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Modelling is a widely used tool in Computer Science, but often only thought about from a programming, architecture or requirements gathering perspective. There is a large amount of Human Computer Interaction (HCI) research that shows the importance of modelling the…

How a Spanish Coffee Chain started to go Lean This article wants to be a friendly and concrete introduction to Lean. If you have only heard of the concept, I hope you get a clearer view of what Lean is. If you’re…

In the previous article, we saw how to use wkhtmltopdf. But, when I did it, I encountered problems that I really want to share with you. Each problem has a solution First, you have to understand what wkhtmltopdf does: rendering the html with…

What is pair programming? Pair programming is when two developers work on the same task on a single machine in a specific way: in pair programming (or “pairing”), the two devs must swap between two roles:one at the keyboard, physically writing…

If you are used to develop on Linux and you have to suddenly switch back to Windows for a particular project, it can be really painful to use native tools like putty or power shell to develop.Don't worry, there are…

[Edit]: I'm writting a book about Ansible, click here if want a free draft.When you start a new project and you create the Ansible provisioning for it, you will do those tasks:Find the right role on Ansible Galaxy and check…

What is the SVG file format and why should I care? SVG stands for Scalable Vector Graphics.It is a file format for vectorial images described using XML tags. Since it is vectorial, it presents a few advantages:it is lightweight you can zoom it…

AngularJS routing system is great to create RESTful single-page applications, but it comes at the cost of accepting the # fragment in all your urls. There are several reasons you would like to drop this tiny character:Search Engine Optimization (SEO)…

Have you ever tried to generate a pdf in your application? This year, I have. Twice. I'm sure there are several means to this end. For example, one of my colleagues used phantomjs and then wrote an article about his experience. But…

Facebook released its new feature: the Live Video.You're surely aware that America elected a new president and you may remember the buzz of that night: the live from ABC News asking who will win, by making people vote through the…