fabrizioc1

## Mining_Massive_Datasets.ipynb

      
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                fabrizioc1
                / Mining_Massive_Datasets.ipynb
            
            
              Created
              March 29, 2018 06:47
            
          
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## redis_failover_proxy.go
package main

import (
  "fmt"
  "log"
  "net"
  "sync"
  "time"
  "strings"
  "runtime"

## binary_search_tree.rb
=begin

3,5,2,7,1

  3
 2 5
1   7

=end

## rspec_performance_test.rb
    context 'performance' do
      before do
        require 'benchmark'
        @posts = []
        @users = []
        8.times do |n|
          user = Factory.create(:user)
          @users << user
          aspect = user.aspects.create(:name => 'people')
          connect_users(@user, @aspect0, user, aspect)

## fsm-ruby-warrior.rb
class Player
  def initialize
    @max_health = 20
    @last_health = @max_health
    @taking_damage = false
    @directions = [:backward, :forward]
    @current_direction = :forward
    @reached_wall = false
  end


## election_candidate.rb
# http://zookeeper.apache.org/doc/r3.3.4/recipes.html#sc_leaderElection
require 'rubygems'
require 'bundler/setup'
require 'zookeeper'
require 'hashie'

class ElectionCandidate
  ROOT_PATH = "/election"
  NODE_PATH = "candidate_"

## java_timezones.groovy
new File("/tmp/java_timezones.txt").withWriter { out ->
    TimeZone.getAvailableIDs().each{ timezoneId ->
        timezone = TimeZone.getTimeZone(timezoneId)
        def items = [timezone.getID(),
        (int)(timezone.getRawOffset()/1000),
        (int)(timezone.getDSTSavings()/1000)]
        out.print sprintf("%6d %32s %6d\n",items[1],items[0],items[2])
    }
}

## tcpdump_memcached.sh
sudo tcpdump -w /tmp/memcached.pcap -i any -A -vv 'port 11211'

## memory_estimate.rb
# can probably cross reference with ltrace
# this removes shared libraries from the total memory count
def memory_estimate(pid)
  `sudo pmap #{pid}`.lines.reject{|line|
    line[%r[/lib[^.]+\.so]] or line[/^ total/]
  }.drop(1).reduce(0){|total,line|
    total + line.match(/(\d+)K/)[1].to_i
  }
end

## graham_scan.hs
-- Read: http://en.wikipedia.org/wiki/Graham_scan
-- ================================================ --
-- ===========  Definitions/Imports  ============== --
-- ================================================ --

import Data.List

-- ch03/ex09.hs
data Direction = LeftTurn | RightTurn | Straight deriving (Show,Eq)
data Point2D = Point2D {x :: Double, y :: Double} deriving (Show,Ord,Eq)
	package main

	import (
	"fmt"
	"log"
	"net"
	"sync"
	"time"
	"strings"
	"runtime"
	context 'performance' do
	before do
	require 'benchmark'
	@posts = []
	@users = []
	8.times do \|n\|
	user = Factory.create(:user)
	@users << user
	aspect = user.aspects.create(:name => 'people')
	connect_users(@user, @aspect0, user, aspect)
	class Player
	def initialize
	@max_health = 20
	@last_health = @max_health
	@taking_damage = false
	@directions = [:backward, :forward]
	@current_direction = :forward
	@reached_wall = false
	end
	# http://zookeeper.apache.org/doc/r3.3.4/recipes.html#sc_leaderElection
	require 'rubygems'
	require 'bundler/setup'
	require 'zookeeper'
	require 'hashie'

	class ElectionCandidate
	ROOT_PATH = "/election"
	NODE_PATH = "candidate_"
	new File("/tmp/java_timezones.txt").withWriter { out ->
	TimeZone.getAvailableIDs().each{ timezoneId ->
	timezone = TimeZone.getTimeZone(timezoneId)
	def items = [timezone.getID(),
	(int)(timezone.getRawOffset()/1000),
	(int)(timezone.getDSTSavings()/1000)]
	out.print sprintf("%6d %32s %6d\n",items[1],items[0],items[2])
	}
	}
	# can probably cross reference with ltrace
	# this removes shared libraries from the total memory count
	def memory_estimate(pid)
	`sudo pmap #{pid}`.lines.reject{\|line\|
	line[%r[/lib[^.]+\.so]] or line[/^ total/]
	}.drop(1).reduce(0){\|total,line\|
	total + line.match(/(\d+)K/)[1].to_i
	}
	end
	-- Read: http://en.wikipedia.org/wiki/Graham_scan
	-- ================================================ --
	-- =========== Definitions/Imports ============== --
	-- ================================================ --

	import Data.List

	-- ch03/ex09.hs
	data Direction = LeftTurn \| RightTurn \| Straight deriving (Show,Eq)
	data Point2D = Point2D {x :: Double, y :: Double} deriving (Show,Ord,Eq)