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Tag: ruby-on-rails
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Base64 Encoding in Ruby: Advanced Guide with Real-World Examples
2024-12-08
ruby
ruby-on-rails
web-development
What is Rack and how does it relate to Rails?
2024-11-09
ruby-on-rails
web-development
ruby
What are Service Objects and when should you use them?
2024-11-01
ruby-on-rails
What are layouts and partials in Rails views?
2024-10-25
ruby-on-rails
web-development
Explain the concept of 'nested resources' in Rails routing.
2024-10-21
ruby-on-rails
web-development
7 Python Best Practices for Writing Clean and Maintainable Code
2024-10-20
python
ruby-on-rails
ruby
How do you handle database schema conflicts when working with a team on a Rails project?
2024-10-20
ruby-on-rails
Explain the role of Action Cable in Rails and how it facilitates real-time features.
2024-10-17
ruby-on-rails
web-development
What are some common performance bottlenecks in Rails applications and how do you address them?
2024-10-15
ruby-on-rails
performance
ruby
web-development
What is the purpose of the `config.cache_classes` setting, and when to use it?
2024-10-15
ruby-on-rails
performance
Explain the difference between 'include' and 'extend' in Ruby modules.
2024-10-15
ruby
ruby-on-rails
How can you use Action Cable effectively without degrading application performance?
2024-10-15
ruby-on-rails
web-development
performance
What is the impact of including too many gems in your Gemfile on performance?
2024-10-15
ruby-on-rails
performance
web-development
What techniques can you use for horizontal scaling of a Rails application?
2024-10-15
ruby-on-rails
performance
web-development
How would you implement a soft delete feature in a Rails application?
2024-10-15
ruby
ruby-on-rails
web-development
What is the MVC architecture and how does it apply to Rails?
2024-10-15
ruby-on-rails
web-development
What are some popular background job processing libraries for Rails (e.g., Sidekiq, Delayed Job)?
2024-10-15
ruby
ruby-on-rails
What are database indexes, and how do they improve query performance in Rails?
2024-10-15
ruby-on-rails
What are some techniques for optimizing a Rails application for SEO?
2024-10-15
ruby-on-rails
web-development
performance
What are the different types of variables in Ruby and explain their scope?
2024-10-15
ruby
ruby-on-rails
What is the Purpose of the `params` Hash in a Controller?
2024-10-14
web-development
ruby-on-rails
Building a Real-Time Application with Ruby on Rails and Action Cable
2024-10-12
ruby-on-rails
web-development
What are the different types of data migrations in Rails?
2024-10-12
ruby-on-rails
ruby
data-handling
web-development
Extracting Color Palettes from Images: A Complete Guide to Color Analysis
2024-10-10
ruby-on-rails
ruby
data-handling
How can you use `find_each` or `find_in_batches` to process large datasets efficiently?
2024-10-10
ruby-on-rails
ruby
data-handling
What are some common strategies for preventing SQL injection vulnerabilities in Rails beyond ActiveRecord?
2024-10-10
ruby-on-rails
security
ruby
web-development
Building a Basic API Authentication System in Ruby on Rails from Scratch
2024-10-10
ruby
ruby-on-rails
security
What are some best practices for writing secure Ruby code, especially when dealing with user input?
2024-10-10
ruby
security
ruby-on-rails
What is Action View in Rails?
2024-10-10
ruby-on-rails
web-development
ruby
What are some common performance issues related to routing in Rails?
2024-10-05
ruby-on-rails
performance
Explain the difference between `delegate` and `delegation` in Ruby, and how they can be used in Rails.
2024-10-05
ruby
ruby-on-rails
Explain the concept of 'optimistic locking' in Active Record and how it helps prevent race conditions.
2024-10-01
ruby-on-rails
Top 6 Ruby on Rails Interview Questions for Mid-Level Developers
2024-10-01
ruby-on-rails
What are 'open classes' in Ruby and what are their advantages and disadvantages?
2024-10-01
ruby
ruby-on-rails
How would you use a background job to generate and serve a large downloadable file without blocking the main web process?
2024-09-20
ruby-on-rails
web-development
Explain the use of Active Job in Rails.
2024-09-20
ruby-on-rails
What are Active Record validations and how do you use them?
2024-09-15
ruby
ruby-on-rails
web-development
What are the advantages of using Sidekiq as a background job processor?
2024-09-15
ruby
ruby-on-rails
performance
What are some techniques for avoiding and debugging memory leaks in Rails?
2024-09-15
ruby-on-rails
What are some best practices for writing performant database migrations?
2024-09-15
performance
ruby-on-rails
What are some caching best practices to follow in a Rails application?
2024-09-15
ruby-on-rails
performance
web-development
What are some common caching mistakes that can negatively impact performance?
2024-09-15
performance
web-development
ruby-on-rails
What is the difference between `save` and `save!` in ActiveRecord?
2024-09-15
ruby-on-rails
web-development
What are the different ways to handle background jobs in Rails?
2024-09-15
ruby-on-rails
ruby
web-development
How do you handle internationalization (i18n) and localization (l10n) in a Rails application?
2024-09-15
ruby-on-rails
ruby
web-development
Implementing Authorization in a Ruby on Rails API with Pundit
2024-09-15
ruby-on-rails
security
Explain how you would implement a feature flag system in a Rails application.
2024-09-15
ruby-on-rails
Mastering TypeScript Enums: Best Practices and Use Cases
2024-09-15
web-development
ruby-on-rails
How can you optimize the performance of ActiveRecord `find` methods?
2024-09-15
ruby-on-rails
performance
Optimizing Ruby on Rails Assets for Faster Page Load Times
2024-09-15
ruby-on-rails
performance
What is the Asset Pipeline, and how does it impact Rails performance?
2024-09-15
ruby-on-rails
performance
web-development
Explain the use of helpers in Rails views.
2024-09-15
ruby-on-rails
web-development
What are Fixtures and Factories in Rails Testing?
2024-09-15
ruby-on-rails
How would you implement WebSockets in a Rails application without using Action Cable?
2024-09-15
ruby-on-rails
web-development
How do you render views in Rails controllers?
2024-09-15
ruby-on-rails
web-development
What is the role of a reverse proxy like Nginx or Apache in a Rails setup?
2024-09-15
ruby-on-rails
web-development
How does the Ruby garbage collector affect the performance of Rails applications?
2024-09-15
ruby
ruby-on-rails
performance
web-development
What are some techniques for speeding up the boot time of a Rails application?
2024-09-15
ruby-on-rails
performance
web-development
How do you use `ActiveRecord::Dirty` to track changes to model attributes?
2024-09-15
ruby-on-rails
What is the Asset Pipeline in Rails and how does it work?
2024-09-15
ruby-on-rails
web-development
ruby
Explain the concept of 'technical debt' and how it relates to Rails development.
2024-09-15
ruby-on-rails
ruby
What is a 'mixin' in Ruby and how is it used?
2024-09-15
ruby
ruby-on-rails
What is Action Controller in Rails?
2024-09-15
ruby-on-rails
ruby
What is the purpose of the `config/environments` directory?
2024-09-14
ruby-on-rails
web-development
What are the performance trade-offs between using ActiveRecord and writing raw SQL?
2024-09-01
ruby-on-rails
web-development
What are some techniques for monitoring the overall performance of a Rails app?
2024-09-01
ruby-on-rails
performance
web-development
What are the most common performance bottlenecks in Rails applications?
2024-08-22
ruby-on-rails
performance
web-development
What are Active Record callbacks and how can they be used?
2024-08-22
ruby
ruby-on-rails
How do you handle database indexes in Rails migrations, and what are the different types of indexes?
2024-08-20
ruby-on-rails
web-development
What is the N+1 Query Problem and How Do You Solve It?
2024-08-20
performance
ruby-on-rails
What are 'strong parameters' in Rails and why are they important?
2024-08-18
ruby-on-rails
web-development
What are some techniques for A/B testing in a Rails application?
2024-08-15
ruby-on-rails
ruby
web-development
How do you use Active Record's `find_each` and `find_in_batches` methods for processing large datasets?
2024-08-15
ruby
ruby-on-rails
data-handling
What are 'scopes' in Active Record and how do you define them?
2024-08-15
ruby-on-rails
ruby
web-development
What are transactions in Active Record and how do you use them?
2024-08-15
ruby-on-rails
web-development
What is the purpose of the `ActiveModel::Serializers` gem, and how can it be used for API responses?
2024-08-15
ruby
ruby-on-rails
data-handling
What is the role of the `after_commit` callback in the context of performance?
2024-08-15
ruby
ruby-on-rails
performance
web-development
What are some best practices for building high-performing APIs in Rails?
2024-08-15
ruby
ruby-on-rails
performance
What are some best practices for writing maintainable and scalable Rails code?
2024-08-15
ruby-on-rails
web-development
performance
What is caching and how can you implement it in Rails?
2024-08-15
ruby-on-rails
ruby
web-development
performance
What is the difference between a `class` method and an `instance` method in ActiveRecord?
2024-08-15
ruby-on-rails
ruby
What are some common performance bottlenecks in Rails applications and how do you address them?
2024-08-15
ruby
ruby-on-rails
performance
web-development
What are some common pitfalls when upgrading a Rails application to a new major version?
2024-08-15
ruby-on-rails
web-development
Top 5 Ruby on Rails Authentication Gems Compared
2024-08-15
ruby-on-rails
security
What is the purpose of the `config/initializers` directory, and give examples of its use?
2024-08-15
ruby-on-rails
ruby
web-development
How do you configure different environments in a Rails application (e.g., development, test, production)?
2024-08-15
ruby-on-rails
How do you configure and use `ActiveSupport::Cache::Store` effectively?
2024-08-15
ruby-on-rails
performance
How do you configure and use Rails log levels?
2024-08-15
ruby-on-rails
devops
What is the purpose of the params hash in a controller?
2024-08-15
ruby-on-rails
web-development
What are controllers in Rails and what is their role?
2024-08-15
ruby-on-rails
web-development
What is convention over configuration in Rails?
2024-08-15
ruby-on-rails
web-development
Counter Cache in Rails: A Performance Optimization Guide
2024-08-15
ruby-on-rails
performance
Creating and Using Custom Middleware in Rails
2024-08-15
ruby-on-rails
performance
web-development
Database Migrations Impact on Performance and Mitigation Strategies
2024-08-15
performance
ruby-on-rails
Database Schema Design Strategies for Performance
2024-08-15
performance
ruby-on-rails
Understanding the Purpose of schema.rb in Rails
2024-08-15
ruby-on-rails
Understanding Rails db:seed Task: Purpose and Usage
2024-08-15
ruby-on-rails
How to Debug Memory Leaks in Ruby on Rails Applications
2024-08-15
ruby-on-rails
performance
Explain how you would debug a memory leak in a Ruby on Rails application.
2024-08-15
ruby
ruby-on-rails
performance
Defining Associations in Active Record Models
2024-08-15
ruby-on-rails
Defining Database Schema in Rails Using Migrations
2024-08-15
ruby-on-rails
Defining RESTful Routes in Rails
2024-08-15
ruby-on-rails
ruby
web-development
Delayed Job Drawbacks and Limitations
2024-08-15
ruby-on-rails
performance
Deploying Rails Applications to Production
2024-08-15
ruby-on-rails
web-development
devops
What is the difference between a `class` method and an `instance` method in ActiveRecord?
2024-08-15
ruby-on-rails
ruby
Understanding Cookies vs Sessions in Rails
2024-08-15
ruby-on-rails
web-development
security
What is the difference between `update` and `update_attributes`?
2024-08-15
ruby-on-rails
web-development
Differentiate between `includes`, `preload`, and `eager_load` in ActiveRecord.
2024-08-15
ruby-on-rails
How do you perform eager loading of associations in Active Record?
2024-08-15
ruby-on-rails
performance
What is Eager Loading in ActiveRecord, and When is it Beneficial?
2024-08-15
ruby-on-rails
performance
What is eager loading in ActiveRecord, and when is it beneficial?
2024-08-15
ruby-on-rails
ruby
performance
Explain the use of `counter_cache` in Rails and when it is beneficial.
2024-08-15
ruby-on-rails
ruby
web-development
What is the purpose of the `Gemfile` and `Gemfile.lock` files?
2024-08-15
ruby
ruby-on-rails
How do you handle API versioning in a Rails application?
2024-08-15
ruby-on-rails
ruby
web-development
How do you handle parameters in Rails controllers?
2024-08-15
ruby-on-rails
ruby
web-development
How do you handle time zones effectively in a Rails application, especially when dealing with users in different locations?
2024-08-15
ruby-on-rails
How do you identify performance issues in a Ruby on Rails application?
2024-08-15
ruby-on-rails
performance
web-development
How would you implement a search feature in a Rails application using a gem like Elasticsearch or Solr?
2024-08-15
ruby-on-rails
ruby
web-development
What is the purpose of the `ActiveSupport::Notifications` module and how can you use it for instrumentation?
2024-08-15
ruby
ruby-on-rails
web-development
Describe how you would integrate a front-end framework like React or Vue.js with a Rails backend.
2024-08-15
web-development
ruby-on-rails
What is the role of a load balancer in a high-traffic Rails application setup?
2024-08-15
ruby-on-rails
web-development
performance
What are some tools for load testing Rails applications, and how to use them?
2024-08-15
ruby-on-rails
performance
web-development
ruby
How do you manage dependencies in a Ruby project using Bundler?
2024-08-15
ruby
ruby-on-rails
Monitoring Ruby on Rails Application Performance in Production
2024-08-15
ruby-on-rails
devops
performance
What are the advantages and disadvantages of using a NoSQL database like MongoDB with a Rails application?
2024-08-15
ruby-on-rails
web-development
How can you optimize database queries in a Rails application?
2024-08-15
ruby-on-rails
performance
What are the new performance-related features introduced in Rails 7?
2024-08-15
ruby-on-rails
performance
web-development
What is the performance impact of using many validations in your models?
2024-08-15
performance
ruby-on-rails
Explain the use of `pluck` vs `select` in ActiveRecord
2024-08-15
ruby-on-rails
performance
Explain the use of `pluck` vs `select` in ActiveRecord.
2024-08-15
ruby-on-rails
What are some popular authentication gems for Rails (e.g., Devise, Authlogic)?
2024-08-15
ruby-on-rails
ruby
security
web-development
What are some popular authorization gems for Rails (e.g., Pundit, CanCanCan)?
2024-08-15
ruby-on-rails
ruby
security
What is the purpose of the `app/channels` directory in a Rails 6+ application?
2024-08-15
ruby-on-rails
web-development
What is the purpose of the `protect_from_forgery` method in controllers?
2024-08-15
ruby-on-rails
security
web-development
What is Active Record in Rails? Explain its key features.
2024-08-15
ruby-on-rails
ruby
web-development
How can you use a caching mechanism like Redis or Memcached with Rails?
2024-08-15
ruby-on-rails
web-development
performance
Explain the concept of 'concerns' in Rails.
2024-08-15
ruby
ruby-on-rails
web-development
What is the purpose of the `config.assets.precompile` setting in the Rails configuration?
2024-08-15
ruby-on-rails
web-development
ruby
What is the purpose of the `config.force_ssl` setting and when should you use it?
2024-08-15
ruby-on-rails
security
web-development
When is using `counter_cache` not recommended, and what are the alternatives?
2024-08-15
ruby-on-rails
web-development
performance
How do you handle internationalization (i18n) and localization (l10n) in a Rails application?
2024-08-15
ruby-on-rails
ruby
web-development
What is the purpose of the `lib` directory in a Rails application?
2024-08-15
ruby-on-rails
ruby
web-development
What are the trade-offs between using a monolithic architecture versus a microservices architecture for a Rails application?
2024-08-15
ruby-on-rails
web-development
What is the purpose of the `config/secrets.yml` file (or credentials in Rails 5.2+) and how does it enhance security?
2024-08-15
ruby-on-rails
security
What are some common security vulnerabilities in web applications and how does Rails address them (e.g., XSS, CSRF, SQL injection)?
2024-08-15
ruby-on-rails
security
web-development
What are fixtures and factories in Rails testing?
2024-08-15
ruby-on-rails
ruby
How do you authorize users in a Rails application? Explain the concept of role-based access control.
2024-08-15
ruby-on-rails
security
web-development
How would you implement a rate-limiting feature in a Rails API to prevent abuse?
2024-08-15
ruby-on-rails
ruby
web-development
How do you rollback a migration in Rails?
2024-08-15
ruby-on-rails
web-development
How do you send emails from a Rails application using Action Mailer?
2024-08-15
ruby
ruby-on-rails
web-development
How do you solve the N+1 query problem in a Rails application?
2024-08-15
ruby-on-rails
performance
How do you test models in Rails?
2024-08-15
ruby-on-rails
ruby
Explain how you would test a Rails application that heavily relies on external API calls.
2024-08-15
ruby-on-rails
What are some tools for monitoring and profiling Rails applications?
2024-08-15
ruby-on-rails
devops
performance
What tools do you use for profiling the performance of Rails code?
2024-08-15
ruby-on-rails
performance
ruby
What is the purpose of the `thread_mattr_accessor` and how does it differ from `class_attribute`?
2024-08-15
ruby-on-rails
ruby
What are initializers in Rails and how are they used?
2024-08-15
ruby-on-rails
web-development
ruby
What is the `bullet` gem, and how does it help improve performance?
2024-08-15
ruby
ruby-on-rails
performance
What is REST and how does it relate to Rails?
2024-08-15
ruby-on-rails
web-development
How can you optimize the use of ActiveRecord callbacks to avoid performance issues?
2024-08-12
ruby-on-rails
performance
How would you approach optimizing a specific, slow-performing feature in Rails?
2024-08-12
ruby-on-rails
web-development
What are the different types of filters in Rails controllers (e.g., before_action, after_action)?
2024-08-12
ruby-on-rails
What is the purpose of the `config/routes.rb` file?
2024-08-12
ruby
ruby-on-rails
web-development
Explain the difference between `find`, `find_by`, and `where` in Active Record.
2024-08-10
ruby
ruby-on-rails
web-development
How can you effectively use `rack-mini-profiler` to improve your app's performance?
2024-08-10
ruby
performance
ruby-on-rails
web-development
How does Rails handle Cross-Site Request Forgery (CSRF) protection?
2024-08-10
ruby-on-rails
security
web-development
Explain how to implement HTTP caching in Rails, including ETags.
2024-08-10
ruby-on-rails
security
performance
4 Ways to Implement Background Jobs in Ruby on Rails
2024-08-10
ruby-on-rails
How can you implement a GraphQL API in a Rails application?
2024-08-10
ruby-on-rails
web-development
How can you implement read replicas in a Rails application using ActiveRecord?
2024-08-10
ruby-on-rails
What are some strategies for optimizing a Rails app for high traffic?
2024-08-10
ruby-on-rails
web-development
performance
Optimizing Ruby on Rails Database Queries: Identifying and Fixing Slow Queries
2024-08-10
ruby-on-rails
performance
What is the difference between a `before_save` and a `before_validation` callback, and when would you use each?
2024-08-10
ruby-on-rails
Explain different caching strategies in Rails (e.g., page caching, fragment caching, action caching).
2024-08-10
ruby-on-rails
performance
web-development
How would you use Redis or Memcached for caching in a Rails application?
2024-08-10
ruby-on-rails
performance
web-development
How do you handle forms in Rails? Explain the use of `form_for` and `form_with`.
2024-08-10
ruby-on-rails
ruby
web-development
5 Common Ruby on Rails Security Vulnerabilities and How to Prevent Them
2024-08-10
ruby-on-rails
security
What are some strategies for scaling a Rails application horizontally?
2024-08-10
ruby-on-rails
performance
web-development
How do you test views in Rails?
2024-08-10
ruby-on-rails
web-development
How do you test a Rails application? Explain the different types of tests (e.g., unit, integration, functional).
2024-08-10
ruby-on-rails
How do you write raw SQL queries in ActiveRecord?
2024-08-10
ruby-on-rails
web-development
Explain the different types of associations in Active Record (e.g., has_many, belongs_to, has_and_belongs_to_many, has_one).
2024-08-09
ruby-on-rails
ruby
web-development
Explain the role of 'middleware' in a Rails application.
2024-08-09
ruby-on-rails
web-development
How can you implement rate limiting in a Rails API to prevent abuse?
2024-08-09
ruby
ruby-on-rails
security
How does Rails handle database connection pooling, and why is it important?
2024-08-09
ruby-on-rails
web-development
performance
Explain the use of RSpec for testing in Rails.
2024-08-09
ruby
ruby-on-rails
5 Python Design Patterns Every Developer Should Know
2024-08-08
python
ruby-on-rails
How do you authenticate users in a Rails application?
2024-08-08
ruby-on-rails
security
web-development
Building a Simple REST API with Ruby on Rails: A Step-by-Step Guide
2024-08-08
ruby-on-rails
Building a GraphQL API with Ruby on Rails
2024-08-08
ruby-on-rails
Building a GraphQL API with Ruby on Rails
2024-08-08
ruby-on-rails
How do you configure Puma or Unicorn for optimal performance in production?
2024-08-08
ruby-on-rails
web-development
performance
7 Essential TypeScript Features for Building Scalable Applications
2024-08-08
web-development
performance
ruby-on-rails
Explain the concept of 'migrations' in Rails and how they work.
2024-08-08
ruby-on-rails
How do you test controllers in Rails?
2024-08-08
ruby-on-rails
ruby
Explain the N+1 query problem in ActiveRecord and its consequences.
2024-08-08
ruby
ruby-on-rails
performance
How can you optimize logging in a production Rails environment?
2024-08-08
ruby-on-rails
devops
performance
Implementing Caching in a Ruby on Rails Application for Performance Improvement
2024-08-08
ruby-on-rails
web-development
performance
Explain the different caching strategies available in Rails (page, fragment, action).
2024-08-08
ruby-on-rails
performance
web-development
How can you optimize your Rails application for mobile users and devices?
2024-08-08
ruby-on-rails
performance
web-development
Securing Your Ruby on Rails Application: Top Security Best Practices
2024-08-08
ruby-on-rails
ruby
security
web-development
What is the role of the `tmp` directory in a Rails application's performance?
2024-08-08
ruby-on-rails
ruby
web-development
performance
How would you use Redis in a Rails application beyond caching (e.g., for data structures, pub/sub)?
2024-08-08
ruby-on-rails
web-development
What are Ruby's access control modifiers and how do they differ?
2024-08-08
ruby
ruby-on-rails
5 Ruby on Rails Best Practices for Faster Development Cycles
2024-08-08
ruby-on-rails
web-development
performance
4 Ruby on Rails Performance Bottlenecks and How to Optimize Them
2024-08-08
ruby-on-rails
performance
Explain the concept of 'Russian doll caching' and how it can improve performance in nested views.
2024-08-08
performance
web-development
ruby-on-rails
How can you scale Redis effectively when using it for Rails caching?
2024-08-08
ruby-on-rails
performance
How do you implement secure file uploads in a Rails application?
2024-08-08
ruby-on-rails
security
ruby
What is the purpose of `ActiveSupport::Concern` and how is it used?
2024-08-08
ruby
ruby-on-rails
What is the purpose of the `super` keyword in Ruby?
2024-08-08
ruby
ruby-on-rails
Best Practices for Writing Effective Git Commit Messages
2023-11-01
ruby-on-rails