dkam

Feedjira.parse(URI.open("https://blog.booko.com.au/feed/").read).entries.max_by {|e| e.categories.max_by {|c| c.length }.then {|c| c.length }  }

dkam

# https://isni.org/page/linked-data/
# https://isni.oclc.org:2443/isni/public_export/ISNI_persons.jsonld.gz

wget https://isni.oclc.org:2443/isni/public_export/ISNI_persons.jsonld.gz

# The file I downloaded was full of the 0x1E character, or ^^ in ASCII.  This will strip that

sed 's/\x1E//g' ISNI_persons.jsonld > cleaned_ISNI_persons.jsonld

# Then use JQ to convert the file into the way more sane JSONL format. By default, it tries to read it all into 

dkam

def random_isbn13
  isbn12 = rand(978_000_000_000..979_999_999_999).to_s
  chksum = (10 - isbn12.each_char.with_index.sum { |digit, i| digit.to_i * (i.even? ? 1 : 3) } % 10 ) % 10
  "#{isbn12}#{chksum}"
end

def risbn13 = rand(978_000_000_000..979_999_999_999).then {|isbn12| "#{isbn12}#{(10 - isbn12.to_s.each_char.with_index.sum { |digit, i| digit.to_i * (i.even? ? 1 : 3) } % 10 ) % 10}" }

dkam

class Favicon                                                                                                     
  def initialize(doc, url: nil)                                                                                   
    @doc = doc                                                                                                    
                                                                                                                  
    @url = if url                                                                                                 
      @url = URI(url.to_s)                                                                                        
    elsif canonical                                                                                               
      URI(canonical)                                                                                              
    else                                                                                                

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/