jingxiang-z/CSKnowledgeHub

An open-source hub for sharing fundamental computer science knowledge.

Computer Science Knowledge Hub

Welcome to CSKnowledgeHub, your go-to open-source repository for sharing computer science knowledge and preparing for interviews. Our mission is to provide a dedicated space for aspiring software engineers, helping them navigate the path from being a student to becoming a successful engineer in U.S. tech companies.

Within our repository, you will find a diverse range of content, including:

1. Computer Science Fundamentals: Access comprehensive course content covering the essential basics of computer science.
2. Interview Preparation for System Design: Sharpen your skills and knowledge to excel in system design interviews, a critical aspect of tech job interviews.
3. Work-Related Computer Science and Frameworks: Explore resources related to real-world applications of computer science concepts and various frameworks commonly used in industry settings.
4. Study Resources: Discover a curated collection of study materials to support your journey in becoming a proficient software engineer.

About me

I transitioned from a bachelor's degree in Environmental Engineering at Tsinghua University to a career in software engineering. I hold master's degrees in Data Science from Columbia University and Computer Science from Georgia Tech. This unique academic journey has given me valuable insights into becoming a software engineer, particularly from a non-computer science background. I excel at finding and utilizing resources effectively for continuous learning in this field.

• Connect With Me: Connect with me on Linkedin to stay updated on my professional journey, share insights, or collaborate on interesting projects.

• Follow me: Follow me on Zhihu to learn about why and how I make a switch to Software Engineer career.

• Sponsor Me: Did you find this repository useful? If so, consider sponsoring to buy me a beer as a token of appreciation. Your support goes a long way in helping me continue my work and provide valuable resources to the community.

• Consult Me: Schedule a 30-minute phone call and follow up services with 50 RMB. I specialize in consultation services in the following areas:

  • School Admission: Planning to pursue higher education? I can guide you through the admissions process, helping you choose the right school and navigate the application journey.
  • Software Engineer Career: Looking to transition into a software engineering career? I offer tailored suggestions and insights to help you succeed in your career switch.
  • U.S. Life Preparation: Preparing for life in the United States? I can provide valuable advice and tips to ensure a smooth transition and a successful stay in the U.S.

Catalog

Basic Knowledge

• Data Structures & Algorithms
  • Sorting and Searching
  • Tree
  • Graph
  • Backtrack
  • Dynamic Programming
  • Design
• Operating System
  • Introduction
  • Process Management
  • Thread Management
  • Memory Management
  • Device Management
• Database
  • Introduction
  • SQL
  • Data Model
  • Database Design
• Computer Network
  • Introduction
  • Application Layer
  • Transport Layer
  • Network Layer
  • Link Layer
• Machine Learning
  • Machine Learning
  • Deep Learning
  • Computer Vision
  • Natural Language Processing
  • Recommender System
  • Reinforcement Learning
  • MLOps
• Statistics
  • Probabilities and Statistics
  • Statistical Inference
  • Statistical Modelling

Frameworks

• Web Development
  • React
  • Flask
• DevOps
  • Git
  • Docker
  • Kubernetes
• AWS
  • IAM
  • VPC
  • Lambda

System Desing

• Web Application

Studying Resources

• Alex Xu's System Design
• Grokking System Design
• labuladong's Algorithm Preparation
• CS DIY Learning

Roadmap

(September 2025) Since most AI tools (ChatGPT, NotebookLM, etc.) handle note summarization well, we will no longer update this repository. It will be archived as read-only.