ghafran’s gists

ghafran / setup_spark_2.0_with_cassandra_connector.txt

Last active January 4, 2021 12:33

Setup Spark 2.0 with Cassandra Connector

	# install java
	sudo apt-get update -y
	sudo apt-get install software-properties-common -y
	sudo add-apt-repository -y ppa:openjdk-r/ppa
	sudo apt-get install wget -y
	sudo apt-get install openjdk-8-jdk -y
	sudo apt-get update -y

	# make serve directory
	sudo mkdir -p /srv

ghafran / gist:20e339c4bf9e2bfc3652

Last active September 17, 2020 05:27

install webrtc2sip on ubuntu

	#!/bin/bash

	#http://linux.autostatic.com/installing-webrtc2sip-on-ubuntu-1204#install_packages

	sudo su

	# install
	apt-get update
	apt-get install -y python-software-properties
	add-apt-repository ppa:autostatic/doubango

ghafran / install webrtc2sip

Last active September 7, 2020 07:12

	#!/bin/bash

	# https://code.google.com/p/webrtc2sip/wiki/Building_Source_v2_0

	sudo su

	sudo yum -y update
	sudo yum install -y make libtool autoconf subversion git cvs wget libogg-devel gcc gcc-c++ pkgconfig nasm

	#Building libsrtp

ghafran / gist:9585408

Last active August 29, 2015 13:57

Experiment with Kafka

	wget http://apache.petsads.us/kafka/0.8.1/kafka_2.9.2-0.8.1.tgz
	tar -xzf kafka_2.9.2-0.8.1.tgz
	cd kafka_2.9.2-0.8.1
	bin/zookeeper-server-start.sh config/zookeeper.properties
	bin/kafka-server-start.sh config/server.properties

	bin/kafka-topics.sh --create --zookeeper localhost:2181 --replication-factor 1 --partitions 1 --topic test
	bin/kafka-topics.sh --list --zookeeper localhost:2181
	bin/kafka-console-producer.sh --broker-list localhost:9092 --topic test

ghafran / MurmurHashV2.sql

Last active December 11, 2022 11:20

MySQL Function to Calculate Murmur Hash Murmurhash (MurmurHashV2)

	DROP FUNCTION IF EXISTS MurmurHashV2;
	DELIMITER //
	CREATE FUNCTION `MurmurHashV2`(`keyx` varchar(65535), `seed` int unsigned)
	RETURNS int unsigned
	BEGIN
	DECLARE l,i,m,r INT unsigned;
	DECLARE h,k BIGINT unsigned;
	SET l = LENGTH(keyx), i=1, m = 0x5bd1e995, r=24;
	SET h = seed ^ l;

ghafran / MurmurHashV3.sql

Last active June 19, 2023 22:32

MySQL Function to Calculate Murmur Hash Murmurhash (MurmurHashV3)

	DROP FUNCTION IF EXISTS MurmurHashV3;
	DELIMITER //
	CREATE FUNCTION `MurmurHashV3`(`keyx` varchar(65535), `seed` int unsigned)
	RETURNS int unsigned
	BEGIN
	DECLARE remainder,bytes,c1,c2,i, m1,m2 INT unsigned;
	DECLARE h1,k1,h1b BIGINT unsigned;
	SET remainder = LENGTH(keyx) & 3;
	SET bytes = LENGTH(keyx) - remainder;
	SET h1 = seed;

ghafran / node_dev_setup_ubuntu.sh

Created January 7, 2014 20:41

Setup node development environment on ubuntu