Peter Hrynkow is an engineering leader focused on AI enablement, automation, and developer productivity.
Every booking on my platform kicks off a chain of work – confirmation emails, calendar events, reminders – all handled by n8n, a visual workflow tool. It worked fine. But in late January, I decided I could do better.
There’s a wave of “app generators” promising that anyone – not just developers – can describe what they want and get a working application. The pitch is compelling, but the reality is that these tools generate application code with few guardrails. The output is deployed and you hope the tests catch the problems – assuming tests even exist.
I’ve spent the last several months building a multi-tenant SaaS platform from scratch. The kind where every customer needs slightly different data models, different forms, different workflows. The kind that, done wrong, turns into an unmaintainable mess of if (tenant.type === 'yoga_studio') branches.
Recently, I was asked why using a framework or library like React, Angular, or Vue.js is better for building web apps than vanilla JavaScript. Here are the reasons I keep coming back to.
Raster images normally look distorted or pixelated when enlarged—especially if they contain graphics or text. The technique below is about blowing up tiny images, and the results might surprise you.
According to the Jest docs, snapshot tests help ensure your UI doesn’t change unexpectedly. That sounds great, but in practice snapshot tests can create more noise than signal. Here’s why.
Update: The approach described in this post is now the recommended way to test in the official Redux docs.
Earlier this year my team built and shipped its first production Firebase app. We needed a web-based chat client where users could interact with market research bots in real time. Firebase was the perfect fit: the Realtime Database kept clients in sync, Cloud Functions processed messages, and Firebase Hosting served the app.
Have you ever called the same function with the same argument over and over again? There’s a simple technique that reduces this repetition: partial application.
Wouldn’t it be great if you could get the compression of a JPEG with the transparency of a PNG? You can, with a little layering trick I used while working on the new Sapporo Beer website.