Erol

class TestWorker < ApplicationWorker
  sidekiq_options retry: false, queue: 'test'

  def perform
    Sidekiq::Batch.new.tap do |batch|
      batch.on(:death, 'TestWorker#on_death')
      batch.jobs do
        SampleWorker.perform_async
      end
    end

Erol

{
  "query": {
    "find": "items",
    "filter": {
      "parent_id": {
        "$oid": "..."
      },
      "$or": [
        {
          "title": {

Erol

require 'benchmark/ips'
require 'fast_attributes'
require 'virtus'
require 'attrio'
require 'anima'
require 'ethos/entity'

ATTR_NAMES = [:attr0, :attr1, :attr2, :attr3, :attr4, :attr5, :attr6, :attr7, :attr8, :attr9]

class FastIntegers

Erol

require 'benchmark'

Benchmark.bmbm do |bm|
  bm.report '1000 x Kernel#load wrap=false' do
    1000.times do
      load 'script.rb', false
    end
  end

  bm.report '1000 x Kernel#load wrap=true' do

Erol

require 'benchmark'

User.all.size
#=> 30000

# BEFORE
Benchmark.measure { User.all.select { |user| user.firstname =~ /Erol/ } }
#=>  66.630000   1.070000  67.700000 ( 67.868905)

# AFTER

Erol

require 'benchmark'

User.all.size #=> 30000

Benchmark.bm(30) do |bm|
  bm.report 'User Instances' do
    User.all
      .select { |user| user.lastname.downcase == 'erol' }
  end
  

Erol

require 'benchmark'
  
n = 100_000
 
Benchmark.bm(10) do |bm|
  bm.report('interpolation') { n.times { "#{ 1 }/#{ 2 }" } }
  bm.report('concatenation') { n.times { 1.to_s + '/' + 2.to_s } }
end

Erol

require 'benchmark'
 
s = ""
t = ""
 
n = 100_000
 
Benchmark.bm(10) do |bm|
  bm.report('String#+')   { n.times { s += "A" } }
  bm.report('String#<<')  { n.times { t << "A" } }

Erol

require 'benchmark'

def tap_method
  result = rand.tap {}
end

def non_tap_method
  result = rand
  result
end

Erol

http {
   if ($request_method = 'POST') {
      add_header 'Cache-Control' 'no-cache';
   }
}