aaronfeng’s gists

aaronfeng / gist:2898189

Created June 8, 2012 21:27

hive bin

aaronfeng / gist:2882234

Created June 6, 2012 14:30

hive insert overwrite directory

	INSERT OVERWRITE DIRECTORY '${OUTPUT_BUCKET}/results/report/region=${REGION}/dt=${DATE}'
	SELECT
	dt,
	col1,
	col2,
	col3,
	col4,
	col5,
	col6,
	avg(col7) col7,

aaronfeng / gist:2314705

Created April 5, 2012 22:32

first cloud foundry app

	Would you like to deploy from the current directory? [Yn]: Y
	Application Name: testapp
	Detected a Rails Application, is this correct? [Yn]: Y
	Memory Reservation (64M, 128M, 256M, 512M, 1G, 2G) [256M]: 64M
	Creating Application: OK
	Would you like to bind any services to 'testapp'? [yN]: y
	The following system services are available
	1: mysql
	Please select one you wish to provision: 1
	Specify the name of the service [mysql-4f8ad]:

aaronfeng / gist:2252288

Created March 30, 2012 15:28

	> ec2-describe-instances i-b06671d4
	RESERVATION r-0de6606e 444992366026 jenkins
	INSTANCE i-b06671d4 ami-df25fbb6 ec2-107-22-153-110.compute-1.amazonaws.com domU-12-31-38-01-BA-E3.compute-1.internal running riot-laptop 0 m1.small 2012-03-30T15:00:30+0000 us-east-1a aki-88aa75e1 monitoring-disabled 107.22.153.110 10.253.189.13 instance-store paravirtual xen sg-7c440e15 default
	TAG instance i-b06671d4 Name

aaronfeng / gist:2252163

Created March 30, 2012 15:07

centos 6.2 AMI pv-grub

aaronfeng / gist:2007838

Created March 9, 2012 18:14

hbase scan root

	hbase(main):003:0> scan '-ROOT-'
	ROW COLUMN+CELL
	.META.,,1 column=info:server, timestamp=1331294048767, value=localhost:43419
	.META.,,1 column=info:serverstartcode, timestamp=1331294048767, value=1331294040049
	1 row(s) in 0.0120 seconds

aaronfeng / gist:2007817

Created March 9, 2012 18:07

hbase create table error

	Type "exit<RETURN>" to leave the HBase Shell
	Version 0.92.0-cdh4b1, rUnknown, Fri Feb 10 17:42:51 PST 2012

	hbase(main):001:0> create 'foo', 'bar'
	SLF4J: Class path contains multiple SLF4J bindings.
	SLF4J: Found binding in [jar:file:/usr/lib/hbase/lib/slf4j-log4j12-1.5.8.jar!/org/slf4j/impl/StaticLoggerBinder.class]
	SLF4J: Found binding in [jar:file:/usr/lib/zookeeper/lib/slf4j-log4j12-1.6.1.jar!/org/slf4j/impl/StaticLoggerBinder.class]
	SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an explanation.

	ERROR: org.apache.hadoop.hbase.client.RetriesExhaustedException: Failed after attempts=7, exceptions:

aaronfeng / euler22.awk

Created August 13, 2011 04:36

project euler #22

	# http://projecteuler.net/index.php?section=problems&id=22

	BEGIN {RS=",";}

	{
	gsub(/"/, "", $1);
	names[NR] = $1
	}

	END {

aaronfeng / rescue_fun.rb

Created June 14, 2011 16:20

Random rescue trivia

	# before running the program, do you know what is the output?

	begin
	begin
	raise Exception.new
	rescue
	puts "Inner Exception"
	end
	rescue Exception
	puts "Outter Exception!"

aaronfeng / cd_into_method_error.pry

Created May 29, 2011 22:14

pry cd into method error

	pry(main)> cd PeopleController
	pry(PeopleController):1> ls -M
	[:create, :destroy, :edit, :index, :new, :show, :update]
	pry(PeopleController):1> cd method(:show)
	NameError: undefined method `show' for class `Class'
	from /Users/afeng/.rvm/gems/ruby-1.9.2-p180/gems/pry-0.8.3/lib/pry/commands.rb:734:in `eval'
	pry(PeopleController):1> cd method(show)
	NameError: undefined local variable or method `show' for PeopleController:Class
	from /Users/afeng/.rvm/gems/ruby-1.9.2-p180/gems/pry-0.8.3/lib/pry/commands.rb:734:in `eval'
	pry(PeopleController):1> cd method('show')

Aaron Feng aaronfeng