based on DigitalOcean guide
Create local project
local$ rails new appname -T -d postgresql
local$ rails g scaffold Story title:string body:text
local$ rails db:migrate
based on DigitalOcean guide
Create local project
local$ rails new appname -T -d postgresql
local$ rails g scaffold Story title:string body:text
local$ rails db:migrate
class ArrayFlatten | |
def initialize(arr) | |
@arr = arr | |
end | |
def flatten(level = nil) | |
_flatten(@arr, 0, level) | |
end | |
private |