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  template = ERB.new(@template)
      template.def_method(LayoutRenderer, 'render')

      result = LayoutRenderer.new.render do
        ERB.new(@content).result(binding)
      end

      File.open('tmp/payslip_filename.html', 'w+') do |f|
        f.write result
      end

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git branch | grep -v "master\|testing\|staging" | xargs git branch -D

more information: https://coderwall.com/p/x3jmig/remove-all-your-local-git-branches-but-keep-master

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Install Crystal on MacOs

brew update
brew install crystal

Install icr interactive console

https://github.com/crystal-community/icr#installation

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def save_and_open_page
  dir = "#{Rails.root}/tmp/cache/capybara"
  file = "#{dir}/#{Time.now.strftime('%Y-%m-%d-%H-%M-%S')}.png"
  FileUtils.mkdir_p dir
  page.driver.render file
  wait_until { File.exists?(file) }
  system "open #{file}"
end

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Restore database with Heroku

Some tips to improve test flow dealing with database on local and production environments.

I. Pull database from Heroku

It is really usefull if you want to fill your local database with real data from production environment.

1. Drop Local Database

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grep -rl "ActiveRecord::Migration" db | xargs sed -i "" "s/ActiveRecord::Migration/ActiveRecord::Migration[5.1]/g"

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PHP:

https://github.com/php-fig/fig-standards/blob/master/accepted/PSR-2-coding-style-guide.md

Ruby:

https://github.com/thoughtbot/guides/tree/master/style#ruby

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Add on Heroku add-ons

https://elements.heroku.com/addons/rollbar

Install Gem

Add this line to your application's Gemfile:

 gem 'rollbar'

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Rails naming conventions

General Ruby conventions

Class names are CamelCase.

Methods and variables are snake_case.

Methods with a ? suffix will return a boolean.

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curl -X POST -d '{title: "foo", body: "example in makeitreal wow", userId: 1 }'  http://jsonplaceholder.typicode.com/posts