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正则表达式 30 分钟入门教程 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...e 30 Minute Regex Tutorial。由于评论里有过长的URL,所以本页排版比较...
来园子之前写的一篇正则表达式教程，部分翻译自codeproject的The 30 Minute Regex Tutorial。
由于评论里有过长的URL,所以本页排版比较混乱,推荐你到原处...
Comparison between Corona, Phonegap, Titanium
...ost outdated.
The biggest change came from Titanium. Earlier this year, Appcelerator released Titanium 1.0, which departed drastically from its previous versions from the architectural standpoint. In 1.0, the UIWebView control is no longer in use. Instead, you call Titanium APIs for any UI functio...
Why aren't ◎ܫ◎ and ☺ valid JavaScript variable names?
...ark (Mc)”, “Decimal digit number (Nd)”, or “Connector punctuation (Pc)”.
I’ve also created a tool that will tell you if any string that you enter is a valid JavaScript variable name according to ECMAScript 5.1 and Unicode 6.3:
P.S. If you were to summarize all these rules in a sin...
What are the differences between virtual memory and physical memory?
... words, you cannot run a high-memory consuming app in your ramshackle 1 GB PC.
Okay, so now you decide that you no longer need to keep Eclipse and Chrome open, you close them to free up some memory. The space occupied in RAM by those processes is reclaimed by OS, and it looks like this now:
...
构建高并发高可用的电商平台架构实践 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...一般是独立部署的。
高并发：
业务层对外协议以NIO的RPC方式暴露，可以采用比较成熟的NIO通讯框架，如netty、mina
可用性：
为了提高模块服务的可用性，一个模块部署在多个节点做冗余，并自动进行负载转发和失效转移;
最...