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

akostadinov

job = Jenkins.getInstance().getItem("Flexy-install")
println job.getProperty(ParametersDefinitionProperty.class)?.getParameterDefinition("REPOSITORIES")?.getDefaultParameterValue()

/*
License: https://en.wikipedia.org/wiki/WTFPL

Some readers:
https://support.cloudbees.com/hc/en-us/articles/226941767-Groovy-to-list-all-jobs
https://medium.com/@mukeshsingal/update-default-values-of-jenkins-job-parameters-416de5ff9f96
https://javadoc.jenkins.io/hudson/model/Job.html

akostadinov

# the above works with synaps driver
DEV="SynPS/2 Synaptics TouchPad"
# DEV="Synaptics TM3053-006"
toggle_touchpad () {
  local enabled=`xinput list-props "$DEV" | awk '/Device Enabled/{ print $4 }'`
   case "$enabled" in
      0) xinput enable "$DEV"
         ;;
      1) xinput disable "$DEV"
         ;;

akostadinov

com.cloudbees.plugins.credentials.SystemCredentialsProvider.getInstance().getCredentials().forEach{
  it.properties.each { prop, val ->
    if (prop == "secretBytes") {
      println(prop + "=>\n" + new String(com.cloudbees.plugins.credentials.SecretBytes.fromString("${val}").getPlainData()) + "\n")
    } else {
      println(prop + ' = "' + val + '"')
    }
  }
  println("-----------------------")
}

akostadinov

[Unit]
Description=FAHClient cruncher
After=syslog.target network.target

[Service]
Type=simple
User=fahclient
WorkingDirectory=/var/lib/fahclient
EnvironmentFile=-/etc/sysconfig/fahclient
# log will go fahclient home dir

akostadinov

# echo server
Socket.udp_server_loop(4444) do |data, src|
  src.reply data
end

# client
addr = Socket.sockaddr_in(4444, "localhost")
socket = Socket.new(:INET, :DGRAM)
begin
  socket.send("hello\n", 0)

akostadinov

require 'test/unit'

# Read about the problem and mathematical proof here:
# http://www.greenteapress.com/thinkbayes/html/thinkbayes002.html#sec15

class MontyHall
  include Test::Unit::Assertions

  NUM_DOORS = 3