Hannes DuPreez

Introduction Hello, and welcome to the installment in my Xamarin article series. In Parts 1 and 2, I have explained what Xamarin is and how to install it. There wasn’t much practical information because you needed to understand various concepts first. That is what this article is for. You will learn about the most popular […]

Introduction Every now and then, you sit back and think you can relax. With me, this doesn’t happen often. But, when it does, my body might be taking a break, but my ever-active brain does not. Yesterday was such a day, or rather: last night was such an occasion. Even when I am sleeping, I […]

Introduction Hello, and welcome to my article. In this short article, you will learn how to make a simple diary in Visual Basic.NET. Practical Create a new Visual Basic.NET Console Application. After the application has loaded, add a Class named clsEntry and add the following Properties and methods into it. Class clsEntry Public Property dtDateOfentry […]

Introduction Hello, and welcome to the second installment of my Xamarin article series. Before you continue reading this article, I would advise you to come to grips with “An Introduction to Xamarin, Part 1: Setup” first, if you haven’t already read it. Xamarin.Forms Xamarin.Forms is a cross-platform UI (User Interface) toolkit that allows developers to […]

Introduction Hello, and welcome to my article. Sometimes, I wonder where all my ideas for my articles come from; at least I now know why I cannot sleep most evenings. My brain doesn’t switch off. It is a blessing and a curse. Today, you will learn how to make use of the Shannon Entropy equation […]

Introduction I’ve been wanting to write this article for a very long time. Older languages are still popular and being used on a daily basis for applications big and small. I am a VB6 guy, always been, and probably always will be. I still use it on a regular basis. I remember when .NET launched. […]

Introduction It can be quite a process for some to change a computer’s power settings, especially for inexperienced users. Some people choose to have a good power plan; others do not. Technology has come a long way since the era of bubble screens and screen burns. Because I am a curious chap, and like to […]

Introduction The mobile landscape has grown tremendously, as has the Web landscape. They still are growing. People are becoming more and more connected. Smartwatches communicate with phones, phones communicate with Web pages, and Web pages communicate other devices. Everything is becoming connected. There are scores of smart device manufacturers and many operating systems for each. […]

Introduction A very important part of every developer’s daily routine is to ensure that the SQL Server’s backups were done properly. In a previous article, I mentioned that data is the most important commodity. What happens when you lose crucial data? I am sure many of you know. Sometimes, it happens that a backup does […]

Introduction I love pictures, as some of my articles can attest to. I have just about done everything I could with images (drawing them, giving them special filter effects, manipulated them to become desktop wallpapers, and so on), or so I thought. It is possible to obtain certain information from your pictures. Some information you […]

Introduction Welcome to my article. Knowledge is relative. Education is relative. Experience is relative. It all boils down to what you can remember and how fast you can remember stuff. As you get older, you tend to forget little things like telephone numbers and passwords and so on—not to mention GUIDs or long serial numbers! […]

Introduction I have always had a fascination with screen display settings. Well, I like to play with a computer’s display and all the options in code. It is wonderful what .NET and Windows enable you to do. If you revisit some of my older articles, you would see articles that includes the taskbar settings, desktop […]