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Recent posts in JavaScript on DZone.com
Site URL: dzone.com/javascript
Feed URL: feeds.dzone.com/javascript
Posts: 11
Followers: 1
Advanced gRPC in Microservices: Hard-Won Insights and Best Practices
https://feeds.dzone.com/link/23564/17068493/advanced-grpc-in-microservices
Published: July 3, 2025 13:00
Building microservices at scale often means pushing beyond the basics of gRPC. Many teams adopt gRPC for its high performance and cross-language support, only to discover subtle complexities when running it in production. In this article, we delve into…
Squid Game: The Clean Code Trials — A Java Developer's Survival Story
https://feeds.dzone.com/link/23564/17067292/squid-game-clean-code-trials
Published: July 1, 2025 16:00
"In the world of code, there are only two outcomes: evolve or perish." Episode 1: The Red Light of Rigid Code Scene: A vast ODC filled with desks, whiteboards, and terminals. The chairs are marked with red and green stickers. Software contestants sitting,…
CORS Misconfigurations: The Simple API Header That Took Down Our Frontend
https://feeds.dzone.com/link/23564/17066149/troubleshooting-cors-node-angular
Published: June 30, 2025 11:00
Imagine deploying a new Angular frontend with a Node.js/Express API backend, only to find that none of the API calls work once it’s live. Our team faced exactly that scenario – the app was effectively broken due to one missing HTTP response header.…
A Beginner’s Guide to Playwright: End-to-End Testing Made Easy
https://feeds.dzone.com/link/23564/17064990/beginner-guide-playwright-end-to-end-testing
Published: June 27, 2025 18:00
Modern web applications are growing increasingly complex, and so is the need for reliable, fast, and flexible testing tools. Playwright, developed by Microsoft, is quickly becoming a go-to choice for developers and QA engineers looking to implement robust…
How to Monitor and Optimize Node.js Performance
https://feeds.dzone.com/link/23564/17063926/how-to-monitor-and-optimize-nodejs-performance
Published: June 26, 2025 12:00
Node.js is a powerful, fast, and lightweight runtime environment to build high-speed apps. But its event-driven and single-threaded nature can cause performance bottlenecks. As a result, issues like memory leaks, CPU congestion, and slow performance may…
Building an AI-Powered Text Analysis App With React: A Step-by-Step Guide
https://feeds.dzone.com/link/23564/17063276/how-to-build-ai-text-analysis-app-react-vite-openai
Published: June 25, 2025 12:00
In this article, we will walk through the step-by-step implementation of an AI Text Analysis App using React, Vite, and OpenAI's GPT-3.5. This app will allow users to input text and analyze it for sentiment, topics, summary, and language detection. By the…
Beyond Java Streams: Exploring Alternative Functional Programming Approaches in Java
https://feeds.dzone.com/link/23564/17050214/alternative-functional-approaches-in-java
Published: June 12, 2025 14:00
Few concepts in Java software development have changed how we approach writing code in Java than Java Streams. They provide a clean, declarative way to process collections and have thus become a staple in modern Java applications. However, for all their…
Converting List to String in Terraform
https://feeds.dzone.com/link/23564/17049558/converting-list-to-string-in-terraform
Published: June 11, 2025 16:00
In Terraform, you will often need to convert a list to a string when passing values to configurations that require a string format, such as resource names, cloud instance metadata, or labels. Terraform uses HCL (HashiCorp Configuration Language), so…
How Node.js Works Behind the Scenes (HTTP, Libuv, and Event Emitters)
https://feeds.dzone.com/link/23564/17048992/how-nodejs-works-http-libuv-event-emitters
Published: June 10, 2025 20:00
When working with Node.js, most people just learn how to use it to build apps or run servers—but very few stop to ask how it actually works under the hood. Understanding the inner workings of Node.js helps you write better, more efficient code. It also…
How to Create a Custom React Component in Vaadin Flow
https://feeds.dzone.com/link/23564/17046556/create-custom-react-component-vaadin-flow
Published: June 6, 2025 20:00
Vaadin Flow is a Java-based, backend-driven UI framework that is best suited for admin UIs, where the number of active users is predictable and bounded. Within this controlled context, the UI state can be managed on the backend, sharing only the necessary…
Monorepo Development With React, Node.js, and PostgreSQL With Prisma and ClickHouse
https://feeds.dzone.com/link/23564/17046327/monorepo-development-with-react-nodejs-and-postgre
Published: June 5, 2025 15:00
What's the Big Idea? Building web apps with separate frontends, backends, and databases can be a headache. A monorepo puts everything in one place, making it easier to share code, develop locally, and test the whole app together. We showed how to build a…