Archive
Writing
Longer notes on the systems and tools I am learning through.
Articles
- Spring Security Architecture — JWT-Based Security
A practical breakdown of Spring Security’s JWT authentication flow, including the filter chain, AuthenticationManager, DaoAuthenticationProvider, UserDetails, and SecurityContextHolder.
- Fixing the Missing activity_main.xml File in Android Studio
A short troubleshooting note for resolving the missing activity_main.xml file in Android Studio.
Notes
- Distributed Systems
8 notes · Distributed systems · 2025–2026
- Cloud Architecture
12 notes · Cloud infrastructure · 2025–2026
- Computer Networks
12 notes · Networking fundamentals · 2025
- Operating Systems
12 notes · Systems fundamentals · 2024–2025