Search Results for "rails-multi-level-marketing-binary-tree"

Lessons

Domain & Subdomain Routing Constraints in Rails

May 09, 2022 Pro

Learn how to apply advanced routing constraints such as domain, subdomain, user authentication, and more. We'll explore how to use custom constraints for routing multi-tenant Rails applications based upon subdomain and domain too.

23m

Handling Subdomains and Multitenancy From Scratch

Mar 26, 2015 Pro

Learn how to handle subdomains in your Rails application for multi-tenant applications

20m

HTTP Server from Scratch: Rack & Rails Support

Jul 20, 2021 Pro

Last episode, we built a multi-threaded HTTP server from scratch using Ruby. This week, we'll enhance our web server by adding Rack and Rails support.

16m

Adding Locals to ActionText Rendering

Aug 18, 2026 Pro

ActionText generally renders behind the scenes, but what if we need more control over how attachments are rendered? Let's explore adding local variables to ActionText attachment partials.

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.

Adding Authentication

Jun 08, 2026 Pro

Implement user authentication with Rails' built-in generator, scope budgets to the current user, and update the recurring transactions job to process budgets per user in batches.

14m

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.

How to use Direct Routes in Rails

Apr 27, 2026 Pro

Direct routes let you define custom routing helpers

12m

Nested Sidebar Layouts with Rails

Apr 13, 2026 Pro

By using multiple levels of nested layouts, we can create easy to maintain views with different sidebars for each area of our application

How to Embed Images with Inline Email Attachments in rails

Apr 06, 2026 Pro

Embedding images in emails with Content IDs lets you avoid privacy protection for email tracking. We can do this with Action Mailer's inline attachments.

Normalize All ActiveRecord Attributes

Feb 18, 2026

Learn how to normalize all ActiveRecord attributes with a quick peak at the Rails source code.

Removing Duplication Using with_options

Mar 09, 2026

Learn how to use Rails' with_options to DRY up duplicated options across method calls and associations, including how to nest them for shared defaults.

11m

Handling Parameter Tampering Safely with Rails

Mar 02, 2026 Pro

Malicious users and bots will always be poking around your applications looking for vulnerabilities, so it's important we safely handle parameters from tampering in Rails.

Clean Up Optional Attributes in Rails with Normalizes

Feb 11, 2026

Optional attributes are empty strings by default, but we can clean these up as nil in Rails using normalizes

11m

Dynamic Partial Rendering

Feb 16, 2026

Learn how to dynamically render Rails partials using standard Rails behavior and model_name.plural when needed to clean up messy if/else conditionals in your views.

28m

oEmbed Provider with Discovery in Rails

Feb 09, 2026 Pro

Lets share embeddable resources in our Rails application with external apps by implementing an oEmbed endpoint and discovery links to make our app an oEmbed provider.

25m

SSRF Protection for Rails

Feb 02, 2026 Pro

Making requests to user-defined URLs can be insecure. DNS can point to your local network and attackers can use this to mess with your internal systems.

19m

valid with Context

Jan 19, 2026

Learn how to use validation contexts in Rails to conditionally validate models - like saving drafts without validation but requiring them when publishing.

Domain Monitor SaaS Introduction

Nov 29, 2025

A peek into the Domain Monitor SaaS product that we'll be building in this series with Rails, Stripe, Solid Queue, and Kamal.

Markdown Renderer & MIME Type in Rails 8.1

Nov 24, 2025

Rails 8.1 introduces a new Markdown MIME Type and renderer to better integrate your apps with AI and other tools that use Markdown

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Forum Threads

rails binary tree and referral

General

Hi, i have an application and that is working clear but i wanna add multi level marketing binary tree module to my application. i created binarytree page and also created add_to_column to members ...

mustafa kahveci posted January 10, 2019 3:10am

Looking for Rails work? / Hiring Rails developers?

General

Any HTML→PDF gem that supports modern CSS (flex/grid) and works on Ruby 2.5.1 + Rails 5.0.7.2?

Rails

Background --------- I have an existing Rails 5.0.7.2 app running on Ruby 2.5.1. In several places I generate invoices as HTML (I build a full HTML string by replacing template tags server-side) an...

Preston Edwards replied April 24, 2026 9:31am