Jiho's Hello WorldLearning notes distilled from an Obsidian dev loghttps://jihobp.github.io/en-usVS Code 1.138 Agent Sessions and a Dev Container Hands-Onhttps://jihobp.github.io/blog/en/posts/2026-09-17-vscode-1-138-agent-sessions/https://jihobp.github.io/blog/en/posts/2026-09-17-vscode-1-138-agent-sessions/The VS Code 1.138 release notes don't mention the editor once. I flipped ten settings to try the Agents window's Dev Container sessions, Codex subscription switching and session cleanup, and drew a picture of why VS Code built an 'agent office' at all.Thu, 17 Sep 2026 00:00:00 GMTTIRtirtilvscodeagentcodexcopilotdevcontainerclaude-codeDesigning Without Figma? UI/UX Design Systems and AI Workflows in 2026https://jihobp.github.io/blog/en/posts/2026-09-15-uiux-ai-design-workflow/https://jihobp.github.io/blog/en/posts/2026-09-15-uiux-ai-design-workflow/Ditching Figma for paper sketches + AI, building a Single Source of Truth (SSOT), and accelerating competitor research with document analysis.Tue, 15 Sep 2026 00:00:00 GMTTIRtirui-uxdesign-systemai-workflowclaude-codefigmaRunning NVIDIA's Free LLMs Inside VSCodehttps://jihobp.github.io/blog/en/posts/2026-09-07-nvidia-nim-review/https://jihobp.github.io/blog/en/posts/2026-09-07-nvidia-nim-review/Wiring a no-credit-card NVIDIA NIM key into VSCode Cline to get a coding agent, including the part where Codex refused to cooperate.Mon, 07 Sep 2026 00:00:00 GMTAI-Productivitytiltirnvidia-nimclinevscodeai-workflowBefore You Delegate to an Agent, Build the Table It Works Onhttps://jihobp.github.io/blog/en/posts/2026-09-03-ai-native-dev-setup/https://jihobp.github.io/blog/en/posts/2026-09-03-ai-native-dev-setup/The better coding agents get, the more the human job shifts from typing to setting the table. Four articles in one day on building an AI-native dev environment.Thu, 03 Sep 2026 00:00:00 GMTTIRtircodexclaude-codeobsidianai-workflowagents-mdWhy 'Make it Pretty' Fails with AI Design — From Vibe Coding to Toss Design Systemhttps://jihobp.github.io/blog/en/posts/2026-09-01-uiux-article-summary/https://jihobp.github.io/blog/en/posts/2026-09-01-uiux-article-summary/Why AI-generated UIs look generic, solutions via prompt guidelines, Toss Consumer UX rules, and Design System (TDS) insights.Tue, 01 Sep 2026 00:00:00 GMTTIRtirui-uxvibe-codingdesign-systemtossprompt-engineeringWhat Is a Vector DB — Explained by a Non-Math Developerhttps://jihobp.github.io/blog/en/posts/2026-08-18-vector-db-basics/https://jihobp.github.io/blog/en/posts/2026-08-18-vector-db-basics/A developer without a math background walks through why vector DBs exist and what they actually do, in 8 steps.Tue, 18 Aug 2026 00:00:00 GMTAIvector-dbragembeddingchromadbC# Arrays vs. List — Why You Need .ToList()https://jihobp.github.io/blog/en/posts/2026-04-14-csharp-array-to-list/https://jihobp.github.io/blog/en/posts/2026-04-14-csharp-array-to-list/A short note on the moment string[] and List<string> stopped being interchangeable in my head.Tue, 14 Apr 2026 00:00:00 GMTCSharpcsharplinq