1.
🏠 Where am I?
2.
💻 Data Structures and Algorithms
❱
2.1.
Basics
❱
2.1.1.
Into to Programming
2.1.2.
C++ Architecture
2.1.3.
Hello World
2.1.4.
Variables and Data Types
2.1.5.
Pointers
2.2.
OOPs
❱
2.2.1.
Classes and Objects
2.2.2.
Access Modifiers
2.2.3.
Constructors
2.3.
STL
❱
2.3.1.
Vectors
2.3.2.
Hash Maps
3.
↘️ Git and Github
❱
3.1.
Basics
3.2.
Navigating
3.3.
Stashing
3.4.
Branching
3.5.
Merging
3.6.
Github
4.
📗 Vim
5.
💉 SQL
❱
5.1.
Basics of MySQL
5.2.
Altering Tables
5.3.
Writing Queries
5.4.
Constraints
5.5.
Advanced Queries
5.6.
Aggregate Functions
5.7.
Grouping Data
5.8.
Sub Queries
5.9.
Joins
5.10.
Strings, Date and Time
5.11.
Case Statements
5.12.
Views
5.13.
Pivoting Data
5.14.
Variables
6.
🐳 Docker
❱
6.1.
What are containers
6.2.
Docker Basics
6.3.
Ports and Volumes
6.4.
Docker Compose
6.5.
Creating Docker Images
7.
🦀 Rust
❱
7.1.
Basics
❱
7.1.1.
Hello Rust
7.1.2.
Common Concepts 1
7.1.3.
Common Concepts 2
7.1.4.
Control Flow
7.2.
Ownership
❱
7.2.1.
Different Memories
7.2.2.
What is Ownership
7.2.3.
Ownership in Functions
7.2.4.
Passing values by Reference
7.2.5.
Slices
7.3.
Structs
❱
7.3.1.
Defining Structs
7.3.2.
Printing with Derived Traits
7.3.3.
Methods in Structs
7.4.
Enums
❱
7.4.1.
Defining Enums
7.4.2.
Option Enum
7.4.3.
match Statement
7.5.
Common Collections
❱
7.5.1.
Vectors
7.5.2.
Strings
7.5.3.
Hash Maps
7.6.
Error Handling
❱
7.6.1.
panic!
7.6.2.
Result
RKade
Light
Rust
Coal
Navy
Ayu
🧠 Mind Map
Grouping Data
COUNT(cusid) AS Total_Customer FROM customers GROUP BY region;
Nulls are grouped together.
Will give multiple columns.