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SHOW CREATE TABLE old_table; | |
INSERT INTO new_table SELECT DISTINCT * FROM old_table; | |
DROP TABLE old_table; | |
RENAME TABLE new_table TO old_table; |
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# polymorphic_select_tag @item, :owner, Post.all(:order=>'created_at DESC').collect{|b| #[b.title, [Post, b.id]]} | |
def polymorphic_select_tag(object, field, option_array=[], options={}, html_options={}) | |
option_tags = "<option #{'selected="selected"' if (object.try(field) == nil)}/>" + | |
option_array.map do |tuple| | |
"<option value='#{tuple[1][0]}-#{tuple[1][1]}' #{'selected="selected"' if ((object.try(field).try(:id).to_s == tuple[1][1].to_s && object.try(field).try(:type).to_s == tuple[1][0].to_s) rescue false)}>#{tuple[0]}</option>" | |
end.to_s | |
prefix = options[:prefix] || '' | |
object_id = object.id |
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IO.popen("ruby -v").readlines.to_s |
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# raw get_bread_crumb(request.request_uri) | |
def get_bread_crumb(url) | |
begin | |
breadcrumb = '' | |
so_far = '/' | |
elements = url.split('/') | |
for i in 1...elements.size | |
so_far += elements[i] + '/' |
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namespace :db do | |
desc "Backup database" | |
task :backup => :environment do | |
db_config = ActiveRecord::Base.configurations[Rails.env] | |
backup_path = "db/backups" | |
Dir.mkdir("#{Rails.root}/#{backup_path}") unless Dir.exist?("#{Rails.root}/#{backup_path}") | |
datestamp = Time.now.strftime("%Y%m%d%H%M%S") | |
file_name = "#{RAILS_ENV}_#{db_config['database']}_#{datestamp}.sql.gz" |
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def create_method(name, &block) | |
self.class.send(:define_method, name, &block) | |
end | |
def create_attr_methods(name) | |
create_method("#{name}=".to_sym) { |val| instance_variable_set("@" + name, val) } | |
create_method(name.to_sym) { instance_variable_get("@" + name) } | |
end | |
def create_attr(name, value = nil) |
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Gchart.line_xy( | |
:data => [[-1], [5.6401944, 5.693536, 5.589820899999999, 5.9419287999999995, 6.140745299999999, 5.6134203, 4.6947865, 4.3917905, 3.969158, 6.6177003, 5.5682765, 5.3081125], [-1], [4.469642, 4.398298800000001, 4.4974612, 4.5136058, 4.7888061, 4.619375999999999, 1.2265295, 2.977351, 3.2739, 4.8158845, 4.4618883, 4.4220661], [-1], [4.3555019999999995, 4.215306200000001, 4.2568991, 5.3902482, 5.4936451, 4.6054233, 2.781287, 1.945629, 2.80498, 5.7298489, 4.2575779, 4.2970867], [-1], [3.0365569999999997, 3.1637157, 2.8597486, 3.3726310999999995, 3.1634554, 3.1847927, 1.9845335, 1.8754915, 1.9770175, 3.7286499, 3.2215343, 2.8594553], [-1], [2.6395803000000004, 2.5640393999999995, 2.3002405, 2.7694116999999996, 2.9414337, 2.7909993, 1.578009, 0.617353, 2.0158055, 3.0155125, 2.4871983, 2.3391488], [-1], [2.4379844, 2.2451725999999996, 2.0674406999999997, 2.6068367, 2.4240726, 2.3331188, 1.242108, 1.1643645, 1.4375965, 2.9311815, 2.6668297, 2.2688855], [-1], [2.2926647000000004, 2.2747717, 2.7112956, |
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######################################### | |
# Very basic rack application showing how to use a router based on the uri | |
# and how to process requests based on the HTTP method used. | |
# | |
# Usage: | |
# $ rackup rack_example.ru | |
# | |
# $ curl -X POST -d 'title=retire&body=I should retire in a nice island' localhost:9292/ideas | |
# $ curl -X POST -d 'title=ask Satish for a gift&body=Find a way to get Satish to send me a gift' localhost:9292/ideas | |
# $ curl localhost:9292/ideas |
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a = tag(:b) | |
=> "<b />" | |
rubinius-2.0.0dev :015 > a.html_safe? | |
=> true | |
rubinius-2.0.0dev :016 > a.dup.html_safe? | |
=> nil |
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Role.count | |
(0.5ms) SELECT COUNT(*) FROM "roles" | |
=> 0 | |
1.8.7 :037 > Role.last | |
Role Load (0.5ms) SELECT "roles".* FROM "roles" ORDER BY "roles"."id" DESC LIMIT 1 | |
=> nil | |
1.8.7 :038 > Role.create!(:name => 'php_committer') | |
(0.2ms) BEGIN | |
Role Exists (0.4ms) SELECT 1 FROM "roles" WHERE "roles"."name" = 'php_committer' LIMIT 1 | |
SQL (0.7ms) INSERT INTO "roles" ("created_at", "description", "name", "title", "updated_at") VALUES ($1, $2, $3, $4, $5) RETURNING "id" [["created_at", Fri, 01 Jun 2012 01:15:04 MSK +04:00], ["description", nil], ["name", "php_committer"], ["title", nil], ["updated_at", Fri, 01 Jun 2012 01:15:04 MSK +04:00]] |