donilan

#!/usr/bin/env bash

sudo yum install -y yum-utils \
  device-mapper-persistent-data \
  lvm2
sudo yum-config-manager \
    --add-repo \
    https://download.docker.com/linux/centos/docker-ce.repo
sudo yum makecache fast

SylarRuby

# In our gemfile:
# gem 'rubyzip'

require 'zip'

# private ?
def process_and_create_zip_file
  # Simulation of an object with has_many_attached :documents
  job = Job.first.documents
  # Tmp folder to store the download files from S3

iscott

Cheat Sheet: Simple Authentication in Rails 6 with has_secure_password

The goal of this cheatsheet is to make it easy to add hand-rolled authentication to any rails app in a series of layers.

First the simplest/core layers, then optional layers depending on which features/functionality you want.

Specs
AUTHOR	Ira Herman
LANGUAGE/STACK	Ruby on Rails Version 4, 5, or 6

bendo01

#cd /etc/caddy/Caddyfile
example.com {
    root /usr/share/nginx/html
    gzip
    log /var/log/caddy/access.log
    #fastcgi / unix:/var/run/php-fpm/php-fpm.sock php # Fast CGI php interpreter
    #fastcgi / fastcgi / 127.0.0.1:9000 php # Fast CGI php interpreter
    #using with laravel
    fastcgi / unix:/var/run/php-fpm/php-fpm.sock php {
        index index.php

fernandoaleman

brew tap homebrew/versions
brew install v8-315

gem install libv8 -v '3.16.14.13' -- --with-system-v8
gem install therubyracer -- --with-v8-dir=/usr/local/opt/v8-315

bundle install

christofluethi

brew update
brew link yasm
brew link x264
brew link lame
brew link xvid

brew install ffmpeg

ffmpeg wiki: 
https://trac.ffmpeg.org/wiki/Encode/MP3

hopsoft

# lib/tasks/db.rake
namespace :db do

  desc "Dumps the database to db/APP_NAME.dump"
  task :dump => :environment do
    cmd = nil
    with_config do |app, host, db, user|
      cmd = "pg_dump --host #{host} --username #{user} --verbose --clean --no-owner --no-acl --format=c #{db} > #{Rails.root}/db/#{app}.dump"
    end
    puts cmd

envygeeks

def clean_for_action_based_url(url)
  CGI.unescape(url || "").
    gsub(/\/+/, "/").
    tr('^a-z_-/', "")
end

def clean_url(url)
  url = CGI.unescape(url || "")
  url = url.gsub(/\A((https?:)?\/+)*/, "").gsub(/\/+/, "/")
  url.split("/").map { |v| CGI.escape(v) }.

nightire

Routes

小心地使用 Match（Rails 3 已实现）

Rails 3 提供了 match 方法供我们自定义 routes，然而我们要小心使用它以避免“跨站脚本攻击”（XSS Attack）。比如像这样的 routes：

注：（r3 代表 Rails 3，r4 代表 Rails 4）

# routes.rb

nightire

Rails 4 - Active Record Associations

has_one

一对一关系：有 A 和 B，A 拥有且仅拥有一个 B

belongs_to