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๐ง Computer Science Fundamentals
Programming paradigms
OOP
๐งช Databases
ACID, BASE, CAP
SQL
๐ป Software Design
Design patterns
Creational patterns
Structural patterns
Behavioral patterns
Refactoring code
SOLID Principle
Git workflows
๐๏ธ System Design
Distributed systems
Microservices
Event-driven architecture
API Design (RPC & REST)
๐ Data Engineering
Data modeling
Data pipelines
Batch vs Streaming
Data marts
๐ DevOps & CI_CD
CI_CD pipelines
โ๏ธ Cloud Certifications
GCP PDE (2023)
SnowPro Core (2025)
๐ต๏ธ OSINT
Introduction
Sock Puppets
Search Engine OSINT
Image OSINT
Email OSINT
Password OSINT
Username OSINT
SOCMINT
HUMINT Fundamentals
Scraping Fundamentals
API
Fact-checking
Threat profiling
Tools
๐ Deep web
Overview
Technical Foundations: Tor & PGP
Installation Guides: OS Setup
Practical Usage: Browsing & Communication
Advanced Topics: Markets & Analysis
๐ Data Visualization
Data Visualization Fundamentals
Dashboard Creation and Data Analysis
Advanced Data Analysis and Calculations
Programming Languages for Data Visualization
On this page
Refactoring Code
Refactoring Guru