Linking Animations to Scroll Position in React Native

When you want to link a custom animation to the scroll position in a ScrollView, like in the card example below, you are in for some bad performance on low end devices. Let’s figure out why and learn how to make it buttery smooth.

First Steps in gRPC Bindings for React Native

When you want to use gRPC in your React Native app there is no official support yet, but that shouldn’t stop you! In this post I’ll show you how we designed an implementation with type safety in mind and successfully called a service remotely from…

De-mystifying Jest Snapshot Test Mocks

So, let’s say you have a nice React Native setup with the Jest testing library. You want to snapshot-test all your components of course! But you’re getting seemingly unrelated errors when you tried to mock a third party module in your snapshots and you’re lost…

Theming in Vue single file components

There are situations where it’s beneficial to build different CSS files for the same web app…

Why Your Business Should Be on the WeChat Platform (Part II): WeChat Feature Overview

Why Your Business Should Be on the WeChat Platform

Design by contract using GraphQL

When interfacing between systems it is good practice to think about the interface design prior to developing the systems. GraphQL can be a useful tool to write down these design decisions using its schema definition language. Even when you are not using GraphQL itself in…

Breaking changes in Swift 4

In this blog I would like to give insight in the amount of code breaking changes that will be introduced in Swift 4. Also, I will demonstrate how you can already work with Swift 4 in the current Xcode 8.3.2.