I am a software engineer so that develop software is my daily work. I put some notes here to make my knowledge more organized.

• Tricks in Windows
• Tricks in Linux
• Tricks in MacOS
• Other Tricks
• Tricks in VMware

• Useful Tools in Windows
• Useful Tools in Linux
• Useful Tools in MacOS
• Other Useful Tools
• Online Useful Tools
• Licenses & Serial Numbers

• Linux Kernel
• Data Structure
• Algorithm
• Network
• Database
• Storage
• Multithread & Lock
• Source Code Management
• Package & Build
• C/C++
• Java
• .NET
• Python
• Ruby
• Perl
• Javascript
• Shell
• PowerShell
• Flex/ActionScript
• VMware

• Company Projects
• Sparetime Projects