Recent posts tagged nodejs

In my last post on DEVhttps://dev.to/paulbrowne/javascript-in-html-out-building-a-simpler-static-site-generator-5ln I explained why I built Sitelo: most websites are documents, and documents shouldn't need a JavaScript application to reach the browse...

What Is the Facade Pattern? The facade pattern is a structural software design pattern that provides an uncomplicated, unified interface in front of a complex collection of classes, libraries, or APIs. Instead of forcing your application code to in...

What is Database Replication? Database replication is the automated process of keeping multiple exact copies of a database synchronized across different server instances. When data is added, updated, or removed in the primary database, those change...

RFC 7807 Problem Details is an official technical specification that defines a standard JSON format for describing errors returned by HTTP web APIs. Instead of having every software engineer create their own custom fields like message, errcode, or re...

A user scrolls through your feed. Page 1 ends with "Post 20". They tap "Next", and page 2 starts with... "Post 20" again. Another user pages through an admin table and never sees order #4817. It exists. It is in the database. It just never showed up...

A customer clicks "Pay now". Nothing happens for three seconds, so they click again. Or their phone loses signal for a moment and the app quietly retries the request. Or your load balancer times out and sends the request again. Your server received ...

Building the MyZubster Metaverse: From Prototype to Secure Realtime Infrastructure The MyZubster Metaverse is evolving from a simple interactive experience into a distributed platform designed around secure identity, realtime communication, reliabili...

A Node.js app is not protected by installing a library that these SafeLine documents never mention. The supplied pages describe a self-hosted web application firewall that filters and monitors HTTP traffic between a web application and the Internet. ...

Protecting a Node.js app with SafeLine starts as a fit decision, not as a search for an in-process library. The product documents describe SafeLine as a self-hosted web application firewall that filters and monitors HTTP traffic between a web applica...

Node.js Brotli RCE CVE-2026-111497: What Happened and How to Patch Node.js · Security · npm On October 21, 2026 the Node.js team released security fixes for the 22.x, 24.x and 26.x lines, covering 10 CVEs. The most serious, CVE-2026-111497, is an ...

Threads is an awkward target. The web app is a React client from Meta, most of the interesting data loads through internal GraphQL calls, and a logged-out visitor sees only a slice of what a logged-in one does. Still, a lot of public data ships insid...

Stop Battling JavaScript Date Bugs: A Complete Guide to the Temporal API The Temporal API is a modern, built-in JavaScript solution designed to overhaul and replace the legacy Date object. It introduces a comprehensive suite of distinct, immutable ...

MyZubster Dev Update: Local AI, GitHub Onboarding & Decentralized Collaboration 🚀 We're building MyZubster, an open-source ecosystem connecting developers, independent projects, services, and communities. Today we made significant progress on Zorg...

What Are Write Concern and Read Concern? In MongoDB, write concern and read concern are configuration settings that specify the level of guarantee you require when saving or retrieving data across a distributed cluster. A write concern determines h...

Stop Hardcoding Secrets: Master Environment Variables and Dotenv in Node.js When building modern web applications, keeping sensitive information secure is just as critical as writing functional code. One of the most fundamental practices every deve...

enter code here const express = require"express"; const app = express; const requests = new Map; const LIMIT = 5; const WINDOW = 60 1000; // 1 minute app.usereq, res, next => { const ip = req.ip; const now = Date.now; let data = request...

What is a Greedy Algorithm? A greedy algorithm is an algorithmic strategy that solves a problem by making the most optimal decision at each individual step. Instead of looking ahead to long-term consequences or evaluating every possible combination...

What Is a Graph Database? A graph database is a specialized storage engine designed to treat relationships between data points with the exact same importance as the data points themselves. Instead of storing information in rigid rows, columns, and ...

Migrating a Node.js project from package managers that use hoisted nodemoduleshttps://raylabs.app/articles/optimizing-node-modules-templates-for-faster-deployments/ structures to strict content-addressable package managers often exposes hidden import...

In software development, caching is the practice of storing frequently used data in a high-speed, temporary storage layer so future requests can be served faster. Caching strategies are the architectural patterns that dictate how your application coo...