Create a Visual Studio Extension with minimal impact on VS startup performance

The good news: It’s very easy to create an extension in Visual Studio. The bad news: It’s also easy to make that extension have an adverse effect on the start time of Visual Studio. Let’s examine how we can mitigate the impact on Visual Studio performance. Make sure your VS Installation has installed Extensibility by…

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Graph Poker Hand Distributions

Last time I showed how to Calculate Poker hand probabilities with code that showed how often a particular hand occurred, such as a Pair or a Full House. Now that we can calculate these probabilities, lets graph them. You’ll need to add references to some assemblies: System.Windows.Forms, System.Windows.Forms.DataVisualization, WindowsFormsIntegration First we’ll accumulate the results of…

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Calculate Poker hand probabilities

In the last post I showed some code that displays playing cards using WPF. Now we’ll have some fun with the cards. Let’s calculate the probability of getting a particular poker hand. The program below shuffles the deck, then deals 5 cards by taking the first 5 cards into a “hand”. The hand is then…

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Display Playing cards in WPF

I remember each version of Windows had new games. On Windows 3.1 many people played Solitaire. Windows for Workgroups 3.11 introduced Hearts. Somewhere along the way came FreeCell, MineSweeper and Spider Solitaire. This was years before more modern User interfaces, such as WPF existed. Windows no longer ships Cards.dll which has the images of the…

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Debugging Monkeys on a Raspberry Pi

The last couple times I wrote about using a RaspBerry Pi and Windows IoT: https://blogs.msdn.microsoft.com/calvin_hsia/2017/03/16/getting-started-with-windows-internet-of-things-windows-iot/ https://blogs.msdn.microsoft.com/calvin_hsia/2017/04/29/create-a-security-system-with-cameras-on-your-windows-iot-raspberry-pi/ I was contemplating getting Monkeys working on an Arduino, but that would have required a lot more effort (I’d have to implement a lot of the base functionality, like collection classes, hash tables, I/O, etc.) and it would not…

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Create a security system with cameras on your Windows IOT Raspberry Pi

Last time I wrote about getting started using a Raspberry Pi and Windows Internet Of Things. This time I played around with adding USB Web cameras to the Raspberry Pi. The code below will dynamically check for cameras as they get connected and disconnected from the device. It runs on Windows IoT, so works on…

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Getting started with Windows Internet of Things (Windows IoT)

With just a few items you can get started building apps for Windows Internet of Things using VB, C# or C++ on a Raspberry Pi 3. The Pi is a small quad core 64 bit ARM processor clocked at 1.2 GHz. It has built in blue tooth, WiFi, Ethernet, HDMI, and 4 USB ports. Read…

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Cannot open include file: ‘metahost.h’: No such file or directory

You might upgrade your Visual Studio Project to VS 2017 and you might get errors like: 1>c:\memspect\vsassert\pch.h(20): fatal error C1083: Cannot open include file: ‘metahost.h’: No such file or directory On  machine with an older version of Visual Studio, I found metahost.h at: c:\Program Files (x86)\Windows Kits\8.1\Include\um\metahost.h Looking at the file, I see that there…

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Faster monkeys

Last time I showed how to simulate monkeys typing on typewriters, using letter frequencies based on input text, like Hamlet’s soliloquy. The results were remarkably similar to the input text, but the output was relatively slow. Below is a version that has the “Optimum” option that outputs much faster if the “-o” command line parameter…

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More Shakespearean Monkeys

  While I was in high school, I attended a lecture at Yale University in 1974 about monkeys at a typewriter by William R. Bennet, Jr, one of the inventors of the helium-neon laser. Quote: He was also frequently seen at various sites around the Yale campus collecting data for his popular course on “The…

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