ishassan

//CHECK ishassan/build.sbt as well
import org.apache.hadoop.hbase.client._
import org.apache.hadoop.hbase.util.Bytes
import org.apache.hadoop.hbase.{CellUtil, HBaseConfiguration, TableName}
import org.apache.hadoop.conf.Configuration
import scala.collection.JavaConverters._

object ScalaHBaseExample extends App{

  def printRow(result : Result) = {

nrollr

Install MySQL on OS X El Capitan

Normally the installation of MySQL can be achieved with a single command, which executes a script provided by MacMiniVault : bash <(curl -Ls http://git.io/eUx7rg)

However, at the time of writing the script is not compatible with OS X El Capitan (10.11)

Install MySQL using Homebrew

An alternative to the aforementioned installation script is installing MySQL using Homebrew. This gist assumes you already have Homebrew installed, if not first read the article "Homebrew and El Capitan"

Make sure Homebrew has the latest formulae, so run brew update first

jiayuzhou

1. How to log into slaves

---

One can log into the slave nodes using Agent Forwarding by SSH. Suppose that I find in the YARN log

java.nio.channels.CancelledKeyException
14/09/25 23:12:58 ERROR SendingConnection: Exception while reading SendingConnection to ConnectionManagerId(ip-172-31-xx-xx.ec2.internal,49972)
java.io.IOException: Connection reset by peer
...

I would like to SSH to the slave ip-172-31-xx-xx.ec2.internal to check the logs. To do so, firstly we have to add EMR identity to the agent

vparihar01

FIXME:
  WARNING: Nokogiri was built against LibXML version 2.7.3, but has dynamically loaded 2.7.8
                  or
  ERROR -: Incompatible library version: nokogiri.bundle requires version 11.0.0 or later, but libxml2.2.dylib provides version 10.0.0


gem uninstall nokogiri libxml-ruby
 
brew update
brew uninstall libxml2

atroutt

# From http://trevmex.com/post/7320627392/how-to-add-git-and-subversion-info-to-a-bash-prompt
function parse_git_dirty {
  [[ $(git status 2> /dev/null | tail -n1) != "nothing to commit (working directory clean)" ]] && echo "*"
}

function parse_git_branch {
  ref=$(git symbolic-ref HEAD 2> /dev/null) || return
  echo " ("${ref#refs/heads/}$(parse_git_dirty)")"
}

23Skidoo

module CYK
       where

import Control.Monad
import Data.Array.IArray
import Data.Array.MArray
import Data.Array.ST
import Data.Maybe
import qualified Data.Map as M