Dec 24, 2025

Making Algorithm Review More Efficient

A small attempt to make algorithm study more efficient for people who started late

Dec 30, 2025

Algorithm Study Automation + alpha: A RAG-Based Similar Problem Recommendation System

Designing AI-based study automation that goes beyond simple review and helps knowledge stick

Jan 8, 2026

Algorithm RAG Development Process and Model Performance Comparison

Comparing embedding model performance

Jan 13, 2026

Algorithm RAG Development Process and Final Output

Completing the final system with LangChain FAISS

Jan 15, 2026

Algorithm RAG Revision

I removed the unnecessary FAISS dependency and switched to NumPy calculations.

May 8, 2026

New Update: Baekjoon Is Gone...

After Baekjoon disappeared, what direction should this project take?

Oct 28, 2025

Blog Devlog 02

Implementation notes for multilingual i18n support and image path optimization

Nov 15, 2025

Blog Devlog 03

Domain update and a fix for 404 errors when translated posts do not exist

Nov 28, 2025

Blog Devlog 04

CSS fixes

Dec 30, 2025

Blog Devlog 05

View-count feature fixes and future plans

Feb 6, 2026

Blog Devlog 06

Redis view counts and security hardening

Feb 8, 2026

Blog Devlog 08

Listing posts by category, implementing series, and fixing URL errors

Mar 18, 2026

Blog Devlog 09

Improving blog issues: duplicate Redis view counts

Apr 23, 2026

Blog Devlog 10

Improving blog issues: broken navigation between posts

May 25, 2026

Blog Devlog 11

From search to the Library hub: expanding the blog into a static knowledge hub

Oct 27, 2025

DevLog 01

Building an Astro-based blog, dark theme implementation, and layout improvements log

Feb 7, 2026

Blog Devlog 07

Using Local LLM for Blog Post Translation

Apr 24, 2026

Chat System

Notes for implementing a chat system: features and database design

Feb 12, 2026

Local LLM Devlog 01

Local LLM Devlog for Blog post translation

Apr 17, 2026

On-The-Block Service Devlog 02: Flutter

On-The-Block service devlog 02: Flutter

Apr 30, 2026

On-The-Block Service Devlog 03: Admin Page & Chat

On-The-Block service devlog 03: Admin page and chat

Mar 15, 2026

Resume

Structuring my portfolio and resume based on advice from info sessions and mentoring sessions & Setting direction

Nov 5, 2025

Smart Korean Grammar Assistant: VSCode Korean Spell Checker Extension Devlog

A retrospective and technical note on developing a VSCode Korean grammar checker extension with the Bareun AI API

May 9, 2026

ZORO #1 — Can a Single Goal Recreate a Production Frontend?

Stress-testing Codex Goal on high-fidelity frontend reconstruction without external memory or workflow artifacts.

Jan 20, 2026

AI-SW Car Development and Driving Retrospective

The first development and driving retrospective for the AI-SW Car project.

Jun 25, 2025

KOSSDA Student Competition Review: Why Did Korea Become a Convenience Store Republic?

A review of the KOSSDA student competition and the Korean convenience-store phenomenon through data, AI forecasting theory, and dynamical-systems thinking.