CoreMesh

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Everything on CoreMesh, grouped by what you're trying to fix.

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Cheat sheetsOct 14, 2026 · 8 min

Python JSON Examples: dumps, loads, Custom Types, Errors

Runnable Python json examples: dumps vs dump, loads vs load, pretty printing, datetime and custom types, plus the errors you'll actually hit.

Web & SEOOct 14, 2026 · 7 min

Using CSS scroll driven animations with scroll() and view()

How CSS scroll driven animations work: scroll() and view() timelines, a progress bar, a reveal effect, named timelines, and a safe fallback pattern.

Claude CodeOct 14, 2026 · 8 min

Claude Code slash commands, custom commands, and how skills fit in

Which Claude Code slash commands are worth learning, how custom commands relate to skills, and why a command can fail to show up or run.

UI & UXOct 14, 2026 · 9 min

How design tokens work, from a JSON file to CSS variables

Design tokens explained with a real JSON example: naming, aliases, a dark theme, and a Node script that turns a token file into CSS variables.

Cheat sheetsOct 14, 2026 · 7 min

Runnable SQLite Python examples using the sqlite3 module

Copy-paste sqlite3 examples for Python: create tables, insert rows, bind parameters safely, commit transactions, and read results back.

Claude CodeOct 14, 2026 · 9 min

Claude Code Hooks: Events, Input JSON, Exit Codes, Examples

How Claude Code hooks work: where to configure them, the JSON they receive, exit code 2 vs 0, matchers, working examples, and why a hook may not be running.

Claude CodeOct 14, 2026 · 8 min

Where the CLAUDE.md file lives and what to put in it

Where Claude Code looks for a CLAUDE.md file, what belongs in it, how imports and scopes work, and copy-paste examples for real projects.

UI & UXOct 14, 2026 · 9 min

Color Contrast Accessibility Checker: WCAG Ratios and a Script

What WCAG AA and AAA require for color contrast, how the ratio is computed, and a runnable Node.js checker you can point at your own palette.

Cheat sheetsOct 14, 2026 · 8 min

Python Regex Examples: match, search, groups and sub

Python regex examples you can run: match vs search, groups, named groups, findall, sub with a function, flags, escaping, plus the gotchas that cause bugs.

Claude CodeOct 14, 2026 · 7 min

Using claude setup-token on a server without leaking it

How to run claude setup-token, store the long-lived token in a systemd EnvironmentFile, keep it out of argv and logs, and stop API key billing.

Claude CodeOct 14, 2026 · 6 min

Claude Code headless: running claude -p in a production worker

How to run Claude Code headless with claude -p on a small VPS: OAuth token auth, systemd env, tool permissions, review runs, and real wall-clock times.

Claude CodeOct 14, 2026 · 8 min

Claude Code usage limit reset: parking unattended jobs

What a Claude Max usage limit does to an unattended Claude Code worker, how the reset works, and how to park jobs as QUOTA_WAIT and resume them.

Claude CodeOct 14, 2026 · 7 min

Claude Code output-format json: log tokens, cost and turns

How to use claude code --output-format json to capture tokens, cache reads, cost and turns per call, store them in SQLite, and handle usage limits.

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