samuelcolvin

Requirements

python 3.6, postgres, pip install aiohttp uvloop ujson asyncpg sanic

aiohttp & uvloop

➤ wrk -d 10 -c 100 -t 12 --timeout 8 http://localhost:8000  # aiohttp
Running 10s test @ http://localhost:8000

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

nubbel

func encode<T>(var value: T) -> NSData {
    return withUnsafePointer(&value) { p in
        NSData(bytes: p, length: sizeofValue(value))
    }
}

func decode<T>(data: NSData) -> T {
    let pointer = UnsafeMutablePointer<T>.alloc(sizeof(T.Type))
    data.getBytes(pointer)
    

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

flyerhzm

class Image
  extend ActiveModel::Naming
  extend ActiveModel::Callbacks

  include ActiveModel::Validations
  include Paperclip::Glue

  define_model_callbacks :save, only: [:after]
  define_model_callbacks :destroy, only: [:before, :after]

basgys

# == Paperclip without ActiveRecord
#
# Simple and lightweight object that can use Paperclip
#
# 
# Customized part can be extracted in another class which
# would inherit from SimplePaperclip.
#
#   class MyClass < SimplePaperclip
#     attr_accessor :image_file_name # :<atached_file_name>_file_name

deepak

require 'pp'

Dir["#{RAILS_ROOT}/app/models/*.rb"].each { |model_path| require model_path  }

models = Module.constants.select do |constant_name|
  begin
    constant = eval constant_name.to_s
    next if constant.nil?
    match = (constant < ActiveRecord::Base) rescue nil 
    if match

amejiarosario

Rails Migration

http://guides.rubyonrails.org/migrations.html

Migrations methods:

• add_column
• add_index
• change_column
• change_table
• create_table
• drop_table

140bytes

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