njonsson

Someone recently asked the following question in the discussion forum of the Rubyists LinkedIn group: What separates a junior Rails developer from a senior one?

My response follows. Join us at http://www.linkedin.com/groups?gid=120725 to weigh in on this and other topics of interest to Rubyists. As of today there are almost 1,200 members, including numerous movers and shakers in the Ruby and Rails communities.

“Distinguishing between junior and senior people in the Rails world is not so different from making the distinction in other web development environments.

“Junior Rails people have not dealt with scaling issues to the degree that senior people have. Getting a public-facing Rails application to perform under significant stress is more challenging than doing the same with other building materials such as PHP. Senior people know how to performance-test Rails applications, where to look for bottlenecks, and how to eliminate them one after another until performance is acceptable in real conditions. The Ra

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')

jashkenas

package_assets:         on          # (on, off, always)
embed_assets:           on          # (on, off, datauri)
compress_assets:        on          # (on, off)
gzip_assets:            on          # (on, off)
template_function:      _.template  # (defaults to the built-in micro-templating)
package_path:           packages    # (defaults to assets)
javascript_compressor:  closure     # (yui, closure)
compressor_options:
  compilation_level: ADVANCED_OPTIMIZATIONS

citrus

# config/initializers/sequel.rb

module Kaminari
  module Sequel
    
    def self.included(base)
    
      base.class_eval do
        alias :num_pages :page_count
        alias :limit_value :page_size

lxbarth

Download and convert data from NYC open data portal

curl -o nynta.zip "https://nycopendata.socrata.com/api/geospatial/cpf4-rkhq?method=export&format=Shapefile"
cd nynta_12c

ogr2ogr can't deal with the projection directly. Replace content of nynta.prj with the following projection string:

PROJCS["NAD_1983_StatePlane_New_York_Long_Island_FIPS_3104_Feet",GEOGCS["GCS_North_American_1983",DATUM["D_North_American_1983",SPHEROID["GRS_1980",6378137.0,298.257222101]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["lambert_conformal_conic_2sp"],PARAMETER["False_Easting",984250.0],PARAMETER["False_Northing",0.0],PARAMETER["longitude_of_center",-74.0],PARAMETER["Standard_Parallel_1",40.66666666666666],PARAMETER["Standard_Parallel_2",41.03333333333333],PARAMETER["latitude_of_center",40.16666666666666],UNIT["Foot_US",0.3048006096012192]]

jaymiejones86

Ruby on Rails Website Launch Checklist

Copy this gist and customise it to your liking.

• Run Brakeman and resolve any issues where required
• Run rails best practices and resolve any warnings
• Run full test suite and make sure all tests are passing
• Make sure no dummy email addresses are left in any notification emails (eg contact form)
• Make sure production assets compile correct (eg files in vendor, etc, compile and are not 404'ing in production environment)
• If using unicorn in production, make sure deploys are restarting the unicorns

yoon

require 'rubygems'
require 'zip'

archive_directory_path = ''
archive_zip_path = ''

Zip::File.open( archive_zip_path, Zip::File::CREATE ) do |zip_file|
  Dir[ File.join( archive_directory_path, "**", "**" ) ].each do |file|
    zip_file.add( file.sub( "#{ archive_directory_path }/", "" ), file )
  end

stereodenis

# It requires ACK - http://betterthangrep.com/
task :find_unused_images do
  images = Dir.glob('app/assets/images/**/*')

  images_to_delete = []
  images.each do |image|
    unless File.directory?(image)
      # print "\nChecking #{image}..."
      print '.'
      result = `/Users/stereodenis/bin/ack -1 --type-set=mytype=.rb,.css,.scss,.haml,.coffee,.js,.erb,.en,.th,.html,.slim,.less,.sass #{File.basename(image)}`

mlanett

HTTP status code symbols for Rails

Thanks to Cody Fauser for this list of HTTP responce codes and their Ruby on Rails symbol mappings.

Status Code Symbol
1xx Informational
100 :continue
101 :switching_protocols
102 :processing

jessicard

# config/initializers/asset_manifest.rb

class AssetManifest
  @manifest = JSON.parse(File.read("public/assets/rev-manifest.json"))

  def self.manifest
    @manifest
  end

  def self.stylesheet_link_tag(url)