Creating excel spreadsheets (with charting) has never been easier. This looks like an amazing bit of code if you’re writing a data driven app that requires exporting to excel!
gem install axlsx
RAILS
Creating excel spreadsheets (with charting) has never been easier. This looks like an amazing bit of code if you’re writing a data driven app that requires exporting to excel!
gem install axlsx
One really interesting thing I came across recently is validating a field vs association. I’ve always written something like this (assume this is a… Company model with a attribute called owner_id and a belongs_to association called owner):
validates_presence_of :owner_id
What’s better to write is:
validates_presence_of :owner
This actually makes sure that your :owner_id actually maps to a real object in the database. So you can’t just set a random integer as owner_id and get away with it!
Sadly this has made testing a little bit harder. Tearing through FactoryGirl documentation again now!