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In today's digital landscape, file exchange has become an integral part of our online activities, from sharing work documents to uploading pictures on social media. However, this convenience comes with inherent risks. File upload functions, seemingly innocuous, can serve as…

Context Earlier this year, we developed the sustainability calculator versions 1 and 2 at Theodo UK (version 2 can be downloaded here). The aim of the first version was to have a proof of concept that would allow us to calculate…

Several years ago, I was working on a web project that had quite a number of critical web flows that needed to be regularly tested to make sure that there weren't any regressions from functionality or performance across the app.

A thousand PDF generation solutions, but which one to choose? Recently, I was faced with a problem that many developers fear and avoid: generating a PDF document. There are lots of libraries handling this, the problem is knowing which one best fits…

We updated several projects from Api Platform v2 to v3 and felt that some aspects of the migration were not fully covered in the documentation. This article shares our feedback on the migration process and helps you to migrate your application to the latest version of Api Platform.

Long story short: I broke my arm while riding my bike and I can't type. Quite the problem as typing is a key part of my daily life as a software engineer. So I decided to add a speech to text button to my keyboard. Here's how I did it...

Over the years, I've heard whispers of the mystic powers of StyleSheet.create, and how not using StyleSheet would negatively affect performance. The other day, curiosity got the better of me, and I went down a rabbit-hole of looking into…

For my very first project at Theodo, I worked on a website designed for scientists who wanted to track the progress of an experiment. My task involved improving graphs with large amounts of data. However, the data retrieval process turned…

😵 The issue As a web developer, you know that it's important to be able to deploy new features to users quickly and efficiently. But how can you do this without disrupting your development process? Let's imagine that a web project uses…

I recently published an article and thread comparing iOS rendering performance across SwiftUI, React Native, and Flutter. The results showed that SwiftUI (unsurprisingly) performs the best, followed by React Native and Flutter respectively. I got some interesting feedback and suggestions from…