vitorbritto

Remove MySQL completely

1. Open the Terminal

2. Use mysqldump to backup your databases

3. Check for MySQL processes with: ps -ax | grep mysql

4. Stop and kill any MySQL processes

5. Analyze MySQL on HomeBrew:

   brew remove mysql
   

vitorbritto

Regular Expressions

Basic Syntax

• /.../: Start and end regex delimiters
• |: Alternation
• (): Grouping

vitorbritto

Dev List Bookmarks

Attention: the list was moved to https://github.com/vitorbritto/dev-list

This page is not maintained anymore, please update your bookmarks.

---

Recently, I decided to organize my bookmarks. So, like a good fellow, I am sharing with you. I hope you enjoy!

vitorbritto

#!/bin/bash


# ------------------------------------------------------------------------------
# | System                                                                     |
# ------------------------------------------------------------------------------

# Navigation
# -------------------

vitorbritto

<ErrorBoundary>
  <MyComponent />
</ErrorBoundary>

vitorbritto

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

  static getDerivedStateFromError(error) {
    // Update state so the next render will show the fallback UI.
    return { hasError: true };

vitorbritto

import React from 'react';
import ReactDOM from 'react-dom';
import './index.css';
import App from './App';
import * as serviceWorker from './serviceWorker';
import { AppError } from './components/AppError';

ReactDOM.render(
  <React.StrictMode>
    <AppError>

vitorbritto

import { Component } from 'react';

const ErrorComponent = () => {
  return <h1>Something went wrong</h1>;
};

export class AppError extends Component {
  state = {
    hasError: false,
  };

vitorbritto

Vim Commands Cheat Sheet

How to Exit

Command	Description
:q[uit]	Quit Vim. This fails when changes have been made.
:q[uit]!	Quit without writing.
:cq[uit]	Quit always, without writing.

vitorbritto

MySQL

Getting started:

• http://www.sqlteaching.com/
• https://www.codecademy.com/courses/learn-sql

Related tutorials:

• MySQL-CLI: https://www.youtube.com/playlist?list=PLfdtiltiRHWEw4-kRrh1ZZy_3OcQxTn7P
• Analyzing Business Metrics: https://www.codecademy.com/learn/sql-analyzing-business-metrics