mneedham

data Position = Position Int Int Direction
	deriving (Show, Eq, Read)
data Direction = N | E | W | S
	deriving (Show, Eq, Enum, Bounded, Read)
data Command = L | R | M
	deriving (Show, Eq, Enum, Bounded, Read)

data DeltaPosition = DeltaPosition Int Int deriving (Show)

data State = State {

mneedham

A simple GraphGist

You create a GraphGist by creating a GitHub Gist in AsciiDoc and enter the URL to it in the form on this page.

Click on the Page Source button in the menu to see the source for this GraphGist!

Include a query console

//console

mneedham

A simple GraphGist

You create a GraphGist by creating a GitHub Gist in AsciiDoc and enter the URL to it in the form on this page.

Click on the Page Source button in the menu to see the source for this GraphGist!

Include a query console

//console

mneedham

A simple GraphGist

You create a GraphGist by creating a GitHub Gist in AsciiDoc and enter the URL to it in the form on this page.

Click on the Page Source button in the menu to see the source for this GraphGist!

Include a query console

//console

mneedham

library('RCurl')
library('RJSONIO')

query <- function(querystring) {
  h = basicTextGatherer()
  curlPerform(url="http://localhost:7474/db/data/cypher",
              postfields=paste('query',curlEscape(querystring), sep='='),
              writefunction = h$update,
              verbose = FALSE
  )

mneedham

#!/bin/bash
 
# tiny script to extract the logs of the latest startup sequence in a Neo4j instance
#
 
if (( $# == 0 )); then
  echo "call me: $0 <path_to_messages.log>"
  exit 1
 
fi

mneedham

Learning dem graph gists

Awesome

Something something, graph gist

mneedham

How to create relatonships between elements in a collection

This GraphGist answers a Stackoverflow question.

Creating A Sample User Graph

We want to create a social network, and have to connect some people. Let’s do that in two steps.

mneedham

Modelling time-varying financial exposures in Neo4j

Answer to this Stackoverflow Question

Question

How would one model this kind of data in Neo4j?:

> HOLDINGS
   Portfolio                         Holding    Instrument       Date BALANCE.USD

mneedham

The World Cup Graph

The football World Cup is just under a week away so I thought we deserved a World Cup graph for the occasion. It’s still a work in progress but here’s what I’ve got so far.