paneq

# C:\Users\rober\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup
liquidctl initialize all
liquidctl --match kraken set pump speed 90
liquidctl --match kraken set fan speed  20 30  30 50  32 65  34 100
liquidctl --match Smart set sync color breathing 000080
liquidctl --match Smart set sync speed 50

paneq

  if (-f $document_root/system/maintenance.html) {
    return 503;
  }

  error_page 503 @maintenance;
  location @maintenance {
    internal;
    if ($http_accept ~ json) {
      return 503 "{}";
    }

paneq

module A
  def self.included(target)
    v = target.instance_methods.include?(:method_name)
    puts "in included: #{v}"
  end

  def self.append_features(target)
    v = target.instance_methods.include?(:method_name)
    puts "in append features before: #{v}"
    super

paneq

Books

• Reactive Microservices Architecture: free report by Lightbend CTO Jonas Bonér
• DDD Distilled
• Designing Data-Intensive Applications
• Domain-Driven Design: Tackling Complexity in the Heart of Software
• Implementing DDD
• CQRS Documents by Greg Young

Presentations

paneq

desc 'Runs test:units, test:functionals, test:integration together (also available: test:benchmark, test:profile, test:plugins)'
task :test do
  errors = %w(test:units test:functionals test:integration).collect do |task|
    begin
      Rake::Task[task].invoke
      nil
    rescue => e
      task
    end
  end.compact

paneq

namespace :db do
  def local_database?(config, &block)
    if config['host'].in?(['127.0.0.1', 'localhost', '192.168.30.1']) || config['host'].blank?
      yield
    else
      $stderr.puts "This task only modifies local databases. #{config['database']} is on a remote host."
    end
  end
end

paneq

class MyCommandHandler
  def initialize
    make_threadsafe_by_stateless
  end

  def call(cmd)
    local_var = cmd.something
    output(local_var)
  end

paneq

require 'pry'
require 'parser'
require 'parser/current'

class ConstToMethodRewriter < ::Parser::Rewriter
  def on_casgn(node)
    _, const_name, *args = node.children
    replace_range = node.location.expression
    const_value = args.first.location.expression.source

paneq

~/d/project (feature/delayed_job_pool|✚3…) $ cat tmp/pids/delayed_job.0.pid 
14702
~/d/project (feature/delayed_job_pool|✚3…) $ cat tmp/pids/delayed_job.1.pid 
14704
~/d/project (feature/delayed_job_pool|✚3…) $ ps aux | grep delayed
rupert           14702  72.9  2.9  4865820 481384   ??  R     9:43AM   3:25.55 delayed_job.0    
rupert           14704   0.0  2.8  4839192 467044   ??  S     9:43AM   3:26.31 delayed_job.1    
rupert           15205   0.0  0.0  4267752    360 s005  R+   10:18AM   0:00.00 grep --color=auto delayed

~/d/project (feature/delayed_job_pool|✚3…) $ kill -9 14702

paneq

require 'action_view'
require 'tmpdir'
require 'fileutils'
require 'optparse'

def check_syntax(path, options = {})
  erb = content(path)
  code = ruby_code(erb)
  eval("BEGIN { puts('ok'); return true }; #{code}", nil, path, 0)