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import pandas as pd
p = pd.read_csv('m:/presents.csv')

p[:10]
plt.plot(p[:10])


p.columns= 'id x y z'.split()
p['volume'] = p.x * p.y * p.z

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iPython basics

Using the console

• autcomplete works on variable and function names
• Up arrow takes you back to previously entered commands
• %quickref gives an overview of available functionality.

magic commands

iPython has "magic" commands which are an set of meta functions for

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import numpy as np
import pylab as lab

# don't show all decimal places when printing
np.set_printoptions(precision=4)
 
# define a, b and c
a = np.ones([4,4])
print "a:\n", a
 

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from bisect import bisect_left, bisect_right

class TimeseriesCache(object):
    """Store a timeseries of data in memory for random access."""
    def __init__(self, ttl=None):
        self.timestamps = []
        self.data = []
        self.ttl = ttl
        
    def add(self, timestamp, data):

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Steamed Fish with Garlic Ginger Soy Sauce

Serves: 2

Ingredients

• 1 Whole Fish (approx. 400g), gutted with head and tail still on.
• 5-6 Spring Onions

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include Java
require 'blpapi3.jar'

opts = com.bloomberglp.blpapi.SessionOptions.new
opts.server_host = 'localhost'
opts.server_port = 8194

session = com.bloomberglp.blpapi.Session.new opts
service = '//blp/refdata'
throw "Can't start Bloomberg" unless session.start && session.open_service(service)

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### Download and install
cd /tmp
curl http://erlang.org/download/otp_src_R13B03.tar.gz | tar zx
cd otp_src_R13B
./configure --enable-hipe
make
sudo make install

sudo mkdir -p /Library/Erlang/lib
mkdir -p ~/Library/Erlang/lib

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#!/usr/bin/env ruby
 
# Originally by Mike Clark.
#
# From http://www.pragmaticautomation.com/cgi-bin/pragauto.cgi/Monitor/StakingOutFileChanges.rdoc
#
# Runs a user-defined command when files are modified.
#
# Can use Ruby's Dir[] to get file glob. Quote your args to take advantage of this.
#

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# Built in library imports
import mimetypes
import re
import os
import sys
# Server imports
import urlparse
import cgi

class Juno(object):