Locke23rus

https://blog.skylight.io/hunting-for-leaks-in-ruby/
http://www.be9.io/2015/09/21/memory-leak/
https://samsaffron.com/archive/2015/03/31/debugging-memory-leaks-in-ruby

Locke23rus

Allocated String Report
-----------------------------------
      9720  "TrainingLogSportParamValue"
      2300  /usr/local/lib/ruby/gems/2.3.0/bundler/gems/db-charmer-2efc0e10d3be/lib/db_charmer/active_record/class_attributes.rb:49
      2270  /usr/local/lib/ruby/gems/2.3.0/bundler/gems/db-charmer-2efc0e10d3be/lib/db_charmer/active_record/class_attributes.rb:20
      2110  /usr/local/lib/ruby/gems/2.3.0/bundler/gems/db-charmer-2efc0e10d3be/lib/db_charmer/active_record/class_attributes.rb:82
      1150  /usr/local/lib/ruby/gems/2.3.0/gems/activerecord-4.2.5/lib/active_record/connection_adapters/abstract/connection_pool.rb:606
       940  /usr/local/lib/ruby/gems/2.3.0/bundler/gems/db-charmer-2efc0e10d3be/lib/db_charmer/active_record/class_attributes.rb:30
       840  /usr/local/lib/ruby/gems/2.3.0/gems/activerecord-4.2.5/lib/active_record/scoping.rb:14
        40  /usr/local/lib/ruby/gems/2.3.0/gems/activerecord-4.2.5/lib/active_record/core.rb:221

Locke23rus

$ crystal regex.cr 
Syntax error in ./regex.cr:1: invalid regex: support for \P, \p, and \X has not been compiled at 4

puts "  \# ".gsub /\\(\p{P})/, '\1'

Locke23rus

MRI

$ ruby -v
ruby 2.2.0p0 (2014-12-25 revision 49005) [x86_64-linux]

$ ruby slow_require.rb
3.15ms - time
21.05ms - oj/error
85.68ms - not_exist_file1

Locke23rus

N = 7

tmp_array = Array.new(N) { Array.new(N) { 0 } }
result = Array.new(N) { Array.new(N) { 0 } }

k = 0

N.times do |i|
  N.times do |j|
    k += 1

Locke23rus

Пять самых клевых чуваков,
Которых нет милей и краше,
Пять гениальнейших умов,
Творят на Благо Эйч2Раша.

Вот Шалико - надежный друг,
В беде поможет всем вокруг,
Ему усталость не почем,
Он лидер и знаток во всем.

Locke23rus

module Rubinius
  config = {}
  config[:config_file] = "/home/kirill/code/rubinius/config.rb"
  config[:build_tool_gems] = [["rubinius-ast", "2.0.8"], ["rubinius-compiler", "2.0.4"], ["rubinius-melbourne", "2.0.0.19"], ["rubinius-processor", "2.0.1"], ["rubinius-toolset", "0.1.1"], ["ffi2-generators", "0.1.1"]]
  config[:build_c_ext_gems] = [["rubysl-etc", "2.0.3"], ["rubysl-fileutils", "2.0.2"], ["rubysl-mkmf", "2.0.1"], ["rubysl-shellwords", "2.0.0"]]
  config[:rubygems_gems] = [["psych", "2.0.1"], ["rubysl-date", "2.0.5"], ["rubysl-delegate", "2.0.0"], ["rubysl-digest", "2.0.2"], ["rubysl-fcntl", "2.0.4"], ["rubysl-monitor", "2.0.0"], ["rubysl-net-http", "2.0.4"], ["rubysl-net-protocol", "2.0.1"], ["rubysl-openssl", "2.0.0"], ["rubysl-optparse", "2.0.1"], ["rubysl-ostruct", "2.0.4"], ["rubysl-resolv", "2.0.0"], ["rubysl-socket", "2.0.1"], ["rubysl-stringio", "2.0.0"], ["rubysl-strscan", "2.0.0"], ["rubysl-tempfile", "2.0.0"], ["rubysl-thread", "2.0.2"], ["rubysl-time", "2.0.3"], ["rubysl-timeout", "2.0.0"]

Locke23rus

                           user     system      total        real
via_uniq_and_count     6.340000   0.000000   6.340000 (  6.356359)
via_each               1.250000   0.000000   1.250000 (  1.259036)

Locke23rus

require 'text-table'

class SpiralMatrix

  DIRECTIONS = [
    { x: 1, y: 0 },
    { x: 0, y: 1 },
    { x: -1, y: 0 },
    { x: 0, y: -1 }
  ]

Locke23rus

# Стандартные роуты для collection
#        pages GET    /pages(.:format)             pages#index
#              POST   /pages(.:format)             pages#create
#     new_page GET    /pages/new(.:format)         pages#new
#
# Стандартные роуты для member
#    edit_page GET    /pages/:id/edit(.:format)    pages#edit
#         page GET    /pages/:id(.:format)         pages#show
#              PUT    /pages/:id(.:format)         pages#update
#              DELETE /pages/:id(.:format)         pages#destroy