Testing for undefined variables in ruby.
Testing for undefined variables in ruby.

James Butler-Kyniston 7 years ago

How to test for undefined variables in ruby. If you are coming from PHP this is similar to the isset() function. If you are coming from ...

【Rails】(バグ取り解説・その1)NoMethodError | undefined method each for nil:NilClass
【Rails】(バグ取り解説・その1)NoMethodError | undefined method each for nil:NilClass

バグ取り名人 たけ 4 years ago

バグ取り解説動画第1段として,Rails初学者が苦戦する代表的なエラー「NoMethodError」をネタにいろいろ話をしてみました!

"undefined method `title' for nil:NilClass" error in Ruby on Rails
"undefined method `title' for nil:NilClass" error in Ruby on Rails

Roel Van de Paar 10 months ago

"undefined method `title' for nil:NilClass" error in Ruby on Rails Helpful? Please use the *Thanks* button above! Or, thank me via ...

Ruby undefined method `[]' for nil:NilClass (2 Solutions!!)
Ruby undefined method `[]' for nil:NilClass (2 Solutions!!)

Roel Van de Paar 2 years ago

Ruby undefined method `[]' for nil:NilClass Helpful? Please use the *Thanks* button above! Or, thank me via Patreon: ...

Array : Rails undefined method `[]' for nil:NilClass
Array : Rails undefined method `[]' for nil:NilClass

Hey Delphi A year ago

Array : Rails undefined method `[]' for nil:NilClass To Access My Live Chat Page, On Google, Search for "hows tech developer ...

How to Fix a NoMethodError in Rails
How to Fix a NoMethodError in Rails

edutechional 10 years ago

This video shows a typical way to debug a NoMethodError or an incorrect undefined method call in a Ruby on Rails application.

Undefined local variable or method `git_source' for Gemfile
Undefined local variable or method `git_source' for Gemfile

Luke Chaffey 2 years ago

ruby-on-rails: Undefined local variable or method `git_source' for Gemfile Thanks for taking the time to learn more. In this video I'll ...

Help Forum:  NoMethodError: undefined method `split'
Help Forum: NoMethodError: undefined method `split'

Ricky Panzer 9 years ago

Help Forum: NoMethodError: undefined method `split'

Closure Tree gem: NoMethodError: undefined method `[]=' for nil:NilClass
Closure Tree gem: NoMethodError: undefined method `[]=' for nil:NilClass

Roel Van de Paar 2 years ago

Closure Tree gem: NoMethodError: undefined method `[]=' for nil:NilClass Helpful? Please use the *Thanks* button above!

NoMethodError (undefined method `highlight' for #Elasticsearch::Model::Response::Result
NoMethodError (undefined method `highlight' for #Elasticsearch::Model::Response::Result

Luke Chaffey 5 months ago

ruby-on-rails: NoMethodError (undefined method `highlight' for #233 Thanks for taking the time to learn more. In this video I'll go ...

NoMethodError: undefined method `strings' for Puma::Events:Class
NoMethodError: undefined method `strings' for Puma::Events:Class

Peter Schneider 2 years ago

NoMethodError: undefined method `strings' for Puma::Events:Class I hope you found a solution that worked for you :) The Content ...

Help Forum: Cannot view topic, error: "undefined method `name' for nil:NilClass"
Help Forum: Cannot view topic, error: "undefined method `name' for nil:NilClass"

Ricky Panzer 9 years ago

Help Forum: Cannot view topic, error: "undefined method `name' for nil:NilClass"

Ruby Tutorial | Metaprogramming in Ruby - Method Missing
Ruby Tutorial | Metaprogramming in Ruby - Method Missing

Techmaker Studio 4 years ago

In this Ruby tutorial, we'll take a quick look at how to add functionality to objects with the "method_missing" method. Some other ...

How to fix error  - JavaScript runtime error is undefined
How to fix error - JavaScript runtime error is undefined

Vis Dotnet 9 years ago

More info: http://howtodomssqlcsharpexcelaccess.blogspot.ca/2015/06/how-to-fix-error-javascript-runtime.html.

Feature: Blocking entire domains in Ruby on Rails
Feature: Blocking entire domains in Ruby on Rails

Rapid Ruby 2 years ago

Buckle up, this is a long one! Follow along as I build a full feature from start to finish, with RSpec tests and everything else I'd ...

Twitter Verified Speedrun In Ruby On Rails 7
Twitter Verified Speedrun In Ruby On Rails 7

Deanin 2 years ago

Just trying to implement this feature that Elon said people had like 10 days. Obviously this is satirical and all for fun. Checkout my ...

How to add a Realtime Search Filter in Ruby on Rails 7
How to add a Realtime Search Filter in Ruby on Rails 7

Malachi Rails 5 months ago

Use turbo streams and turbo frames to help add a Real time Search bar. Similar to the search bars on Youtube, Google Etc. Hope ...

Speedrunning A Ruby On Rails 7 Goal Tracking App!
Speedrunning A Ruby On Rails 7 Goal Tracking App!

Deanin 2 years ago

Ever wanted to track your goals, the tasks associated with them, and see how far you're progressing with a fancy progress bar?

What If We Tried A Ruby On Rails 7 Speedrun?
What If We Tried A Ruby On Rails 7 Speedrun?

Deanin 2 years ago

This is not meant to be taken seriously, but let's see what we can get done in under 15 minutes lol. Just as a warning, this is most ...

"undefined method 'becomes' for nil:NilClass" where it shouldn't
"undefined method 'becomes' for nil:NilClass" where it shouldn't

Luke Chaffey 2 months ago

ruby: "undefined method 'becomes' for nil:NilClass" where it shouldné Thanks for taking the time to learn more. In this video I'll go ...

Ruby on Rails #60 Hotwire Turbo Streams Autocomplete Search
Ruby on Rails #60 Hotwire Turbo Streams Autocomplete Search

SupeRails 3 years ago

Source code: https://github.com/corsego/60-turbo-autocomplete-search Text guide: ...

Rails Performance Tips and Tricks
Rails Performance Tips and Tricks

CJ Avilla A year ago

Working through some performance improvements to a kanban list of projects. We'll cover eager loading, counter caches, ...

JavaScript runtime error Unable to get property checked of undefined or null reference
JavaScript runtime error Unable to get property checked of undefined or null reference

Vis Dotnet 9 years ago

JavaScript - fix the following error 0x800a138f - JavaScript runtime error: Unable to get property 'checked' of undefined or null ...

Estimated Read Times & Progress Bar (Like Medium) | Ruby On Rails 7 Tutorial
Estimated Read Times & Progress Bar (Like Medium) | Ruby On Rails 7 Tutorial

Deanin 2 years ago

Create Medium style estimated read times to give readers an idea of how long your blog post will take to read, and couple it with a ...

jQuery : Rails Ajax, success callback data undefined
jQuery : Rails Ajax, success callback data undefined

Hey Delphi A year ago

jQuery : Rails Ajax, success callback data undefined To Access My Live Chat Page, On Google, Search for "hows tech developer ...

Fullstack E-Commerce: Ruby on Rails 7, Hotwire, Tailwind, Stripe, PostgreSQL
Fullstack E-Commerce: Ruby on Rails 7, Hotwire, Tailwind, Stripe, PostgreSQL

Conner Jensen 9 months ago

Hey everyone, in this 5 hour tutorial you will learn how to build a full stack e-commerce app using Rails 7, hotwire, tailwind CSS, ...

Taking ChatGPT To Its Limits With Ruby On Rails 7
Taking ChatGPT To Its Limits With Ruby On Rails 7

Deanin 2 years ago

First we race ChatGPT, then we audit its code. It goes uh, about how you'd expect lol. Checkout my course(s) at: ...

Learn Ruby on Rails - Full Course (CREATE INSTAGRAM)
Learn Ruby on Rails - Full Course (CREATE INSTAGRAM)

Malachi Rails 2 years ago

Free Access to Source Code Here. (Link to GitHub) https://malachirails.com/code Website: https://malachirails.com/ How I learned ...

Rails Performance Gem | Ruby on Rails 7 Gem
Rails Performance Gem | Ruby on Rails 7 Gem

Deanin A year ago

This Rails Performance Gem lets you very easily setup a quick performance monitoring dashboard for your Ruby on Rails 7 apps.

Ruby on Rails - Just Enough Rails to Get You Started
Ruby on Rails - Just Enough Rails to Get You Started

The Programmer in You 4 years ago

Installation of Ruby on Rails for Windows https://www.youtube.com/watch?v=OHgXELONyTQ Installation of Ruby on Rails for ...

CoffeeScript for Rubyists
CoffeeScript for Rubyists

InfoQ 13 years ago

In this video from the Code Social Presentation series, Rails Consultant and Entrepreneur Brian Morearty will give you the low ...

Ruby on Rails starter
Ruby on Rails starter

Stripe Developers 4 years ago

In this edition of Stripe Developer Office Hours, follow along as CJ Avilla walks through the fundamentals of working with Rails ...

How to resolve undefined method \EntityManagerWrapper::getActiveDefinition()
How to resolve undefined method \EntityManagerWrapper::getActiveDefinition()

HowTo 4 years ago

This video will show you how to resolve Call to undefined method ...

Ruby on Rails - Part 2: Just Enough Ruby
Ruby on Rails - Part 2: Just Enough Ruby

UC Berkeley Events 17 years ago

Ruby on Rails Intensive 1-Day Course Part 2: Just Enough Ruby object orientation, naming conventions, mixins and modules ...

Ruby On Rails In 60 Minutes
Ruby On Rails In 60 Minutes

Traversy Media 8 years ago

In this video we will cover all of the fundamentals of the Ruby on Rails framework by building a blog application with comment ...

Custom Error Pages in Ruby on Rails
Custom Error Pages in Ruby on Rails

webcrunch 4 years ago

Hi, My name is Andy Leverenz and I work as a product designer and developer. For fun, I design, code, and write. Check out my ...

Ruby on Rails #50 ActiveRecord Enum - when and why to use enums?
Ruby on Rails #50 ActiveRecord Enum - when and why to use enums?

SupeRails 3 years ago

without enums: https://github.com/corsego/50-rails-enums/commit/c8d725750760884216c429d10c5edcb815ccd5b9 enums as ...

How to use the Delegate Pattern in Ruby on Rails
How to use the Delegate Pattern in Ruby on Rails

webcrunch 4 years ago

When working with more complex associations in a Ruby on Rails app you may find yourself in an object chaining problem upon ...

Update Page Without Refreshing Using Turbo | Ruby On Rails 7 Tutorial
Update Page Without Refreshing Using Turbo | Ruby On Rails 7 Tutorial

Deanin 2 years ago

Just another tutorial that I'd really like to be able to link to people, so I made it haha. Just covers how to update a page without ...

Ubuntu: rake aborted! undefined local variable or method
Ubuntu: rake aborted! undefined local variable or method

Roel Van de Paar 5 years ago

Ubuntu: rake aborted! undefined local variable or method Helpful? Please support me on Patreon: ...

Pry Open Your Rails 7 Code Debug Like a Pro
Pry Open Your Rails 7 Code Debug Like a Pro

Deanin A year ago

The Pry Gem makes it easy to debug your Ruby on Rails 7 code like a pro. Checkout my course(s) at: https://learn.deanin.com ...

Ruby on Rails API Lesson 01 - Getting start with rails Model.
Ruby on Rails API Lesson 01 - Getting start with rails Model.

SaKKo sama (ความรู้รอบตัว โปรแกรมเมอร์) 3 years ago

rubyonrails #ruby #ror #tutorial Learn to use Ruby on Rails to create API. Lesson 01 will get you started with the basic. For MacOS ...

Reviewing the find_by method in Rails
Reviewing the find_by method in Rails

edutechional 9 years ago

Rails does a great job of incorporating metaprogramming into the Rails gem, and the "find_by" method shows how dynamic ...

Why We Should Stop Using JavaScript According to Douglas Crockford (Inventor of JSON)
Why We Should Stop Using JavaScript According to Douglas Crockford (Inventor of JSON)

Honeypot A year ago

"JavaScript is a smelly language"! Hey, don't hate the messenger, it's Douglas Crockford, the cheeky creator of JSON and (former ...

puppet-master/foreman "undefined method `[]' for nil:NilClass on node" after update
puppet-master/foreman "undefined method `[]' for nil:NilClass on node" after update

Roel Van de Paar 4 years ago

DevOps & SysAdmins: puppet-master/foreman "undefined method `[]' for nil:NilClass on node" after update Helpful? Please ...

Ruby on Rails #58 Nested Resources
Ruby on Rails #58 Nested Resources

SupeRails 3 years ago

Episode source code: https://github.com/corsego/58-nested-resources/commit/9885432f93f1c5af100e10edc57d8f3358527738 ...

Speedrun Leaderboard Live Coding Ruby On Rails Part 1
Speedrun Leaderboard Live Coding Ruby On Rails Part 1

Deanin 2 years ago

We've been doing speedruns, now it's time to make a leaderboard for them. This series will just be some chill live coding until I get ...

Let's Build Twitter with Ruby on Rails - Part 81 - Paginating through Tweets in Dashboard
Let's Build Twitter with Ruby on Rails - Part 81 - Paginating through Tweets in Dashboard

TypeFast 2 years ago

Sign up for the mailing list by hitting the Subscribe button at: https://www.typefast.co Purchase of the Twitter Clone repository is at: ...

JavaScript UNDEFINED vs EMPTY vs NULL in Hindi | Mentor Vikash
JavaScript UNDEFINED vs EMPTY vs NULL in Hindi | Mentor Vikash

Revive Coding 2 years ago

Here we discuss what is different between undefined and empty in js. First understands the concept of undefined and empty ...

API Requests In Rails With The Faraday Gem | Ruby On Rails 7 Tutorial
API Requests In Rails With The Faraday Gem | Ruby On Rails 7 Tutorial

Deanin 2 years ago

The Faraday gem allows you to make API requests to remote servers more easily by providing a common interface across many ...

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