JavaScript Resources

Unhandled Promise Rejections: The Tiny Mistake That Crashed Our Node.js App

A missed .catch() caused an unhandled promise rejection that crashed our Node.js API fix was proper async error handling with try... catch or middleware.

October 24, 2025

by Bhanu Sekhar Guttikonda

CORE

· 5,640 Views · 2 Likes

Stop React Native Crashes: A Production-Ready Error Handling Guide

Learn about various error types and three-layer error handling to build reliable and resilient React Native mobile applications.

October 10, 2025

by Anujkumarsinh Donvir

CORE

· 4,823 Views · 2 Likes

Transforming Your Node.js REST API into an AI-Ready MCP Server

Learn how to upgrade your Node.js REST API into an AI-ready MCP server to enable intelligent, agent-driven interactions.

October 8, 2025

by Lakshmi Narayana Rasalay

· 6,472 Views · 1 Like

When Offline Still Matters: Why Some Mobile Apps Work Without Wi-Fi — and Others Don’t

Learn why native mobile apps handle offline use better, from caching data to background sync, and how to build apps that work anywhere, anytime.

October 8, 2025

by ARSALAN HUSSAIN

· 3,406 Views · 1 Like

Build a Face-Matching ID Scanner With ReactJS and AI

Create a ReactJS component to match webcam faces to ID photos using AI, all client-side. Great for fast prototyping of secure apps like banking or event check-ins.

September 29, 2025

by Rajiv Gadda

· 3,715 Views

Using TanStack Query for Scalable React Applications

With built-in caching, retries, and background refetching, TanStack Query takes the pain out of CRUD operations in large-scale React applications.

September 24, 2025

by Poornakumar Rasiraju

· 3,378 Views

Terraform Compact Function: Clean Up and Simplify Lists

The compact() function ensures that only valid, non-null elements are included, helping prevent runtime errors during the apply phase.

September 17, 2025

by Mariusz Michalowski

· 3,422 Views · 6 Likes

Tuples and Records (Part 5): Performance Challenges

Tuples and Records were withdrawn from ES2025 due to performance and engine challenges. The ideas remain influential for immutability and value-based JS patterns.

September 15, 2025

by Guhaprasaanth Nandagopal

· 2,775 Views · 2 Likes

Tuples and Records (Part 4): Optimize React and Prevent Re-Renders

Use Tuples and Records in React to ensure immutable, value-based state, prevent redundant re-renders, and improve performance in complex applications.

September 12, 2025

by Guhaprasaanth Nandagopal

· 2,758 Views · 3 Likes

AI on the Fly: Real-Time Data Streaming From Apache Kafka to Live Dashboards

Real-time data streaming plays a key role for AI models as it allows them to handle and respond to data as it comes in, instead of just using old fixed datasets.

September 11, 2025

by Gautam Goswami

CORE

· 6,990 Views

From HTTP to Kafka: A Custom Source Connector

Learn how to implement a custom Kafka Connect HTTP source connector to integrate with HTTP endpoints, covering connector configuration, deployment and usage.

September 10, 2025

by Ion Pascari

· 4,676 Views · 5 Likes

Tuples and Records (Part 3): Potential ECMAScript Proposals

Potential enhancements for Tuples & Records, building a React app, common issues like JSON incompatibility and browser support, and practical solutions for developers.

September 10, 2025

by Guhaprasaanth Nandagopal

· 2,520 Views · 2 Likes

Tuples and Records (Part 2): JavaScript Migration Guide

Learn how to migrate to JavaScript’s Tuples and Records with step-by-step guidance, compatibility tips, benchmarks, and reduced reliance on libraries.

September 8, 2025

by Guhaprasaanth Nandagopal

· 2,799 Views · 3 Likes

Making String Search Easier Across Databases

Users rarely remember exact strings. Partial search with fragments—beginnings, endings, or keywords—has become crucial for systems like e-commerce and finance.

September 5, 2025

by Otavio Santana

CORE

· 3,223 Views · 2 Likes

Change Data Capture for Apache Phoenix Stream

Apache Phoenix, a relational low latency, high throughput database backed by Apache HBase has implemented Change Data Capture. Learn the details of the CDC Streaming.

September 5, 2025

by Viraj Jasani

· 2,556 Views · 4 Likes

Tuples and Records (Part 1): What They Mean for JavaScript Performance and Predictability

Tuples and Records in JavaScript provide immutable, value-based data structures that simplify state management, boost performance, and improve predictability.

August 29, 2025

by Guhaprasaanth Nandagopal

· 2,718 Views · 7 Likes