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Tag: ruby
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Solving Longest Palindromic Substring: A Multi-Language Approach
2024-12-16
web-development
ruby
python
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
7 Python Best Practices for Writing Clean and Maintainable Code
2024-10-20
python
ruby-on-rails
ruby
What are the security implications of using `eval` in Ruby, and how can you avoid them?
2024-10-20
ruby
security
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
Explain the difference between 'include' and 'extend' in Ruby modules.
2024-10-15
ruby
ruby-on-rails
How would you implement a soft delete feature in a Rails application?
2024-10-15
ruby
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 the different types of variables in Ruby and explain their scope?
2024-10-15
ruby
ruby-on-rails
What is the Global Interpreter Lock (GIL) and how does it affect Ruby?
2024-10-14
ruby
What techniques can you use to profile Ruby code and identify bottlenecks?
2024-10-12
ruby
performance
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
Explain the difference between `delegate` and `delegation` in Ruby, and how they can be used in Rails.
2024-10-05
ruby
ruby-on-rails
What are 'open classes' in Ruby and what are their advantages and disadvantages?
2024-10-01
ruby
ruby-on-rails
What are Service Objects and When Should You Use Them?
2024-09-22
ruby
What is 'duck typing' and how does it apply to Ruby?
2024-09-20
ruby
What are RubyGems and How Do They Work?
2024-09-20
ruby
web-development
Explain the difference between `raise` and `fail` for raising exceptions.
2024-09-18
ruby
Explain the difference between a symbol and a string in Ruby.
2024-09-18
ruby
data-handling
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
Explain the difference between `load` and `require` in Ruby.
2024-09-15
ruby
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
What is the impact of the Global Interpreter Lock (GIL) on Ruby performance?
2024-09-15
ruby
performance
Explain the difference between multithreading and multiprocessing in Ruby.
2024-09-15
ruby
performance
What are Ruby's Access Control Modifiers and How Do They Differ?
2024-09-15
ruby
How does the Ruby garbage collector affect the performance of Rails applications?
2024-09-15
ruby
ruby-on-rails
performance
web-development
What is the Asset Pipeline in Rails and how does it work?
2024-09-15
ruby-on-rails
web-development
ruby
What are RubyGems and how do they work?
2024-09-15
ruby
web-development
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
How can you use Rack middleware to improve the performance of your application?
2024-09-10
ruby
performance
How can you audit your gem dependencies to identify potential performance issues?
2024-09-01
ruby
performance
Explain the concept of 'metaprogramming' in Ruby. Provide an example.
2024-09-01
ruby
web-development
What are Active Record callbacks and how can they be used?
2024-08-22
ruby
ruby-on-rails
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 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 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 is the purpose of the `config/initializers` directory, and give examples of its use?
2024-08-15
ruby-on-rails
ruby
web-development
Explain how you would debug a memory leak in a Ruby on Rails application.
2024-08-15
ruby
ruby-on-rails
performance
Defining and Calling Methods Dynamically in Ruby
2024-08-15
ruby
Defining RESTful Routes in Rails
2024-08-15
ruby-on-rails
ruby
web-development
What is the difference between a `class` method and an `instance` method in ActiveRecord?
2024-08-15
ruby-on-rails
ruby
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
5 Hidden Gems in the Ruby Standard Library You Should Know
2024-08-15
ruby
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
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
Explain the concept of memoization in Ruby and its use in optimization.
2024-08-15
ruby
performance
Explain the concept of 'memoization' in Ruby and how it can improve performance.
2024-08-15
ruby
performance
How can you monitor and optimize the performance of your application's gem dependencies?
2024-08-15
ruby
performance
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
6 Python Decorators That Will Make Your Code Cleaner
2024-08-15
python
ruby
What is Active Record in Rails? Explain its key features.
2024-08-15
ruby-on-rails
ruby
web-development
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
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 fixtures and factories in Rails testing?
2024-08-15
ruby-on-rails
ruby
What are Rake tasks and how do you create custom Rake tasks?
2024-08-15
ruby
devops
How would you implement a rate-limiting feature in a Rails API to prevent abuse?
2024-08-15
ruby-on-rails
ruby
web-development
Explain the difference between processes and threads in Ruby concurrency.
2024-08-15
ruby
Explain How Garbage Collection Works in Ruby and Its Potential Impact
2024-08-15
ruby
performance
Explain the performance characteristics of different Ruby versions (e.g., 2.7 vs. 3.0).
2024-08-15
ruby
performance
How do you send emails from a Rails application using Action Mailer?
2024-08-15
ruby
ruby-on-rails
web-development
How do you test models in Rails?
2024-08-15
ruby-on-rails
ruby
What tools can you use to identify and debug memory-related issues in Ruby?
2024-08-15
ruby
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 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 do you handle forms in Rails? Explain the use of `form_for` and `form_with`.
2024-08-10
ruby-on-rails
ruby
web-development
What is the 'Eigenclass' or 'Singleton Class' in Ruby? How is it used?
2024-08-10
ruby
What are some tools for static code analysis in Ruby and how can they improve code quality?
2024-08-10
ruby
Explain the use of `yield` in Ruby methods.
2024-08-10
ruby
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
How can you implement rate limiting in a Rails API to prevent abuse?
2024-08-09
ruby
ruby-on-rails
security
Explain the use of RSpec for testing in Rails.
2024-08-09
ruby
ruby-on-rails
Leveraging TypeScript Decorators for Code Reusability and Maintainability
2024-08-09
web-development
ruby
Explain how garbage collection works in Ruby and its potential impact.
2024-08-08
ruby
performance
How can you handle exceptions in Ruby? Explain the `begin`, `rescue`, `ensure`, and `else` clauses.
2024-08-08
ruby
How do you test controllers in Rails?
2024-08-08
ruby-on-rails
ruby
Leveraging TypeScript Decorators for Code Reusability and Maintainability
2024-08-08
web-development
ruby
Explain the N+1 query problem in ActiveRecord and its consequences.
2024-08-08
ruby
ruby-on-rails
performance
6 Practical Uses of Ruby Metaprogramming to Simplify Your Code
2024-08-08
ruby
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
What are Ruby's access control modifiers and how do they differ?
2024-08-08
ruby
ruby-on-rails
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