MicTech

Lightning talks

SQUnit
https://github.com/Sqdw/SQUnit

The Reactive Extensions (Rx)
http://msdn.microsoft.com/en-us/data/gg577609.aspx

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MicTech

eval t=_time
- convert time information to epoch time

delta _time as diff
- return delta between events

MicTech

[ubuntu-server] sudo apt-get install python-software-properties

sudo add-apt-repository ppa:webupd8team/java
sudo apt-get update
sudo apt-get install oracle-java7-installer
java -version

MicTech

➜ hadoop --version
Error: No command named `--version' was found. Perhaps you meant `hadoop -version'
➜ hadoop -version
Error: No command named `-version' was found. Perhaps you meant `hadoop version'
➜ hadoop version
Hadoop 2.2.0

MicTech

// Use Gists to store code you would like to remember later on
console.log(window); // log the "window" object to the console

MicTech

#resources
https://pig.apache.org/
http://hortonworks.com/hadoop-tutorial/how-to-use-basic-pig-commands/
http://engineering.linkedin.com/open-source/introducing-datafu-open-source-collection-useful-apache-pig-udfs
http://pig.apache.org/docs/r0.7.0/piglatin_ref2.html

#terminal
hadoop dfs -copyFromLocal /tmp/NYSE_daily_prices_A.csv /NYSE_daily_prices_A.csv

###Following operation may not make sense for stack data, but I using them only for playing with Pig.

MicTech

CREATE (shakespeare:Author { firstname: 'William', lastname: 'Shakespeare' }),
(juliusCaesar:Play { title: 'Julius Caesar' }),
(shakespeare)-[:WROTE_PLAY { year: 1599 }]->(juliusCaesar),
(theTempest:Play { title: 'The Tempest' }),
(shakespeare)-[:WROTE_PLAY { year: 1610}]->(theTempest),
(rsc:Company { name: 'RSC' }),
(production1:Production { name: 'Julius Caesar' }),
(rsc)-[:PRODUCED]->(production1),
(production1)-[:PRODUCTION_OF]->(juliusCaesar),
(performance1:Performance { date: 20120729 }),

MicTech

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)

MicTech

#Based on Petr's code - https://github.com/PetrVales

#You need PiggyBank library
#info: https://cwiki.apache.org/confluence/display/PIG/PiggyBank
#jar: http://search.maven.org/#search%7Cga%7C1%7Cpiggybank

#start pig in local mode
pig -x local

#register PiggyBank library

MicTech

<?xml version="1.0" encoding="UTF-8"?>
<jmeterTestPlan version="1.2" properties="2.6" jmeter="2.11 r1554548">
  <hashTree>
    <TestPlan guiclass="TestPlanGui" testclass="TestPlan" testname="Test Plan" enabled="true">
      <stringProp name="TestPlan.comments"></stringProp>
      <boolProp name="TestPlan.functional_mode">false</boolProp>
      <boolProp name="TestPlan.serialize_threadgroups">false</boolProp>
      <elementProp name="TestPlan.user_defined_variables" elementType="Arguments" guiclass="ArgumentsPanel" testclass="Arguments" testname="User Defined Variables" enabled="true">
        <collectionProp name="Arguments.arguments"/>
      </elementProp>