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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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Node.js on multi-core machines
...ents and N processes doing heavy compute tasks and chewing up the other 15 CPUs.
For scaling throughput on a webservice, you should run multiple Node.js servers on one box, one per core and split request traffic between them. This provides excellent CPU-affinity and will scale throughput nearly line...
iPhone App 开发第一步：从零到真机调试HelloWorld - 更多技术 - 清泛网 - ...
...！ 最近才开始研究iPhone开发，由于没有Mac，采用的是AMD CPU + Win7 + VMWare之后安装Mac OS X Snow Le... iCc原创，转载请注明出处！
最近才开始研究iPhone开发，由于没有Mac，采用的是AMD CPU + Win7 + VMWare之后安装Mac OS X Snow Leopard，再升级...
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...
Mod in Java produces negative numbers [duplicate]
.... I perform a lot of premature optimization. I assume it saves a couple of CPU cycles.
– Dico
Jan 9 '17 at 17:26
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When to use AtomicReference in Java?
...system call, and your thread will block and be context switched out of the CPU to make way for other processes.
The other option is to use an AtomicRefrence.
public static AtomicReference<String> shared = new AtomicReference<>();
String init="Inital Value";
shared.set(init);
//now we w...
PHP substring extraction. Get the string before the first '/' or the whole string
... This should be the excepted answer. Definitely faster and more memory and CPU cycles efficient then any of the explode solutions given.
– Shivam Maheshwari
Jul 6 '16 at 20:04
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Is there any free OCR library for Android? [closed]
...
OCR can be pretty CPU intensive, you might want to reconsider doing it on a smart phone.
That aside, to my knowledge the popular OCR libraries are Aspire and Tesseract. Neither are straight up Java, so you're not going to get a drop-in Andro...
基于PECL OAuth打造微博应用 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...rOAuth改的，一旦多平台集成，很容易出现命名冲突之类的问题。
既然官方SDK不给力，那我们只能发扬自力更生的革命精神了！好消息是PHP本身已经有了一个标准的OAuth实现：PECL OAuth！下面以此为例来讲解一下：
说明：首先需...
ZeroMQ的学习和研究（PHP代码实例） - C/C++ - 清泛网 - 专注C/C++及内核技术
...订阅者，必然会丢失掉一部分信息，这是这个模式的一个问题，所谓的 Slow joiner。稍后，会解决这个问题。
d) 但是，如果 Publisher 中途离开，所有的 Subscriber 会 hold 住，等待 Publisher 再上线的时候，会继续接受信息。
ZMQ 的 PipeL...