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Entity Framework select distinct name
...etter performance than grouping. Distinct : SQL Server Execution Times: CPU time = 0 ms, elapsed time = 50 ms. Grouping : SQL Server Execution Times: CPU time = 0 ms, elapsed time = 112 ms.
– Andre Mendonca
Jul 15 '15 at 22:02
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Fastest way to remove first char in a String
...member that when you are testing performance this way, you are affected by CPU caching, so you need to do that on the random strings, that you pre-populated an array (list) with, and randomly select the element of that array (list).
– ajeh
Sep 9 '16 at 19:51
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In C, do braces act as a stack frame?
... local variables may not use any stack space at all: they could be held in CPU registers or in some other auxiliary storage location, or be optimized away entirely.
So, the d array, in theory, could consume memory for the entire function. However, the compiler may optimize it away, or share its me...
乐视全员合伙人制的背后 - 资讯 - 清泛网 - 专注C/C++及内核技术
...论证与模型优化才最终成型。
上述人士称，在解决上述问题的过程中，乐视一直坚持了四个原则，就是希望给予员工“最具‘合伙人’精神的激励计划”、“最慷慨的激励额度”、“最彻底的价值分享”以及“最具生态...
WhatsApp如何成为销售钻戒的店面？ - 资讯 - 清泛网 - 专注C/C++及内核技术
...览器(主要针对安卓用户)推出了其应用的桌面版本后，该问题得以解决。
皮瑞安科夫另外有一部手机，专门用于在WhatsApp上与顾客交流，并将其跟三位销售人员的PC相连接。现在，无论他们何时与顾客交流，他们都能让办公室里...
MFC CListCtrl使用方法详解 - C/C++ - 清泛网 - 专注C/C++及内核技术
...}
25. 在添加item后，再InsertColumn()后导致整列数据移动的问题
Q151897: CListCtrl::InsertColumn() Causes Column Data to Shift
http://support.microsoft.com/kb/151897/en-us
26. 关于listctrl第一列始终居左的问题
解决办法：把第一列当一个虚列，从第...
Why shouldn't all functions be async by default?
...on, an many of your routines will be async. However, when you start doing CPU bound work, in general, making things async is actually not good - it's hiding the fact that you're using CPU cycles under an API that appears to be asynchronous, but is really not necessarily truly asynchronous.
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Apple Pay入华遇阻 只因BAT太受欢迎？ - 资讯 - 清泛网 - 专注C/C++及内核技术
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国内第三方支付平台抓住了商户的哪些痛？
要谈论这个问题，就必须关注线下商户所面临的痛点。早期移动支付的最大难点是支付媒介的缺失，这是拉卡拉们寸步难行而银联可以一家独大的关键所在。但随着O2O消费模式的普及...
Should I always use a parallel stream when possible?
...elves may be processed simultaneously. In other words, if you have several CPU cores available, each part can run on its own core independently of the other parts, while processing its own elements sequentially. (NOTE: I don't know, if this is how parallel Java streams work, I'm just trying to clari...
How do I trap ctrl-c (SIGINT) in a C# console app
...nning may need to be marked volatile. The main thread might cache it on a CPU register otherwise, and won't notice the value change when the delegate is executed.
– cdhowie
Sep 20 '12 at 18:34
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