I believe to become a better developer you MUST get a better understanding of the underlying software systems you use on a daily basis and that includes programming languages, compilers and interpreters, databases and operating systems, web servers and web frameworks. And, to get a better and deeper understanding of those systems you MUST re-build them from scratch, brick by brick, wall by wall.
菜就多努力努力 今天第一次提交代码，花了好久但还是没通过测试。 要学的东西太多了 哎， 加油，给自己