Oliver-ke

Chaincode Bitcoin Exercise

---

Student Details

• name: Kelechi Oliver A.
• email: kelechioliver96@gmail.com

Submission Comments

I added all my solution code to "custom_method", and then invoked it in "run_test".

Oliver-ke

// SPDX-License-Identifier: GPL-3.0

pragma solidity ^0.5.1;

// enums
// contract Mycontract2 {
//     // using enums in solidity
    
//     enum State { Waiting, Activated, Pending }
//     State public state; 

Oliver-ke

import React, {Component} from 'react';

class ErrorBoundary extends Component {
  constructor(props) {
    super(props)
    this.state = {
      hasError: false,
    }
  }
  

Oliver-ke

const Mailgun = require('mailgun-js');

const DOMAIN = 'mail.myfortvest.com';
const API_KEY = process.env.MAIL_API_KEY || '';
const PUBLIC_KEY = process.env.MAIL_PUBLIC_KEY || '';
const mailgun = Mailgun({ apiKey: API_KEY, domain: DOMAIN, publicApiKey: PUBLIC_KEY });

const sendMail = async (payload) => {
   const {variable, desc, ...rest} = payload;
    const variableKey = Object.keys(payload.variable);

Oliver-ke

This gist contains useful code, packagesS, script, commands for computer networking and systems admins

Scripts

Type: (powershell)

Purpose: Provides users file access to admin on login

$user = "presidential\wheel"
$paths = @($env:userprofile)
$folders = @(

Oliver-ke

Langage

• Typescript

Frontend

• Reactjs
• Jest
• Apollo Client
• Auth0
• Eslint and prettier
• Travis

Oliver-ke

import React, { useState, useEffect } from 'react';
import { Link, useHistory, useLocation } from "react-router-dom";
import axios from '../../services/axios';
import { message as alert } from 'antd';
import Header from '../header/header.component';
import './update-resources.css';
import Spinner from '../spinner/spinner.component';

export default function updateResource(props) {
  const [loading, setLoading] = useState(false);

Oliver-ke

Login to PostgreSQL from command line

sudo -u postgres psql postgres

or

psql -u [username] -d [database name]

Oliver-ke

Note on Full Stack development at Frontendmasters.com

note: exclude the leading $ for commands, that just shows it a bash script and is meant to be run in a terminal

---

Full Stack => Knowing everything up from the front to the back

Frontend can be

• Cars, -television, -browser, -etc

backend can be

• API's, -platform, -Database -Security,

Oliver-ke

VSCode Shortcuts

List of helpful shortcuts for faster coding

If you have any other helpful shortcuts, feel free to add in the comments of this gist :)

Official List of all commands

• Windows
• Mac