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Under the Radar: How Floorplanner Used Money From Cash-Flow to Buy Their Highly Funded Competitor

I sat down with Gert-Jan van der Wel and talked about their business, crucial moments and biggest lessons over the past years...

Integrate Brakeman in your workflow

A while ago I wrote an article about integrating Rubocop into your workflow. Now that we are checking for code style, it is time to improve the workflow...

Controlling HTML5 audio/video tags on mobile Safari

For a side-project (http://lekkerluisteren.nl) I am using HTML5 audio tags and controlling them via JavaScript. The side project is a simple...

Announcing Formbox - our latest (ad)venture

Last Friday, we’ve released Formbox, our form-backend as a service. After using Formbox for more than six months internally...

Setting up SSL for your Rails app

In March 2015, I wrote about setting up SSL for your Rails app. Back then, only 16.4% of the 148.486 most popular website had secure SSL implemented.

Building an iOS app with Turbolinks-iOS

Over the last couple of months, we’ve been shipping quite some hybrid iOS and Android apps...

Using Mixpanel Custom Queries

This weekend, I implemented a metrics dashboard for our iOS, Android and web app Sporzer. One metric that I needed on this dashboard...

Measuring Monthly Active Users

Three weeks ago, we decided that we are going to focus all our efforts for our app Sporzer towards increasing the number of Monthly Active Users (MAUs).

The Purpose of Experiments in Startups

The connotation of the word ‘experiment’ is about some scientists in lab coats holding up and looking at test tubes, while they carefully measure outcomes...

Measuring Monthly Active Users

Two weeks ago, we decided that we are going to focus all our efforts for our app Sporzer towards increasing the number of Monthly Active Users (MAUs).

Forcing a Rails database migration

Today I accidentally ran migrations on a production environment that shouldn't run. Luckily, the table wasn't critical, but it did cause a feature of...

Announcing s3bucketpolicy.com

Because S3 is awesome but the policies are awful, we created a small tool for you!

Coming soon

We are currently still working on this topic. Keep an eye on us.