Chris Howlett asilano
waffleau
/ extract_dominant_colors.rb
Last active
March 27, 2024 10:22
Extract dominant colours from an image in Ruby using MiniMagick
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| def self.extract_dominant_colors(image_path, quantity=5, threshold=0.01) | |
| image = MiniMagick::Image.open(image_path) | |
| # Get image histogram | |
| result = image.run_command('convert', image_path, '-format', '%c', '-colors', quantity, '-depth', 8, 'histogram:info:') | |
| # Extract colors and frequencies from result | |
| frequencies = result.scan(/([0-9]+)\:/).flatten.map { |m| m.to_f } | |
| hex_values = result.scan(/(\#[0-9ABCDEF]{6,8})/).flatten | |
| total_frequencies = frequencies.reduce(:+).to_f |
Karreg
/ docker-cleanup.sh
Last active
October 28, 2020 07:08
Script to cleanup Docker leftovers, related to https://github.com/moby/moby/issues/22207
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| #!/bin/bash | |
| echo "WARN: This will remove everything from docker: volumes, containers and images. Will you dare? [y/N] " | |
| read choice | |
| if [ \( "$choice" == "y" \) -o \( "$choice" == "Y" \) ] | |
| then | |
| sudo echo "> sudo rights [OK]" | |
| sizea=`sudo du -sh /var/lib/docker/aufs` |