CRUD convenience is a sensible priority for many applications. A trading system changes the order of concerns. Balances must not become negative. Funds must not be spent twice. An order must not p...

BullMQ stores its queues in Redis. That makes Redis persistence an important part of running BullMQ in production, but it also creates a tempting oversimplification: Enable AOF and the jobs are...

ES modules and CommonJS are often introduced as two sets of syntax: // ESM import { readFile } from "node:fs/promises"; export function load() {} // CommonJS const { readFile } = require("node:fs...

This TypeScript expression looks as if it creates a read-only array: type MarketStatus = "open" | "paused" | "closed" | "resolved"; type Market = { id: string; status: MarketStatus; }; const...

tRPC is often introduced with an impressive promise: end-to-end type-safe APIs. That phrase sounds useful, but it can also sound as if tRPC is undoing years of advice about separating the frontend ...

Brighton is a seaside town on the south coast of England. In summer, Londoners take the train down. There are amusement arcades, candyfloss, deckchairs on the shingle. And there is a particular swe...

CSS Variables aren’t just for storing colors and spacing values. They can create smooth, performant interactions by letting JavaScript update values while CSS handles the rendering. Example 1: Scr...

Frontend technologies continue to evolve rapidly, and CSS is no exception. Over the past few years, CSS has been working hard to eliminate the need for preprocessors and become more developer-frien...

Mobile Wallet Adapter (MWA) is a communication protocol that enables secure interactions between decentralized applications (dApps) and wallet applications on mobile devices. It serves as the bridg...

As a senior, I often reflect on my college journey and the regrets I have—like not joining the Electrical Engineering Club earlier and hesitating about Information Security. This motivated me to jo...