rklaehn

package cassandra;

import java.util.Iterator;

import com.netflix.astyanax.ColumnListMutation;
import com.netflix.astyanax.serializers.AsciiSerializer;
import com.netflix.astyanax.serializers.LongSerializer;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

aq1018

curl -XDELETE 'http://localhost:9200/media'

curl -XPUT 'http://localhost:9200/media' -d'
{
  "mappings": {
    "movie": {
      "properties": {
        "genre": {
          "type": "string",
          "analyzer": "keyword"

indapublic

#!/bin/bash
# To use: 
# wget https://gist.githubusercontent.com/indapublic/11370314/raw/7cf3d956a02d90679988a1f1ca660104ec8e1fbc/amazon-install-redis.sh
# chmod 777 amazon-install-redis.sh
# ./amazon-install-redis.sh
###############################################
echo "*****************************************"
echo " 1. Prerequisites: Install updates, set time zones, install GCC and make"
echo "*****************************************"
#sudo yum -y update

cotdp

import org.apache.spark._
import org.apache.spark.SparkContext._
import org.json4s.jackson.JsonMethods
import org.json4s.jackson.JsonMethods._
import org.json4s.JsonAST._

object UserInterestsExample {

  def main(args: Array[String]): Unit = {
    val sc = new SparkContext("local[8]", "UserInterestsExample")

ueshin

Spark SQL samples for Spark Meetup

Initialize

Docker

https://github.com/ueshin/docker

$ docker run -it -p 14040:4040 spark:1.1.0-rc4

max-mapper

less commands

• open a file: less file.log
• type capital G: go to end of file
• type small g: go to beginning of file
• type ?: enter reverse search
• type /: enter forward search
• type n: skips to next search match
• type N: skips back to last search match

umit

umit

Category theory jargon cheat sheet

A primer/refresher on the category theory concepts that most commonly crop up in conversations about Scala or FP. (Because it's embarassing when I forget this stuff!)

I'll be assuming Scalaz imports in code samples, and some of the code may be pseudo-Scala.

Functor

A functor is something that supports map.

hubgit

<?xml version="1.0" encoding="UTF-8" ?>
<schema name="wikipedia" version="1.2">
  <types>
    <fieldType name="string" class="solr.StrField" sortMissingLast="true" omitNorms="true"/>
    <fieldType name="int" class="solr.TrieIntField" precisionStep="0" omitNorms="true" positionIncrementGap="0"/>

    <fieldType name="text" class="solr.TextField" positionIncrementGap="100">
      <analyzer type="index">
        <tokenizer class="solr.WhitespaceTokenizerFactory"/>
        <filter class="solr.WordDelimiterFilterFactory" generateWordParts="1" generateNumberParts="1" catenateWords="1" catenateNumbers="1" catenateAll="1" splitOnCaseChange="0" splitOnNumerics="0" stemEnglishPossessive="1"/>

emre

<?php

$a[] = array(
    "name"  => "emre",
    "price" => 99,    
);

$a[] = array(
        "name"  => "ali",
        "price" => 15,