The secret, better way to get from Melbourne to Adelaide by V/Line

According to the PTV website, V/Line operates a service between Melbourne and Adelaide, via Bendigo. This is described by a V/Line timetable as the ‘Adelaide Daylink’. The journey is lengthy, but economical, particularly for those on concession fares or with large amounts of… »

Forwarding game controllers and other input over SSH

Various systems exist for remotely controlling Linux systems, such as VNC, Synergy/Barrier and other protocols like SPICE and NX. These systems, however, tend to operate at a high level, and are consequently limited in scope. For example, none of these systems support relative mouse… »

Ukulele chords from first principles: Part 2

In part 1, we derived all the common major, minor and seventh chords on the ukulele. We will now derive the remainder of the common chords – suspended (sus2/sus4), add9 (add2), augmented and diminished seventh chords.

Suspended (sus2/sus4) chords

We begin by considering the… »

Ukulele chords from first principles: Part 1

This post demonstrates the derivation of all the major, minor and seventh (major, minor and dominant) chords on the ukulele. This group of chords can be arranged in a simple sequence that aptly demonstrates the relationship between the notes of the chords and their fingerings. … »

CIGMAH Grand Prize donation distributions

This year, I was the winner of the inaugural Coding Interest Group in Medicine and Healthcare (CIGMAH) Puzzle Hunt Grand Prize, with a value of $150. I have now distributed the prize funds to the following charitable and not-for-profit causes:

Relative mouse and keyboard input over SSH (or: I just want to play Minecraft)

Background

VNC allows viewing and control of a host computer over a network. However, VNC's mouse support uses absolute mouse positions, and is ineffective when the host computer's mouse cursor is programmatically repositioned. This poses a challenge for use cases such as 3D video gaming,… »