Alexander Opalic articles - 25 total
The Age of the Generalist
AI this, AI that. Like many of you, I’m constantly switching between “Wow, you can do that with AI?”...
How ChatGPT Works (for Dummies)
Introduction Two and a half years ago, humanity witnessed the beginning of its biggest...
The Future of Work in the AI Age: Three Possible Paths
This is a submission for the 2025 New Year Writing challenge: Predicting 2025. When we think about...
How to Use SQLite in Vue 3: Complete Guide to Offline-First Web Apps
Want to build web apps that work offline? While browsers have built-in storage options like...
My favorite Newsletters as a Full stack Developer
People always ask me, "Alex, how do you stay up to date with tech?" (Nobody asks me that.) One way to...
Frontend Testing Guide: 10 Essential Rules for Naming Tests
Introduction The path to better testing starts with something surprisingly simple: how you...
Create a Native-Like App in 4 Steps: PWA Magic with Vue 3 and Vite
Table of Contents Introduction Understanding the Basics of Progressive Web Apps...
From Atoms to Pages: Applying Atomic Design in Vue and Nuxt Projects
Introduction Clear writing requires clear thinking. The same is valid for coding. Throwing...
Bolt Your Presentations: AI-Powered Slides
Introduction Presentations plague the middle-class professional. Most bore audiences with...
TypeScript Tutorial: Extracting All Keys from Nested Object
What's the Problem? Let's say you have a big TypeScript object. It has objects inside...
TypeScript Snippets in Astro: Show, Don't Tell
Note: Since I use Shiki and Twoslash I recommend you check out the blog post on the original site to...
Vue 3.5's onWatcherCleanup: Mastering Side Effect Management in Vue Applications
Introduction My team and I recently discussed Vue 3.5's new features, focusing on the...
How to Build Your Own Vue-like Reactivity System from Scratch
Introduction Understanding the core of modern Frontend frameworks is crucial for every web...
Vue Accessibility Blueprint: 8 Steps
Writing accessible components in Vue is crucial as more developers recognise the importance of making...
Refactoring: The Hard Parts
Table of Contents Introduction The Process of Refactoring Some Refactoring...
The Problem with "as" in TypeScript: Why It's a Shortcut We Should Avoid
Introduction: Understanding TypeScript and Its Challenges TypeScript is like a helper for...
Mastering TypeScript: Looping with Types
Introduction Loops play a pivotal role in programming, enabling code execution without...
Exploring the Power of Square Brackets in TypeScript
Introduction TypeScript, the popular statically-typed superset of JavaScript, offers an...
Implementing a Custom `Includes` Utility Type in TypeScript
Introduction TypeScript offers a powerful type system that allows developers to create...
Robust Error Handling in TypeScript: A Journey from Naive to Rust-Inspired Solutions
Introduction In the dynamic world of software development, robust error handling isn't...
Building a Type-Safe API URL Builder in TypeScript: A Pokémon API Example
Introduction Interacting with APIs often involves juggling multiple endpoints, diverse URL...
7 Tips to Enhance Your Unit Testing Skills with Vue
Introduction There's something particularly satisfying about writing unit tests, don't you...
How to Improve Accessibility with Testing Library and jest-axe for Your Vue Application
Introduction Accessibility is an essential aspect of web development that ensures your...
Embracing TypeScript Generics: A Lighthearted Guide to Flexible and Robust Code
Introduction 😃 Generic programming is a powerful paradigm that has revolutionised the way...
New features in ES2021
Introduction Since I am personally always curious what new features ECMAScript brings with...