Angel skozz

## System Design.md

      
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                skozz
                / System Design.md
            
            
              Created
              April 18, 2016 17:00
                — forked from vasanthk/System Design.md
            
              
                System Design Cheatsheet
              
          
    #System Design Cheatsheet

Picking the right architecture = Picking the right battles + Managing trade-offs

##Basic Steps

Clarify and agree on the scope of the system


User cases (description of sequences of events that, taken together, lead to a system doing something useful)

Who is going to use it?
How are they going to use it?


## meteor_servercall.html
<head>
  <title>meteor_servercall</title>
</head>

<body>
  {{> simple}}
  {{> passData}}
</body>

<template name="simple">

## nginx.conf
# This file should be placed on the directory of ~/blog/config

upstream unicorn {
    server unix:/tmp/unicorn.todo.socket fail_timeout=0;
}

server {
  listen                80 default;
  #server_name          example.com;
  root                  /home/username/blog/public;

## devise_authentication_api.rb
#Session controller provides a token
#/controllers/api/sessions_controller.rb
class Api::SessionsController < Devise::SessionsController
  before_filter :authenticate_user!, :except => [:create]
  before_filter :ensure_params_exist, :except => [:destroy]
  respond_to :json

  def create
    resource = User.find_for_database_authentication(:email => params[:user_login][:email])
    return invalid_login_attempt unless resource

## bash_colored
1. Open Terminal move to your home folder:
  `cd ~`

2. Enable git colors:
  `git config --global color.ui true`

3. Make a file called ".colors":
  `touch .colors`

4. Open .colors and paste the following:

## hack.sh
#!/usr/bin/env sh

##
# This is script with usefull tips taken from:
#   https://github.com/mathiasbynens/dotfiles/blob/master/.osx
#
# install it:
#   curl -sL https://raw.github.com/gist/2108403/hack.sh | sh
#
	<head>
	<title>meteor_servercall</title>
	</head>

	<body>
	{{> simple}}
	{{> passData}}
	</body>

	<template name="simple">
	# This file should be placed on the directory of ~/blog/config

	upstream unicorn {
	server unix:/tmp/unicorn.todo.socket fail_timeout=0;
	}

	server {
	listen 80 default;
	#server_name example.com;
	root /home/username/blog/public;
	#Session controller provides a token
	#/controllers/api/sessions_controller.rb
	class Api::SessionsController < Devise::SessionsController
	before_filter :authenticate_user!, :except => [:create]
	before_filter :ensure_params_exist, :except => [:destroy]
	respond_to :json

	def create
	resource = User.find_for_database_authentication(:email => params[:user_login][:email])
	return invalid_login_attempt unless resource
	1. Open Terminal move to your home folder:
	`cd ~`

	2. Enable git colors:
	`git config --global color.ui true`

	3. Make a file called ".colors":
	`touch .colors`

	4. Open .colors and paste the following:
	#!/usr/bin/env sh

	##
	# This is script with usefull tips taken from:
	# https://github.com/mathiasbynens/dotfiles/blob/master/.osx
	#
	# install it:
	# curl -sL https://raw.github.com/gist/2108403/hack.sh \| sh
	#