This page is a link page to various tips that I’ve mostly published. in blog  entries.

• A fast random-number generator in C.
• atexit – the function that gets called when a program terminates.
• Counting bits in C. An ingenious and totally unintuitive line of code!
• How to calculate how effective a card riffle is. Measuring how far cards move from their original place in the deck.
• How to change the Raspberry Pi timeout period. It’s 10 minutes by default. Make it longer!
• How to create an alphabet image in C#. I’ve used this…
• How to grab one or more screens on a Raspberry Pi. Use scrot.
• How to install VS Codium on a Raspberry Pi. An alternative to Visual Studio Code.
• How to Install WSL2 and Linux on Windows 10. Run Linux in Windows.
• How to run C snippets quickly. Without needing a whole compileable C program.
• How to stop access to Global variables in C.  Stopping access to variables declared in other source files.
• How to use Indexed Sequential Access Files. The perfect file storage for C.
• Identifying a Linux system in code. Doing the same as the uname command in code.
• Install Clang and Visual Studio Code on Ubuntu
• Link to genuinely free (i.e. not pirated) programming books on C,C++ and more.
• Logging on Windows – OutputDebugString. How to output debug information in a Windows application and view it.
• MonoGame – How to make a clickable Button.
• Raspberry Pi temperature code. How to read the temperature in c code.
• Return values from constructors. A useful C++ technique.
• sodium – a library for generating cryptographically safe random numbers.
• The missing sgn function. How to program the signum function (aka sgn) in C.
• Two tricks in Visual Studio Code. Matching braces and collapsing code blocks.
• Using Devart’s Code Compare to compare two source files and spot the differences and changes.
• Using printf type variable parameters in your function
• Using recursive fill to count maps.  The fastest way to count island squares.
• Using rsyslog to log. How to output debug information in a Linux application.
• Using SDL on Linux. Installing the libsdl game library.
• View disassembled C/C++ code in Visual Studio Code. With the help of an extension.
• Visual Studio Code on ARM. How to install and run on a raspberry-pi.
• Writing your own variadic functions.  How to write functions that use …

Free Resources

• Eric Matyas SoundImage.org. An excellent source of music, sound fx and images all for a simple attribution.