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摘要： Introduction to Architecting Systems for Scalehttp://lethain.com/introduction-to-architecting-systems-for-scale/Few computer science or software development programs attempt to teach the building blocks of scalable systems. Instead, system architecture is usually picked up on the job byworking throu 阅读全文

摘要： http://www.siafoo.net/article/52Contents1Quick Tricks1.1Four Kinds of Quotes1.2Truthfulness of Various Objects1.3Checking if a String Contains a Substring1.4Pretty-Printing a List1.5Integer vs. Float Division1.6Lambda Functions2Lists2.1List Comprehensions2.1.1Mapping the List2.1.2Filtering the List2 阅读全文

摘要： 原文地址：http://jianpx.iteye.com/blog/4864661. import 实际上是python虚拟机把当前的globals()和locals()传进__builtins__.__import__内置函数了，所以实际上干活的是那个__import__函数！2. import对命名空间的影响1）如果是python的内置模块，例如os模块。这些模块是随着python虚拟机启动而加载进来的，但是并没有暴露出来。我们可以通过dir()命令查看当前命名空间Python代码 >>> dir()['__builtins__', '__doc_ 阅读全文

摘要： 编程语言最容易引起战争，战争的原因就是大家都站在自己的领域和项目的角度看待编程语言！如何选择编程语言呢？下面的文章或许给我们一些启迪！Choosing a Programming Language: So easy, a caveman can do ithttp://the-world-is.com/blog/1. IntroductionAbout a week or two ago, I found myself prompting Google and other search engines with questions like, “what is the best program 阅读全文