Working from home

Marcio Mangar mangar

Working from home

Go, Python, Java, C#, Kotlin, Arduino, RPi, Node.JS, Angular, GCP, AWS, Azure, NoSQL

mangar / ubuntu_change_date

Created January 10, 2018 11:56

How to change date and time on Ubuntu - The best way

mangar / docker_time_sync.sh

Created April 28, 2017 14:27

Docker - Problems with Time sync - Americas/Sao_Paulo

	# Define America/Sao_Paulo
	echo America/Sao_Paulo >/etc/timezone; dpkg-reconfigure -f noninteractive tzdata

	# Sync clock
	docker run --rm --privileged mangar/rails-pg:5.0.2.1 hwclock -s

	echo "Enjoy!"

mangar / codigo.gs

Created January 24, 2017 12:20

[Google Drive - Spreadsheet] Read spreadsheet (+ tabs) compose and send email...

	/**
	function sendEmails() {
	var sheet = SpreadsheetApp.getActiveSheet();
	var startRow = 2; // First row of data to process
	var numRows = 2; // Number of rows to process

	// Fetch the range of cells A2:B3
	var dataRange = sheet.getRange(startRow, 1, numRows, 2)

	// Fetch values for each row in the Range.

mangar / pipes.truncate.ts

Created October 5, 2016 18:22

Truncate Pipe for Angular2

	import { Pipe, PipeTransform } from '@angular/core';

	@Pipe({name: 'truncate'})
	export class Truncate implements PipeTransform {
	transform(value: string, args: string[]) : string {
	let limit = args.length > 0 ? parseInt(args[0], 10) : 10;
	let trail = args.length > 1 ? args[1] : '...';
	return value.length > limit ? value.substring(0, limit) + trail : value;
	}
	}

mangar / nginx.conf

Created May 11, 2016 20:24

Nginx config upstream. Reverse proxy for docker + ngrok


	#user nobody;
	worker_processes 1;

	#error_log logs/error.log;
	#error_log logs/error.log notice;
	#error_log logs/error.log info;

	#pid logs/nginx.pid;

mangar / MyArray.swift

Created March 14, 2016 14:56

Shuffle an array - Swift

mangar / action_controller.rb

Created December 31, 2015 14:50

Formatar numero (Rails) em valor monetário (R$) ... dentro de um controller, por exemplo

	def formatar_valor_BRL(valor)
	ActionController::Base.helpers.number_to_currency(valor, :unit => "R$ ", :separator => ",", :delimiter => ".")
	end

mangar / helper.rb

Created December 31, 2015 14:49

Formatar numero (Rails) em valor monetário (R$)

	def number_to_currency_br(number)
	number_to_currency(number, :unit => "R$ ", :separator => ",", :delimiter => ".")
	end

mangar / DAO.java.java

Created October 17, 2015 23:31

AbstractDAO

	import java.util.List;
	import java.util.Map;

	public interface DAO {
	public Boolean save(Map<?, ?> param);

	public List<?> getAll();
	}

mangar / create_structure.rb

Created October 17, 2015 22:54