Python basics
Start coding, then files and pathlib.
Personal cheat-sheet library
Code Reference
852 notes across 24 topics — syntax tables, examples, glossaries, and vs-comparisons. Installable PWA with search, bookmarks, and HTTP/MCP gateway.
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Library pulse
- 852 pages · 24 topics
- Glossaries: 23/24
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Featured paths
JavaScript core
Language essentials and Array/String methods.
Next.js App Router
Modern Next from zero to routes.
Node APIs
Express vs Fastify and HTTP basics.
Data & ops
SQL, Postgres ops, Redis, Docker.
Topics
Browse allPython
Language core, stdlib, tooling, examples
102 notes · glossary
JavaScript
Language, async, modules, DOM
119 notes · glossary
TypeScript
Types, generics, tooling
47 notes · glossary
React
Components, hooks, patterns
53 notes · glossary
React Native
Mobile UI, APIs, Expo
75 notes · glossary
Next.js
App Router, RSC, deployment
14 notes · glossary
Node.js
Express, Fastify, HTTP servers
12 notes · glossary
Zod
Schema validation & TypeScript inference
11 notes · glossary
Tailwind
Utility-first CSS
12 notes · glossary
CSS
Layout, cascade, modern CSS
57 notes · glossary
HTML
Semantic markup, media, a11y
43 notes · glossary
Django
ORM, views, auth, DRF
40 notes · glossary
Docker
Images, Compose, containers
11 notes · glossary
Redis
Cache, data structures, pub/sub
11 notes · glossary
Postgres
Ops, indexes, backups, EXPLAIN
13 notes · glossary
SQL
Queries, schema, advanced SQL
36 notes · glossary
Playwright
E2E browser testing
23 notes · glossary
Pytest
Python testing framework
21 notes · glossary
Jest
JavaScript testing framework
21 notes · glossary
Bash
Shell scripting essentials
29 notes · glossary
PowerShell
Windows shell & automation
29 notes · glossary
GitHub Actions
CI/CD workflows
23 notes · glossary
Git
Everyday Git, recovery, GitHub CLI
40 notes · glossary
Comparisons
A vs B trade-offs
9 notes
Highlights
Getting Started with Bashbash / getting-startedGlossarybash / glossaryExpress vs Fastifycomparisons / express-vs-fastifyfetch vs axioscomparisons / fetch-vs-axiosComparisonscomparisonsPages Router vs App Routercomparisons / pages-vs-app-routerpathlib vs os.pathcomparisons / pathlib-vs-ospytest vs unittestcomparisons / pytest-vs-unittestRedis vs Postgrescomparisons / redis-vs-postgres