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class Dog:
    def __init__(self, name, age):
        self.name = name
        self.age = age
        pass

    def bark(self):
        print("bark bark!")

    def doginfo(self):

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import cv2

filename = "/path/to/some_image.png"
image = cv2.imread(filename)

# Docs are here: https://docs.opencv.org/3.4/de/dc3/classcv_1_1QRCodeDetector.html
detector = cv2.QRCodeDetector()

data, vertices_array, binary_qrcode = detector.detectAndDecode(image)
if vertices_array is not None:

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#!/bin/bash

# Run: 
#     aws backup list-recovery-points-by-backup-vault --backup-vault-name aft-controltower-backup-vault | jq --raw-output ".RecoveryPoints[].RecoveryPointArn" > /tmp/aft_recovery_point_arns.txt
# first to get the list of recovery points to delete. Then run this script with the filename as the argument
# e.g.
#     aft_delete_recovery_points.sh /tmp/aft_recovery_point_arns.txt

while read -r line; do
  echo "deleting recovery point: $line"

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#!/bin/bash

curl \
  --header "Authorization: Bearer $TOKEN" \
  --header "Content-Type: application/vnd.api+json" \
"https://app.terraform.io/api/v2/workspaces/$WORKSPACE_ID/vars" > temp_vars_file.json

cat temp_vars_file.json | jq -r '.data[].attributes | "\(.key)=\(.value)"' > myvars.tfvars

# Ensure we have quotes around values

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#!/bin/bash

# Add git branch name to end of the shell prompt
source /etc/bash_completion.d/git-prompt

# Git bit is just '\[\033[02;03;31m\]$(__git_ps1 " (%s)")\[\033[00m\]' and explained below
# [033                  - Set the terminal colours and formatting
# [02;03;               - light font (not bold)
# 03;                   - italic
# 31m                   - red colour

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#!/usr/bin/bash

# Setup our files
mkdir hashtest
echo hello > hashtest/file1.txt
echo foo > hashtest/file2.txt
echo bar > hashtest/file3.txt
mkdir hashtest/subdir
echo baz > hashtest/subdir/file4.txt
echo hello > hashtest/subdir/file5.txt

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#!/usr/bin/python3

# NOTE: Requires the python3-apt package

import apt
import apt_pkg
import json

need_upgrade = []

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#!/bin/bash

aws --profile dev \
ec2 describe-instances \
--query 'Reservations[].Instances[].[InstanceId,Tags[?Key==`Name`].Value[],NetworkInterfaces[].Association.{IP:PublicIp}]'

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Bash Snippets

Find AWS EC2 instance by id

aws --profile dev ec2 describe-instances | jq '.Reservations[].Instances[] | select(.InstanceId == "i-0abcdefe412345678")'

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const express = require('express')
const app = express()
const port = 3000
const NAME = process.env.NAME || "World"

app.get('/', (req, res) => {
  res.send('Hello ' + NAME + '!')
})

app.listen(port, () => {