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Karabiner layouts for symbols and navigation

Gavin Sinclair, January 2022

Introduction

I use Karabiner (configured with Gosu) to make advanced key mappings on my Apple computer. Karabiner allows you to create “layers”, perhaps simulating those on a programmable mechanical keyboard. I make good use of these layers to give me easy access (home-row or nearby) to all symbols and navigational controls, and even a numpad.

The motivation is to keep hand movement to a minimum. Decades of coding on standard keyboards has unfortunately left me with hand and wrist pain. I will soon enough own a small split keyboard which will force me to use layers to access symbols etc., so this Karabiner solution, which has evolved over months, is a training run for that.

groups:
# These sum(irate()) functions are in separate groups, so they run in parallel
- name: istio.workload.istio_request_duration_milliseconds_bucket
interval: 10s
rules:
- record: workload:istio_request_duration_milliseconds_bucket:rate1m
expr: |
sum(irate(istio_request_duration_milliseconds_bucket{reporter="source", source_workload!=""}[1m]))
by (
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