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sched

One off jobs in Mac OS X can be scheduled using the zsh command sched

to run a script in 10 minutes:

sched +600 /path/to/my-script.sh

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Mac OS X python virtual environments setup for new or existing projects

install pyenv

# install pyenv
curl https://pyenv.run | bash

# set env vars to support pyenv
echo 'export PYENV_ROOT="$HOME/.pyenv"' >> ~/.zshrc

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Git diff: double dots vs tripple dots

• double dots: simple diff
• tripple dots: common ancestor diff

Examples

Use double dots (..) to show changes in the feature branch that are not in the parent.

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Audio/sound from Docker container on M1 MacBook PRO 2019

Install pulseaudio with brew

brew install pulseaudio

NOTE: do not run pulseaudio as service wth brew. If started, stop the service.

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Specify differences between to branches and only files with a specific filename:

git diff topic..main -- './file1.txt' '**/file1.txt'

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jq

$ echo '{"foo": "bar", "biz": "baz"}' | jq -r '.[]'
bar
baz

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Mac Keyboard Symbols

• µ mu Option + M Example: 27 µs
• ° degree Shift + Option + 8 Example: 32°C

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Moving/Renaming Terraform Resources

We have several resources manually created using the AWS Console. I want to manage these resources with Terraform. Originally, I had imported these resources into the Terraform state using individual files. Instead, I should have used modules. I tried moving my files into modules and then using the module to refer to the resource, but the namespace was incorrect. Applying changes at this point would have destroyed and recreated the resources, which is unnecessary.

This is how I moved the resources within the state. This should work for any resource listed in the Terraform state.

Setup the modules

Copy over any resouces declarations to the module format. I didn't rename anything, but I think it is possible at this point.

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Github Actions - sharing string files between jobs

Store multiline string as base64 -w 0 job output, and consume in subsequent job.

jobs:
  build:
    runs-on: ubuntu-latest
    outputs:
 envFile: ${{ steps.tempEnvFile.outputs.envFile }}

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#!/bin/bash

if test -z "$1"; then
    echo "Usage: $0 <prompt>"
    exit 1
fi

if test -z "$OPENAI_API_KEY"; then
    echo "OpenAI key is missing - \$OPENAI_API_KEY must be set"
    exit 1