Hammock Driven Development

Rich Hickey

when was the last time that you spent to think about something during 1 hour?

Hammock Driven Development

• Fix on Prod• QA Team• Fix on DEV• Design

Expensive

Cheap

• analysis/Desing• Undestand• Found Solution

How avoid the Bugs?

• Featuring are Result not Target• Featuring not solve any problems

• Introduce new problems

• Avoid done answers

• Avoid problems != solving them

Problems Solutions

“You will often find the next big idea by completely crucifying the last guy’s idea,”

Hickey says.

• Talk about• Write• Draw

* Facts* Context* Constraints

you can't connect things you don't know about.

* be critical* read* know

you will need 2 possible solutions and attribute positive points and negative points

• Hammock• Away computer• See the problem on != corners• Found good strategy

Good Design:• Write the solution• Make pictures• Think on different places• Hammock and close your eyes

“You can go in the hammock, you can close your eyes, and no one knows that

you’re not sleeping, but they won’t bother you because they think you might be sleeping.”

Hickey says.

when you make a mistake is a opportunity to learn

For understand the problem, What do you know?* Facts* Context* Constraints Write proposed solution Express your ideas with picture Talk about the problem