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Languages & runtimes · #nodejs
How to choose between Node-RED's memory, file, and Redis context stores, with a settings.js example and restart persistence test.
When updating related tables in a Node.js app, partial writes can corrupt your data. Learn how Sequelize’s transaction API wraps multiple queries into a single atomic unit, complete with a worked example, trade‑offs, and actionable steps.
Glitch Live Reload refreshes your browser on save. Learn how to ignore files and remove the snippet before production.
Learn how to implement secure username and password authentication using Passport.js LocalStrategy, including session management and password hashing integration.
Learn how to use Sequelize’s managed and unmanaged transactions for atomic multi‑row writes. Follow a step‑by‑step guide, verify isolation levels, handle nested transactions, and avoid common pitfalls like missing transaction options or connection leaks.
Stop debugging environment mismatches. Learn how to use VS Code Dev Containers to define your entire toolchain in a devcontainer.json file for guaranteed parity across all machines.
KrakenJS’s JSON‑based config system lets you merge base and environment files, inject secrets via ${ENV_VAR}, and make settings available through app.kraken. Learn how to set up, verify, and avoid common pitfalls in a practical example.
Yarn Plug’n’Play (PnP) replaces node_modules with a virtual file system, speeding installs and eliminating duplicates. This guide shows how to enable strict PnP, explains the underlying mechanism, highlights limitations, and offers practical verification steps.
Use Pug extends and block to inherit a shared HTML layout and override only the parts that change.
nodered
sequelize
glitch
docker
express
krakenjs
yarn
pug