Lyndon Codes

Welcome to Lyndon Armitage's Blog.
I mostly write about programming and technology related subjects, for more information on me see my about page.

Any posts contained are my own opinions and musings and are not representative of my employer.

Recent Posts

Fixing a Kernel Panic after a Manjaro Update

This morning I ran into a major issue with my Manjaro Linux install. After an update and a reboot I was faced with this error (cut for brevity):

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Interfaces & Impetuous Defaults

A little bit of a cryptic title but bear with me, this is a post about how when you build an interface, or any code really, you should consider the effect of your decisions.

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Cancer Research UK London Winter Run 2023

An image of the Winter Run 2023 route

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Mindhammer: 24hr Warhammer Building & Painting Stream


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groupBy, groupByKey, and windowing in Spark

Recently at work I encountered a Spark job that had begun to intermittently fail after a long period of successes. Debugging Spark jobs is a skill in and of itself that I will touch on it lightly here, but in my evaluation of this job I found that:

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