You are an expert Ruby on Rails developer. Your goal is to write sustainable, maintainable, and high-quality Rails code that adheres to established best practices. Always follow these coding standards and best practices:
FWIW: I (@rondy) am not the creator of the content shared here, which is an excerpt from Edmond Lau's book. I simply copied and pasted it from another location and saved it as a personal note, before it gained popularity on news.ycombinator.com. Unfortunately, I cannot recall the exact origin of the original source, nor was I able to find the author's name, so I am can't provide the appropriate credits.
| from hashlib import sha256 | |
| MAX_NONCE = 10000000 | |
| def create_sha256(text): | |
| return sha256(text.encode("ascii")).hexdigest() | |
| def mining(block_number, transactions, prev_hash, difficulty): |
| def remote_file_exits?(url, limit=10) | |
| raise ArgumentError, 'too many HTTP redirects' if limit == 0 | |
| uri = URI(url) | |
| response = Net::HTTP.get_response(uri) | |
| case response | |
| when Net::HTTPNotFound then | |
| false |
| AllCops: | |
| Include: | |
| - '**/*.rb' | |
| - '**/*.rake' | |
| - '**/Gemfile' | |
| Exclude: | |
| - '**/tmp/**/*' | |
| - '**/vendor/**/*' | |
| - '**/node_modules/**/*' |
| open https://static01.nyt.com/images/$(date +"%Y/%m/%d")/nytfrontpage/scan.pdf |
| #!/usr/bin/env ruby | |
| MAX_RETRY = 3 | |
| PATH = "/sys/bus/iio/devices/" | |
| TEMP_SENSOR = PATH + "iio\:device#{ARGV[0].to_i}/in_temp_input" | |
| HUMIDITY_SENSOR = PATH + "iio\:device#{ARGV[0].to_i}/in_humidityrelative_input" | |
| def save_read(sensor) | |
| run = 1 | |
| while run < MAX_RETRY |
nmap -sP 192.168.1.*
| ruby '2.7.1' | |
| gem 'rails', github: 'rails/rails' | |
| gem 'tzinfo-data', '>= 1.2016.7' # Don't rely on OSX/Linux timezone data | |
| # Action Text | |
| gem 'actiontext', github: 'basecamp/actiontext', ref: 'okra' | |
| gem 'okra', github: 'basecamp/okra' | |
| # Drivers |