timotta’s gists

timotta / gist:dd9ca943b0fbd3382648679ba3a2c642

Created January 11, 2019 11:31

Terminal random chars

cat /dev/urandom | tr -dc 'a-zA-Z' | fold -w 10 | head -n 1

timotta / imports.py

Created August 31, 2018 14:25

	from sklearn.linear_model import LogisticRegression
	from sklearn.neighbors import KNeighborsClassifier
	from sklearn.svm import SVC
	from sklearn.gaussian_process import GaussianProcessClassifie
	from sklearn.ensemble import RandomForestClassifier
	from sklearn.neural_network import MLPClassifier
	from sklearn.ensemble import AdaBoostClassifier
	from sklearn.naive_bayes import GaussianNB
	from sklearn.discriminant_analysis import QuadraticDiscriminantAnalysis

timotta / HBaseRegions.scala

Last active May 7, 2018 22:17

HBaseRegions with the method `online` that returns only the regions that are returning ok

	import org.apache.hadoop.hbase.HRegionInfo
	import org.apache.hadoop.hbase.HBaseConfiguration
	import org.apache.hadoop.hbase.HConstants
	import org.apache.hadoop.hbase.client.ConnectionFactory
	import org.apache.hadoop.hbase.util.Bytes
	import org.apache.hadoop.hbase.filter.PrefixFilter
	import org.apache.hadoop.hbase.TableName
	import org.apache.hadoop.hbase.client.Scan
	import scala.util.Try
	import scala.collection.JavaConverters._

timotta / MapBenchmark.scala

Last active March 20, 2018 23:57

Scala mutable map is in average 63% worst than java HashMap, and 42% worst in median

	import java.util.ArrayList
	import java.util.HashMap
	import scala.collection.JavaConverters.asScalaBufferConverter
	import scala.collection.mutable.{Map => MapMutable}

	object MapBenchmark {
	def main(args: Array[String]): Unit = {

	val hm = new HashMap[String, String]()
	hm.put("teste1", "ok1")

timotta / MapBenchmark.scala

Created March 20, 2018 23:47

Result:

	import java.util.ArrayList
	import java.util.HashMap
	import scala.collection.JavaConverters.asScalaBufferConverter
	import scala.collection.mutable.{Map => MapMutable}

	object MapBenchmark {
	def main(args: Array[String]): Unit = {

	val hm = new HashMap[String, String]()
	hm.put("teste1", "ok1")

timotta / MapBenchmark.scala

Created March 20, 2018 23:47

Result:

	import java.util.ArrayList
	import java.util.HashMap
	import scala.collection.JavaConverters.asScalaBufferConverter
	import scala.collection.mutable.{Map => MapMutable}

	object MapBenchmark {
	def main(args: Array[String]): Unit = {

	val hm = new HashMap[String, String]()
	hm.put("teste1", "ok1")

timotta / circle-rays.py

Created November 22, 2017 20:14

Circles and rays for jewelery measure

	from PIL import Image, ImageDraw
	import math

	increment = 10
	margin = 0
	size = 640*2
	angle_increment = 5

	image = Image.new('RGBA', (size, size))
	draw = ImageDraw.Draw(image)

timotta / KryoExperiment.scala

Created May 19, 2015 02:11

	object KryoExperiment {

	case class SomeClass(x: String, v: String)
	case class BigClass(x: String, v: Long, k: Double)

	def main(args: Array[String]): Unit = {
	val sparkConf1 = new SparkConf()
	.set("spark.serializer", "org.apache.spark.serializer.KryoSerializer")
	.registerKryoClasses(Array())

timotta / MiddleIncludeProcessor.rb

Last active August 29, 2015 14:15

	require 'sprockets/directive_processor'

	class MiddleIncludeProcessor < Sprockets::DirectiveProcessor

	def prepare
	@pathname = Pathname.new(file)
	@header = ''
	@body = data
	@included_pathnames = []
	@compat = false

timotta / teste-pool-2.py

Created December 5, 2012 00:50

geventhttpclient connection pool

	import gevent
	from geventhttpclient.url import URL
	from geventhttpclient.client import HTTPClient

	url = URL("http://musica.com.br/artistas/a/")
	http = HTTPClient.from_url(url, connection_timeout=5, concurrency=5)

	def get():
	print "Getting..."
	response = http.get(url.path)

Tiago Albineli Motta timotta