Michal Těhník MicTech

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MicTech / ndhk20121019

Created October 19, 2012 18:02

NerdDinner HK 2012.10.19

	Lightning talks

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

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

	-----

MicTech / Splunk

Last active December 18, 2015 10:10

	eval t=_time
	- convert time information to epoch time

	delta _time as diff
	- return delta between events

MicTech / javaonubuntu

Last active December 26, 2015 20:49

Java on Ubuntu

	[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 / gist:9323678

Created March 3, 2014 12:06

	➜ 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 / 0_reuse_code.js

Created March 19, 2014 13:27

Here are some things you can do with Gists in GistBox.

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

MicTech / script.sh

Last active August 29, 2015 13:58

Hadoop Pig playground

	#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 / Graph Databases

Last active August 29, 2015 14:00

Simplified Examples from Graph Databases

	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 / legacyGoL.cs

Created April 29, 2014 10:59

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

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

MicTech / avroToCsv.pig

Last active February 11, 2016 08:13

Avro to Csv in Pig

	#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 / consumer_App1_1.xml

Created May 17, 2014 16:25

Resources for article about ActiveMQ VirtualTopics.

	<?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>