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Author Archives: Karsten Meier
(Deutsch) Back to the 60ties: Flussdiagramme
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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 …
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Quantum Computing with Ruby
Few know that you already can do quantum computing with the Japanese programming language Ruby. If you have a Ruby interpreter installed on your computer, you can follow the following experiment, which is inspired by Erwin Schrödinger. (See also my article from 1997)
(Deutsch) Smart City Salon – Logistik
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Pictures from the UX-Camp
You find pictures from the UX-Camp 2015 and from my session about smart city at this Flickr Image Stream.
(Deutsch) Industrie 4.0 Hackathon
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Internet-of-things in the Enterprise
An open source book on how to plan and implement big scale IOT projects: [link_format link=”http://enterprise-iot.org” target=”blank” title=”Ignite framework for iot “]Enterprise-IOT.org[/link_format]
Smart City, Indian Style
Soon I publish this article also in english. Stay tuned.
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. …
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