AlxGolubev

`bundle config build.libv8 --with-system-v8`

then run 

`bundle install`

AlxGolubev

Enumerable#methods:
  all?            detect      each_slice        entries   find_all  group_by  lazy   max_by   min_by     none?      reduce        slice_when  to_set
  chunk           each_cons   each_with_index   exclude?  flat_map  index_by  many?  member?  minmax     one?       slice_after   sort_by
  collect_concat  each_entry  each_with_object  find      grep      inject    max    min      minmax_by  partition  slice_before  sum
JSON::Ext::Generator::GeneratorMethods::Array#methods: to_json_without_active_support_encoder
V8::Conversion::Array#methods: to_v8
Columnize#methods: columnize  columnize_opts  columnize_opts=
Array#methods:
  &       as_json      concat      empty?            fourth        keep_if             product               rindex     size        to_a                                 to_xml
  *       assoc        count       eql?              from          last                push                  rotate     slice       to_ary                               transpose

AlxGolubev

При выполнении сложных запросов, часто бывает необходимо выполнить предзагрузку данных об ассоциациях какой либо модели. Обычно сложные запросы выполняються через find_by_sql, например

Post.find_by_sql "SELECT p.name, c.author FROM posts p, comments c WHERE p.id = c.post_id"
> [#<Post:0x36bff9c @attributes={"title"=>"Ruby Meetup", "first_name"=>"Quentin"}>, ...]

Чтобы при вывзове ассоциаций объектов избежать проблемы с select(n+1) запросами в Rails существует eager-loading, например:

AlxGolubev

-Xms128m
-Xmx1024m
-XX:MaxPermSize=1024m
-XX:ReservedCodeCacheSize=128m
-XX:+UseCodeCacheFlushing
-XX:+UseCompressedOops
-agentlib:yjpagent=probe_disable=*,disablealloc,disabletracing,onlylocal,disableexceptiontelemetry,delay=10000,sessionname=RubyMine80

AlxGolubev

{
   "_index":"agreement_versions_development",
   "_type":"agreement_version",
   "_id":"294",
   "_score":1.7475108,
   "_source":{
      "agreement":{
         "template":{
            "name":"Software Licensing Agreement",
            "uuid":"23fbd237-2923-48dc-898e-bd13d8f3c392"

AlxGolubev

class JobsMover
  BATCH_SIZE = 100

  def initialize(original_queue, klass)
    @original_queue = Sidekiq::Queue.new(original_queue)
    @klass = klass
  end

  def move
    jobs = @original_queue.select { |job| job.item['class'] == @klass }

AlxGolubev

UPDATE users SET preferences = jsonb_set(to_jsonb(preferences), '{some_preference}'::text[], 'true'::jsonb, true);

AlxGolubev

const R = require('ramda')

const kind = 'desc'

let collection = {
  nodes: [
    {
      name: 'Items',
      children: [
        {

AlxGolubev

import {
  FILTER_CATEGORIES_CONSTANTS,
  generateInitialObjForAdvSearchFilters
} from 'routes/AdvanceSearch/helpers/Utils'

export const ADVANCE_SEARCH_FILTER_FORM_INITIAL = generateInitialObjForAdvSearchFilters(
  FILTER_CATEGORIES_CONSTANTS
)

AlxGolubev

module Resource
  def connection(routes)
    if routes.nil?
      puts "No route matches for #{self}"
      return
    end

    loop do
      print 'Choose verb to interact with resources (GET/POST/PUT/DELETE) / q to exit: '
      verb = gets.chomp