Coding Relic

Random musings on software in an embedded world.

Wednesday, July 24, 2024

Germany trip 7.2024

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Diverging from the usual topics: we took the whole fam to Germany this summer. We arrived in Frankfurt on July 5, and took a train to Bingen...
Friday, June 7, 2024

Rivian Updates R1 Models

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Rivian’s revised R1 vehicles look really nice. They focussed strongly on production cost, to make each vehicle sale more profitable. Their r...
Wednesday, May 29, 2024

Heat Pump Water Heaters and Residential Engineering Departments

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A few weeks ago the US Department of Energy finalized efficiency requirements for residential electric tank water heaters . The efficiency r...
Tuesday, May 14, 2024

Residences as Utility Infrastructure

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The universal first troubleshooting step is to reboot. No matter what the product is, no matter what the problem is, try turning it off and ...
Saturday, April 27, 2024

SF Climate Week 2024 Fini

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SF Climate Week is drawing to a close. For me the highlight was being in the audience for a live recording of the My Climate Journey podcas...
Monday, April 22, 2024

SF Climate Week 2024

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This is SF Climate Week , a week of talks and events about climate change mitigation, adaptation, and solutions. Many of the...
Friday, February 2, 2024

Unwitting Salary Survey Participant

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I had a call with the head of HR for a company whose mission and product look interesting, dealing with renewable energy. The head of HR is ...
Friday, July 23, 2021

Kthubernetes

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Inconceivable: zero hits for "Kthubernetes" ? Unacceptable. This will not stand.
Thursday, November 28, 2019

gdaldem color-relief is my BFF

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When working with geospatial data and maps, an effective way to communicate in email is to send images highlighting the specific thing one w...
Monday, September 9, 2019

Mini-split Heat Pump Installation

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We live in a home which was built in 1963, older than we are. The structure has some great attributes and some not-so-great attributes. Amon...
Monday, August 12, 2019

LED bulbs for FLOS Fucsia light fixtures

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The home we currently live in had a FLOS Fucsia 8 light fixture in the dining room when we moved in. The look of the fixture and the gentle...
Monday, July 1, 2019

Discourse.org SSO with gitlab.com

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A previous post discussed how to set up a Discourse forum to run as a service within JupyterHub. Though this makes the forum appear within ...
Sunday, June 9, 2019

ipywidgets.Text background-color

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This took some time to figure out so I'll post it here in hope it helps someone else. To set the color of an ipywidgets Text box using C...
Wednesday, June 5, 2019

Discourse as a JupyterHub Service

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JupyterHub is a system for managing cloud-hosted Jupyter Notebooks, allowing users to log in and spawning a notebook or Jupyterlab instance...
Monday, June 3, 2019

JupyterHub open lab notebook at login

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Instructions for JupyterHub configuration state that to start JupyterLab by default, one should use a configuration of: c.Spawner.args = [...
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