evtuhovich

<?php

/* This file is used by the Zabbix PHP web frontend.
 * It is pre-filled with the information asked during
 * installation of the zabbix-server-* package.
 */

global $DB;

$DB["TYPE"]      = "pgsql";

evtuhovich

ping ya.ru
PING ya.ru (87.250.250.3): 56 data bytes
Request timeout for icmp_seq 0
Request timeout for icmp_seq 1
64 bytes from 87.250.250.3: icmp_seq=0 ttl=54 time=2497.125 ms
64 bytes from 87.250.250.3: icmp_seq=0 ttl=55 time=2497.153 ms (DUP!)
64 bytes from 87.250.250.3: icmp_seq=0 ttl=54 time=2497.483 ms (DUP!)
64 bytes from 87.250.250.3: icmp_seq=0 ttl=55 time=2497.488 ms (DUP!)
64 bytes from 87.250.250.3: icmp_seq=1 ttl=54 time=2136.664 ms
Request timeout for icmp_seq 4

evtuhovich

#!/usr/bin/env ruby
#Dir.chdir File.join(__FILE__, "../..")
require 'openssl'

unless ENV['EDITOR']
  puts "No EDITOR found. Try:"
  puts "export EDITOR=vim"
  exit 1
end

evtuhovich

require 'rubygems'
require 'pg'
require 'yaml'

class DB
  def initialize(debug = true)
    @conn = PG::Connection.open()
    @debug = debug
  end

evtuhovich

Ruby
  принципиальное различие скриптовых и “обычных” языков
  3 принципа ООП
  реализация множественного наследования в ruby
  duck typing
  многопоточность в ruby
Rails
  что такое MVC и зачем это нужно
  локига в контроллере, должна ли быть и почему
  синхронные и асинхронные операции — предложить варианты решения

evtuhovich

$ cd .rvm/src/ree-1.8.7-2011.03/source/ext/readline/
~/.rvm/src/ree-1.8.7-2011.03/source/ext/readline$ ls
~/.rvm/src/ree-1.8.7-2011.03/source/ext/readline$ brew install readline
Warning: Formula already installed: readline
~/.rvm/src/ree-1.8.7-2011.03/source/ext/readline$ ruby extconf.rb --with-readline-dir=/usr/local/Cellar/readline/6.2.1/
checking for tgetnum() in -lncurses... yes
[...skiped...]
creating Makefile
~/.rvm/src/ree-1.8.7-2011.03/source/ext/readline$ make
cc -dynamic -bundle -undefined suppress -flat_namespace -o readline.bundle readline.o -L. -L/Users/brun/.rvm/rubies/ree-1.8.7-2011.03/lib -L/usr/local/Cellar/readline/6.2.1//lib -L.     -lreadline -lncurses  -L/opt/local/lib -ldl -lobjc  

evtuhovich

require 'rubygems'

# Rails on-screen logging

def change_log(stream)
  ActiveRecord::Base.logger = Logger.new(stream)
  ActiveRecord::Base.clear_active_connections!
end

def show_log

evtuhovich

  SQL (0.1ms)   SET client_min_messages TO 'panic'
  SQL (0.1ms)   SET standard_conforming_strings = on
  SQL (0.1ms)   SET client_min_messages TO 'notice'
  SQL (0.3ms)   SELECT count(*) AS count_all FROM "messages" 
  SQL (0.1ms)   BEGIN
  SQL (0.3ms)   INSERT INTO "messages" ("created_at", "author", "updated_at", "text") VALUES('2010-12-08 20:37:39.876065', 'test', '2010-12-08 20:37:39.876065', 'test') RETURNING "id"
  SQL (0.2ms)   INSERT INTO "messages" ("created_at", "author", "updated_at", "text") VALUES('2010-12-08 20:37:39.879843', 'test', '2010-12-08 20:37:39.879843', 'test') RETURNING "id"
  SQL (22.8ms)   COMMIT
  SQL (0.2ms)   SELECT count(*) AS count_all FROM "messages" 

evtuhovich

require 'config/environment'

puts Message.count

Message.transaction do
  Message.create! :author => 'test', :text => 'test'

  Message.transaction(:requires_new => true) do
    Message.create! :author => 'test', :text => 'test'

evtuhovich

# File 1.rb, use rails 2.3.10

require 'config/environment'

puts Message.count

Message.transaction do
  Message.create! :author => 'test', :text => 'test'

  Message.transaction do