ndbroadbent

require 'fileutils'

# Warning: The following deploy task will completely overwrite whatever is currently deployed to Heroku.
# The deploy branch is rebased onto master, so the push needs to be forced.

desc "Deploy app to Heroku after precompiling assets"
task :deploy do
  deploy_branch   = 'heroku'
  remote          = 'heroku'
  deploy_repo_dir = "tmp/heroku_deploy"

stympy

require "ipaddr"
require "resolv"
require "uri"

class UrlChecker
  SCHEME_REGEX = Regexp.new(/\Ahttps?/)
  HOST_REGEX = Regexp.new(/.+\..+/)
  IPV4_REGEX = Regexp.new(/(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)(\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)){3}/)
  IPV6_REGEX = Regexp.new(/(([0-9a-fA-F]{1,4}:){7,7}[0-9a-fA-F]{1,4}|([0-9a-fA-F]{1,4}:){1,7}:|([0-9a-fA-F]{1,4}:){1,6}:[0-9a-fA-F]{1,4}|([0-9a-fA-F]{1,4}:){1,5}(:[0-9a-fA-F]{1,4}){1,2}|([0-9a-fA-F]{1,4}:){1,4}(:[0-9a-fA-F]{1,4}){1,3}|([0-9a-fA-F]{1,4}:){1,3}(:[0-9a-fA-F]{1,4}){1,4}|([0-9a-fA-F]{1,4}:){1,2}(:[0-9a-fA-F]{1,4}){1,5}|[0-9a-fA-F]{1,4}:((:[0-9a-fA-F]{1,4}){1,6})|:((:[0-9a-fA-F]{1,4}){1,7}|:)|fe80:(:[0-9a-fA-F]{0,4}){0,4}%[0-9a-zA-Z]{1,}|::(ffff(:0{1,4}){0,1}:){0,1}((25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])\.){3,3}(25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])|([0-9a-fA-F]{1,4}:){1,4}:((25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])\.){3,3}(25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9]))/)
  PRIVATE_RANGES = %w[127.0.0.0/8 192.168.0.0/16 172.16.0.0/12 10.0.0.0/8 100.64

mikhailov

- http://www.coffeepowered.net/2009/06/13/fine-tuning-your-garbage-collector/
- http://snaprails.tumblr.com/post/241746095/rubys-gc-configuration

  article’s settings:                                     ("spec spec" took 17-23!sec)
	export RUBY_HEAP_MIN_SLOTS=1250000
	export RUBY_HEAP_SLOTS_INCREMENT=100000
	export RUBY_HEAP_SLOTS_GROWTH_FACTOR=1
	export RUBY_GC_MALLOC_LIMIT=30000000
	export RUBY_HEAP_FREE_MIN=12500

joho

set :path_to_repo, "/path_to_repo/"
set :running_app_user, "appusername"

namespace :webscale do
  desc "Cache a signed out version of the path. Usage: cap webscale:signed_out_cache_page -s path_to_cache=/films/on_netflix"
  task :signed_out_cache, roles: :app do
    cache_base_path = "#{path_to_repo}/public/signed_out"
    cached_destination_path = "#{cache_base_path}#{path_to_cache}.html"
    working_path = "#{cached_destination_path}.tmp"

rweald

class SimpleLinearRegression
  def initialize(xs, ys)
    @xs, @ys = xs, ys
    if @xs.length != @ys.length
      raise "Unbalanced data. xs need to be same length as ys"
    end
  end

  def y_intercept
    mean(@ys) - (slope * mean(@xs))

kitop

#!/usr/bin/env bash
set -euo pipefail
IFS=$'\n\t'

# Taken from https://dev.to/thiht/shell-scripts-matter

#/ Usage:
#/ Description:
#/ Examples:
#/ Options:

nu7hatch

# _utils.sh --- Utilities used across all the scripts.

set -e
set -o pipefail

# Prints spaces as a prefix to the command's output.
function prefixed {
    sed -e "s/^/       /"
}

djanowski

Why I don't use...

I'm numbering my arguments just to be able to reference them. Order does not reflect priority.

jQuery

1. It's monolithic.

2. It's huge, both in terms of complexity and in resulting file size.

inkel

• http://blog.getspool.com/2011/11/29/fast-easy-realtime-metrics-using-redis-bitmaps/
• https://github.com/eric/metriks
• http://geek.michaelgrace.org/2011/09/how-to-install-graphite-on-ubuntu/
• http://unwiredcouch.com/2012/09/15/getting-started-with-monitoring.html
• https://github.com/ripienaar/gdash
• https://github.com/paulasmuth/fnordmetric
• http://railscasts.com/episodes/378-fnordmetric
• http://bost.ocks.org/mike/
• https://github.com/mbostock/d3
• http://www.confreaks.com/videos/655-rubyconf2011-big-data-enterprisy-analytics-app-and-ruby

mrrooijen

.DS_Store
*.swp
*.swo
Gemfile.lock