#DesignPattern
深入淺出單一職責原則 Single Responsibility Principle · jyt0532...深入淺出開放封閉原則 Open-Closed Principle · jyt0532's Blog深入淺出 Liskov 替換原則 Liskov Substitution Principle · jyt...深入淺出介面分割原則 Interface Segregation Principle · jyt0532...深入淺出依賴反向原則 Dependency Inversion Principle · jyt0532'...

#flask #python
Flask-Migrate: 下 flask db downgrade 指令，遇到錯誤訊息：
if len(ident) > self.max_identifier_length:
TypeError: object of type 'NoneType' has no len()

drop_constraint etc. should check for name=None and ...

#作業系統
Operating System Concepts 10th
Web Page supporting Operating System Concepts, Tenth...[系列文目錄] 作業系統 Operating System Concepts【小黑馬作業系統教室統整】自編超齊全的「作業系統」科目學習整理 - iT 邦幫忙::一起幫忙解決難題，拯...

[bash]
bash shortcuts
網頁開發雜記 on Facebook

#PyCharm
How to use pycharm to auto indent the select area by...【action: Reformat code:
hotkey: cmd+alt+L(Mac), CTRL + ALT + L(win)】
为Git仓库里的.idea文件夹正名

[網頁開發可能會用到的小知識]
各國國碼及手機格式 @ 羅巴特 :: 痞客邦 ::
Validate International Phone Numbers

[regular expression]
語法
Regex Cheat SheetRegular expression syntax cheatsheet - JavaScript | ...
測試
RegExr: Learn, Build, & Test RegEx
右下方有常用正規式列表
Regex Tester and Debugger Online - Javascript, PCRE,...

[TypeScript]
TypeScrip 新手指南
前言GitHub - statelyai/xstate: State machines and statec...

[開源]
授權：Home - OpenChain如何為開源做貢獻？

[程式開發工具]
api 文件：
API Documentation & Design Tools for Teams | SwaggerSlate：建立漂亮的靜態 API 文件開源工具 - Soft & Share 線上課程資訊分享測試 api：Postman API Platform | Sign Up for Free畫圖：GitHub - mermaid-js/mermaid: Generation of diagram a...進度管理：Trello