Certificates.dev Blog

Discover the latest Certificates tips & tricks, industry news, and best practices

Signals + HTTP = httpResource [Tutorial]

Signals + HTTP = httpResource [Tutorial]

Angular 19.2 rolls out httpResource — an experimental, signal-friendly layer over HttpClient that lets you fetch data reactively. Instead of juggling Observables and state flags, httpResource gives you built-in signals like isLoading() and hasValue(), and it automatically re-fires requests when dependent signals (e.g. page number, query) change.

Alain Chautard

Alain Chautard

Sep 25, 2025

Data Fetching Game in Nuxt: Advanced Level

Data Fetching Game in Nuxt: Advanced Level

This article shows how Nuxt uses enhanced control in useFetch / useAsyncData: with dedupe: 'defer' to skip duplicate fetches, retry & retryDelay to handle flaky endpoints, and delay to smooth UI transitions. These options yield cleaner, faster, and more resilient data flows—especially helpful for reactive interfaces and unstable networks.

Reza Baar

Reza Baar

Sep 19, 2025

React <ViewTransition>: Smooth Animations Made Simple

React <ViewTransition>: Smooth Animations Made Simple

Discover React’s new ViewTransition component and how it leverages concurrent features to create smooth, browser-native animations. Learn enter/exit effects, shared element transitions, list filtering, and Suspense integration with practical examples and CSS customization tips.

Aurora Scharff

Aurora Scharff

Sep 17, 2025

The Angular Compiler: From Your Code to Browser Code

The Angular Compiler: From Your Code to Browser Code

This article demystifies what Angular actually bundles into your browser—including how your component and template code gets compiled into a hashed, minified main-xxxxx.js file for cache-busting—and shows how disabling optimization in angular.json lets you peek at the more human-readable compiled output.

Alain Chautard

Alain Chautard

Sep 15, 2025

Just Use useTemplateRef for Template Refs

Just Use useTemplateRef for Template Refs

Vue 3.5's useTemplateRef eliminates template ref headaches: no more type mismatches, silent typos, or verbose component typing. Here's why it's worth the switch.

Abdel Awad

Abdel Awad

Sep 10, 2025

Closures: private state, tiny surface

Closures: private state, tiny surface

JavaScript closures give functions memory: private state without globals, safer APIs, and predictable behavior. See what they are, when to use them, and why.

Martin Ferret

Martin Ferret

Sep 8, 2025

Component architecture with inputs, model(), and viewChild()

Component architecture with inputs, model(), and viewChild()

This article explores three distinct approaches to facilitating communication between a parent component and a dialog component in Angular, using a single interactive example centered on opening and closing a dialog.

Alain Chautard

Alain Chautard

Sep 4, 2025

React Concurrent Features: An Overview

React Concurrent Features: An Overview

Learn React's key concurrent features—useTransition, useDeferredValue, Suspense, and useOptimistic—and how they coordinate to create smooth, responsive user experiences. Includes practical examples and best practices.

Aurora Scharff

Aurora Scharff

Aug 19, 2025

React Children and cloneElement: Component Patterns from the Docs

React Children and cloneElement: Component Patterns from the Docs

Explore React's Children utilities and cloneElement API through their excellent documentation. Learn about compound component patterns, understand their limitations, and discover why modern alternatives like render props and context are often better choices for component composition.

Aurora Scharff

Aurora Scharff

Aug 6, 2025

Looking for Certified Developers?

We can help you recruit Certified Developers for your organization or project. The team has helped many customers employ suitable resources from a pool of 100s of qualified Developers.

Let us help you get the resources you need.

Contact Us
Customer Testimonial for Hiring
like a breath of fresh air
Everett Owyoung
Everett Owyoung
Head of Talent for ThousandEyes
(a Cisco company)