Guides & How-tos · Worked examples · Real numbers

Developer Tools guides

Step-by-step how-tos, head-to-head comparisons and honest roundups — every guide worked through with current figures, then backed by a RECATOOLS calculator or AI-directory entry so you can act on it.

185 guides published 15 topic areas Latest guide Aug 2026

Tagged AI · 2 guides

All 185 AI & ML 47 Finance 27 Cybersecurity 24 Developer Tools 20 Science 10 Chinese Culture 9

A product photography studio: a camera on an overhead boom pointing down at a small table, lit by a large softbox, in front of a plain green backdrop wall.

Developer Tools 10 min

How to Remove the Background from an Image

There are two methods and almost every article pretends there is one. A flood fill removes what matches the background a...

Kenji Tanaka

Pub. 9 Aug

Code on a dark screen — OpenCode is a coding agent that lives in your terminal

Developer Tools 9 min

How to Set Up OpenCode on a Mac (2026)

Executed walkthrough of OpenCode v1.18.1 on macOS: Homebrew install, provider auth, free local Ollama option, first run...

Kenji Tanaka

Pub. 15 Jul