Uxebu -The Validation Board: was it useful to better understand our customers? -Preparing a questionnaire: was that simple? -What have we learned? These were the slides I created for my talk at the Lean Startup Meetup, in Munich. Too bad I didn’t publish them before!

1. Why n t?
TEST
DRIVEN

2. WE ARE
JavaScript consulting company
WE PRACTICE AND TEACH
TEST DRIVEN
DEVELOPMENT

3. Focus into the topic

4. Software development process,
repetition of a very short
DEVELOPMENT CYCLE

5. INITIALLY FAILING
TEST DEFINING A
DESIRED
IMPROVEMENT /
NEW FUNCTION

6. PRODUCE
MINIMUM
AMOUNT OF
CODE TO PASS
THAT TEST

7. REFACTOR THE
NEW CODE TO
ACCEPTABLE
STANDARDS

8. ESTABLISH EXPECTED BEHAVIOR
AVOID RISK OF INTRODUCING BUGS
MAKE IT MORE UNDERSTANDABLE
WRITE TEST CODE BEFORE
PRODUCTION CODE, TO:

9. PAIR PROGRAMMING

10. CLEAN CODE

11. FOCUS ON JAVASCRIPT

12. SOUNDS GREAT,
RIGHT??

13. The turning point

15. PREPARING A QUESTIONNAIRE IS EASY?
NO
A QUESTIONNAIRE HAS TO BE SIMPLE?
YES!

16. Start GENERIC
Get SPECIFIC
Concrete about
PRESENT AND PAST
Don’t askfor
OPINIONS
Don’tcareabout
COMPLIMENTS
DON’T focus on yourself
and your idea
Bad news
Keep it CLEAR!

17. SIMPLE
S I G N I F I C A N T
I N T E R V I E W S
M U S T
P R O V I D E
L E S S
E F F O R T S

18. What have we learned?

19. 24-30
31-40
>40
M
F
<1 or not programmer
1 to 5
>5
AGE GENDER
PROGRAMMING FOR (YEARS)

20. 0% 5% 10% 15% 20% 25% 30% 35%
Nothing
Basic knowledge
I know TDD
I know a lot about TDD
WHAT DO YOU KNOW ABOUT TDD?
0
1
2
3
4
5
6
7
8
PHP JAVA CSS HTML JS PYTHON RUBY JQUERY OBJC ASPX C#
PHP
JAVA
CSS
HTML
JS
PYTHON
RUBY
JQUERY
OBJC
ASPX
C#

21. ✓ SAVES TIME AFTER
✓ LESS BUGS/LESS DEBUGGING
✓ ZERO COST
Yes
I rarely used it
No
✓CODE MORE READABLE/UNDERSTANDABLE
✓ WORK GETS BETTER

22. Time consuming
Learning is slow
Benefits not attractive enough
Setting up environment is long
I don't know
Yes, absolutely!
I guess yes, but I don't see the
value yet
Depends on the business

24. -We got relevant data (though be careful! Small sample test)
And n w?
-We got critical data on which to act

25. LET THE DEVELOPERS DO IT
FOR US!
HOW TO OVERTURN THOSE DATA?

26. Our JS Code Retreat:
USEFUL FOR BOTH SIDES

27. TOMORROW VILNIUS
TRYING TO PROVE THAT
TIME CONSUMING
LEARNING SLOW

28. H w
Asking questions BEFORE-AFTER!
?

29. OUR JS CODE RETREAT

30. OUR JS CODE RETREAT

31. OUR JS CODE RETREAT

32. OUR JS CODE RETREAT
WE HAVE BEER

33. PAST EVENT

34. OUR JS CODE RETREAT
10TH OF MAY 2014 9:30 am – 6:00 pm
c/o WERK1
Grafinger Str. 6,
Munich
(KultFabrik)

35. CONTACTS
contact@uxebu.com
@uxebu
irene@uxebu.com
@irenelladn89
IRENE DE NICOLO UXEBU GMBH
http://jscoderetreat.com