albertosouza

// text.txt file is in same folder where we are running this script
let filePath = path.join(process.cwd(), 'text.txt'); 
// Check if file exists and have access with fs.access:
fs.access(filePath, fs.F_OK, function (err) {
  if (err) {
    console.log('file not exists or not have access');
  } else {
    console.log('file exists');
  }
});

albertosouza

const axios = require('axios-https-proxy-fix');

/**
 * @author Caleb Lemoine
 * @param {object} opts easy-soap-request options
 * @param {string} opts.url endpoint URL
 * @param {object} opts.headers  HTTP headers, can be string or object
 * @param {string} opts.xml SOAP envelope, can be read from file or passed as string
 * @param {int} opts.timeout Milliseconds before timing out request
 * @param {object} opts.proxy Object with proxy configuration

albertosouza

Exemplos de como pegar o href de links com cherrio:

Pegar todos os links e retirar o href:

var links = $('a');
$(links).each(function(i, link){
  console.log($(link).attr('href));
});

Pegar o href re um link selecionado com id:

albertosouza

/**
 * Script simples para importação de dados de cotação da Bovespa
 *
 * Requisitos:
 *   - Node.js instalado
 *   - instalar as dependencias: npm install extract-zip moment request
 *
 * Exemplo de uso: node script_simples_importaca_cota_hist_bovespa.js 05022019
 *
 * Post relacionado: https://albertosouza.net/artigos/22-importando-dados-bovespa

albertosouza

<script type="application/ld+json">
{
"@context" : "http://schema.org",
"@type" : "Organization",
"name" : "example",
"logo": "https://example.com.tw/logo.png",
"url" : "https://example.com.tw/",
"address" : "address",
"email" : "example@.com.tw",
"founder" : "you can use People type here",

albertosouza

var gm = require('gm');

var canvasWidth = 248;
var canvasHeight = 389;

gm(__dirname + '/original.jpg').size(function(error, size) {
  if (error) {
    console.error(error);

albertosouza

Copied from http://code.lancepollard.com/complete-list-of-html-meta-tags/

Basic HTML Meta Tags

<meta charset='UTF-8'>
<meta name='keywords' content='your, tags'>
<meta name='description' content='150 words'>
<meta name='subject' content='your website's subject'>
<meta name='copyright' content='company name'>

albertosouza

O we messenger hoje possuí uma estrutura distribuída distribuída com um app de cliente ember.js e a API (server) com we.js e o plugin we-plugin-messenger

Repositórios relacionados:

• APP cliente: https://github.com/wejs/we-client-emberjs-messenger
• Server / projeto de teste para a API: https://github.com/wejs/site
• Plugin para adicionar a API no projeto de servidor: https://github.com/wejs/we-plugin-messenger

Como montar a estrutura de serviços?

1- Clonar e instalar o projeto do site do We.js https://github.com/wejs/site

albertosouza

GNU GENERAL PUBLIC LICENSE

Version 3, 29 June 2007

Copyright © 2007 Free Software Foundation, Inc. <http://fsf.org/>

Everyone is permitted to copy and distribute verbatim copies of this license document, but changing it is not allowed.

albertosouza

#!/bin/bash

#node
sudo apt-get install curl
curl -sL https://deb.nodesource.com/setup_0.12 | sudo bash -
sudo apt-get install nodejs

#mysql
sudo apt-get install mysql-server mysql-client