Manfred Stienstra

The Meaning of HTML5


~7 years ago by Manfred Stienstra on Fingertips.
How would you define HTML5? Choose: HTML5 is exactly what’s specified in the HTML5 W3C Working Draft. Nothing less, and certainly nothing more.HTML5...

How to work around the Mobile Safari image resource limit


~7 years ago by Manfred Stienstra on Fingertips.
Because of the memory available on an iPad or iPhone, Mobile Safari has much stricter resource limits than most desktop browsers. One of these limits is...

We won the Ruby And Rails 2010 Rumble with Miner


~7 years ago by Manfred Stienstra on Fingertips.
Yesterday, Eloy and Manfred won the Ruby and Rails 2010 Ruby Rumble with Miner, a site which finds and lists the hottest new and upcoming RubyGems. In...

Help them find the login form


~7 years ago by Manfred Stienstra on Fingertips.
When you write ReST-style applications there are certain URLs which don’t respond to a GET. Browsers don’t know which verbs are allowed on a...

Security through clarity: keeping secrets in a multi-server Amazon EC2 setup


over 7 years ago by Manfred Stienstra on Fingertips.
For one of our clients we’re deploying an application to multiple application instances on Amazon EC2. All the applications need access to three things...

Nap now with TLS client certificate support


over 7 years ago by Manfred Stienstra on Fingertips.
I just pushed version 0.4 of the Nap gem. For those who don’t know: Nap is a really simple ReST API. It’s basically just a small wrapper around...

Four days for Appsterdam, Day 1: Requirements, wireframes and Test-Driven Development


over 6 years ago by Manfred Stienstra on Fingertips.
We’re donating four days of development time to build a members listing app for the Appsterdam community. Here’s a video of day one where we...

Four days for Appsterdam, Day 4: Roundup


over 6 years ago by Manfred Stienstra on Fingertips.
We’re donating four days of development time to build a members listing web app for the Appsterdam community. Here’s our video for day four where Manfred...

Four days for Appsterdam, Day 3: What we’ve done so far and simple solutions


over 6 years ago by Manfred Stienstra on Fingertips.
We’re donating four days of development time to build a members listing web app for the Appsterdam community. Here’s our video for day three where we give...

Five Languages in Five Days


over 6 years ago by Manfred Stienstra on Fingertips.
Last year Eloy and I taught Ruby at the first ‘5 Talen in 5 Dagen’ summer course. In this course the students learn one programming language each day for...