Conor Hunt conorh

Ransack Cheatsheet

The Ransack gem provides us with a powerful, flexible, easy-to-integrate search/filter form.

In your Gemfile, include

gem 'ransack'

	# Installing VIPS
	# NOTE: This does not install any PDF handling (but maybe handled through imagemagick?)
	sudo yum install fftw libjpeg-turbo-devel libexif-devel giflib-devel libtiff-devel libpng-devel libwebp-devel ImageMagick-devel
	sudo yum install meson
	sudo yum install cmake
	sudo yum install glib2-devel
	sudo yum install expat-devel
	sudo yum install gobject-introspection-devel
	curl -OL https://github.com/libvips/libvips/archive/refs/tags/v8.14.2.zip
	unzip v8.14.2.zip

	#!/usr/bin/env ruby
	#
	# Find bloating passengers and kill them gracefully. Run from cron every minute.
	#

	# required for passenger since cron has no environment
	ENV['HTTPD'] = 'httpd'

	MEM_LIMIT = ARGV[0] \|\| 500

	require "uri"
	require "time"
	require "openssl"

	# Calculate v4 AWS sig
	class AWSV4Sig
	def initialize(access_key, secret_key)
	@access_key = access_key
	@secret_key = secret_key
	end

	namespace :db do
	namespace :migrations do
	task :archive do
	considered_old = 60 # how many days ago is considered old enough
	puts "Looking for migrations older than #{considered_old} days"
	db_path = File.join(Rails.root, "db/")
	migrations_path = File.join(db_path, "migrate/")
	old_migrations_path = File.join(db_path, "old_migrations/")

	files = Dir[File.join(migrations_path, "/*.rb")]

	Rake::Task["db:structure:dump"].enhance do
	path = Rails.root.join('db', 'structure.sql')
	file = File.read(path)
	file.gsub!(/ AUTO_INCREMENT=\d*/, '')
	# remove all comment lines
	file.gsub!(/^--.*/,'')
	File.write(path, file)
	end

	<% form_for(@blog_post) do \|f\| %>
	<%= link_to 'Preview', '#', data: {preview: true, model: @blog_post.class.to_s} %>
	<%= f.text_area :body %>
	<%= f.submit %>
	<% end %>

	http {
	...
	proxy_cache_path /data/perch.squaremill.com/shared/image_cache levels=1:2 keys_zone=images:10m;
	...
	}

	conorhunt:~$ gem install json
	Fetching: json-1.5.1.gem (100%)
	Building native extensions. This could take a while...
	Successfully installed json-1.5.1
	1 gem installed
	conorhunt:~$ irb
	rbx-2.0.0pre :001 > require 'json'
	TypeError: wrong argument type NilClass (expected Module)
	from Rubinius::NativeMethod.load_extension at kernel/common/native_method.rb:43
	from Rubinius::CodeLoader#load_library at kernel/delta/codeloader.rb:180

	=INFO REPORT==== 2010-02-16 04:51:40 ===
	D(<0.199.0>:ejabberd_receiver:320) : Received XML on stream = "<message type=\"chat\" id=\"purple45d00c31\" to=\"[email protected]\" from=\"[email protected]/Adium18999378\"><body>fasdf</body><html xmlns=\"http://jabber.org/protocol/xhtml-im\"><body xmlns=\"http://www.w3.org/1999/xhtml\"><span style=\"font-family: Helvetica; font-size: medium; background: #ffffff;\">fasdf</span></body></html><nos:x value=\"disabled\" xmlns:nos=\"google:nosave\"/><arc:record otr=\"false\" xmlns:arc=\"http://jabber.org/protocol/archive\"/></message>"

	=INFO REPORT==== 2010-02-16 04:51:40 ===
	D(<0.199.0>:shaper:61) : State: {maxrate,50000,193.68630641370012,
	1266295899126721}, Size=455
	M=4.558829829111692, I=1420.107


	=INFO REPORT==== 2010-02-16 04:51:40 ===