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Intro to react-native cheatsheet

By Ira Herman

Notes to help you get started in react-native.

Cheatsheet Objectives

• Explain how react-native apps work, native UI with JS for logic.
• Explain what Expo does.

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UPDATE IN PROGRESS:

Experimenting with this instead:

• rbenv versions
• rbenv uninstall x.y.z # uninstall all versions from the last step
• brew uninstall rbenv
• uninstalling homebrew
• removing postgres.app
• reinstall homebrew - not in rosetta 2

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Basic workflow for git branching:

Create a branch called "my_feature_branch" and change your git to working on that branch:

git checkout -b my_feature_branch

The branch is an exact clone of what master was when you ran the command.

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4 different ways to write an arrow function with JSX

const SettingsPage = (props) => {
    return (
        <>
            <h1>SettingsPage</h1>
            <Link to="/">Home</Link>
        </>
 );

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How destructuring works:

Given the JS Object:

const user = { name: "Ira", email: "ira@example.com", favColor: "blue" };

making variables WITHOUT using destructuring:

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Cheat Sheet: Datastructures and Algorithms

By Ira Herman

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Live Video Walkthrough (bonus lesson) recording

================

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React Router

By Alex Merced Updates by Ira Herman

Learning Objectives

• Use React Router's BrowserRouter, Link, Route, Redirect, and Switch

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"Take-Home" Coding Challenge: Movies App

By Ira Herman

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This code challange prompt is modeled after real-world take-home code challenges/prompts many companies use as part of their technical interview process.

This will help you practice/prepare to build a mini-project off of specs, and give you practice/reinforcement using ReactJS with an API back end.

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How to access your MongoDB in a command-line node shell using mongoose

To load up a node console where you can access the database:

in terminal, run node then paste in these lines:

require("dotenv").config();
// Connect to mongodb:
require("./config/database");
// Load up our models:

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Run Server:

python3 manage.py runserver

Create DB:

createdb

Make migrations:

python3 manage.py makemigrations

Migrate DB: