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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.
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 Agent View: managing parallel agents without leaving the terminal
I spent months managing many Claude Code agents by hand. Agent View now does it: my terminal-native workflow with Warp and Neovim, and the gaps I patch.
Claude Code plan mode: your plan is already a .md file, and one setting puts it in your repo
Every plan you approve in plan mode is already a .md file, and Claude rereads it after compaction. The catch is where it lands: ~/.claude/plans, under a random name, mixed in with every other project's.
Claude Code worktree: review any PR by letting Claude run it on its own
`claude --worktree "#1234"` fetches that PR into its own folder and Claude puts it through its paces: installs, runs the tests, reports back. Your branch stays open in the other terminal, uncommitted changes included.
Sonnet 5.5 vs Opus 5.5 in Claude Code: the same work at half the cost, and faster
Anthropic says Sonnet 5.5 costs up to 30% less than Sonnet 5. I tested it over 48 runs in Claude Code, against Sonnet 5 and against Opus 5.5, your default: it passed everything for under half of what Opus 5.5 cost. Plus when Opus is still worth it.
You've hit your session limit in Claude Code: how to make it continue on its own when the limit resets
When Claude Code stops you with You've hit your session limit, it no longer sits idle until you're back: it waits for the limit to reset and picks the task up on its own. How to turn it on in the terminal and in Desktop, and when it won't.
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