Categories
2026
Shannon Explained: The Autonomous AI Pentester That Breaks Your App Before Hackers Do
Pi Mono Explained: The Anti-Framework for AI Coding Agents
PentAGI Explained: Auto-Hacking with Multi-Agent AI
OpenClaw: Your Personal AI Assistant Across Every Channel
Hugging Face Skills: The 'Plug-and-Play' Mental Model for AI Agents
2023
SG1 - Singapore - 4 Days 3 Nights 🇸🇬
US7 - 100 Days In America - Los Angeles
US6 - 100 Days In America - Arizona
US5 - 100 Days In America - San Francisco
US4 - 100 Days In America - New Discoveries Amidst Melancholy
US3 - 100 Days In America - The Beginning Of An Epic Journey
US2 - Experiencing The US Visa Interview In Hanoi
US1 - Opportunity And Preparation For The First US Trip
Vector Databases & Embeddings: The 'Semantic Atlas' Mental Model
Task Queues & Message Brokers: Celery, RabbitMQ, and Kafka Untangled
REST vs. GraphQL vs. gRPC: The 'Restaurant Menu' Mental Model
Rate Limiting & Circuit Breaker: The 'Traffic Light & Fuse Box' Mental Model
Prompt Engineering: The 'Director & Actor' Mental Model
Observability: Logs vs. Metrics vs. Tracing — The 'Doctor's Kit' Mental Model
MCP (Model Context Protocol): The 'USB Port for AI' Mental Model
LLM & RAG: The 'Smart Librarian' Mental Model
Fine-tuning vs RAG: The 'Teaching vs. Memorizing' Mental Model
Database Indexing: The 'Library Card Catalog' Mental Model
CI/CD Pipeline: The 'Factory Assembly Line' Mental Model
CDN: The 'Local Convenience Store' Mental Model
Caching & Redis: The 'Sticky Note' Mental Model
AI Agents & Multi-Agent Systems: The 'Company of Robots' Mental Model
I Built a Tool to Migrate 500+ Images to WebP in One Hour
Why Is Production Still Running My Old Code?
Verify vs Cert: The Python Requests Handbook
Stop Bloating Your Database: The S3 Pointer Pattern
TCP vs. UDP: The 'Registered Mail' Mental Model
SQL vs. NoSQL: The 'Library vs. Warehouse' Mental Model
SP7 - Proxy - Learn Design Pattern From Simple Things
Partitioning, Bucketing, Sharding, Replication, Edge: The Clean Mental Model
Monolith vs. Microservices: The 'Mansion vs. Village' Mental Model
Load Balancer, Reverse Proxy, API Gateway: The Grand Hotel Mental Model
Latency vs. Throughput: The 'Water Pipe' Mental Model
Docker vs. Kubernetes: The 'Hotel Manager' Mental Model
Consistent Hashing: The 'Locker Room' Mental Model
Authentication vs. Authorization vs. OAuth: The 'ID Card' Mental Model
API Certificates: The Mastery Guide to Debugging & The Chain of Trust
SP6 - Object Pool - Learn Design Pattern From Simple Things
SP5 - Facade - Learn Design Pattern From Simple Things
SP4 - Mixer - Learn Design Pattern From Simple Things
BP10 - Mediator - Learn Design Pattern From Simple Things
BP9 - File History - Learn Design Pattern From Simple Things
BP8 - Visitor - Learn Design Pattern From Simple Things
BP7 - Template Method - Learn Design Pattern From Simple Things
BP6 - State - Learn Design Pattern From Simple Things
BP5 - Observer - Learn Design Pattern From Simple Things
Bach Ma - From Conquering the Fear to Conquering the Mountain
BP4 - Handling Chain - Learn Design Pattern From Simple Things
BP3 - Command - Learn Design Pattern From Simple Things
SP3 - Tree - Learn Design Pattern From Simple Things
2022
CP5 - Singleton - Learn Design Pattern From Simple Things
CP4 - Prototype - Learn Design Pattern From Simple Things
BP2 - Strategy - Learn Design Pattern From Simple Things
SP2 - Decorator & Function Decorator & Closure - Learn Design Pattern From Simple Things
CP3 - Builder - Design Pattern From Simple Things
BP1 - Gun (Iterator) - Design Pattern From Simple Things
CP2 - Comparison between Factories: Simple Factory & Factory Method & Abstract Factory - Design Pattern From Simple Things
CP1 - Vending Machine (Factory) - Design Pattern From Simple Things
SP1 - Adapter - Learn Design Pattern From Simple Things
FBP1 - Google Foobar Plus - Dodge the Lasers!
FBP0 - Google Foobar Plus - Disorderly Escape
FB5 - Google Foobar - Expanding Nebula | Cellular Automaton
FB4 - Google Foobar - Free the Bunny Workers & Escape Pods
FB3 - Google Foobar - Doomsday Fuel & The Grandest Staircase Of Them All & Fuel Injection Perfection
FB2 - Google Foobar - Gearing Up for Destruction & Don't Get Volunteered
FB1 - Google Foobar - Minion Work Assignments
FB0 - Google Foobar - A Godsend To Kill My Laziness
