| def tip(msg); puts; puts msg; puts "-"*100; end | |
| # | |
| # 30 Ruby 1.9 Tips, Tricks & Features: | |
| # http://www.igvita.com/2011/02/03/new-ruby-19-features-tips-tricks/ | |
| # | |
| tip "Upgrading to Ruby 1.9 is simple: rvm install 1.9.2 && rvm --default 1.9.2" | |
| tip "Ruby 1.9 supports named captures in regular expressions!" |
Note that this validation runs both after the file is uploaded and after CarrierWave has processed the image. If your base uploader includes a filter to resize the image then the validation will be run against the resized image, not the original one that was uploaded. If this causes a problem for you, then you should avoid using a resizing filter on the base uploader and put any specific size requirements in a version instead.
So instead of this:
require 'carrierwave/processing/mini_magick'
| DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE | |
| Version 2, December 2004 | |
| Copyright (C) 2011 Jed Schmidt <http://jed.is> | |
| Everyone is permitted to copy and distribute verbatim or modified | |
| copies of this license document, and changing it is allowed as long | |
| as the name is changed. | |
| DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE |
| $ jirb | |
| irb(main):001:0> load 'jruby_thread_dump.rb' | |
| # Elsewhere... | |
| $ kill -USR2 <pid> | |
| Ruby Thread Dump | |
| Thread[SIGUSR2 handler,9,system] |
| heroku addons:add pgbackups --remote staging | |
| heroku addons:add pgbackups --remote production | |
| heroku pgbackups:capture --remote production | |
| heroku pgbackups:restore DATABASE `heroku pgbackups:url --remote production` --remote staging |
| #!/usr/bin/env ruby | |
| # Usage: gitio URL [CODE] | |
| # | |
| # Turns a github.com URL | |
| # into a git.io URL | |
| # | |
| # Copies the git.io URL to your clipboard. | |
| url = ARGV[0] | |
| code = ARGV[1] |
| t = DateTime | |
| id = t.now.strftime("%Y%m%d%k%M%S%L") # Get current date to the milliseconds | |
| id = id.to_i.to_s(36) # will generate somthing like "5i0sp1h4tkc" | |
| # Reverse it | |
| id.to_i(36) |
| class User < ActiveRecord::Base | |
| # ... lots of persistence stuff | |
| end | |
| class GitHubUserProvisioner < SimpleDelegator | |
| def provision_with!(user_info, extra_user_hash) | |
| self.github_login = extra_user_hash['login'] | |
| self.name = user_info['name'] | |
| self.email = user_info['email'] | |
| self.github_url = user_info['urls']['GitHub'] |
| # Do you ever define #method_missing and forget #respond_to? I sure | |
| # do. It would be nice if we could do them both at the same time. | |
| module MatchMethodMacros | |
| def match_method(matcher, &method_body) | |
| mod = Module.new do | |
| define_method(:method_missing) do |method_name, *args| | |
| if matcher === method_name.to_s | |
| instance_exec(method_name, *args, &method_body) | |
| else |
| require 'java' | |
| require 'jruby' | |
| thread_bean = java.lang.management.ManagementFactory.thread_mx_bean | |
| t1 = Thread.new do | |
| a = nil | |
| loop do | |
| a = 'foo' | |
| end |
