Java Class
Outline
- RTTI
- Class对象
- 类型转换前先做检查
- 反射
- 动态代理
- 空对象
ref : Thinking in Java
Outline:
Common Linux commands and operations.
Outline:
介绍了Linux系统的硬件基本知识,更多内容参见我的《OS Introduction》
Outline:
介绍了docker的基本概念和命令
Outline:
Ref:
OpenPGP is the standard for public-key encryption and digital signatures. GnuPG, usually called GPG, is its most widely used implementation.
This note is a practical introduction to GPG.
Some familiarity with public-key cryptography is helpful here; see also my note on network security.
awk is a an interpreted programming language that is good at processing text streams
ref: awk tutorial