TrebledJ's Profile

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About Me

Hi! (。^ ᴗ^)ノ I'm Johnathan, a passionate problem-solver, software engineer, infosec enthusiast, and amateur music composer. I enjoy teaching others and thrive on learning new things. When not immersed in programming, I can be found taking walks, reflecting on life, and occasionally indulging in CTF challenges.

Lately, I've been diving deeper into penetration testing and working on a variations on a theme.

When it comes to personal preferences, I have an affinity for the sleek allure of dark mode. And yes, I must confess, I'm a fan of the controversial delightful combination of pineapple on pizza.

Featured Music


The people walking in darkness
have seen a great light;
on those living in the land of deep darkness
a light has dawned.

– Isaiah 9:2

What is a relay? A race—passing a baton from one to the next. The passing of packets by a router or a gateway server. Or used plainly as a verb without technicalities, a relay may simply mean to receive and pass on information.

It's worth taking a moment to reflect: what are we relaying? As time passes, more responsibility falls on...


Amorama was composed for a fun little musical challenge on the theme of love ❤️ with the constraint of using the rarely-sighted 13/16 metre. Often, music is made for more balanced, basic metres such as 4/4, 3/4, and 6/8. For some reason, we seem to prefer small subdivisions of 2 or 3. We can still apply this principle with 13/16 though, and it turns out that's what most contestants did. :)

I chose to blend Cuban rhythms, some sweet little tunes...