Slides for the talk at Ladies Who Code (London)

1. Version Control with
Git & GitHub
Belén Albeza
@ladybenko

2. 1.Version control

3. What is version
control?

4. What is version
control?
It’s the management of
changes

5. version 1 version 2 version 3

6. • A version control system stores the
increments between versions
• So we can check the evolution of our
document set
• And we can roll back to any previous state

7. Why is this useful?
• We can code without fear of screwing up
and not being able to go back to a stable
estate
• We can track the changes and locate where
we introduced that new nasty bug
• We can share different versions of our
code

8. But there’s more...

9. But there’s more...
Collaborative
development

10. We can share changes
between developers
Pics from pixelblock.tumblr.com

11. This is great!
• Several people can work in the same code,
remotely
• You can work on your code from multiple
machines
• Version control makes integrating changes
easy

12. II. Brief intro to Git

13. Git
“Git is an extremely fast, efficient, distributed
version control system ideal for the
collaborative development of software”
from GitHub.com

14. GitHub
GitHub provides free public Git
repositories, so your code will be online. It
also provides a graphic Git client!
www.github.com

15. Create a repo (1)

16. Create a repo (2)

17. Make some changes

18. Commit your changes

19. Make some more
changes and commit
again

20. Check history

21. Check history

22. Check history

23. Check history

24. Push your changes to
GitHub

25. Push your changes to
GitHub

26. Push your changes to
GitHub

28. Flow
Init repo
Change code
Commit changes
Sync

29. To continue from
here...
• Setup instructions: http://help.github.com/
articles/set-up-git
• Learn how to solve conflicts
• Get to know about Git philosophy on
branches
• Get a shell!

30. Thanks!
?