This is a follow-up on my earlier article that described how to use BASIC Authentication with a WCF REST Service. The disadvantage of that solution was that you need a https tunnel to really secure the username password verification process. Although possible, this is not always a feasible situation, for example, if you don’t want to invest in certificates or loose performance when using a https tunnel. This article explains a different...

Every Architecture Design decision should be based on one or more Non-Functional requirements. Each Non-Functional requirement in its case should be based on a business need. Recently I asked myself what are the business needs for using a dependency injection (DI) framework? Which visible, tangible benefit would be reached using a DI framework? This blog post describes the arguments we used to successfully convince management. Dependency...

I talked about the importance of Non-functional requirements in my earlier post “Non-functional requirements define a Software Architecture”. What I did not describe was how you can discover the Non-functional requirements? My preferred method when it comes to requirements gathering, functional or Non-functional, is through interactive workshops. During these workshops you facilitate the requirements gathering using interactive methods. I...

The sidebar of this page shows the LetsGrow.com WordPress Weather plug-in. This WordPress plug-in shows a map of the Netherlands together with real-time temperature and radiation data. The plug-in retrieves the data directly from LetsGrow.com using LetsGrow Services. LetsGrow Services is a module that enables customers or partners of LetsGrow.com to develop third-party applications that use the data from the LetsGrow platform. The...

I got some requests for releasing the library that calculates the sunrise, sunset and maximum solar radiation of the LetsGrow WordPress Weather plug-in. I extracted the algorithms from the implementation on the platform LetsGrow.com and decided to release it. It is possible to calculate the sunrise, sunset and maximum solar radiation using some well-known formulas. For those of you who are interested in these formulas take a look at the...