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What's software engineering at all?

• chief scribe: the make up of everything intangible on our devices.

What's backend?

• Backend is the code that's stored on a computer somewhere that processes what

What's the terminal?

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Commands

ls - for listing touch - for creating files cd - for changing directory cd .. cd ../../.. mkdir - for creating folder pwd - for telling where we currently are cp - for copying files

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def gradingStudents(grades):
    # Write your code here
    def roundd(grade):
        if grade >= 38:
            int_part = grade // 10 #64/10
            remainder = grade % 10
            
            if remainder >= 8:
                return int_part*10 + 10
            elif 5 >= remainder >= 3:

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class Solution:
    def myAtoi(self, s: str) -> int:
        s = s.strip()
        
        if not s:
            return 0
        
        sign = 1
        
        if s[0] == "-" or s[0] == "+":

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class Solution:
    def minRemoveToMakeValid(self, s: str) -> str:
        #input: aart(bb)))cd((b)
        #output: aart(bb)cd(b)
        
        #1. find an open bracket. If none, empty
        #2. If I find an open bracket, increment left by 1, look for corresponding closing bracket. 
        #3. If found, reduce left by 1, start looking for next bracket. Else, plan to remove.
        #4. keep track of indices of brackets to remove.
        #5. Remove them

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Basic commands and tips for bullettrain.io

Scaffold views and controller for a model User with an association to Team

bin/super-scaffold crud User Team current_team_id:text_field{class_name=Team}

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### ... new endpoint 

@app.route('/api/twitter_auth_callback', methods=["GET"])
@cross_origin()
def twitter_callback():
    try:
        oauth_token = request.args.get('oauth_token')
        oauth_verifier = request.args.get('oauth_verifier')
        auth = tweepy.OAuthHandler(consumer_key, consumer_secret)

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import React, { useState, useEffect } from 'react';
import axios from 'axios';

function Twittercallback() {
    const API_URL = "http://localhost:5000"
    const [data, setData] = useState({});
    useEffect(() => {
        //pick params and send api request to get final user data
        const path = window.location.href;
        if (path.includes("?")){

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import React from 'react';
import { BrowserRouter, Routes, Route } from "react-router-dom";
import ReactDOM from 'react-dom/client';
import './index.css';
import App from './App';
import Twittercallback from './TwitterCallback'; //new
import reportWebVitals from './reportWebVitals';

const root = ReactDOM.createRoot(document.getElementById('root'));
root.render(

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import axios from 'axios';
import './App.css';

function App() {
  const API_URL = "http://localhost:5000"

  const initTwitterAuth = () => { //new
    axios.request({ //new
      method: "post", //new
      url: `${API_URL}/api/auth_twitter`, //new