Why Bullet Gem? For this Rails optimization, we'll focus on optimizing repeated SQL calls to retrieve objects associated with many relationships: N+1 queries problem. The solution to such an issue is an eager loading association. Unoptimized N+1 affected code takes a significantly longer time as N times additional SQL calls are needed. But, we should be careful when using that eager loading approach. This because unused eager loading can deteriorate our Rails app performance instead of improving…
Implement Two-factor-authentication in Rails with Devise, ActiveModel::Otp, and Google Authenticator
by Kevin
Background There are many gems for implementing two-factor authentication for Rails app out there. But, most of them don't work properly with Devise out from the box. Some gems offering seamless integration with Devise gem never work smoothly with our existing Rails app. This is why we share our experience and strategy to implement two-factor authentication using Devise and ActiveModel::Otp gems. This implementation, based on our experience, works very well with the latest Google Authenticator app…
Score: 3.65
Accelerated Mobile Page (AMP) is a framework for creating a fast and light-weight mobile website. There are not many ruby gems for creating AMP pages for the existing Rails website. We find one like rails_amp. But it doesn't fit our needs. That's why we come up with our solution. It's a simple but powerful one. Here's how we create AMP pages for our Rails website. Add custom Mime::Type We add custom Mime at config/initializers/mime_types.rb
It's only one line code. The code registers amp as a new…
Score: 2.7
How long will the shadow of the Corona
Virus pandemic darken future history? We do not know. Therefore, there's no way to know how much I should exposit COVID-19 in this here paragraph. Obviously, if I'm talking to readers in the short term, you're all sick of hearing about it. But did the pandemic gets cured by, say, 2021? Do I have to go back over what it was like for audiences in the 2030s? Or is it indelibly ground into the pages of history textbooks like the
1918 Spanish Flu was? Just from…
Score: 2.33
There are numerous books out there that will claim to change your life - from self-help to multi-step programs. But the jury is still out on how helpful such schemes truly are. That is not to say personal change cannot be inspired by someone else’s story, however. A story is a powerful thing. Words can be both a weapon and an elixir. Or, as Albus Dumbledore would say, “Words are, in my not so humble opinion, our most inexhaustible source of magic, capable of both inflicting injury and remedying…
Score: 2.16
Score: 4.37
Implement Two-factor-authentication in Rails with Devise, ActiveModel::Otp, and Google Authenticator
by Kevin
Score: 3.65
Score: 2.7
Score: 2.33
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