KL-7 questions

KL-7 answers

• preserving state of check_box_tag after form submit validation error
• rails 3.2 rails generate rspec:install... undefined method `delegate_template_exists?' for class `ActionView::Base' (NameError)
• ActiveRecord query
• Generate select tag from validation options with I18N
• Humanize rails select helper
• Git log - How to list all commits that don't start with a specific word
• How can I upload a file to my ruby on rails app using curl CLI?
• How to delete the last n commits on Github and locally?
• ArgumentError: You need to supply at least one validation with :if
• Selected option not working for select