markerikson

class ControlledInputWithInternalState extends Component {
    constructor(props) {
        super(props);
        
        this.state = {
            isValid : true,
            value : props.value
        };
    }
    

karloscodes

class Email::Validate
  def self.call(email)
    new(email, RFC::CheckSyntaxt, SMTP::CheckUserExistance).call
  end

  attr_reader :email, :rfc_check_syntaxt, :smtp_check_user

  def initialize(email, rfc_check_syntaxt, smtp_check_user)
    @email = email
    @rfc_check_syntaxt = rfc_check_syntaxt

vasanthk

System Design Cheatsheet

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

Basic Steps

1. 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?

sogko

package main

import (
	"github.com/graphql-go/graphql"
	"github.com/graphql-go/handler"
	"net/http"
)

type Todo struct {
	ID   string `json:"id"`

kryzhovnik

# config/routes.rb

YandexKassaIntegration::Application.routes.draw do
  # ...
  scope '/yandex_kassa' do
    controller 'yandex_kassa', constraints: { subdomain: 'ssl' } do
      post :check
      post :aviso
      get :success
      get :fail

dhh

# config/routes.rb
resources :documents do
  scope module: 'documents' do
    resources :versions do
      post :restore, on: :member
    end

    resource :lock
  end
end

sloria

The Best of the Best Practices (BOBP) Guide for Python

A "Best of the Best Practices" (BOBP) guide to developing in Python.

In General

Values

• "Build tools for others that you want to be built for you." - Kenneth Reitz
• "Simplicity is alway better than functionality." - Pieter Hintjens

linjunpop

Deploy Rails 4 app with Dokku on DigitalOcean

Install dokku

First create a Ubuntu 13.04 x64 droplet on DigitalOcean Control Panel

Then ssh with root account, run this in termianl:

$ wget -qO- https://raw.github.com/progrium/dokku/master/bootstrap.sh | sudo bash

SabretWoW

# This is a skeleton for testing models including examples of validations, callbacks,
# scopes, instance & class methods, associations, and more.
# Pick and choose what you want, as all models don't NEED to be tested at this depth.
#
# I'm always eager to hear new tips & suggestions as I'm still new to testing,
# so if you have any, please share!
#
# @kyletcarlson
#
# This skeleton also assumes you're using the following gems: 

flakyfilibuster

# Factorial Recursive #
#######################

# Long Version:

def factorial(n)
  if n == 0
    return 1
  else 
    return n*factorial(n-1)