Developers come and go but the code remains About me Committer for - PowerPoint PPT Presentation

Developers come and go but the code remains

About me Committer for PhD from + CTO of

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“What went on in my ex-colleague’s head?” David Monniaux

“How can I help the the new guy become productive?”

“How can I help the the new guy become productive?”

It takes a new developer three to six months to become fully productive. [De Marco, Peopleware: Productive Projects and Teams, ISBN:0932633439]

“Where to get started?”

On average, developers spend 25 seconds in the code completion dialog. [Scheller & Kühn, TU Wien, IASTED ’13, DOI:10.2316/P .2013.796-027]

Like every good dinosaur... David Monniaux

...every developer leaves a trail in the code. Jerry Daykin

And if you take a step back, patterns emerge. Jerry Daykin

Our own dog food Nancy Gonzalez

Our own dog food

jfxrt-2.x-call.zip jfxrt-2.2.1.jar jfxrt-8.0.0.jar jfxrt-8.x-call.zip Samples APIs Models Proposals

samples++

samples++

Demo time

Get the Developer Preview .com/download www.

Free as in Alexandre Lazaro

See Mine for yourself

Bring your own code @ Eclipse Code Recommenders table

samples = 1

samples = 0

“No samples?”

“No samples?”

“Learn...”

“...as you type”

Feedback!

Feedback!

Feedback!

Feedback!

It’s science! 1 Eclipse Frequency-based ML-based 3/4 MRR 1/2 1/4 0 SWT

It’s science! 1 Eclipse Frequency-based ML-based 3/4 MRR 1/2 1/4 0 Java SE

Code completion based on implicit user feedback Sven Amann, FB 20, Computer Science (Master of Science) Technische Universität Darmstadt Department of Computer Science Software Technology Group Reviewer: Prof. Dr.-Ing. Mira Mezini Advisor: Dr.-Ing. Marcel Bruch and Dr.-Ing. Andreas Sewe 31.03.2013

http://build.codetrails.com/updates/theses/amann/

On the horizon • Crowd-sourced completion in-the-wild • Intelligent type completion • More detailed models • Reduced memory consumption Adam Wyles

From A to ...

} not yet used

More detailed models AST I n C t e Recent/open files r u f a r c Names r e s e n Expected type t Superclass p r e Developer fi Annotations x Overridden method Natalie Lucier

Reduced memory consumption Nick Perla

http://eclipse.org/recommenders/ @recommenders

Q & A

Give Feedback on the Sessions 1 Sign In: www.eclipsecon.org Code Recommenders: Developers come and go but the code 2 remains Select Session Evaluate Andreas Sewe 3 Vote