davidkariuki

gem install nokogiri -v '1.6.8' -- --use-system-libraries=true --with-xml2-include=/Applications/Xcode-beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.12.sdk/usr/include/libxml2

davidkariuki

Steps to install and run PostgreSQL 9.2 using Homebrew (Mac OS X)
(if you aren't using version 9.1.5, change line 6 with the correct version)

1. launchctl unload -w ~/Library/LaunchAgents/homebrew.mxcl.postgresql.plist
2. mv /usr/local/var/postgres /usr/local/var/postgres91
3. brew update
4. brew upgrade postgresql
5. initdb /usr/local/var/postgres -E utf8
6. pg_upgrade -b /usr/local/Cellar/postgresql/9.1.5/bin -B /usr/local/Cellar/postgresql/9.2.0/bin -d /usr/local/var/postgres91 -D /usr/local/var/postgres
7. cp /usr/local/Cellar/postgresql/9.2.0/homebrew.mxcl.postgresql.plist ~/Library/LaunchAgents/

davidkariuki

# Gist to go with http://www.austinrochford.com/posts/2013-10-28-median-of-medians.html
# Chad Brewbaker   10/28/2013
#  https://news.ycombinator.com/item?id=6628474

def median_5(list, i = list.length/2)
  return list.sort[i]
end

def median(list, i = list.length/2)
  if (list.length <= 5)

davidkariuki

Capybara

save_and_open_page

Matchers

have_button(locator)

davidkariuki

#Model 

@user.should have(1).error_on(:username) # Checks whether there is an error in username 
@user.errors[:username].should include("can't be blank")  # check for the error message 

#Rendering
response.should render_template(:index)

#Redirecting 
response.should redirect_to(movies_path)