Claude Code: from zero to professional. Tips, tutorials and deep dive guides from an engineer who uses it 12 hours a day.
Explore the hub →What is Claude Code: A Practitioner's Overview
What Claude Code actually is, explained by someone who uses it 12+ hours daily in production. No hype, real examples.
Claude Code vs Cursor: A Practitioner's Comparison
Claude Code vs Cursor compared by a daily user of both. Feature matrix, pricing breakdown, context windows, and which tool fits which workflow.
Evaluator-Optimizer in Claude Code: From Pattern to Skill
How I turned an Agentic AI pattern into a reusable Claude Code skill with evidence-based evaluation.
/diff in Claude Code: inspect what Claude touched on every turn, without leaving the terminal
Popping out to `git diff` to see what Claude touched? There's a native viewer right in the terminal — and its per-turn view doesn't come from git, but from the conversation itself.
Ctrl+R in Claude Code: bring back any prompt you've already written
That "everywhere" in the screenshot isn't magic: it's reverse search over your prompt history. And by default it looks across all your projects, not just this one.
When CLAUDE.md, skills, and MCP collide in Claude Code: which one wins?
You define the same skill, MCP server, or rule in two places. Claude Code doesn't resolve the clash with one rule — it uses three, and the direction isn't always the one you'd guess.
Workflows in Claude Code, shipped with Opus 4.8: hundreds of subagents at once
The same day as Opus 4.8, Claude Code shipped dynamic workflows: Claude writes a script that orchestrates hundreds of subagents for the refactor or audit that never fit in one conversation.
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