olivierlacan

# switch default editor for pry to sublime text
Pry.config.editor = "sublime"

# format prompt to be <Rails version>@<ruby version>(<object>)>
Pry.config.prompt = proc do |obj, level, _|
  prompt = "\e[1;30m"
  prompt << "#{Rails.version} @ " if defined?(Rails)
  prompt << "#{RUBY_VERSION}"
  "#{prompt} (#{obj})>\e[0m"
end

senorprogrammer

#!/usr/bin/env ruby

# From my blog post at http://www.postal-code.com/binarycode/2009/06/06/better-range-intersection-in-ruby/

class Range
  def intersection(other)
    raise ArgumentError, 'value must be a Range' unless other.kind_of?(Range)

    my_min, my_max = first, exclude_end? ? max : last
    other_min, other_max = other.first, other.exclude_end? ? other.max : other.last

scottlowe

-- Add the new tsvector column
ALTER TABLE articles ADD COLUMN tsv tsvector;

-- Create a function that will generate a tsvector from text data found in both the
-- title and body columns, but give a higher relevancy rating 'A' to the title data  
CREATE FUNCTION articles_generate_tsvector() RETURNS trigger AS $$
  begin
    new.tsv :=
      setweight(to_tsvector('pg_catalog.english', coalesce(new.title,'')), 'A') ||
      setweight(to_tsvector('pg_catalog.english', coalesce(new.body,'')), 'B');

mbostock

license: gpl-3.0

jackfuchs

/**
 * jQuery.support.cssProperty
 * To verify that a CSS property is supported
 * (or any of its browser-specific implementations)
 *
 * @param p css property name
 * @param rp optional, if set to true, the css property name will be returned
 * instead of a boolean support indicator
 * @return {mixed}
 *

zhengjia

=Navigating=
    visit('/projects')
    visit(post_comments_path(post))

=Clicking links and buttons=
    click_link('id-of-link')
    click_link('Link Text')
    click_button('Save')
    click('Link Text') # Click either a link or a button
    click('Button Value')

JosephPecoraro

# Ways to execute a shell script in Ruby
# Example Script - Joseph Pecoraro

cmd = "echo 'hi'" # Sample string that can be used

# 1. Kernel#` - commonly called backticks - `cmd` 
# This is like many other languages, including bash, PHP, and Perl
#   Synchronous (blocking)
#   Returns the output of the shell command
#   Docs: http://ruby-doc.org/core/classes/Kernel.html#M001111