Migrate a Ruby on Rails App to Rails 4.x with “Strong Parameters”

A helpful rake task I’m just updating a three year old rails app from 3.2 to 4.2. One of the changes is that now the controller is responsible to protect against mass assignments. I think this is the right architecture, as the controller has the job to receive the input parameters and transfer them to …

Huawei, Kelsterbach, Rüsselsheim und Raunheim

Notes about „smart city“ The Mayors of three German cities signed a cooperation with Huawei at the CeBIT Fair. I was an observer of the signing ceremony. The cities are located near the biggest German airport of Frankfurt in the economically active Rhein-Main region. However, the cities have combined less inhabitants than Huawei has employees. …

WebApp-Icons für Chrome auf Android

Translation to english is in progress, stay tunes Webapps sind im Grunde einfach Webseiten, die man mit eigenen Icon auf seinen Smartphone installieren kann. Die Nutzer brauchen so nicht über einen Appstore zu gehen. Um eine solche Webapp zu entwickeln müssen wir dem HTML-Code einer Webseite zusätzliche Informationen mitgeben: die generelle Eigenschaft “WebApp-fähig” sowie mindestens …