Writings by Jiru Gutema

List of essays, tutorials and notes

Main article: Jiru Gutema.

This is a chronological list of writings I have authored, covering software development, web technologies and programming best practices. The list is ordered by publication date, with the most recent entries first.

Writings by Jiru Gutema
TitlePublishedRead timeExcerptTags
How to Change the Border Radius of Everything in Firefox (Complete Guide)28 Jul 20265UI/UX is personal 🙌Firefox, UI
Understanding Vector Databases in Real Applications: What Actually Happens When AI Search Meets PostgreSQL24 Jun 202610Vector databases sound complex, but the core idea is surprisingly simple: AI models only convert text into numerical vectors (embeddings), while the database handles storage and search. This article breaks down how semantic search actually works in real applications, from generating embeddings asynchronously to using PostgreSQL + pgvector for fast, meaningful results. You'll learn why background processing matters, when to use embeddings (and when not to), and how this architecture powers practical AI features like intelligent CRM search.RAG, AI, Vector, Postgres
Why Vim Motions Changed the Way I Code2 Mar 20263 min readWhy I reach for Neovim most days even with VS Code available and how Vim motions reshaped my coding flow.Vim, Neovim, Vscode, Coding
Powerful Tools I Use for productivity 15 Jan 20262 min readIn this blog post, I'll share details about a few handy tools I occasionally use for device management and connectivityProductivity, Tools