vittorius

class Time
  TZ_ABBREVIATION_MAP = ActiveSupport::TimeZone.all.each_with_object({}) do |tz, hash|
    [tz.tzinfo.current_period.start_transition, tz.tzinfo.current_period.end_transition].each do |transition|
      hash.merge!(transition.offset.abbreviation.to_s => tz.tzinfo.name) if transition.present?
    end
  end.merge('UTC' => 'Etc/UTC').freeze

  class << self
    def tz_name_for(time_like)
      TZ_ABBREVIATION_MAP[time_like.zone]

vittorius

RSpec.configure do |config|
  # ...

  config.prepend(
    Module.new do
      %i[get post patch put delete head].each do |method|
        params_snippet = method.in?(%i[post patch put]) ? "args[:params] = args[:params].to_json" : ""
        module_eval <<~RUBY, __FILE__, __LINE__ + 1
          def #{method}(path, **args)
            if args.present? && args.values.none? { |v| v.is_a?(Rack::Test::UploadedFile) }

vittorius

--format RspecFlatErrorFormatter
--color
--require spec_helper

vittorius

ActiveRecord::Base.connection.tables.reject { |t| %w[schema_migrations ar_internal_metadata].include?(t) }.each { |t| ActiveRecord::Base.connection.execute("TRUNCATE #{t} CASCADE;") }

vittorius

class MyFormatter
  include ActiveSupport::TaggedLogging::Formatter # to get modified call that collects and prints your tags

  # define any custom logic in your formatter

  def call(...)
    
  end
end

vittorius

Keybase proof

I hereby claim:

• I am vittorius on github.
• I am vittoriuz (https://keybase.io/vittoriuz) on keybase.
• I have a public key ASACfV2YrUfvU5LBh9ZX-VGs1_ASxH6C2tdRHJEsZVC7RQo

To claim this, I am signing this object:

vittorius

# frozen_string_literal: true

require 'rails_helper'

# Haskell: result = operation_1 >>= operation_2 >>= operation_3
# Ruby:    result = a&.b&.c
# JS:      result = a?.b?.c

describe 'monads' do
  describe 'Result' do

vittorius

# frozen_string_literal: true

# The default Ruumba::RakeTask is pretty fragile, so we're going a simpler way
namespace :dev do
  desc 'Run ruumba linter on app/views'
  # rubocop:disable Rails/RakeEnvironment
  task :ruumba, :path do |_t, args|
    sh "bundle exec ruumba -c .ruumba.yml -e --force-exclusion '#{args.path || 'app/views'}'" do |ok|
      puts 'Ruumba has detected some offenses' unless ok
    end

vittorius

puts ActiveRecord::Base.connection.exec_query("SELECT   nspname AS schemaname,relname,reltuples FROM pg_class C LEFT JOIN pg_namespace N ON (N.oid = C.relnamespace) WHERE  nspname NOT IN ('pg_catalog', 'information_schema') AND  relkind='r' ORDER BY reltuples DESC;").rows.map { |row| "#{row.first}\t#{row.second}\t#{row.third}" }

vittorius

alias ctags="`brew --prefix`/bin/ctags" # on macOS, to avoid conflict with XCode ctags