pauca’s gists

pauca / akkaQueueExample.scala

Created March 5, 2020 12:17

akkaQueueExample.scala


	import akka.actor._
	import akka.actor.ActorLogging
	import akka.actor.ActorSystem
	import akka.stream._
	import akka.stream.actor.ActorSubscriberMessage._
	import akka.stream.actor._
	import akka.stream.scaladsl._
	import akka.{ NotUsed, Done }
	import scala.io.Source

pauca / fileToMd5.scala

Created June 14, 2019 09:18

get md5sum from path with scala

	//inspired by http://www.michaelpollmeier.com/2018/12/10/checksum-files-scala

	import java.io.File
	import java.nio.file.Files
	import java.security.{DigestInputStream, MessageDigest}
	import scala.collection.JavaConverters._

	def md5(roots: File*): String = {
	val md = MessageDigest.getInstance("MD5")
	roots.foreach { root =>

pauca / gist:24a194c867e11f1730bd4f172da97a0d

Created March 15, 2018 14:42

scala php crypto ciper match


	import javax.crypto._
	import javax.crypto.spec._
	import java.util.Base64

	val message= "Hello"
	val secret = "eGkmaYd3PE9x3Z221x7b2nXmJ7ACGrjf"
	val ivString = "0123456789012345"

	val ciper: Cipher = Cipher.getInstance("AES/CBC/PKCS5Padding")

pauca / get_script_dir.sh

Created January 23, 2018 14:28

get_script_dir with bash

	#!/bin/bash
	set -e
	set +u

	get_script_dir () {
	SOURCE="${BASH_SOURCE[0]}"
	# While $SOURCE is a symlink, resolve it
	while [ -h "$SOURCE" ]; do
	DIR="$( cd -P "$( dirname "$SOURCE" )" && pwd )"
	SOURCE="$( readlink "$SOURCE" )"

pauca / GzipCompressor.scala

Last active September 22, 2017 12:51

Gist to stream strings to a akka queue that gzips and stores

	import akka.actor._
	import akka.actor.ActorLogging
	import akka.actor.ActorSystem
	import akka.stream._
	import akka.stream.actor.ActorSubscriberMessage._
	import akka.stream.actor._
	import akka.stream.scaladsl._
	import akka.{ NotUsed, Done }
	import akka.util.ByteString
	import java.io._

pauca / binaryDistances.R

Last active June 19, 2017 12:28

binary distances R ( tanimoto)

	# http://www.sequentix.de/gelquest/help/distance_measures.htm

	bdist <- function( x, y , method ){
	a <- sum( x == 1 & y == 1)
	b <- sum( x == 1 & y == 0)
	c <- sum( x == 0 & y == 1)
	d <- sum( x == 0 & y == 0)

	switch(method,
	tanimoto = (a+d)/(a+2*(b+c)+d),

pauca / AkkaStreamTemplate.scala

Created June 9, 2017 15:34

Basic Akka Stream Template: read, transform, write

pauca / StoreRocksDB.scala

Last active January 24, 2022 17:11

Template for testing: RocksDB with Scala

	import java.io.File
	import org.rocksdb._
	import org.rocksdb.util.SizeUnit
	import scala.collection.JavaConversions._

	// build.sbt
	// name := "RocksDB"
	// version := "0.1"
	// scalaVersion := "2.12.0"
	// libraryDependencies += "org.rocksdb" % "rocksdbjni" % "5.0.1"

pauca / replaceSymLinks.sh

Last active April 11, 2017 13:12

replace symbolik links in current directory by originals, and remove them

	# loop over symbolik links in current directory
	for f in `find . -maxdepth 1 -type l ` ; do
	# get symlink destination
	g=` readlink $f `
	# move original to directory
	cp -f $g .
	# clean
	if [ $? == 0 ]; then
	rm -f $g
	rm -f $f

pauca / RqcScript.R

Last active January 19, 2017 11:22

Rqc - memory error reproduce

Pau Carrió pauca