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Drawing Analog Style Clocks In VB.NET

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A number of years ago I showed an example of creating a typical digital clock using picture numbers...
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Using Performance Counters in the C# Language

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At any given time the Windows operating system is tracking statistics for the system and many of the processes / applications that are currently running on it. Things like the number of processors, how many threads are executing, how often the CLR is in garbage collection, the number of I/O operations being performed etc are all tracked through...
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Transforming Shapes With Java AffineTranform

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You, a retro gamer, are on a new quest to bring back a classic arcade hit to a whole new generation of space faring digital cosmonauts. But it is dangerous out there and you need to show these rookies the dangers of journeying their ships alone in the vastness of space. So you want to create your own game of Asteroids...
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The Comma Operator in C++

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When we think of the comma character we often think of it as a separator. It separates values in an CSV file, it separates items in lists, it may separate index values in multidimensional arrays (in other languages) and more. But in C++ an obscure way of using them was as an operator. The reason it never made it big as an operator and into the...
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Stash Data Away In Controls With The Tag Property Using VB.NET

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One of the most underutilized properties of any control is a property called "tag". What does it do? Does it cure world hunger? Does it save the planet from annihilation? I would probably say no on both counts, but it does have a bit of a mystique that beginners may not be fully aware of. In design mode of Visual Studio if you select a...
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Function Pointer Basics in C++

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Beginners to C++ programming find the concept of pointers foreign to them. Pointers, and code that manipulates pointers (aka pointer arithmetic), can even be daunting to some of the most seasoned programmers. Pointers in C++ account for a fair share of bugs in programs due to the lack of understanding. So why even use them? Well, besides being the...
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Small High-Low Game Example in Ruby

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Well it has been awhile since I made an entry so I thought I would make one while also answering someone's question. The user named "Cunningham" asked about an example high-low number guessing game to get started with learning Ruby. The game is essentially guessing the random number generated by the computer to see how quick you can...
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Playing with Recursive Directory Diving in VB.NET

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So recently someone asked about listing files from several directories but only to a given depth. They were using a DirectoryInfo object, as they probably should, to get a list of files. There was a problem with this however since the constructor of this object only offers a version where you specify no recursion on the sub directories or full...
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Simple Queue Using Text File in PHP

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When talking about any kind of server-side language, like PHP or ASP, you will often find the term "database" not too far behind. It is the preferred choice for storing data on the web after all. Another option is to use a text file. The problem with text files is that they are not typically secure, can be easily read, and don't...
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Reading and Updating an Access Database in C#

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Almost on a daily basis we run across posts that ask about using a .NET language to read and update a database. Oh it might have a slight variation like "How do I load a value from a database into a textbox?" or "How do I read a database into _______ control and then update the database?" So I figured I would put a few little...

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