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C

Printf()
Comment in C
Variable in C

ESP32

Arduino
- Setup Environment for Arduino Development
C for arduino
- Table of contents - C for Arduino
  Comment in c
  Variable in C
  Conditional Statement syntax in C
  Array in C
  Function

PCB

PCB Drawing
Resistor
LED and Diode
Bipolar Junction Transistor (BJT)

Python

Language
- Introduction to Python
  Print()
  Literal (字面量)
  Comments
  Variable
  Data Type
  Type()
  Data type conversion
  Python Identifiers
  Operator
  String (str)
  Input()
  Boolean (bool)
  Comparison operator
  If Statement (if)
  If - Else Statement (if-else)
  If - Else-if - Else Statement (if-elif-else)
  Nested If Statement
  Nested If Instance
  While loop (while)
  Nested While
  For loop (for)
  Range()
  Nested For loop
  Break & Continue (break, continue)
  Function
  Data Collction - List 列表 (list) []
  List usage Instance
  Iterating over a list
  Data Collction - Tuple 元组 (tuple) ()
  Data collection - str()
  Sequence 序列
  Set 集合 {}
  Dictionary 字典 (dict) {K: V}
  Data Container Conclusion
  Lambda function (lambda)
  Document Operation in Python (Read)
  Document Operation in Python (Write)
  Document Operation in Python (Appending)
  Exception (Error)
  Module in Python
  Python Package
  Third Party Package
  Introduce to class
  Usage of the class
  Encapsulation 封装 of class in Python
  Inheritance 继承 of a class in Python
  Polymorphism 多态 of a class in Python
  Type annotations / hints in python 类型注解
Pandas
- Python Pandas
  Series of (List Data) in Pandas
  Series of (Dict Data) in Pandas

SQL

Introduce to Database
Connect to MySQL Database
SQL
Comment in MySQL
DDL - MySQL (DATABASE)
DDL - MySQL (TABLE)
DDL - Data Types in MySQL
DDL - MySQL (Modify Structure)
DDL - MySQL Conclusion
DML - MySQL (INSERT)
DML - MySQL (UPDATE)
DML - MySQL (DELETE)
DML - MySQL Conclusion
DQL - MySQL

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Comment in C

Usage

/* aaa  */ // multiple line comment

// aaa // single line commnet

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