REPLs All The Way Up: A Rubric For Better Feedback Loops • Avdi Grimm • GOTO 2023
This presentation was recorded at GOTO Chicago 2023. #GOTOcon #GOTOchgo
Avdi Grimm - Head Gardener at and recipient of the Ruby Hero Award @AvdiGrimm
RESOURCES
ABSTRACT
We all know that the key to successful software development is iteration and feedback loops, whether that takes the form of the red-green-refactor cycle, or agile project planning. But not all feedback is equally valuable.
I propose a novel archetype for virtuous feedback cycles: the humble Read-Eval-Print-Loop (REPL). In this talk, we’ll talk about the history of REPLs and how they revolutionized early programming environments. We’ll examine the evolution of iterative feedback in software development processes, through the lens of “REPL nature”. We’ll talk about “scientific” processes, and why the proverbial theory/experiment cycle is not sufficient for good science or graceful software development.
Finally, we’ll explore what makes for better feedback loops at every level of the software process, from building algorithms up to business intelligence. You’ll leave with a new rubric for evaluating and improving the iterative circles you work in every day. [...]
TIMECODES
00:00 Intro
00:37 Feedback loops
04:21 Agenda
04:48 History of exploratory feedback loops
17:38 What properties make REPLs feel so good?
26:43 REPLs are exploramental
28:05 REPLs are fast
31:47 Examples, from small to large
48:36 Seek exploratory feedback
49:20 Outro
Download slides and read the full abstract here:
RECOMMENDED BOOKS
Bob Albrecht • My Computer Likes Me When I Speak in Basic •
Forsgren, Humble & Kim • Accelerate: The Science of Lean Software and DevOps •
Fred Brooks Jr. • The Mythical Man-Month •
Gene Kim, Jez Humble, Nicole Forsgren, Patrick Debois & John Willis • The DevOps Handbook •
Matthew Skelton & Manuel Pais • Team Topologies •
#REPL #FeedbackLoop #Feedback #SoftwareArchitecture #SoftwareEngineering #AvdiGrimm #Debugger #TDD #Exploramental #CICD #FeatureFlags #FeedbackLoops
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