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Cheat Sheet: Adding Math Notation To Markdown

Wed, 02 Jul 2025 15:00:00 +0100

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

Edge Browser as a PDF Viewer & Markup

Sun, 27 Apr 2025 11:07:00 +0100

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.

Bash: Productivity Shortcuts

Wed, 20 Mar 2024 08:00:00 +0100

Working within a command line environment, like a Bash session, can be far more productive that using a graphical user interface. Here’s a collection of shortcuts.

How To Use A Passkey with SSH

Wed, 13 Mar 2024 08:34:00 +0100

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

Windows 11, 2024 Snipping Tool Fix Save Location

Sat, 24 Feb 2024 13:34:00 +0100

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.

Add Diagrams To Markdown Using Mermaid

Tue, 23 Jan 2024 15:00:00 +0100

Mermaid provides a markup language to describe diagrams. Describing diagrams in text brings many advantages.

Getting Started With Markdown

Tue, 23 Jan 2024 12:16:00 +0000

Markdown is a plain text format for writing structured documents. Writing Markdown is a great way to take notes, the author spends less time distracted by formatting and more time focusing on content.

Launching Windows Apps From Within WSL

Mon, 22 Jan 2024 10:29:00 +0100

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

PowerShell: Adding Colour & Icons to File Listings

Thu, 28 Dec 2023 11:34:00 +0100

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

Add UML & Other Diagrams To Markdown With PlantUML

Wed, 11 Oct 2023 10:00:00 +0100

PlantUML provides an extensive markup language to describe diagrams. The resulting diagrams can be exported to many formats, including graphics files such as .png, .svg and document formats such as .pdf and .html.

Switch to USB-C for ThinkPad Charging

Thu, 06 Jul 2023 14:13:00 +0100

While some models of ThinkPad can charge by their USB-C port, there are many that can only be charged via the yellow rectangular power socket, referred to by Lenovo as “slim tip”.

The result being you may end up carrying two chargers around with you… a hefty ThinkPad brick with a mains plug and a compact USB-C charger for your other devices.

Recent advances in the USB-C specification allow for higher power USB-C charging.

This means you can replace the bulky ThinkPad charger with a more versatile USB-C one and embrace a lighter charging solution.

MySQL: Running SQL Scripts From the Command Line

Sat, 08 Oct 2022 08:00:00 +0100

MySQL can be accessed from the command line interface (CLI). Here’s how to run SQL scripts from the CLI.

Use An Alias To Quickly Find Your IP Address - Windows & Linux

Fri, 07 Oct 2022 05:37:01 +0000

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.

How To Avoid Long OneDrive Folder Names

Sun, 04 Sep 2022 14:13:00 +0100

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 SSH To Remote Server With FIDO2 + Hardware Key (YubiKey) Multi Factor Authentication MFA / 2FA

Sun, 03 Jul 2022 08:34:00 +0100

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.

Raspberry Pi Pretty Prompt, With... Oh My Posh, LSD & CPUfetch / Neofetch

Mon, 09 May 2022 15:00:00 +0100

Give your Raspberry Pi’s command-line a boost by adding Oh My Posh and add a few other neat utilities. Before starting, make sure your Pi is running a 64bit operating system, such as Raspberry Pi OS , Ubuntu 22.04 LTS Desktop or Server and Manjaro 22.04 .

Working With Python Virtual Environments

Wed, 20 Apr 2022 12:01:01 +0000

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

MySQL: Starting & Stopping the Server

Tue, 08 Mar 2022 08:00:00 +0100

The MySQL server runs as a background service. Be default, it is set to start automatically when Windows starts. You can manage this service from the Windows Services applet and from the command line.

Install Manim On Windows 11 & Windows 10

Wed, 02 Mar 2022 13:20:01 +0000

Manim is a Python based tool that creates animations of math and technical concepts.

MySQL: Import CSV Files

Tue, 02 Nov 2021 08:00:00 +0000

A single SQL statement can import a CSV file into a MySQL database table.

Make A Plan

Mon, 18 Oct 2021 07:00:00 +0100

Do you have something you want to achieve? Maybe something difficult, like complete a dissertation, get fit or build a table. Give yourself a better chance by making a plan. Here’s a quick guide on how to get started.

Browsing A WSL Distro In Explorer

Fri, 01 Oct 2021 11:37:01 +0100

If you have installed WSL and one or more linux distributions, it is possible to work with the contents of their file systems from within Windows Explorer.

MySQL and Windows Terminal

Mon, 20 Sep 2021 14:00:00 +0100

MySQL has it’s own terminal emulator, providing a command-line interface (CLI) for the direct input and execution of SQL commands and scripts.

LaTeX & KaTeX Math Rendering: The Double Backslash \\ in Markdown

Thu, 16 Sep 2021 08:00:00 +0100

The double backslash, ‘\\’, when specified in math formula in LaTeX and KaTeX might not render correctly. Here’s how to avoid that.

Markdown, Mathematical Expressions and VSCode

Tue, 27 Jul 2021 10:00:00 +0100

Markdown documents can include elegant representations of algebraic formulae, using KaTeX.

About

Thu, 01 Jul 2021 00:00:00 +0000

This is a personal blog site, providing technical how-to guides I’ve written up during my own learning. Content varies, the main focus relates to computer science. Current personal interests… software development programmings languages documentation user experience, accessibility operating systems

Mon, 01 Jan 0001 00:00:00 +0000