wrburgess

##Refs

• wkhtmltopdf
• wicked_pdf
• Blog: Generate PDFs in Rails 3.2

Install wicked_pdf

Add to Gemfile: gem 'wicked_pdf'

jboner

Latency Comparison Numbers (~2012)
----------------------------------
L1 cache reference                           0.5 ns
Branch mispredict                            5   ns
L2 cache reference                           7   ns                      14x L1 cache
Mutex lock/unlock                           25   ns
Main memory reference                      100   ns                      20x L2 cache, 200x L1 cache
Compress 1K bytes with Zippy             3,000   ns        3 us
Send 1K bytes over 1 Gbps network       10,000   ns       10 us
Read 4K randomly from SSD*             150,000   ns      150 us          ~1GB/sec SSD

pifleo

# Keep code struture in models consistent
# Inspired by http://rails-bestpractices.com/posts/75-keep-code-struture-in-models-consistent
# One example: (From top to bottom)

    associations
    scopes
    class methods
    validates
    callbacks
    instance methods