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Languages & runtimes · #nodejs
Yarn Workspaces gives you a single lockfile, instant cross-package symlinks, and topological script execution—no Lerna, no Turborepo, no extra config. Here's how to set it up, control hoisting for stubborn tools, and optimize CI with focus installs.
Learn how to paginate efficiently in Knex.js using limit/offset with a separate count query, why deep offsets hurt performance, and how to switch to keyset pagination for large datasets.
Turn on Yarn Plug’n’Play (PnP) to remove <code>node_modules</code> and speed up installs. This guide shows how to enable PnP, verify it works, and avoid common pitfalls like native add‑ons and legacy scripts.
Socket.IO rooms broadcast only within one Node process. Learn when to add the Redis adapter and verify cross-node delivery.
Deploy a Node.js app to Scalingo with a Procfile, bind to PORT, and scale web containers using the CLI.
Mongoose middleware gives a single enforcement point for data integrity across all entry points, but only as a local trust boundary not an authorization layer. Maps hook types to jobs, failure modes, and a verification script.
Set a global Jest timeout with testTimeout and override individual tests using jest.setTimeout(), with verification steps and common pitfalls.
Configure grunt-contrib-watch to rerun Grunt tasks when watched source files change, with install steps, checks, and recovery.
A decision guide for choosing between Prisma interactive transactions and batch operations (createMany, updateMany, deleteMany) based on atomicity scope, isolation needs, throughput, and middleware requirements. Includes a concrete seeding example and validation checklist.
socketio
scalingo
mongoose
jest
grunt
prisma