Code DojoCode Dojo

dojodojo

A dojo (道場) is a Japanese term which literally

means "place of the way".

A dojo (道場) is a Japanese term which literally

means "place of the way".

KATAKATA

A sequence of positions and movements used in a practice session.

A sequence of positions and movements used in a practice session.

PracticePractice

Malcom Gladwell: “You have to do 10,000 hours of practice to be virtuoso.”

Practice must:

be focused

stretch your abilities

be deliberate

include self-reflection

Malcom Gladwell: “You have to do 10,000 hours of practice to be virtuoso.”

Practice must:

be focused

stretch your abilities

be deliberate

include self-reflection

dojo kundojo kun

We respect each other’s commitment

i.e. no phones, mail, Facebook, etc. Focus!

We all do pair programming

We all do TDD

We swap pairs each cycles

We follow “Simple Design” rules

We respect each other’s commitment

i.e. no phones, mail, Facebook, etc. Focus!

We all do pair programming

We all do TDD

We swap pairs each cycles

We follow “Simple Design” rules

simple designsimple design

Simple design is code that:

Passes all tests

Is clear, expressive and consistent

Duplicates no behaviour or configuration

Minimises the number of class, methods and modules

Simple design is code that:

Passes all tests

Is clear, expressive and consistent

Duplicates no behaviour or configuration

Minimises the number of class, methods and modules

FormatFormat

Pair up

Problem presentation

Each cycle is:

a pomodoro (25 mins)

five minute break to demo your code and grab some pizza

Pair up

Problem presentation

Each cycle is:

a pomodoro (25 mins)

five minute break to demo your code and grab some pizza

Roman KATARoman KATA

Convert an integer to its Roman numeral

1 -> I5 -> V10 -> X

Add numbers together3 -> III12 -> XII

Convert an integer to its Roman numeral

1 -> I5 -> V10 -> X

Add numbers together3 -> III12 -> XII

Roman kata 2Roman kata 2

Smaller number before larger one means subtraction, e.g. 4 = IV

Convert hundreds, tens and units separately.

999 is not IM

999 is CMXCIX

Smaller number before larger one means subtraction, e.g. 4 = IV

Convert hundreds, tens and units separately.

999 is not IM

999 is CMXCIX

Roman KATA 3 Roman KATA 3

Only one small-value symbol may be subtracted from any large-value symbol.

The symbols "I", "X", "C", and "M" can be repeated three times in succession, but no more. (They may appear more than three times if they appear non-sequentially, such as XXXIX.) "D", "L", and "V" can never be repeated.

"I" can be subtracted from "V" and "X" only. "X" can be subtracted from "L" and "C" only. "C" can be subtracted from "D" and "M" only. "V", "L", and "D" never subtract.

Only one small-value symbol may be subtracted from any large-value symbol.

The symbols "I", "X", "C", and "M" can be repeated three times in succession, but no more. (They may appear more than three times if they appear non-sequentially, such as XXXIX.) "D", "L", and "V" can never be repeated.

"I" can be subtracted from "V" and "X" only. "X" can be subtracted from "L" and "C" only. "C" can be subtracted from "D" and "M" only. "V", "L", and "D" never subtract.

Roman kata 4Roman kata 4

Go!!Go!!

HAJIME!!(start now)

http://tomatoi.st/dojo

HAJIME!!(start now)

http://tomatoi.st/dojo

YAME!!YAME!!

Show and tellShow and tell

ReflectionReflection

CreditsCredits

http://www.meetup.com/London-Code-Dojo/

@sleepyfox (Nigel Runnels-Moss)

http://www.meetup.com/London-Code-Dojo/

@sleepyfox (Nigel Runnels-Moss)