Which function in the Active Record Class is used to read data from the database?
- fetch()
- get()
- read()
- select()
The get() function in the Active Record Class is used to read data from the database. It allows you to specify the table and conditions for retrieving data. This method simplifies the process of querying the database and fetching results in a structured manner.
The ________ directory is used for adding custom helper functions in CodeIgniter.
- application/custom
- application/helpers
- application/libs
- application/utilities
CodeIgniter uses the 'application/helpers' directory for adding custom helper functions. Helper functions are sets of utility functions that can be used throughout the application.
In payment gateway integrations, what is the purpose of using a webhook?
- Data Encryption
- Load Balancing
- Real-time Notification of Events
- Session Management
The purpose of using a webhook in payment gateway integrations is to receive real-time notifications of events, such as successful payments or chargebacks. Webhooks enable developers to respond promptly to transaction-related events, enhancing the efficiency and responsiveness of the payment processing system.
The process of synchronizing a user's social media profile with an application's user profile is known as ________.
- Authentication
- Integration
- Mapping
- Synchronization
Synchronization refers to the process of keeping two sets of data, in this case, a user's social media profile and the application's user profile, consistent and up-to-date with each other.
To optimize database queries in CodeIgniter, one should use:
- ActiveRecord Class
- Database Helper Functions
- Query Builder Class
- Raw SQL Queries
CodeIgniter recommends using the Query Builder Class to optimize and simplify database queries. It provides a convenient and secure way to interact with the database, reducing the risk of SQL injection and enhancing code readability.
How can you customize the appearance of pagination links in CodeIgniter?
- customize_links()
- set_pagination_style()
- pagination_style()
- use_custom_pagination()
The correct option is set_pagination_style(). In CodeIgniter, you can customize the appearance of pagination links by using the set_pagination_style() method. It allows you to define your own CSS styles or classes for pagination links, providing flexibility in design.
To optimize a CodeIgniter application for a production environment, certain database configuration settings like ________ should be adjusted.
- Caching
- Database Connection Pooling
- Debug Mode
- Encryption Key
To optimize a CodeIgniter application for a production environment, adjusting caching settings is crucial. By enabling caching, CodeIgniter can store and reuse data, reducing the load on the database and improving overall application performance.
To add custom query parameters to pagination links, the ________ configuration option is used.
- custom_params
- page_query_string
- link_params
- query_options
The page_query_string configuration option in CodeIgniter allows the addition of custom query parameters to pagination links, facilitating customization based on specific requirements.
In a scenario where a user logs in through a social media account and their profile picture and bio are automatically updated in the app, this process is known as ________.
- Data Synchronization
- OAuth Integration
- Social Media Scraping
- User Profiling
The correct option is "Data Synchronization." This process involves updating user data in the app in real-time based on changes in the external source, in this case, the social media account. It ensures that the app reflects the latest information from the user's profile.
How does exception handling contribute to a program's robustness?
- Enhances code reliability by handling unexpected errors gracefully
- Increases code complexity and performance issues
- Only applicable in certain programming languages
- Reduces the need for testing
Exception handling improves a program's robustness by allowing it to gracefully handle unexpected errors. It prevents abrupt termination and provides mechanisms to recover or log errors, contributing to overall code reliability.