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Cross-browser testing: All major browsers on ONE machine
...lable for other virtualization products such as VMware, Parallels, Virtual PC and Hyper-V)
IE6 XP image for VirtualBox on Windows about 764MB
IE6 XP image for VirtualBox on Mac about 717MB
IE6 XP image for VirtualBox on Linux about 771MB
Preparing the image for use:
VirtualBox settings: Enable ...
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...ost outdated.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...