1.
First contact

2.
gedit

3.
gedit

4.
gedit

5.
The End

6.
The End
needless work

7.
The End
needless work
missing triaging

8.
The End
needless work
missing triaging
no appreciation

9.
The End
needless work
missing triaging
frustration
no appreciation

10.
Stories in Open Source
Tobias Pfeiffer
@PragTob
pragtob.info

11.
Shoes.app width: 300, height: 200 do
background lime..blue
stack do
para "Welcome to the world of Shoes!"
button "Click me" do
alert "Nice click!"
end
image "http:./shoesrb.com/img/shoes-icon.png",
margin_top: 20, margin_left: 10
end
end

12.
Welcoming, friendly & helpful

13.
OSS friends

14.
Give people access

15.
Release early, release often

16.
You are not your OSS

17.
class Dog
def bark
puts 'Woooof'
end
end
Dog.extend AfterDo
Dog.after :bark do puts 'I just heard a dog bark!' end
dog = Dog.new
dog.bark
# Output is:
# Woooof
# I just heard a dog bark!
after_do

18.
micro libraries are great

19.
you have no idea how it’s used

20.
list = Enum.to_list(1..10_000)
map_fun = fn i .> [i, i * i] end
Benchee.run(
%{
"flat_map" .> fn .> Enum.flat_map(list, map_fun) end,
"map.flatten" .> fn .> list .> Enum.map(map_fun) .> List.flatten() end
},
time: 10,
memory_time: 2
)
benchee

21.
learn as you go

22.
just being better isn’t enough

23.
co-maintainers

24.
We made it!

25.
SimpleCov

26.
“legacy” OSS

27.
joy of impact

28.
you don’t owe people

29.
nightmares of integration

30.
First step into
OSS

31.
Please report issues!

32.
Be nice!

33.
Be nice!
Minimize

34.
Be nice!
Minimize
Reproduce

35.
Discuss!

36.
(Maybe) add a PR!

37.
OSS vs Work

38.
OSS
Be nice!

39.
OSS
Be nice!
Your OSS, your time

40.
OSS
Be nice!
Your OSS, your time
Adoption takes time

41.
OSS
seemingly even less diverse

42.
OSS
seemingly even less diverse
is this sustainable?

43.
OSS
seemingly even less diverse
is this sustainable?
what about people using OSS for “evil”?

44.
friends

45.
friends

46.
friends

47.
friends
first talks

48.
friends
first talks

49.
friends
first talks

50.
friends
first talks

51.
friends
first talks
learning

52.
friends
first talks
learning
all other projects

53.
friends
first talks
learning
all other projects

54.
@PragTob
Enjoy OSS