M开发者_运维百科y Sinatra app is a collection of notes. Each note is assigned a (future) date when it should be published:
I have something running constantly doing periodic queries. I have used both DataMapper (though I\'m doing raw SQL through it) and mysql2.
With the following model, I\'m looking for an efficient and straightforward way to return all of the Tasks that have 0 parent tasks (the top-level tasks, essentially).I\'ll eventually want to return t
So I\'m having some trouble with DataMapper and object associations. (Code provided at bottom). I\'m getting errors upon saving to the extent that some id\'s are not set, which I think has something t
I\'m just getting started with DataMapper and I\'m trying to figure out why you need to specify a has and a belongs_to.
I have read this page quite thoroughly: http://datamapper.org/docs/associations If the answer is on there, it\'s simply not expressed in a way I can understand.
Not sure why I am getting this error in my logs. This error happens every so often, but not consistently, and I\'m not sure why. Here\'s my code:
I\'开发者_开发技巧m using the following with datamapper to create/get a new user from my db: user = User.first_or_create({:id => data[\'id\']})
What\'s the most efficient way to iterate through an entire table using Datamapper? If I do this, does Datamapper try to pull the entire result set into memory before performing the iteration? Assum
I\'m trying to run a Sinatra application with Datamapper and a Postgres db locally. I\'m on Mac OS X 10.6.7 and ruby 1.9.2 and each time I launch the application, I get the following error: