Johan de Koning ← www.johandekoning.nl

Don’t wrap your IoC container

Mar

2013

Maybe the title of this blogpost is a little bit strange but let me give you an explanation. I worked on a couple of projects and all those projects had at least one thing in common: there was an wrapper created around the inversion of control (IoC) container. The main reason given: this way we are ...

Code Snippet: change background color of Visual Studio editor with code

Dec

2011

When working on a project which has a trunk and branches, it happens sometimes that I am changing code at the wrong location. To make it clear that I am working on a branch I added some VB Macro to the Visual Studio IDE which changes the background color when the solution is stored in ...

Getting things done and Outlook – Keep original message attached to task or appointment 3

Jul

2011

To get my email, tasks and mind organized, I am trying to use the Getting Things Done method developed by David Allen (English book/Dutch book). Because I am using Outlook as “external storage system”, I read an additonal book (Iedere dag je hoofd en inbox leeg (dutch book)) about implementing GTD within Outlook. The main ...

Unittesting with WCF client dependency

Jun

2011

On the Internet I found a simple calculator webservice (http://soatest.parasoft.com/calculator.wsdl). In this blogpost I will build a really simple class library which exposes the Add operation of this webservice. The purpose of this exercise is to show you how to handle this WCF dependency when unit testing the code. Calculator 1.0 – Using the generated ...

Dam tot damloop 2010 2

Sep

2010

19 september om 11:30 was het dan zo ver… de start van mijn eerste dam tot damloop. Het hardloopevenement waarvoor ik in maart met trainingen bij AV Zaanland was begonnen. Toen begon ik met 1 minuut hardlopen en was dan al kapot. Nu een half jaar verder heb ik er 16,1 km opzitten in 1 ...

WCF Data Contract Schema validation with Schematron

May

2010

WCF is mostly used within a code first implementation. The data contract and service operations are implemented as methods within a class which are decorated with attributes (like [DataContract] and [DataMember]). With these attribute the types define that they are serializable with a serializer such as the DataContractSerializer. The DataContractSerializer is an optimized serializer which ...

Turing machine implementation with WF4 and FlowChart 1

Apr

2010

A couple of days ago I received a tweet about a real hardware implementation of the Turing Machine (http://www.aturingmachine.com/). Impressed about this implementation, I was thinking about how to implement a simple Turing Machine counting program with the use of Workflow Foundation 4. And that’s where the story starts about my first experience with WF4. ...

Powershell – Sync/shift file creation time

Mar

2010

I went on holiday for two weeks together with my girlfriend. We both had our own camera and when we returned home we wanted to merge both photo collections. There was only a small problem, the date/time settings of the cameras were not in sync. This will give you funny/strange results when viewing the slideshow. ...

My colleague went to a conference and all I got was this lousy eco-button 2

Jan

2010

Today I got an eco button from my colleague. It is a hardware button with a green flashing light (is that eco?) which can be connected to your computer. With software installed, your computer will be put in stand-by mode when you press the button. Because I use my computer the whole day for development, ...

Top2OneNote Addin – Making my digital notepad notes searchable 18

Dec

2009

Last week I bought a nice gadget at our discount supermarket (Aldi). The gadget is called a Digital notepad and makes it possible to record your notes while writing them down on paper. Your writing is stored on the internal memory as vector data. There is a lot of software supplied, but using them is ...