My knowledge base

Online tools

• MikuTools: a collection of small useful online tools.
• 免費資源網路社群 (Traditional Chinese): a collection of free tools.

Math tools

• Desmos graphing calculator
• Geogebra
• Detexify

Linux

• Awesome Linux software

USB burning tools

The following tools make installation USB keys from ISO files.

• Ventoy : an open source tool to create a bootable USB drive loading ISO files in the partition.
• Rufus : flashing Linux/Windows ISOs in Windows.
• Etcher : flashing Linux ISOs in Linux/Windows.
• Gnome disks

Linux Wikis and forums

• Unix stack exchange
• Arch Wiki
• Ask ubuntu
• Ubuntu wiki

Regex

• Regex 101
• Regexr
• Regex tester

Development

• cheat.sh: accessible via curl or a browser.
• cheatsheets.zip
• Free for dev: online tools with free tiers.
• edX: introduction to Linux

C/C++

• Compiler explorer: assembly for a C/C++ code snippet.
• Quick C++ benchmarks

Shell programming

• awesome-shell
• Shell check
• Explain shell
• Learn Bash in Y minutes
• Ryan’s Tutorial