Stackless Python
Stackless Python is an enhanced version of the Python programming language. It allows programmers to reap the benefits of thread-based programming without the performance and complexity problems associated with conventional threads.
Codecademy
Codecademy is the easiest way to learn how to code. It\'s interactive, fun, and you can do it with your friends.
闪无忧
闪无忧中国Flash教程网是人性化的专业Flash综合类网站，一切以用户的需求为中心，致力与Flash，Flex，Air等多种技术的交流与支持。我们同时提供了Flash教程，Flex类人才招聘求职平台，Flash项目外包，程序买卖平台。
CIO
Serving chief information officers and other IT leaders, CIO.com, CIO magazine, CIO Executive Programs, CIO Custom Solutions Group and the CIO Executive Council are produced by CXO Media, an award-winning business unit of International Data Group.
IDG
IDG, the world′s leading technology media, research and event company, reaches more than 140 million technology buyers in 85 countries representing 95% of worldwide IT spending.
ITworld
ITworld delivers strategic analysis, best practices, news and product information to better inform IT professionals on today's leading tech topics.
电脑商网
电脑商网以及相关附属网站，定位于中国IT商务门户，致力于向中国IT产品和服务整个产业链上的商业伙伴（包括OEM/ODM厂商、品牌供应商、ISV/IHV、分销商、咨询公司、服务提供商、代理商、零售商、系统集成商、增值代理商等）提供全方位的资讯和服务，同时也是一个基于开放架构的网络交流平台，可以为上述商家之间的商务信息交流、管理信息交流、经营信息交流、人才信息交流提供良好的平台保证。
IEEE
IEEE, the world's leading technical professional association, fosters innovation through publications, conferences, standards development, and member collaboration.