dkam

# This ( https://gist.github.com/hatarist/675dc3debf6cf5f825b5c15aed4cbac0 ) with TOAST size formatting 

SELECT
  table_name,
  pg_size_pretty(table_bytes) AS table,
  pg_size_pretty(index_bytes) AS index,
  pg_size_pretty(toast_bytes) AS toast,
  pg_size_pretty(total_bytes) AS total
FROM (
  SELECT

dkam

#!/usr/bin/env ruby

require 'cgi'
require 'net/http'
require 'json'

abort("songlink <url>") if ARGV[0].nil?

def copy_to_clipboard(text) = IO.popen('pbcopy', 'w') { |clipboard| clipboard.puts text }

dkam

URI(url).tap {|u| u.query = URI.encode_www_form(CGI.parse(u.query || "").merge({ref: 123})) }

dkam

# Make add tags to the normal rails logger, accessed like `hc_logger.info("my log message")`
def hc_logger = @hc_logger ||= logger.tagged("HttpClients").tagged(self.class.name)

# Create a new logger as an instance variable for a class:

class MyServiceClass
  # .... 

  def my_logger = @my_logger ||= create_logger.tagged(self.class.name)

dkam

def bot_shedding(wait: 600, threshold: 1)
  require "sys/cpu"
  require "etc"

  # normalize the 1-minute load average based on processor count
  return unless Sys::CPU.load_avg[0] / Etc.nprocessors > threshold
  return unless DeviceDetector.new(request.user_agent).bot?

  logger.info("Shedding bots: Returning 503 / Retry-After: #{wait} for #{request.remote_ip} / #{request.user_agent}")

dkam

 /\b(?:97[89]-?)?(?:\d{1,5}-?)?(?:\d{1,7}-?)?(?:\d{1,6}-?)?\d{1,3}\b/

dkam

# This version works with files and urls. For URLs, it only downloads the chunks 
# of the file neccessary to calculate the hash.
#
# Author: Dan Milne

require "net/http"
require "uri"

module Moviehash
  class Error < StandardError; end

dkam

#!/usr/bin/env ruby

require 'bundler/inline'

gemfile do
  source 'https://rubygems.org'
  gem 'json'
  gem 'sys-filesystem'
end

dkam

def valid_json?(string)
  result = JSON.parse(string)

  result.is_a?(Hash) || result.is_a?(Array)
rescue JSON::ParserError, TypeError
  false
end

def valid_json(string, default: [])
  result = JSON.parse(string)

dkam

#!/usr/bin/env ruby

require 'open-uri'
require 'nokogiri'
VERSION = 0.1

def getter(url)
  URI.open(url,  "User-Agent" => "Curlr/#{VERSION}")
rescue OpenURI::HTTPError => e
  e.io