tanelsuurhans

foo.inject({}) do |hash, bar|
  hash.store(a, b)
  hash
end

tanelsuurhans

def self.stuff
  scope = scoped
  scope = scope.order("foo") if stuff
  scope = scope.joins(:user) if user
  scope = scope.where(:foo => "bar")
  scope
end

tanelsuurhans

 def quoted_date(value) #:nodoc:
  result = super
  if value.acts_like?(:time) && value.respond_to?(:usec)
    result = "#{result}.#{sprintf("%06d", value.usec)}"
  end

  if value.year < 0
    result = result.sub(/^-/, "") + " BC"
  end
  result

tanelsuurhans

class MyModel < ActiveRecord::Base
    attr_accessible :my_attribute
    
    def my_attribute=(value)
    # do something else here...
        write_attribute(:my_attribute, value)
    end
end

tanelsuurhans

package ee.suurhans.algorithms;

import com.sun.org.apache.xpath.internal.functions.FuncFalse;

import java.util.*;

/**
 * User: Tanel Suurhans
 * Date: 17.02.13
 */

tanelsuurhans

  describe "database" do

    it "should have an unique index on confirmation_token" do
      must have_db_index(:confirmation_token).unique(true)
    end

    it "should have an unique index on email" do
      must have_db_index(:email).unique(true)
    end

tanelsuurhans

User::mass assigment
     PASS (0:00:01.141) 0007 anonymous
     PASS (0:00:01.158) 0011 anonymous
     PASS (0:00:01.175) 0015 anonymous
     PASS (0:00:01.193) 0003 anonymous
     PASS (0:00:01.211) 0013 anonymous
     PASS (0:00:01.230) 0005 anonymous
     PASS (0:00:01.248) 0017 anonymous
     PASS (0:00:01.265) 0002 anonymous

tanelsuurhans

  describe "validations" do

    it { must validate_presence_of(:email) }
    it { must ensure_length_of(:email).is_at_most(255) }

  end

  it "validate email" do
    subject.must validate_presence_of(:email)
    subject.must ensure_length_of(:email).is_at_most(255)

tanelsuurhans

SELECT  id,
  sum(hours) AS totalhours
  FROM mytable
  GROUP BY id
  HAVING sum(hours) > 50;

If you really can't be bothered to write sum() twice, you could consider
a two-level SELECT:

SELECT * FROM

tanelsuurhans

Bundler could not find compatible versions for gem "devise":
  In Gemfile:
    locomotive_cms (= 2.0.0.rc12) ruby depends on
      devise (~> 2.1.2) ruby

    locomotive_cms (= 2.0.0.rc12) ruby depends on
      devise (2.2.3)