playing on the edge
TRANSCRIPT
Playing on the Edge
Personal Story
Edges in life
South Africa to Sweden
Science to Software
Open to Closed
Closed to Open
Employee to Entrepreneur
“Success is not based on the quality of the original idea,
but on the ability to learn and change and 'pivot'” Eric Ries, 'The Lean Startup', 2nd Nov 2009
“Freedom to Act” Marc Lesser, Öredev 2009
So many ideas!
Open SourceRuby DSLsAgile / Distr.
CoolApplications
Domain Model
Rich ClientGIS / Viz.Lean Startup
JavaJava
Efficiency
Simple Complex
1
2
3
S1 A1
NotNotInventedInventedHereHere
Standing on theStanding on theShoulders ofShoulders ofGiantsGiantsCompromiseCompromise
Simple
4
"That's part of the real power of free software;you can use it in ways that go beyond
the imagination of the peoplewho actually created the pieces."
Mark Shuttleworth, 'Ubuntu User 02'
"A good compromisesatisfies noone."
Jonas Hammarberg, 2005
AWE
We cannot predict what userswill need to do each day.
We need to give them the powerto do what they want.
Let's open source!
What! Are you mad?How would we
achieve vendor lockin?
2% market penetration2% customers pay
But cheaper and faster to produce!
AWE
AWE-2008
AWE-2009
Neo4j – graph databaseextremely high performance on deep traversals and mining of complex data,rapid schema evolution for changing business requirements, andsimplified development through perfect match between domain model and database schema.
AWE-2009
Neo4j Spatial Index
Neo4j Spatial Index
Splash
=MAX(A1:A10)
=max(a1..a10) Valid Ruby
=max(a1..a10)=max([a1,a2,a3,a4])=max(a1,a2,a3,a4)
RangeArrayVarargs
Splash
=count(a1..a10)
=sum(a1..a10)
Splash
= a1 + ' ' + a2
= “My name is #{a1} and your name is #{a2}”
My name is <%= a1%> and your name is <%= a2 %>
<% (0..6).each {|x| eval “b#{x+1} = '= a#{x+1}'”} %>
<% Charts.create(:type => :bar, :categories => a1..a5, :values => b1..b5) %>
Splash-Neo4j
= a1 + ' ' + a2
= sum(a1..a3)
AWE-2009 a new start
Reporting DSL
Our Favourite Edge