Search Results for "can-t-duplicate-photoshop-gradient-overlay-in-css-anyone-encountered-that-527d1e4c-3913-43ed-b17b-b45e9cb484fd"

Lessons

Preserving File Uploads On Edit with Rails

May 04, 2026 Pro

By default, Rails will replace all attached files on edit. This is frustrating because you can't preserve existing file uploads.

Emails for domains that are expiring soon require a bit of a different approach since we can't rely on ActiveRecord callbacks. Instead, we'll use a recurring task (like a cron job) to check on them and notify users.

14m

Magic Link Authentication with generates_token_for in Rails 7.1

Sep 22, 2023 Pro

Rails 7.1's new generates_token_for method allows us to build password reset and Magic Link login tokens without storing details in the database. Tokens have expirations and can be one-time use so they can't be reused.

18m

Transforming JSON responses to Ruby objects with OpenStruct

Aug 24, 2021 Pro

When you receive a JSON response from an API endpoint, it's really easy to convert this to a Ruby hash. But hashes don't feel very Ruby-ish when you're working with them and you can't add methods and treat them like objects.

12m

Categorizing Transactions

Jul 27, 2026 Pro

In this lesson, we will look at categorizing transactions while adding a bit of convenience for our users so that they don't have to retype a category and instead can select from a custom list of categories.

Adding WHOIS Fallback For Domain Lookup

Jan 02, 2026 Pro

RDAP isn't used by every TLD yet, so we can add a WHOIS fallback to handle those cases.

Thread Safety with Mutexes in Ruby

Jul 21, 2025 Pro

Thread safety can be tricky, so let's explore what can happen if our code isn't thread safe before diving into a real-world example where a mutex plays an important role in keeping a gem thread safe.

Structured Output with Gemini 2.0

Feb 17, 2025 Pro

Like many AI models, Gemini 2.0 can respond with structured output in a JSON schema that you provide in your request. This is incredibly handy for making integrations that don't have to rely on parsing a blob of text.

31m

How to debug OAuth login in Rails with OmniAuth

Jun 05, 2023 Pro

OAuth can be hard to understand and debug. Plus, this process is abstracted even further with OmniAuth in Rails. In this episode, we'll walk through t

31m

How to Add Pagination for Blog Posts in Rails

Apr 05, 2023

Pagination is something we don't need until we publish a lot of blog posts. We can use the pagy gem to add page links to the bottom of our pages and handle thousands of blog posts.

Adding TailwindCSS to Rails

Apr 03, 2023

Our blog doesn't look great. We're going to install TailwindCSS so we can easily style our Rails application however we want.

Throttling Infinite Scroll Events in Javascript

May 18, 2020 Pro

Scroll events in Javascript can happen quickly. We want to make sure we don't request the same page multiple times which we can solve easily by introducing a little throttling.

10m

Testing External APIs with VCR

Oct 29, 2019 Pro

Testing integrations with external APIs in your Rails app can be hard. You don't know what requests are being made (or even the responses), so how can you properly mock them out? VCR to the rescue.

Actionable Errors in Rails 6

May 08, 2019 Pro

One of the coolest new features of Rails 6 is the introduction of Actionable Errors. These are errors you can provide actions on so when Rails complains you haven't run migrations you can now simply click a button to run them instead.

23m

Dynamic Nested Forms with Stimulus JS

Feb 07, 2019 Pro

Don't like Cocoon or it's jQuery dependency? We can use Stimulus JS and build dynamic nested forms in Rails with accepts_nested_attributes_for from scratch pretty easily!

17m

Autosave Draft Records - Part 1

Jan 23, 2019 Pro

Autosaving draft records allows you to make sure users don't lose their work and can easily write draft content without publishing right away. We'll be using Stimulus to build an autosave controller for our form and Draftsman to power the backend.

13m

Canonical Links From Scratch with Rails

Aug 03, 2026 Pro

Canonical links are really useful to have but can be annoying to implement. This lesson, we'll add a default canonical link from scratch using url_for and content_for with Rails.

How to configure Linux with Drop-in Configs

Jul 09, 2026

Configuring servers can be tricky, but it's much easier using drop-in configs so you're not editing files that could change across versions or environments.

12m

Monitoring Cron Jobs with Whenever

Apr 20, 2026

The Whenever gem is fantastic for defining cron jobs. With a little customization, we can have it monitor cron jobs and report logs, and status to services like AppSignal.