Blog

Ideas and insights from our team

About André Ericson

Frontend and Backend developer, Python and modern JavaScript evangelist. CLI is my /home/.

All articles by André Ericson

Unit testing React Components with Jest
André Ericson

Jest is a JavaScript testing framework, it's fast and has an awesome snapshot testing feature. This post is not an introduction to Jest, there are plenty of those around. In this post we will show how to unit test your components in an isolated manner. If you want to follow along create a project...

Jan. 31, 2017
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JavaScript's Lambda and Arrow Functions
André Ericson

Lambda expressions are present in most of modern programming languages (Python, Ruby, Java...). They are simply expressions that create functions. This is really important for a programming language to support first-class functions which basically means passing functions as arguments to other fu...

Dec. 14, 2015
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3 Awesome Git commands to help you debug
André Ericson

Git is a great tool but since you only need to know a small subset of commands to use it, people end up not knowing a bunch of awesome features of it. Some of my favourites are blame, bisect and rebase. Hopefully you will find them useful. You can find the repository used for the examples over he...

July 15, 2015
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Uploading files from the frontend to Amazon S3
André Ericson

A common problem appears when uploading large files to Heroku. Every request made to Heroku must last less than 30 seconds or it will get terminated, when uploading large files, 30 seconds might not be enough. More information can be found here. One way to deal with this situation is to upload fi...

June 24, 2015
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Classy Django REST Framework Release
André Ericson

We are proud to announce the release of Classy Django REST Framework, a web-based documentation with flattened information about Django REST Framework's class-based views and serializers. It is heavily based on Classy Class-based View and users familiar with it will feel right at home. It is avai...

May 22, 2015
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