shipt rails study group day 3

ruby stuff and the beginning of models and migrations

Transcript

1. Rails Study Group
2. MVC
3. Ruby
4. Object Oriented • State: what does it have or how does it exist? • Behavior: what does it do or how can it change?
5. Vocab • method: defines an action or some function • starting with def and ends with end • parameter: something to give to a method for use • class: blueprint from which individual instances are created • inherits: a class takes on the characteristics of another class • variable: assigning something holder for use later
6. Object Oriented (EVERYTHING)
7. Strings • Interpolation • Concatenation
8. Print a string
9. Every method in Ruby is a message
10. Method
11. Logic Operators • and: && • or: || • not: !
12. and
13. or
14. not
15. Array
16. Array
17. Range
18. Block
19. Hashes
20. Classes
21. Inheritance
23. Database Setup • rake db:create -> creates an empty database • rake db:migrate -> runs all migrations • rake db:drop -> drops (delete) the database
24. Generating Migrations