markevich

git branch --merged | grep -v \* | xargs git branch -D 

markevich

has_many :items, inverse_of: :order, class_name: 'OrderItem', dependent: :destroy do
  def except(id)
    where(OrderItem.arel_table[:id].not_eq(id))
  end
end

markevich

%s/:\([^ ]*\)\(\s*\)=>/\1:/g

markevich

# This custom matcher can be used to test state machine
#
# Examples
#
#   transition = OpenStruct.new(:name => :operation1, :state_field => :status, :from => :state1, :to => :state2)
#   it { should have_transition(transition) }
#
#   transition = {:name => :operation2, :state_field => :status, :from => :state2, :to => :state3}
#   it { should have_transition(transition) }
RSpec::Matchers.define :have_transition do |transition|

markevich

# model
after_validation :log_errors, :if => Proc.new {|m| m.errors}

def log_errors
  Rails.logger.debug self.errors.full_messages.join("\n")
end

markevich

$ rails g model switchable_plan origin:references replacement:references 'switch_plan_fee:decimal{15,2}'

# app/models/switchable_plan.rb
class SwitchablePlan < ActiveRecord::Base
  belongs_to :origin
  belongs_to :replacement
end

# db/migrate/20131128082637_create_switchable_plans.rb
class CreateSwitchablePlans < ActiveRecord::Migration

markevich

require 'yaml'

desc "Generates database.yml, optional arguments are allowed: [username, password, adapter, project_path]"
task :dbconfig => 'database.yml'

file 'database.yml', [:username, :password, :adapter, :project_path] do |t, args|
  Dir.chdir('config')
  args.with_defaults(:project_path => Dir.pwd)
  DBConfigGenerator.new(t, args).generate
end

markevich

3D CSS Sphere

3D ball made with just some CSS 3D transforms, border-radius and border-style. Not really useful, it just looks nice...

A Pen on CodePen.

License.

markevich

defmodule Episode do
    defstruct id: nil, name: nil, video: nil, markdown: nil, post: nil

    def get_all do
        [
            %Episode{id: "001", post: "271", name: "Introduction and Installing Elixir", video: "1366", markdown: "1382"},
            %Episode{id: "002", post: "275", name: "Basic Elixir", video: "1367", markdown: "1357"},
            %Episode{id: "003", post: "280", name: "Pattern Matching", video: "14879", markdown: "1413"},
            %Episode{id: "004", post: "284", name: "Functions", video: "5086", markdown: "1559"},
            %Episode{id: "005", post: "298", name: "Mix and Modules", video: "5087", markdown: "1654"},

markevich

- id: 71274
  title: ALL MOONROCKS BOGO GRAM @ $25!!!
  body: BOGO GRAM @ $25 ON ALL MOONROCKS ALL DAY!!!
  coupon_type: daily
  discount_type: bogo
  discount_amount:
  distance:
    value: 7.330996145791065
    units: mi
  url: "/deals#/709926"