• index

Data Structure & Algorithms

• Radix sort
  • Radix sort (string)
• Counting sort
• Suffix array
• Topological sorting - Kahn’s algorithm
  • Topological sorting - recursive approach
• Disjoint Set Union
  • Applications to Codeforces problems
• Memoization / Tabulation (20240530)

Network

• Why is Authorization Header Used for Authentication? (Authentication vs Authorization)
• PGP and PEP 761 - Deprecating PGP signatures for CPython artifacts
• Mastodon streaming API: persistent HTTP connetions and WebSocket
• HTTP-01 challenge and certbot
• Representational State Transfer (REST) / Roy Fielding’s dissertation
• MIME types (20240716)
• DNS server types (20240623)
• SSH and Git hosting services (20240622)
• AWK / Network File System (NFS) / DNS propagation (20240617)
• Amazon EFS (Elastic File System) / traceroute (20240612)
• ping, ICMP (Internet Control Message Protocol) (20240611)
• 410 Gone (20240609)
• The Internet Engineering Task Force (IETF) (20240529)
• How port numbers assigned (22, 80, 443) / GitHub Actions actions/cache (20240528)
• NAS (20240525)
• Enabling HTTP/2, Git Aliases (20240523)
• HTTP/2 vs HTTP/1.1 (20240522)
• TLS certificate providers (20240514)
• DOM (20240513)
• WebRTC (20240503)

Infrastructures

• Logs in Docker
• Jenkins and GitHub Actions
• Should microservices share a cache and message queue?
• Amazon S3 Miscellaneous
• AWS Lambda (20240626)
• Cloudflare Flexible SSL/TLS encryption models / Frontend Deployment (20240527)
• The default path for a Docker Compose file, Kompose to convert Docker Compose to Kubernetes (20240524)
• Docker Image: slim/alpine/bookworm (20240521)
• Apache (20240501)

Machine-learning / LLM

• Amazon Bedrock
• The history of YOLO (You Only Look Once) and improvements in YOLO11
• ChromaDB and SQLite
• Embeddings in LLM
• Tokens in LLM
• Running Chroma
• torch.no_grad()
• RAG (20240516)

Services

• Check how fast uv is
• Is uv supported by Dependabot? - No (as of Nov 2 2024)
• Upgrading AWS Lightsail instance
• Amazon S3 and GitHub Actions
• GitHub Actions to perform operations only for changes
• dependabot and poetry
• GitHub Issue & PR templates
• Ingress
• LlamaParse / Apache Airflow
• Some of Netlify features (20240610)
• Billing of DataDog and GitHub Actions / Google Testing Blog (20240604)
• Custom domain configuration for GitHub pages (20240502)

Programming Languages

• issubclass(bool, int) is True - Python
• Decorator - Python
• Rye - Python (20240718)
• gc - Garbage Collector Interface - Python (20240717)
• Wheel (Python) (20240714)
• global installation in npm (20240506)
• Duck typing (20240505)
• Responsibility of Node.js (20240504)
• == vs === in JavaScript (20240425)

Design Principles

• Simple Factory Pattern and Strategy + Factory combo
• Strategy Pattern
• Porposes of assert
• Repository Design Pattern
• Separations of Concerns in Software Design | Loose Coupling and High Cohesion

OSS

• Proprietary Software Definition
• OSS License: MIT / AGPL
• Peeking Under the Hood of PyMuPDF - flags

News

• Conguratulations: Tourist has reached a rating of 4000! by MikeMirzayanov
• Tim Peters has been suspended from Python Software Foundation

Git

• Counting insertions/deletions in a Git repository
• git checkout --theirs .
• Forking v.s. Branching (only have link to StackOverFlow)

Others

• Django REST framework - built-in pagination
• Unix time
• Checking NGINX status
• INI file
• Understanding Mastodon System Components
• Blog: Spam Attacks on Fediverse
• Implemented a simple RAG system
• Troubleshooting: docker stats of my Mastodon instance
• STRIDE
• async and await (haven't researched in details) / Cyclomatic Complexity
• Red Green Refactor
• Mob Programming / Pair Programming

Life

• ゆうきゆう - 瞬時にやる気を燃やす31の心理学技術
• ゆうきゆう - やりたいことを次々と実現する人の心理術
• ゆうきゆう - 人生を好転させるシンプルな習慣術