变体。经过一番研究,我得出结论...
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Is multiplication and division using shift operators in C actually faster?

... optimised approach #define N 0 int x; .word x xor registerA, registerA x *= N; move x -> registerA move x -> registerB A = B * immediate(0) store registerA -> x ...............do something more with x...
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MFC OnEraseBkgnd浅析 - C/C++ - 清泛网 - 专注C/C++及内核技术

...上灰色的底色了。 比较好的做法是直接将绘图的程序OnPaint()移OnEraseBkgnd()来做,如下所示: // m_bmpBKGND 为一CBitmap对象 且事先早已加载我们的底图 // 底图的大小与我们的窗口client大小一致 BOOL CMyDlg::OnEraseBkgnd(CDC* pDC) { ...
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大单融资后,MOOC去哪儿 - 资讯 - 清泛网 - 专注C/C++及内核技术

...,更多是因为政策红利。在大额融资后,MOOC又该何去何? MOOC融资后的高校竞争 2013年被称为中国MOOC元年。这种大型开放式网络课程在进入国内后便在一片质疑声中戴上光环,迎来了迅猛的发展。目前国内MOOC领域已分为两种...
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创业者只需要一种素质:成为某个领域的意见领袖 - 资讯 - 清泛网 - 专注C/C...

...播的一个视频,里面描述了中国80%的男士有手淫的需求,而开发了一个APP和与之匹配的智能硬件,视频全篇实际上是在说一件没有的事,但是搏得了很多人的关注。 也就是说现在你甚至不用有产品,只要大家觉得你有意思,...
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How does the Comma Operator work

...following syntax possible and meaningful: keywords = "and", "or", "not", "xor"; Notice that due to operator precedence, the code is (intentionally!) identical to (((keywords = "and"), "or"), "not"), "xor"; That is, the first operator called is keywords.operator =("and") which returns a proxy o...
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Zero-based month numbering [closed]

...m Assembly programmers. Instead of assigning 1 to the count register, they XOR'ed the register with itself, which was slightly faster in CPU cycles. This meant that counting would start with 0 and would always be up to the length of elements, excluding the last one. Also, the use of zero is also po...