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What is the facade design pattern?
...kipedia has a great example of Facade pattern.
/* Complex parts */
class CPU {
public void freeze() { ... }
public void jump(long position) { ... }
public void execute() { ... }
}
class Memory {
public void load(long position, byte[] data) { ... }
}
class HardDrive {
public b...
国产操作系统迎发展机遇 业内呼吁建立联盟打造生态 - 资讯 - 清泛网 - 专注...
...结合作。据了解,目前从事操作系统超过十家企业,从事CPU研发的有六七家。倪光南认为:“我们已经有一些掌握操作系统核心技术、掌握CPU核心技术的若干企业,但应该要集中力量办大事。形成一个联盟,制定统一的标准,完...
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
...
大单融资后,MOOC去哪儿 - 资讯 - 清泛网 - 专注C/C++及内核技术
...主任蒋健伟表示,“MOOC能有效解决教育资源分配不均的问题,通过校际间的课程互补,提高各所学校的教学能力。”
在MOOC逐渐受到关注的同时,资本也开始发力。2014年12月,果壳网与学堂在线分别获得C轮和A轮融资。据了解,...
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
...
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.
...