JavaScript Resources

The Invisible Risk in Your Middleware: A Next.js Flaw You Shouldn’t Ignore

A flaw in Next.js rewrites can silently bypass middleware, exposing protected routes—update, audit logic, and don’t rely on middleware alone.

July 16, 2025

by $$anonymous$$

· 4,423 Views · 3 Likes

Testing Distributed Microservices Using XState

Learn how to use XState to model microservice workflows. Simplify testing, boost coverage, and debug visually using declarative state machines.

July 14, 2025

by Akash Verma

· 2,701 Views · 1 Like

MongoDB Change Streams and Go

Change streams allow you to subscribe to real-time updates in your MongoDB collections and databases. Learn how to work with change streams and Go.

July 11, 2025

by Ado Kukic

· 2,739 Views · 1 Like

Why Tailwind CSS Can Be Used Instead of Bootstrap CSS

Compare Tailwind CSS and Bootstrap for UI development. Learn setup methods, pros, and integration tips for React, Next.js, and more.

July 10, 2025

by Nagappan Subramanian

CORE

· 3,270 Views

Advanced gRPC in Microservices: Hard-Won Insights and Best Practices

Use streaming wisely. It is great for real-time or chunked data, but avoid long-lived streams unless necessary. Watch for ordering and backpressure issues.

July 3, 2025

by Ravi Teja Thutari

CORE

· 6,497 Views · 5 Likes

Squid Game: The Clean Code Trials — A Java Developer's Survival Story

Learn about clean coding techniques to refactor rigid Java methods, embrace patterns like Strategy, avoid anti-patterns, and craft future-proof software.

July 1, 2025

by Shaamik Mitraa

· 5,824 Views · 6 Likes

CORS Misconfigurations: The Simple API Header That Took Down Our Frontend

CORS misconfig in a Node.js backend broke an Angular frontend; this article explains the cause, fix, and how to avoid it.

June 30, 2025

by Bhanu Sekhar Guttikonda

CORE

· 5,402 Views · 2 Likes

A Beginner’s Guide to Playwright: End-to-End Testing Made Easy

Learn Playwright for reliable, cross-browser E2E testing. Modern, fast, and developer-friendly with TypeScript support, smart selectors, and parallel runs.

June 27, 2025

by Rama Mallika Kadali

· 3,677 Views · 3 Likes

How to Monitor and Optimize Node.js Performance

Optimize Node.js apps with tools and techniques for better performance, learn monitoring, reduce memory leaks, and improve scalability and responsiveness easily.

June 26, 2025

by Anubhav D

· 2,158 Views · 2 Likes

Building an AI-Powered Text Analysis App With React: A Step-by-Step Guide

Build an AI-powered text analysis app using React, Vite, and OpenAI GPT-3.5, featuring sentiment analysis, topic extraction, summarization, and language detection.

June 25, 2025

by Raju Dandigam

· 19,709 Views · 1 Like

Beyond Java Streams: Exploring Alternative Functional Programming Approaches in Java

Java Streams are great, but libraries like Vavr, Reactor, and RxJava unlock deeper functional power, async flow, pattern matching, trampolines, and cleaner composition.

June 12, 2025

by Rama Krishna Prasad Bodapati

· 5,098 Views · 5 Likes

Converting List to String in Terraform

Use join(), format(), and jsonencode() in Terraform to name resources, format scripts/logs, and ensure clarity in dynamic configurations.

June 11, 2025

by Mariusz Michalowski

· 3,386 Views · 1 Like

How Node.js Works Behind the Scenes (HTTP, Libuv, and Event Emitters)

Discover how Node.js really works behind the scenes. Learn about HTTP, libuv, and event emitters to write smarter, more efficient backend code.

June 10, 2025

by Sanjay Singhania

· 3,021 Views · 5 Likes

How to Create a Custom React Component in Vaadin Flow

Learn how to integrate custom React components (Plotly charts) into Vaadin Flow apps. Java backend sends data to a React frontend. React uses hooks to communicate.

June 6, 2025

by Mark Andreev

· 3,358 Views

5 Popular Standalone JavaScript Spreadsheet Libraries

An overview to help you find the right solution for building web applications that can process large amounts of data.

Updated June 5, 2025

by Ivan Petrenko

· 72,118 Views · 7 Likes

Monorepo Development With React, Node.js, and PostgreSQL With Prisma and ClickHouse

Simplify full-stack development by using a monorepo to house your React frontend, Node.js backend, and PostgreSQL database, all accessed through Prisma.

June 5, 2025

by Syed Siraj Mehmood

· 5,061 Views · 6 Likes

Using Java Stream Gatherers To Improve Stateful Operations

Explore how Java 24's Stream Gatherers improve stateful stream processing, using a real example: calculating percentage changes in stock quote data.

May 27, 2025

by Sven Loesekann

· 6,316 Views · 4 Likes

Exploring Intercooler.js: Simplify AJAX With HTML Attributes

Discover how Intercooler.js makes AJAX simple using HTML attributes, no heavy JavaScript needed. A smart and lightweight alternative for dynamic pages.

May 21, 2025

by Nagappan Subramanian

CORE

· 4,161 Views · 1 Like

The Cypress Edge: Next-Level Testing Strategies for React Developers

Discover how you can use Cypress in your React projects, with clear examples and tips to create reliable, maintainable tests that catch real-world issues early.

May 8, 2025

by Raju Dandigam

· 16,396 Views · 8 Likes

While Performing Dependency Selection, I Avoid the Loss Of Sleep From Node.js Libraries' Dangers

From cryptominers hidden in dependencies to protestware freezing builds, one rogue post-install script can jeopardize SLAs, security, and user trust.

May 5, 2025

by Hayk Ghukasyan

· 4,299 Views

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