An Agile A to Z

Jon JaggerBlog: http://jonjagger.blogspot.comEmail: jon@jaggersoft.comTwitter: @JonJagger

Adaptation

Adaptive v

Brakes

Where are the brakes?

What happens if your brakes dont work?

Why do cars have brakes?

Cars have brakes so you can drive faster

Capacity

over undercapacity capacity

undercapacity ◦For a while increasing the density increases the flow. ◦Increasing the flow causes the density to reduce. ◦ Thus you have a stabilizing feedback loop helping to increase the flow.

◦As you continue to increase the density you reach the top of the ﬂow-curve.

overcapacity ◦As the density increases the flow decreases. ◦Decreasing the flow causes the density to further increase. ◦Thus you have a different destabilizing feedback loop helping to decrease the flow.

The total absence of meaningful practice... is probably the predominant factor that keeps... teamsfrom being effective learning units

CyberDojoDeliberateSoftware Team Practice

Effort

Effort is one of the things that givesmeaning to life. Effortmeans you care about something

Failure

Learn from success

Learn from failure

Its not the event that counts, its yourreaction to the event

"Theres nothing on the internet about X"

"I cant ﬁndanything about Xon the internet"

"Dad. Will youhelp me with my homework?"

(over)Generalization

H??????

Hávamál

The ethics of theHavamal are above all rooted in thebelief in the value of the individual

A logs flameleaps to anotherfire kindles fire. A man listens thus he learns

Iterations Boyds Law

Boyd’s Law The speed of an iteration trumps thequality of an iteration Jeff Atwood

When in doubt,iterate faster. Jeff Atwood

John Boyd

the ability to quickly . slow down is as important as the ability to quickly speed up Boyd despised optimization

.Boyd worked daily to remove things Again and again they practised Boyd liked ambiguity

Kaizen

Improvementis easier than perfection Chinese saying

Listening

As consultants, weve found that the quickest and surest way to classify organizations intosimilar patterns is bythe way people think and communicate

No other observation skill may be moreimportant to software engineering than precision listening

Inconceivable

Motivation

When an actor comes to me... If he says "whats my motivation?" I say...

"Your salary"

Ninety Seven

Do MoreDeliberate PracticeYou do deliberate practiceto master the task not tocomplete the task.

Options

Binary TweetsReadability is one optimizationthat can never be too prematureNever listen to anyone who hasnever made a mistake

Paradox

Virtually all truth is paradoxical

It is not the strongest of the species that survive, nor the most intelligent, but the ones most responsive to changecommonly mis-attributed toCharles Darwin

The better adapted you are, the lessadaptable you tend to be Sir Ronald Fisher

If people knew howhard I worked to get my mastery, it wouldn’tseem so wonderful after all

Michaelangelo

Babe Ruth

Rushing

“Whats the biggest change youd like to see in the softwarePhoto by Fiona Charles

“Slowing down in order to do things right”

“What would it take to makethis happen?”

“Hell would have to freeze”

“Things take the timethey take, not the timeyou hope they will take. Pushing for half time produces half baked”http://jonjagger.blogspot.com/2010/09/interview-with-jerry-weinberg.html

SystemsThinking

The Causation Fallacy

Every effect has a single cause...

Unary TweetsThe real problem is...The problem withmotivational speakers is...

Every effect has a single cause...

Every effect has a single cause......and we can tell which is which.

The more errorprone a module isthe later it will be.

The later a module is the more error prone it will be.

CODE TESTS

Systems inherently resist change

. ...more usableenergy goes into a system than comes out, because there is always unavailable energy called entropy

As teenagers,band X worked inHamburg, ... doing 8 hour sets, 7 days a week,for months on end

Unconscious

Dont be afraid to cultivate your unconscious

The development of consciousness is thus, among other things, aprocess of the consciousmind opening itself to the unconscious in order to

Visibility

Make the InvisibleMore VisibleYou manage things betterwhen you can see themand see them constantlychanging

Worship

XP:Courage

The absence of fear isnot courage; the absence of fear is some kind ofbrain damage. Courage isthe capacity to go ahead in spite of fear

XP:Communication

The meaning of acommunication is the behaviour that results

XP:Simplicity

The art of maximizingthe amount of work not done.

XP:Feedback

Just calling it“feedback” doesn’t mean that it has actually fed backIt hasn’t fed back until the system changes course

Courage Communication Feedback Simplicity... tell us howsoftwaredevelopmentshould feel.

Bureaucrat One who has the power to say “no”,but none to say “yes”

Bureaucracy Each thing in control,but the whole thing out of control

BureaucracyCan be measured by how much people dont know why their doing what their doing

Wisdom is not something you learn. Wisdom is something which will come out of your mindfulness.

Right practice,Right attitude,Right understanding

Thank youfor listening

Jon JaggerBlog: http://jonjagger.blogspot.comEmail: jon@jaggersoft.comTwitter: @JonJagger

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An Agile A to Z

by JonJagger on Oct 14, 2011

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An Agile A to Z — Presentation Transcript