A quick-reference guide, with examples, on how to add math notation to Markdown documents.

Here’s how to use Passkeys to authenticate SSH connections.

The Snipping Tool in Windows 11, 2024, has a problem with the save location. The default location is the Pictures > Screenshots folder. Also the tool does not remember the last location used, unlike older versions of the Snipping Tool.

Here is how to fix it.

The interoperability provided by WSL enables calling or running Windows applications directly from within the Linux command line.

Adding icons and colour to folders and files improves the user experience in PowerShell.

Microsoft’s Edge browser supports viewing PDF files. It enables marking up PDFs with your own comments, highlights and drawings. Several keyboard shortcuts make for efficient navigation through a PDF.

Here’s how to create Alias commands to simplify tasks on the command line. The examples given relate to retrieving IP addresses. The process is shown for Linux using Bash and Windows using PowerShell.

If your employer or university provides you with Microsoft OneDrive, you’ll know how useful it can be. But the OneDrive folder name tends to be very, very long, like “OneDrive - The University of Quahog”. The long name can get in the way, for example when in the prompt of an IDE, in a terminal session or when browsing files in Explorer. One simple command, mklink, can fix that.

Windows ships with OpenSSH. Here’s how to update the version then use it with MFA option FIDO2 + a hardware security key, such as a YubiKey.

Here’s how to use virtual environments within Python projects to reduce the risk of version conflicts across Python projects.