akostadinov

#!/usr/bin/env bash 

# based on https://stackoverflow.com/a/61525373/520567

# you can play with -metadata and file name as you see fit

set -efu

videoFile="$1"
ffprobe -hide_banner \

akostadinov

;FFMETADATA1
major_brand=mp42
minor_version=0
compatible_brands=mp42mp41
title=Sharks Group Video Film.mp4
comment=some comment
encoder=Lavf58.76.100

[CHAPTER]
TIMEBASE=1/1000

akostadinov

require 'cucumber/core/filter'

# put inside features/support/
class PrintOnlyCukeFilter < Cucumber::Core::Filter.new
  def test_case(test_case)
    announce
    print_file_for(test_case)
  end

  private

akostadinov

require "rack"

def pp(hash)
  hash["HTTP_ACCEPT"].include?("text/html") ? pp_html(hash) : pp_plain(hash)
end

def pp_plain(hash)
  hash.map {|key,value| "#{key}: #{value}"}.sort.join("\n")
end

akostadinov

def dump_config(object = Rails.application.config.class.class_variable_get(:@@options)) 
  case object
  when Array
    object.map { |v| dump_config(v) }
  when Hash
    Hash[ object.map { |key, value| [key, dump_config(value)] } ]
  when TrueClass, FalseClass, Numeric
    object
  else
    object.to_s

akostadinov

#!/usr/bin/env bash

# example: ./font_find.sh 🎩︎

# credits: David Baynard, https://unix.stackexchange.com/a/393740/14907

param="$1"
char=${param:0:1}
printf '%x' \'"$char" | xargs -I{} fc-list ":charset={}"

akostadinov

# https://www.jdoodle.com/execute-ruby-online/

def amicable?(int1, int2)
    sum_proper_divisors(int1) == int2 && sum_proper_divisors(int2) == int1
end

def sum_proper_divisors(num)
  (1..num/2).select { |i|
    num%i == 0
  }.sum

akostadinov

INDENT_SIZE = 2

def pretty_jsonify(struct, indent=0)
  case struct
  when Array
    "[\n" + indent_str("", indent+INDENT_SIZE) +

    struct.map { |value|
      pretty_jsonify(value, indent+INDENT_SIZE)
    }.join(",\n#{indent_str('', indent+INDENT_SIZE)}") +

akostadinov

import jenkins.model.Jenkins

def numCancels = 0;
Jenkins.instance.getAllItems(Job.class).each{ 
  def job = it
  for (build in job.builds) {
    if (build.isBuilding()) { build.doStop(); numCancels++; }
  }  
}

akostadinov

require 'json'
require 'uri'
require 'csv'

# too bad we lack variable size lookbehind
bytes_re = /((?:\\\\)+|[^\\])(?:\\u[0-9a-f]{4})+/

friends_txt = File.read('friends.json').gsub(bytes_re) do |bad_unicode|
  $1 + eval(%Q{"#{bad_unicode[$1.size..-1].gsub('\u00', '\x')}"}).to_json[1...-1]
end