Interesting sites, record the history of programming languages. There are many interesting statistics inside. For example, the language of the invention in that year? I can't help but sigh, I really have more than 6,000 languages from 1840 to 2000. It is impossible to learn all the language, and it is not necessary. Fortunately, we have a powerful tool called abstraction. :-) For example, the paradigm. If the current Script Kids will be quietly read, read the books of the programming language, master the basic theory about the paradigm, there will be no so many messages on the Internet, which seems to be more than the so-called language. To continue to go deep, you can see the Universal Algebra, formal method, and Category THEORY (some people enlightened Universal Algebra and Category THEORY Chinese translation? Different numbers and classification theory?). Although these things are not required, but they can pull our eyes and deepen our thinking. It takes time to take time (for sale, spending time on the basis), which is more than Today's ASP, tomorrow JSP is more cost-effective. Right, ASP and JSP are the same, and it is to simplify web developer work design, and you can get your hand in a few days. I don't understand why I understand JSP will feel that ASP is difficult, or vice versa. As for the good, that is, the so-called "Kung Fu is in poetry", it is really unrelated to the single sentence of XSP. If you feel that XSP mysteries are difficult to understand, it should put down your hand, take a look, think about it.