Https, HTTP over SSL, is one of the encrypted protocols which is widely used in web serving. The reason people would like to trust https connection is that HTTP protocol transfers non-encrypted contents. Activities such as online shopping cannot be secured under such a condition, so https was born.
Hisenz.com now has https connection working to deliver every word from this site to your browser.
It’s Nov. 22, 2017, Hisen’s first server is down due to the Great Firewall.
Elementary Programming Study Package
This file contains several key information and instructions. Please read them carefully before using this pack.
“EP” (Elementary Programming) is capable of teaching students who never contact with computer programming. Unlike most of tutorials, this package change the order of knowledge according to the level of beginners. This course employed Python 3.X for instructing.
逆波兰表达式练习涉及到条件判断/循环/变量类型以及初级的数据结构, 逻辑简洁, 是理想的初学者编程练习项目. 这里提供一个简单的Python版本实现.