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Practical code notes, tools, and guided learning for developers.

Practical guides, developer tools, and tutorials for modern web developers, with the same focused tone across writing, utilities, and learning tracks.

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Articles, utilities, and guided learning tracks shaped like a developer workspace: deliberate, practical, and fast to scan in both dark and light mode.

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tone: "practical",

stack: ["articles", "tools", "tutorials"],

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AI code review in 2026 - a workflow that survives the PR flood

Developer Tools

AI code review in 2026 - a workflow that survives the PR flood

AI is generating more pull requests than humans can review. The fix isn't picking the best AI code review tool — it's combining the right ones.

Apr 27, 202611 min read
02

AI Agents

Gemini CLI Subagents vs Claude Code: How They Actually Work

Gemini CLI shipped subagents in April 2026. Here is an architectural comparison with Claude Code covering orchestration, context capacity, and permission controls.

Apr 27, 202603

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Color Contrast Checker

Check WCAG contrast ratio between two colors.

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Keyboard Navigation Test

Test accessibility using keyboard-only input.

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Mastery Series

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34 lessons

Git Mastery

Master Git fundamentals, collaboration flows, and practical troubleshooting paths.

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17 lessons

Complete React Tutorial

Learn React from first principles through hooks, components, state, and routing lessons.

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Tailwind CSS

Tailwind CSS v4 Migration - The Breaking Changes Nobody Warned You About

A practical walkthrough of what actually breaks when you upgrade to Tailwind CSS v4, from the silent border-color default to the renamed shadow scale.

Apr 25, 2026
04

Developer Tools

Claude Code's Monitor Tool Turns Your Agent Into an Event-Driven System

Claude Code's Monitor tool streams background process output directly into the agent session, replacing polling loops with event-driven reactions that cost nothing during idle periods.

Apr 25, 2026
05

AI Agents

MCP Servers: The Missing Layer in Every AI Agent Stack

A practical guide to how MCP servers work, how to build one in Python, and when to use the protocol to connect AI agents to real developer tools.

Apr 25, 2026
Accessibility

Image Accessibility Checker

Verify if images have proper alt text.

Analyzer

Free Online Text Comparison Tool

Online Text Diff Checker – Compare Text, JSON, CSS Side-by-Side

Analyzer

Readability Checker

Measure the readability of your text.

Code Converter

CSV to XML

Convert CSV rows into XML format.