a few days ago I asked for a solution to a SQL query i needed to work out, my data looks like: meta_id post_idmeta_keymeta_value
Device model has following attributes: name, version and full_name Full name is name + version: class Device < ActiveRecord::Base
Specifically, I want to query word press posts based on N number of meta values which are in a key/value type of table.
In testing a getter/setter pair in a rails model, I\'ve found a good example of behavior I\'ve always thought was odd and inconsistent.
T开发者_Python百科his question already has answers here: When to use `self.foo` instead of `foo` in Ruby methods
I\'ve just run into blocks and I think they are just what I\'m looking for, except for one thing: is it possible to call a method [self methodName] from within a block?
update : solved thx fluchtpunkt sorry for noob question.. just same as other question, I can\'t upload app to the appstore, because invalid signature..
I have this table: DebitDate | DebitTypeID | DebitPrice | DebitQuantity ----------------------------------------------------
Why is cls sometimes used instead of self as an argument in Python classes?开发者_如何学编程 For example:
I have a (nice) mysql table built like this : FieldsDatas id (pk)123456 master_id100010001000200020002000...
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