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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 Code @ file mentions eat tokens: send the path, not the file
Every @ in Claude Code attaches the whole file before Claude starts. CLAUDE_CODE_DISABLE_FILE_MENTIONS turns it into a path Claude reads with its own tools, and only as much as the question needs.
Resume this conversation? in Claude Code: when an old session eats your 5-hour limit
Since v2.1.304, resuming a cold conversation on Pro or Max shows the share of your 5-hour limit it will cost. Where the number comes from, why Max users rarely see it, and what the new conversation keeps of the old one.
Suggested tasks in Claude Code Desktop: Start opens a nested session in the same folder
Suggested task cards appear when Claude spots work outside your current task. Start runs it in a nested session, by default in the same folder as this one; Do it here keeps it in this session; Options sets worktree, model and permissions first.
/storage in Claude Desktop: where 14 GB go and what you can delete
Claude Desktop was holding 14 GB on my Mac and nothing said so. The /storage panel splits them into four blocks, lets you remove two, and makes clear that the biggest one, the runtime, stays.
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