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再说WCF Data Contract KnownTypeAttribute - 更多技术 - 清泛网移动版 - 专注C/C++及内核技术
...列化器去寻找未知对象的映射的途径。在Remoting中这样的问题不会存在，因为Remoting实际上是通过将一个类型传递给双方来进行类型匹配的。
那么KnowTypeAttribute到底用在什么地方呢？上边说了，当前类的未知类型。那什么又是当...
Best approach to remove time part of datetime in SQL Server
...nsive:
a) select DATEADD(dd, DATEDIFF(dd, 0, getdate()), 0)
Proven less CPU intensive for same total duration a million rows by some one with way too much time on their hands: Most efficient way in SQL Server to get date from date+time?
I saw a similar test elsewhere with similar results too.
I...
How to improve Netbeans performance?
...Mint as well Ubuntu box.
Netbeans was using > 700 MiB space and 50-80% CPU.
Then I decided do some clean up.
I had 30 plugins installed, and I was not using most of them.
So, I disabled the plugins I was not using, a whopping 19 plug ins I disabled. now memory uses down to 400+ MiB and CPU use...
开源邮件传输代理软件 -- Postfix 介绍 - 开源 & Github - 清泛网 - 专注C/C++及内核技术
...。还有一种情况时，如果postfix在处理邮件过程中遇到了问题，则该值会开始降低。
当接收到的新邮件的数量超过postfix的投递能力时，postfix会暂时停止投递deferred队列中的邮件而去处理新接收到的邮件。这是因为处理新邮件的...
Comparison of full text search engine - Lucene, Sphinx, Postgresql, MySQL?
...al performance, then you definitely need a good book about Lucene.
As for CPU & RAM requirements, performing a search in Lucene doesn't task your CPU too much, though indexing your data is, although you don't do that too often (maybe once or twice a day), so that isn't much of a hurdle.
It doe...
Running the new Intel emulator for Android
... should work much better than the previous version (which has emulated ARM CPU). Here are some links about it: this and this .
...
C语言结构体里的成员数组和指针 - C/C++ - 清泛网 - 专注C/C++及内核技术
...问0x4的内存地址，不crash才怪。于是，你一定会有如下的问题：
1）为什么不是 13行if语句出错？f.a被初始化为空了嘛，用空指针访问成员变量为什么不crash？
2）为什么会访问到了0x4的地址？靠，4是怎么出来的？
3）代码中的...
Is a LINQ statement faster than a 'foreach' loop?
...parison.
Re PLINQ; parallelism may reduce the elapsed time, but the total CPU time will usually increase a little due to the overheads of thread management etc.
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那些我印象深刻的建议和教诲 - 杂谈 - 清泛网 - 专注C/C++及内核技术
...弱点，真是人生的一大考验。有些人采取鸵鸟政策，假装问题不存在；有些人一看苗头不对就转移，避开心虚；还有些人打肿脸充胖子，掩盖心虚。总之，都是在躲，都是不健康的应对。
真正健康的方式是什么？是努力戒除情...
裁员！裁员！创业者们的2016“寒冬大逃杀” - 资讯 - 清泛网 - 专注IT技能提升
...候，“什么时候盈利”忽然成了几乎每个投资人都会问的问题，但在之前的三轮融资都没有人提过。当时大家关心的都是订单量、GMV和增速。
“无论公司当下有没有收入，从财务模型上看，都是要在收敛的、亏损是在变小的。...