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Claude Code: from zero to professional. Tips, tutorials and deep dive guides from an engineer who uses it 12 hours a day.
Stop Claude Code asking for permission (without losing control)
Permission prompts in Claude Code don't go away with one setting. There are five levers (rules, modes, auto mode, the sandbox and bypass inside a container), and this guide puts them in the order that cuts the most prompts for the least risk.
Claude Code first steps: the fundamentals that don't expire
The Claude Code fundamentals that don't expire: install, sessions, context, quota, models, permissions. What you actually need to grasp on day 1.
AI: the joy of missing out on what doesn't matter
You can't keep up with AI, and you shouldn't try. The answer isn't resistance or passive acceptance: go all in, but deep on one thing instead of scattered.
claude --dangerously-skip-permissions: what it skips and where it's safe
--dangerously-skip-permissions turns off Claude Code's permission prompts, but not all of them, not as root and not anywhere. What it skips, how to turn it on, and where it's safe to run.
Claude Code bypass permissions: project settings no longer turn it on
bypassPermissions in a project's .claude/settings.json stopped working in 2.1.257, with no warning: the session starts in Manual and asks before every action. Where it still works, tested.
"Prompt is too long" in Claude Code: when /compact can't fix it
"Prompt is too long" in Claude Code comes in several versions, and some warn you that compacting won't help. What follows the · tells you which one you have.
Claude Code effort level: medium does the same work for a third of xhigh's cost
Anthropic says higher effort pays off when a task hides edge cases. I built three tasks like that and ran Opus 5.5 on them 27 times at medium, high and xhigh: every run passed everything. What changed was the bill.
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