Ruby on Rails TLDR articles, Courses, Tutorials, Tips & Tricks. Also my adventures in hackathons, startups, teaching online.

• 📕 33% discount on my Video course: Ruby on Rails: Learn to Build a Multitenancy Subscriptions SaaS app MVP (like JumpstartPRO, but you build and own it)
• 📺 SupeRails screencasts - my Youtube channel
• 📈 Open Analytics
• ✉️ Get new post/screencast updates

Total posts: 158

• Sun, Sep 25, 2022 #158

   Double loading StimulusJS controllers ruby, rails, ruby-on-rails, turbo, and stimulusjs

• Tue, Aug 30, 2022 #157

   Use SwearJar to moderate and censor bad words. **** you! ruby-on-rails, profanity, and moderation

• Sat, Aug 6, 2022 #156

   auto-style your html.erb with gem erb-lint ruby-on-rails, erb, haml, and code-quality

• Wed, Jul 20, 2022 #155

   StimulusJS Tabs tabs and stimulusjs

• Sun, Jul 17, 2022 #154

   Export CSV from Rails ruby, rails, ruby-on-rails, export, excel, xls, xlsx, csv, and download

• Sat, Jul 16, 2022 #153

   Import CSV to Rails ruby, rails, ruby-on-rails, export, excel, xls, xlsx, csv, and download

• Sun, Jul 10, 2022 #152

   Load partials async with Turbo Frames ruby, rails, ruby-on-rails, turbo, and hotwire

• Fri, Jul 8, 2022 #151

   StimulusJS checkboxes. Select all. Deselect all bulk-actions, mass-params, and stimulusjs

• Thu, Jul 7, 2022 #150

   Mass update selected records ruby, rails, ruby-on-rails, bulk-actions, and mass-params

• Tue, Jun 21, 2022 #149

   Gem Kredis #2 - recently visited pages ruby-on-rails, redis, and kredis

• Mon, Jun 20, 2022 #148

   Gem Kredis #1 - access Redis via ActiveRecord ruby-on-rails, redis, and kredis

• Sun, Jun 19, 2022 #147

   Accept cookies consent banner in Rails ruby-on-rails, gdpr, and cookies

• Sat, Jun 11, 2022 #146

   SVG in Rails. Gem inline_svg ruby-on-rails, inline_svg, and svg

• Fri, Jun 10, 2022 #145

   Stop writing strftime ruby-on-rails and strftime

• Sun, May 29, 2022 #144

   Chained select fields for gem City-State ruby-on-rails, hotwire, turbo, city-state, and chained-select

• Fri, May 27, 2022 #143

   Chained select fields for custom data structures ruby-on-rails, hotwire, turbo, and chained-select

• Sat, May 14, 2022 #142

   First steps to learning Web Development thoughts and web-development

• Fri, May 13, 2022 #141

   My thoughts about Web Development in 2022 thoughts and web-development

• Tue, May 3, 2022 #140

   Classless CSS frameworks rails, html, and css

• Mon, May 2, 2022 #139

   Semantic HTML in Ruby on Rails rails and html

• Sun, Apr 10, 2022 #138

   Fontawesome + Importmaps + Rails 7 ruby-on-rails and fontawesome

• Sat, Apr 9, 2022 #137

   gem acts_as_votable 4: cached votes, vote scopes, Hotwire ruby, rails, ruby-on-rails, acts_as_votable, hotwire, and turbo

• Sun, Apr 3, 2022 #136

   Hotwire Turbo Frames: Hovercards ruby and hotwire

• Sat, Apr 2, 2022 #135

   Integrate MarkedJS Markdown Parser into a Rails app markdown, marked, and stimulusjs

• Fri, Apr 1, 2022 #134

   Live form validations and error rendering. Live markdown preview ruby, rails, html, stimulusjs, forms, and markdown

• Thu, Mar 31, 2022 #133

   StimulusJS Textarea autogrow stimulusjs

• Sun, Mar 13, 2022 #132

   StimulusJS Dropdown stimulusjs

• Fri, Feb 25, 2022 #131

   🛑🇷🇺 Block access to your software from Russia IPs rails, Ukraine, and rUssia

• Tue, Feb 22, 2022 #130

   TIL: Pass a Hash to Flash rails and today-i-learned

• Sat, Feb 12, 2022 #129

   Tip: distance_of_time_in_percent ruby

• Wed, Feb 9, 2022 #128

   #21 Hotwire Turbo: The one right way to do Modals ruby, rails, ruby-on-rails, hotwire, turbo, tldr, modals, tailwind, and viewcomponent

• Sun, Feb 6, 2022 #127

   Gem data-migrate - an essential gem! ruby, rails, ruby-on-rails, database, and migrations

• Wed, Feb 2, 2022 #126

   Quick tip: Using Partials to Simplify Views ruby-on-rails, tldr, and layouts

• Mon, Jan 24, 2022 #125

   Stimulus JS: A Basic Dropdown controller stimulusjs

• Fri, Jan 7, 2022 #124

   #20 Turbo Streams: autocomplete search ruby-on-rails-7, hotwire, turbo, and autocomplete

• Tue, Dec 28, 2021 #123

   #19 FORM_WITH: conditionally respond with html OR turbo_stream ruby-on-rails-7, hotwire, turbo, and form_with

• Mon, Dec 27, 2021 #122

   #18 BUTTON_TO: conditionally respond with html OR turbo_stream ruby-on-rails-7, hotwire, turbo, and button_to

• Wed, Dec 22, 2021 #121

   TIP: if-else, case-when, hash? ruby, rails, ruby-on-rails, and tiny-tip

• Mon, Dec 13, 2021 #120

   TIP: Rendering partials and collections ruby, rails, ruby-on-rails, tiny-tip, and action-view

• Thu, Dec 9, 2021 #119

   #17 Turbo Streams: Broadcasts ruby, rails, ruby-on-rails, hotwire, turbo, and broadcasts

• Wed, Dec 8, 2021 #118

   Install Ruby on Rails 7 ruby-on-rails-7, and ubuntu

• Sun, Nov 28, 2021 #117

   Emoji select with `gem unicode-emoji` ruby, rails, ruby-on-rails, unicode, and emoji

• Sat, Nov 27, 2021 #116

   TIL: HTML tags I did not know about ruby, rails, ruby-on-rails, today-i-learned, and html

• Fri, Nov 26, 2021 #115

   TIL: date_select VS date_field ruby, rails, ruby-on-rails, today-i-learned, and html

• Thu, Nov 25, 2021 #114

   TIL: Loading animation for a Skeleton loader html, css, and today-i-learned

• Wed, Nov 17, 2021 #113

   #16 Turbo Streams: Edit Modal. ruby, rails, ruby-on-rails, hotwire, turbo, and modals

• Tue, Nov 16, 2021 #112

   Tip: Automatically annotate rails views ruby, rails, ruby-on-rails, action-view, and viewcomponent

• Mon, Nov 15, 2021 #111

   #15 Turbo Streams CRUD ruby, rails, ruby-on-rails, hotwire, turbo, and CRUD

• Sun, Nov 14, 2021 #110

   StimulusJS autopaste controller ruby, rails, ruby-on-rails, and stimulus

• Fri, Nov 12, 2021 #109

   #14 Turbo + Devise ruby, rails, ruby-on-rails, devise, turbo, and hotwire

• Thu, Nov 11, 2021 #108

   Pretty URLs with gem friendly_id ruby, rails, ruby-on-rails, and friendly_id

• Wed, Nov 10, 2021 #107

   RE-REVISED: Polymorphism 101. Part 5 of 3. Even better Polymorphic Comments ruby, rails, ruby-on-rails, polymorphism, polymorphic-associations, and comments

• Sun, Nov 7, 2021 #106

   TIP: URL helper: Redirect to previous page ruby, rails, ruby-on-rails, and url

• Sat, Nov 6, 2021 #105

   Validate uniqueness on the database level ruby, rails, ruby-on-rails, postgresql, and active-record

• Fri, Nov 5, 2021 #104

   #13 Turbo Streams: 5 ways to render View Components ruby, rails, ruby-on-rails, hotwire, turbo, and viewcomponent

• Thu, Nov 4, 2021 #103

   Paginate/Tab records by any attribute ruby, rails, ruby-on-rails, pagination, and tabs

• Wed, Nov 3, 2021 #102

   Basic CSS for new Rails projects without a CSS Framework ruby-on-rails and css

• Tue, Nov 2, 2021 #101

   #12 Turbo: Pagination with gem Pagy, ViewComponent without page refresh ruby, rails, ruby-on-rails, hotwire, turbo, view-component, pagination, and pagy

• Mon, Nov 1, 2021 #100

   #11 Turbo Frames - Load content only when a dropdown is opened ruby, rails, ruby-on-rails, hotwire, turbo, turbo-frames, and dropdowns

• Fri, Oct 29, 2021 #99

   #10 Turbo Streams - Create and stream records. Flash messages. Reusable Streams ruby, rails, ruby-on-rails, hotwire, turbo, turbo-streams, and flash

• Thu, Oct 28, 2021 #98

   Gem Meta Tags for better SEO ruby, rails, ruby-on-rails, SEO, and meta-tags

• Tue, Oct 26, 2021 #97

   #9 Turbo Frame Tabs ruby, rails, ruby-on-rails, hotwire, turbo, and tabs

• Mon, Oct 25, 2021 #96

   #8 Hotwire Turbo: Tabbed content with Turbo Streams ruby, rails, ruby-on-rails, hotwire, and turbo

• Sat, Oct 23, 2021 #95

   ONLY Omniauth login with Devise (without email registration) ruby, rails, ruby-on-rails, devise, and omniauth

• Mon, Oct 18, 2021 #94

   Tiny Tip: Inline if-else statements ruby, rails, ruby-on-rails, if-else, and tiny-tip

• Sun, Oct 17, 2021 #93

   #7 Hotwire Turbo Frames: Search without page refresh. Stimulus. Ransack ruby, rails, ruby-on-rails, hotwire, turbo, ransack, and stimulus

• Thu, Oct 14, 2021 #92

   5 ways to associate current_user with record on create ruby, rails, ruby-on-rails, users, and associations

• Wed, Oct 13, 2021 #91

   Generate Entity-Relationsip-Diagrams (ERD) from a Rails app ruby, rails, ruby-on-rails, and erd

• Tue, Oct 12, 2021 #90

   #6 Hotwire Turbo: Increment likes count without any page refreshes ruby, rails, ruby-on-rails, hotwire, and turbo

• Mon, Oct 11, 2021 #89

   #5 Turbo: Button to update status and refresh frame. Edit inboxes inline ruby, rails, ruby-on-rails, hotwire, and turbo

• Sun, Oct 10, 2021 #88

   Tiny Tip: URL and link helpers. ruby, rails, ruby-on-rails, request-params, url_for, and link_to

• Sat, Oct 9, 2021 #87

   #4 Turbo Frame - Sort records without page refresh. Sorting without a gem. ruby, rails, ruby-on-rails, request-params, hotwire, and turbo

• Fri, Oct 8, 2021 #86

   Tiny Tip: Debug current request in views ruby, rails, ruby-on-rails, and devise

• Thu, Oct 7, 2021 #85

   Current attribute. Access current_user from model ruby, rails, ruby-on-rails, and devise

• Wed, Oct 6, 2021 #84

   #3 Turbo: Keep the audio playing after changing the page ruby, rails, ruby-on-rails, hotwire, turbo, audio, mp3, and turbo-drive

• Tue, Oct 5, 2021 #83

   #2 Turbo Stream inboxes to inboxes/index. Lazy load form. Replace form on submit. ruby, rails, ruby-on-rails, hotwire, and turbo

• Mon, Oct 4, 2021 #82

   #1 Turbo Stream messages to inbox. Render errors ruby, rails, ruby-on-rails, hotwire, and turbo

• Thu, Sep 30, 2021 #81

   Install and use ActiveAdmin in 13 steps ruby, rails, ruby-on-rails, and active-admin

• Mon, Sep 27, 2021 #80

   HTTP Basic authentication ruby, rails, ruby-on-rails, and http-authentication

• Fri, Sep 24, 2021 #79

   Generate a BARCODE for a Product ruby, rails, ruby-on-rails, active-storage, barcode, and service-objects

• Fri, Sep 24, 2021 #78

   Generate a QR code for a Product and store it in ActiveStorage. Service Objects ruby, rails, ruby-on-rails, service-objects, active-storage, and qr-code

• Thu, Sep 23, 2021 #77

   Select or Create Tags with Tom-Select without jQuery (VanillaJS) ruby, rails, ruby-on-rails, vanilla-js, no-jquery, and stimulus

• Mon, Sep 20, 2021 #76

   Gem Traceroutes - find routes without controller actions, actions without routes ruby, rails, ruby-on-rails, and code-quality

• Mon, Aug 30, 2021 #75

   Gem Public Activity: Complete guide to total surveillance ruby, rails, ruby-on-rails, public_activity, and surveillance

• Fri, Aug 20, 2021 #74

   Export from database table to Excel Workbook. Level 1 ruby, rails, ruby-on-rails, export, excel, xls, xlsx, csv, and download

• Tue, Aug 17, 2021 #73

   Quick tip: Helper to display different text based on time of day ruby, rails, ruby-on-rails, helpers, and rspec

• Mon, Aug 16, 2021 #72

   gem Draper: abstract view logic from the model ruby, rails, ruby-on-rails, draper, views, and decorators

• Wed, Aug 11, 2021 #71

   Boolean Checkbox array - easier than you think!

• Tue, Aug 10, 2021 #70

   Procfile: automatically run migrations on Heroku deploy ruby, rails, ruby-on-rails, heroku, and procfile

• Tue, Aug 3, 2021 #69

   Install and use Rubocop - TLDR ruby, rails, rubyonrails, rubocop, and code-quality

• Fri, Jul 30, 2021 #68

   Stimulus Read More - MY WAY!!! stimulusjs

• Wed, Jul 28, 2021 #67

   Rails authorization with gem Pundit ruby, rails, ruby-on-rails, pundit, authorization, and roles

• Sun, Jul 25, 2021 #66

   Rails enums - different approaches ruby, rails, ruby-on-rails, and enums

• Sun, Jul 18, 2021 #65

   Ruby on Rails 6+: install jQuery with yarn and webpacker ruby, rails, ruby-on-rails, jquery, webpacker, and yarn

• Sat, Jul 17, 2021 #64

   gem acts_as_votable 3: vote search scopes ruby, rails, ruby-on-rails, and acts_as_votable

• Fri, Jul 16, 2021 #63

   config_for settings.yml ruby, rails, ruby-on-rails, settings, config_for, config, and yml

• Wed, Jul 14, 2021 #62

   REVISED: Polymorphism 101. Part 4 of 3. Polymorphic Comments ruby, rails, ruby-on-rails, polymorphism, polymorphic-associations, and comments

• Sat, Jul 10, 2021 #61

   Quick tip: Permit params by current user roles ruby, rails, ruby-on-rails, authorization, roles, and params

• Thu, Jul 8, 2021 #60

   Edit Rolify roles for a User ruby, rails, ruby-on-rails, and rolify

• Tue, Jul 6, 2021 #59

   Markdown Level 2. Style markdown css with gem Rouge ruby, rails, ruby-on-rails, markdown, redcarpet, and rouge

• Fri, Jun 11, 2021 #58

   Migrating from Bootstrap 4 with Bootstrap 5 ruby, rails, ruby-on-rails, and markdown

• Thu, Jun 10, 2021 #57

   Add Markdown to your Rails app ruby, rails, ruby-on-rails, and markdown

• Mon, Jun 7, 2021 #56

   Role scopes with gem Ransack ruby, rails, ruby-on-rails, and rolify

• Sun, Jun 6, 2021 #55

   Install and use gem pg_search ruby, rails, ruby-on-rails, and pg_search

• Sat, Jun 5, 2021 #54

   Stimulus Rails - Count characters in input field (+ add css if > 140 characters) ruby, rails, ruby-on-rails, and stimulus

• Fri, Jun 4, 2021 #53

   Stimulus Rails - Count characters in input field ruby, rails, ruby-on-rails, and stimulus

• Thu, Jun 3, 2021 #52

   StimulusJS - Display or hide HMTL based on field input stimulus

• Wed, Jun 2, 2021 #51

   Install Stimulus on Ruby on Rails 6 ruby, rails, ruby-on-rails, stimulus, yarn, and webpacker

• Tue, Jun 1, 2021 #50

   Display or hide div based on field input (RoR + JS) ruby, rails, ruby-on-rails, and javascript

• Mon, May 31, 2021 #49

   Add social log in with Github (Omniauth) ruby, rails, ruby-on-rails, devise, omniauth, and github

• Mon, May 24, 2021 #48

   Complete guide to generating PDFs with gem wicked_pdf ruby, rails, ruby-on-rails, pdf, and wicked_pdf

• Mon, May 17, 2021 #47

   install and troubleshoot mysql ruby, rails, ruby-on-rails, mysql, and mariadb

• Mon, May 10, 2021 #46

   gem acts_as_votable 2: reddit-style up and down voting ruby, rails, ruby-on-rails, and acts_as_votable

• Mon, May 3, 2021 #45

   gem acts_as_votable 1: Like and Dislike posts with Vanilla JS ruby, rails, ruby-on-rails, and acts_as_votable

• Sun, May 2, 2021 #44

   Discount coupon: Ruby on Rails 6: Learn 25+ gems and build a Startup MVP 2020 udemy, ruby on rails, premium tutorial, screencasts, video course, elearning, mvp, startup, and boilerplate

• Sun, May 2, 2021 #43

   Discount coupon: Ruby on Rails 6: Learn to Build a Multitenancy Subscriptions SaaS app MVP gumroad, ruby on rails, premium tutorial, screencasts, video course, multitenancy, saas, subscription, mvp, startup, and boilerplate

• Mon, Apr 26, 2021 #42

   Install Bootstrap 5 with Ruby on Rails 6+. Yarn, Webpack. Popovers, Tooltips. StimulusJS ruby, rails, ruby-on-rails, bootstrap, webpack, yarn, and stimulus

• Mon, Apr 19, 2021 #41

   Telegram Part 3. Authentication. Bot to send private messages ruby, rails, ruby-on-rails, telegram, bots, and httparty

• Mon, Apr 12, 2021 #40

   Telegram Part 2. Notification for CRUD actions ruby, rails, ruby-on-rails, telegram, bots, and httparty

• Mon, Apr 5, 2021 #39

   Search field without gems ruby, rails, ruby-on-rails, and search

• Mon, Mar 29, 2021 #38

   counter_cache - count how many children a records has ruby, rails, and ruby-on-rails

• Mon, Mar 22, 2021 #37

   Telegram Part 1. Button to send group messages ruby, rails, ruby-on-rails, telegram, bots, and httparty

• Mon, Mar 15, 2021 #36

   Button to update status attribute of a table ruby, rails, ruby-on-rails, polymorphism, and polymorphic-associations

• Mon, Mar 8, 2021 #35

   Polymorphism 101. Part 3 of 3. ActsAsTaggable without a gem. SelectizeJS ruby, rails, ruby-on-rails, polymorphism, polymorphic-associations, tags, selectize-js, and jquery

• Mon, Mar 1, 2021 #34

   Polymorphism 101. Part 2 of 3. Polymorphic Payments inside-out. ruby, rails, ruby-on-rails, polymorphism, and polymorphic-associations

• Mon, Feb 22, 2021 #33

   Polymorphism 101. Part 1 of 3. Polymorphic Comments. ruby, rails, ruby-on-rails, polymorphism, and polymorphic-associations

• Mon, Feb 15, 2021 #32

   Custom scaffold templates railsbytes, rubidium, generators, templates, scaffolds, rails, and ruby-on-rails-6

• Mon, Feb 8, 2021 #31

   Sending emails in production with Amazon SES ruby-on-rails, action_mailer, amazon-ses, aws, and sendgrid

• Mon, Feb 1, 2021 #30

   Install and use gem invisible_captcha with devise ruby-on-rails, devise, and invisible_captcha

• Mon, Jan 25, 2021 #29

   styling for true false values ruby-on-rails, helpers, and bootstrap

• Mon, Jan 11, 2021 #28

   One hash field to manage all user roles ruby-on-rails, jsonb, and store_accessor

• Mon, Jan 4, 2021 #27

   HAML or ERB for Ruby on Rails development in 2021? haml, erb, ruby, and rails

• Tue, Dec 29, 2020 #26

   Ruby on Rails 6: Disappearing flash messages with toastr ruby-on-rails, jsonb, and store_accessor

• Mon, Dec 21, 2020 #25

   Navbar with Devise and Bootstrap (4, 5) ruby on rails and devise

• Mon, Dec 14, 2020 #24

   Add custom error pages in a Rails app ruby on rails and error pages

• Mon, Dec 7, 2020 #23

   How to use Credentials in Ruby on Rails 6? TLDR ruby on rails, credentials, secrets, and tldr

• Mon, Dec 7, 2020 #22

   How to use Credentials in Ruby on Rails 6? Full guide ruby on rails, credentials, and secrets

• Mon, Nov 30, 2020 #21

   SaaS: How to code the subscriptions business model? ruby on rails, tutorial, premium, subscription, saas, mvp, and startup

• Mon, Nov 23, 2020 #20

   How to Embed Youtube videos with ActionText? TLDR ruby-on-rails, actiontext, youtube, embed, and tldr

• Mon, Nov 16, 2020 #19

   How to load Heroku production database in development? ruby on rails, heroku, and postgresql

• Mon, Nov 9, 2020 #18

   Write skinny scaffolds and generators ruby-on-rails

• Mon, Nov 2, 2020 #17

   Ruby on Rails: How to setup Postgresql? TLDR ubuntu, postgres, pg, postgresql, and ruby on rails

• Mon, Oct 26, 2020 #16

   How to Install FontAwesome with Yarn and Webpacker in Rails 6? fontawesome, webpacker, and ruby-on-rails-6

• Mon, Oct 19, 2020 #15

   Ruby on Rails: templates and generators in 2020 ruby on rails, templates, generators, and boilerplates

• Mon, Oct 12, 2020 #14

   Rails 6: Install Bootstrap 4 with Yarn and Webpacker: TLDR webpacker, yarn, bootstrap, ruby on rails 6, ruby on rails, and tldr

• Mon, Oct 12, 2020 #13

   Rails 6: Install Bootstrap with Yarn and Webpacker: Full guide webpacker, yarn, bootstrap, ruby on rails 6, and ruby on rails

• Mon, Oct 5, 2020 #12

   Push to github without re-entering password (connect SSH key) github, git, and ssh

• Mon, Sep 28, 2020 #11

   Ruby on Rails: Highlight link_to current_page bootstrap, ruby on rails, and html

• Mon, Sep 21, 2020 #10

   Ruby on Rails: Dark Mode: TLDR ruby on rails, dark mode, dark theme, bootstrap, and tldr

• Mon, Sep 14, 2020 #9

   Quick tip: Footer on the bottom of the page: TLDR ruby on rails, tldr, footer, html, and css

• Mon, Sep 7, 2020 #8

   Install Ruby on Rails 6 with Webpacker and Yarn on Ubuntu: TLDR ruby on rails 6, installation, ubuntu, webpacker, yarn, and tldr

• Mon, Sep 7, 2020 #7

   Install Ruby on Rails 5 on Ubuntu: TLDR ruby on rails 5, installation, ubuntu, webpacker, yarn, and tldr

• Sun, Aug 30, 2020 #6

   3 months on Skillshare. My results skillshare, indiehackers, online courses, and elearning

• Sun, Aug 23, 2020 #5

   Ruby on Rails: a sexy basic Trello clone ruby on rails, jquery, ranked-model, drag and drop, and sortable

• Sun, Aug 16, 2020 #4

   See if User is online: TLDR ruby on rails, tutorial, premium, subscription, saas, mvp, and startup

• Sun, Aug 9, 2020 #3

   Memo - Rails ActiveRecord data types ruby on rails

• Mon, Jun 29, 2020 #2

   Just hit 100 sales and $900 on Udemy!!! [RoR course] udemy, indiehackers, online courses, and elearning

• Mon, Jun 15, 2020 #1

   $1000 in AWS credits for startups (For free) aws, startup, and accelerator