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# http://wiki.joyent.com/wiki/display/jpc2/Setting+the+Host+Name+for+SmartMachine+Standard
sm-set-hostname mydomain.com

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#!/usr/bin/python
import sys, os, re, socket, time


"""ARGF from Ruby in Python.
Released into the public domain by Andrew Gwozdziewycz, 2010
"""
class _ARGF(object):

    def __init__(self):

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Description

This simple script will take a picture of a whiteboard and use parts of the ImageMagick library with sane defaults to clean it up tremendously.

The script is here:

#!/bin/bash
convert $1 -morphology Convolve DoG:15,100,0 -negate -normalize -blur 0x1 -channel RBG -level 60%,91%,0.1 $2

Results

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package com.manning.nettyinaction.chapter2;

import java.net.InetSocketAddress;

import io.netty.bootstrap.Bootstrap;
import io.netty.channel.ChannelFuture;
import io.netty.channel.ChannelInitializer;
import io.netty.channel.EventLoopGroup;
import io.netty.channel.nio.NioEventLoopGroup;
import io.netty.channel.socket.SocketChannel;

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Edit /etc/TIMEZONE

TZ=UTC

Run the following commands

rtc -z UTC

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dtrace -ln 'hotspot$target:::' -p <pid>
 
wget http://www.cs.duke.edu/csl/docs/java/sample/dtrace/hotspot/gc_time_stat.d

chmod 755 gc_time_stat.d

./gc_time_stat.d -p <pid> 60

# See http://www.cs.duke.edu/csl/docs/java/sample/dtrace/hotspot/ for more scripts

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(defn ordered-paths
  [coll]
  (let [len (count coll)
        end (dec len)]
    (cond
      (zero? len) coll
      (zero? end) coll
      :else
      (loop [start 0
             curr  1

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(ns memoize-vs-deref.core
  (:use criterium.core))

(def test-vec
  [{ :a   1 }
   { :f   6 }
   { :c   3 }
   { :d   4 }
   { :g   7 }
   { :h   8 }

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-- Works with CQL SPEC 3.0.0 and Cassandra 1.1.1

-- Usage: cqlsh -3 < counter.cql

CREATE TABLE counters (
  counter_name  varchar,
  value         counter,
  PRIMARY KEY (counter_name)
)
WITH comment='Aggregate counters';

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# 1.8.7
[1, 2, 3].to_s
# => "123"

# 1.9.3p194

[1, 2, 3].to_s
# => "[1, 2, 3]" # WAT?

# `Array#to_s` is an alias to `Array#inspect`