Practical guides
for people who
build.
Hands-on guides, honest tool comparisons, and free developer utilities. Every claim is backed by a source or a real test, and the limitations are written down.
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Signal
Guides backed by sources or a real test/
Tools are scouted before they are recommended/
Every guide names what to do differently/
Limitations are written down, not hidden/
Comparisons are hands-on where it matters/
Free utilities you can use in the browser/
Guides backed by sources or a real test/
Tools are scouted before they are recommended/
Every guide names what to do differently/
Limitations are written down, not hidden/
Comparisons are hands-on where it matters/
Free utilities you can use in the browser/
LANE · 01
Read the guides
Technical guides backed by sources, real tests, or explicit limitations.
42 articles
LANE · 02
Use the tools
Free browser utilities for everyday developer tasks.
20 tools
LANE · 03
Compare options
Hands-on tool and stack comparisons to help you choose.
comparisons
AI Consumer Research: Validation Priorities, Not Market Truth
A practical framework for using AI-assisted consumer research responsibly: synthetic panels, Semantic Similarity Rating, and human validation priorities.
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Can an AI Agent Finish Orders When a Tool Fails?
We gave an AI agent an order-processing job, broke its storage mid-task on purpose, and recorded what happened. 8 runs, all on the record.
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Terminal AI Coding Agents Compared: 2026 Source Guide
Source-verified guide to Claude Code, Codex CLI, Gemini CLI, and Aider for terminal-based AI coding workflows in June 2026.
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LLM Cost Calculator — API vs Self-Hosting Break-Even
Free calculator: compare the monthly cost of an LLM API against self-hosting on your own GPU, and find the token volume where self-hosting starts to win.
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LLM VRAM Calculator — GPU Memory for Inference, LoRA, QLoRA & Fine-Tuning
Free calculator: estimate the GPU VRAM needed to run or fine-tune any LLM. Choose model size, precision, and mode (inference, LoRA, QLoRA, full fine-tune).
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HTTP Status Code Reference — Complete Explorer & Quick Lookup
Instantly look up any HTTP status code. Search by number or name, filter by category (1xx–5xx), and get detailed descriptions, use cases, and developer notes. 100% client-side.
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