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Articles tagged with #ruby-on-rails
Sometimes I have this issue of parsing JSON that contains the string representation of Ruby hash for whatever reason. Problem It happens obviously because the hash string is not JSON. require 'json' hsh_as_str = '{"order_id"=>nil}' JSON.parse(hsh_as_...
Today my coworker pointed out that confusing behavior of where.not query dealing with nil. We need extra care when filtering SQL queries with nil. I'll put it together for future reference. all records User.all.count #=> 1509 nil | non-nil Records ...
This is my note about how to implement a basic contact form using a form object. dependencies used in the example ruby 2.5.3 rails 5.2.2 webpacker simple_form slim_rails etc form object # app/models/contact_form.rb class ContactForm include Acti...
This is my note on how to set up iziToast in rails 5.2 app. system used ruby 2.5.3 rails 5.2.2 webpacker get started install iziToast yarn add izitoast --save configure webpacker for iziToast // app/javascript/packs/application.js import iziToa...
While the snake case Hash keys are conventionally used in Ruby world, sometimes we prefer camel case keys in the front end. Here is my note on how to handle this problem. Camelizing keys of outgoing JSON data A: using Hash#deep_transform_keys! hash.d...
This is my memo about page specific assets. Single asset bundle vs multiple asset bundles We can create a multiple asset bundles instead of default application.js. Pros: Useful if some code is used only on certain occasions. Cons: More http requests...