tgroshon

OOP Code smells

Things that might indicate a problem. RailsConf talk "Get a Whiff of This" by Sandi Metz

• Couplers: binds objects together
  • feature envy (send more messages to object than to self)
  • inappropriate intimacy (access private methods/data)
  • message chains (law of demeter; too many dots)
  • middle man (sole purpose to forward on calls)

tgroshon

title	author
React Patterns in a Post-Hooks World	name url Tommy Groshong https://twitter.com/tgroshon

Introduction

React is an amazing library and over the last 5 years has transformed the

tgroshon

import axios from "axios";

// Using `useState()` to manage individual pieces

function ComponentWithPlainState({ coursenum }) {
  let [loading, setLoading] = useState(false);
  let [data, setData] = useState();
  let [errors, setErrors] = useState();
  useEffect(() => {
    setLoading(true);

tgroshon

import React from 'react';
import axios from 'axios';
import { createStore } from 'redux';

// GOAL:
//   let { useCustomers, ArtemisProvider } = makeDataLayer(schema, axios)
//   let { customers, signup } = useCustomers('fetch');

const schema = {
  Customers: {

tgroshon

def fib_n_recur(n):
    ''' Recursive fibonnaci 
    
    Pro: Matches mathematical definition
    Con: O(2^n) runtime; n > 40 crazy slow; will blow the stack on large n
    '''
    if n == 0:
        return 0
    elif n == 1:

tgroshon

#!/usr/bin/env bash
set -e
IFS='|'
help_output () {
    echo "usage: amplify-push <--environment|-e <name>> <--simple|-s>"
    echo "  --environment  The name of the Amplify environment to use"
    echo "  --simple  Optional simple flag auto-includes stack info from env cache"
    exit 1
}

tgroshon

# These are your main API Types

type User {
  id: ID!
  name: String!
  email: AWSEmail
}

type Activity {
  id: ID!

tgroshon

from operator import itemgetter, eq
from functools import partial

"""
Find dictionary with ID = 2 in a functional way
"""
records = [{'id': 1}, {'id': 2}, {'id': 3}, {'id': 4}]

def compose(*funcs):
    def h(*args, **kwargs):

tgroshon

set nocompatible              " be iMproved, required
filetype off                  " required

" set the runtime path to include Vundle and initialize
set rtp+=~/.vim/bundle/Vundle.vim
call vundle#begin()

Plugin 'VundleVim/Vundle.vim' " required

Plugin 'mileszs/ack.vim'

tgroshon

;; -*- mode: emacs-lisp; lexical-binding: t -*-
;; This file is loaded by Spacemacs at startup.
;; It must be stored in your home directory.

(defun dotspacemacs/layers ()
  "Layer configuration:
This function should only modify configuration layer settings."
  (setq-default
   ;; Base distribution to use. This is a layer contained in the directory
   ;; `+distribution'. For now available distributions are `spacemacs-base'