João Antonio Ferreira joao-parana

https://orcid.org/0000-0002-9057-4643

joao-parana / BasicAuthenticationFilter.java

Created October 10, 2017 14:26 — forked from neolitec/BasicAuthenticationFilter.java

HTTP Basic authentication Java filter

	package com.neolitec.examples;

	import org.apache.commons.codec.binary.Base64;
	import org.apache.commons.lang.StringUtils;
	import org.slf4j.Logger;
	import org.slf4j.LoggerFactory;

	import javax.servlet.*;
	import javax.servlet.http.HttpServletRequest;
	import javax.servlet.http.HttpServletResponse;

joao-parana / jvm-tools.md

Created November 18, 2017 19:43 — forked from fwbrasil/jvm-tools.md

Benchmarking

Useful options:

joao-parana / hello.html

Last active December 18, 2017 19:04

SOMA 01 - Hello World

	<!DOCTYPE html>
	<html lang="en">
	<head>
	<meta charset="UTF-8">
	<meta name="description" content="SOMA 01 - Hello World">
	<title>SOMA 01 - Hello World</title>
	</head>
	<body>
	<script src="https://d3js.org/d3.v4.min.js" charset="utf-8"></script>
	<script>

joao-parana / index.html

Last active December 19, 2017 03:21

Exemplo simples com select

	<!DOCTYPE html>
	<html lang="en">
	<head>
	<meta charset="UTF-8">
	<meta name="description" content="SOMA 01 - Hello World">
	<title>SOMA 01 - Hello World</title>
	</head>
	<body>
	<div id="page"></div>
	<script src="https://d3js.org/d3.v4.min.js" charset="utf-8"></script>

joao-parana / index.html

Last active December 19, 2017 11:28

SOMA 02 - data binding

	<!DOCTYPE html>
	<html>
	<head>
	<meta name="description" content="data-binding">
	</head>
	<body>
	<script src="https://d3js.org/d3.v4.min.js" charset=" utf-8"></script>
	<script>
	var selector = d3.select('body')
	.selectAll('span')

joao-parana / map-pushdow.sc

Last active April 20, 2018 19:15

Using CatalystExtension Points in Spark

	// Este script é para rodar no Ammonite.
	// Crie o arquivo catalyst_04.sc com este conteúdo
	// Dentro da shell REPL do Ammonitem, você deve invocar assim:
	// import $file.catalyst_04, catalyst_04._
	//
	// Mas antes execute estes tres comandos abaixo
	// import coursier.MavenRepository
	// interp.repositories() ++= Seq(MavenRepository("file:/Users/admin/.m2/repository"))
	// import $ivy.`org.apache.spark::spark-sql:2.3.0`

joao-parana / .block

Created March 28, 2018 14:29 — forked from mbostock/.block

Chord Diagram

joao-parana / kubernetes-dnd.sh

Last active June 30, 2018 23:02

	# Usando o Kubernetes com Docker in Docker (DIND)

	sudo mkdir -p /usr/local
	cd /usr/local
	sudo mkdir dind-cluster
	cd dind-cluster/
	sudo chmod o+w .
	ls -lat .. \| head
	# wget https://cdn.rawgit.com/kubernetes-sigs/kubeadm-dind-cluster/master/fixed/dind-cluster-v1.10.sh
	curl -O https://cdn.rawgit.com/kubernetes-sigs/kubeadm-dind-cluster/master/fixed/dind-cluster-v1.10.sh

joao-parana / Workflow01UDFs.scala

Created August 4, 2018 16:29

	def happyEmployees(salary: Int) => salary > 2200

	def smartTextCase(name: String) => name.toUpperCase()

joao-parana / W1.scala

Created October 1, 2018 20:27

	import org.apache.spark.sql.SparkSession
	import org.apache.spark.sql.SparkSession.Builder
	import org.apache.spark.SparkContext
	import org.apache.log4j.{Level, Logger}
	// A sparkSession é provida pelo proprio Spark Shell
	// O nivel de log também já é configurado pela Spark Shell
	def boolean_udf_wrapper(a:String, b:String, t:Any): Boolean = { true }
	def string_udf_wrapper(a:String, b:String, t:Any): String = { "••••" }
	import org.apache.spark.sql.functions.expr
	import org.apache.spark.sql.functions.sum