John Naegle

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John Naegle has asked 14 questions and find answers to 44 problems.

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John Naegle questions

Rails Foreign Key violation deleting has_many relationships with dependent destroy
"first!" on AR CollectionProxy raises "undefined method [] for nil" after updating from Rails 4.1.4 to 4.2.0
How can I default an ancestral relationship with cancan to an internal node of the tree?
How can I dump multiple postgres schemas using rake db:dump:schema
Can I define class methods with Module#concerning?
Detect action mailer delivery failures in after_action callbacks
How can I find unindexed foreign keys in SQL Server
What is the fastest way to render json in rails

John Naegle answers

Rails Foreign Key violation deleting has_many relationships with dependent destroy
Call helper method from model
Ruby where with find_each
"first!" on AR CollectionProxy raises "undefined method [] for nil" after updating from Rails 4.1.4 to 4.2.0
rails associations :autosave doesn't seem to working as expected
Rails 3: validate presence of at least one has many through association item
Selenium is not able to launch the IE.
How can I dump multiple postgres schemas using rake db:dump:schema
How to set whodunnit for paper_trail when creating a new user?
Can I define class methods with Module#concerning?