jpw

jpw has asked 88 questions and find answers to 19 problems.

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About

"Twice as 25" as those other tech founders. Couple of Stanford engineering degrees, couple of IPOs, couple of decades building hardware and software and companies.

jpw questions

How to split a Rails model file into multiple files (not concerns, not modules, just separate files)?
In Rails 6, how ensure a Mailer will not retry, eg, how add ActiveJob retry: false setting when Active job is used implicitly (not explicitly)?
How to force ActiveRecord to open database in read-only mode?
In Rails 5, how access cookies method in a model or helper?
Using Open-URI to fetch XML and the best practice in case of problems with a remote url not returning/timing out?
rails how get label_tag to work when multiple (array) check_box_tag
rails 3 - difference between widget.save and widget.save!
for rails actionmailer, any way to debug ActionView::Template::Error errors?
what is the tradeoff between using larger dynos vs more dynos on Heroku
RSpec controller specs: any way to ensure controller instance variables do not cross over between multiple 'gets'

jpw answers

Authorise user to edit a particular field using Pundit in Rails
Does Ruby 2.2 Have Memory Issues on Heroku?
Existing data serialized as hash produces error when upgrading to Rails 5
rails 3.1: how override inherited_resources and permit rails scaffolding to work normally again?
Twilio, Tropo - who else for SMS and Voice apps?
GIt Deployment + Configuration Files + Heroku
How can I have Ruby on Rails output Bootstrap v3 scaffolding?
Rails, Heroku and Subdomains. Is my special case scenario feasible?
Rails timezone from offset
Heroku - How can I undo a push on heroku?