In the "Elements" tab of Browser Developer Tools, what does the "Computed" panel display?
- Computed styles for the selected element
- Server-side computed values
- Styles applied by user scripts
- Upcoming changes to the DOM
The "Computed" panel in the "Elements" tab of Browser Developer Tools displays the computed styles for the selected HTML element. It shows the final styles applied, considering all CSS rules and inheritance.
Which of the following is a JavaScript framework for building user interfaces, developed by Facebook?
- Angular
- Ember.js
- React
- Vue.js
React is a JavaScript framework developed by Facebook for building user interfaces. It is widely used for creating interactive and dynamic UI components in web applications.
The HTML tag with type="checkbox" creates a _______.
- Checkbox
- Radio Button
- Text Field
- Dropdown Menu
The HTML tag with type="checkbox" creates a checkbox input element. Checkboxes allow users to select multiple options from a list.
What does the "Red-Green-Refactor" cycle represent in TDD?
- A color-coded status for the code in TDD, indicating its progress.
- A visual representation of code quality.
- The cycle of writing failing tests (Red), making them pass (Green), and then improving the code without changing its behavior (Refactor).
- The stages a developer goes through when debugging code.
The "Red-Green-Refactor" cycle is fundamental to Test-Driven Development (TDD). It involves writing failing tests (Red), making them pass (Green), and then improving the code without changing its behavior (Refactor). This iterative process ensures code reliability and maintainability.
Which key combination is commonly used to open Browser Developer Tools in most browsers?
- Alt + D
- Ctrl + B
- Ctrl + Shift + I
- F12
In most browsers, the common key combination to open Browser Developer Tools is Ctrl + Shift + I. This shortcut allows developers to quickly access the tools for debugging and inspecting web pages.
What is the difference between structured and unstructured logging?
- Structured logging is only suitable for large-scale applications, while unstructured logging is more flexible for small projects.
- Structured logging is suitable for backend systems, while unstructured logging is preferred for frontend development.
- Structured logging provides well-defined formats for log entries, making them machine-readable and easily searchable. Unstructured logging, on the other hand, lacks a predefined format, making it harder to analyze automatically.
- Structured logging uses a hierarchical format, while unstructured logging uses a flat format.
Structured logging introduces a consistent format to log entries, aiding in automated analysis and troubleshooting. Unstructured logging, by contrast, lacks a standardized format, making it less suitable for automated processing.
Which server-side language is known for its simplicity and readability, often used for web development alongside frameworks like Django and Flask?
- Java
- PHP
- Python
- Ruby
Python is known for its simplicity and readability, making it a popular choice for server-side web development. It is often used with frameworks like Django and Flask.
RESTful APIs follow the principle of _______ over configuration.
- Configuration
- Convention
- Simplicity
- Standardization
RESTful APIs follow the principle of Convention over Configuration (CoC). This means that developers only need to specify unconventional aspects of the application. Conventions are predefined rules that simplify development and promote consistency.
Query optimization techniques can vary significantly depending on the _______ model used by the database system.
- Concurrency
- Data
- Query language
- Storage
Query optimization techniques can vary significantly depending on the query language model used by the database system. Different query languages may have distinct optimization strategies, affecting the overall performance of queries.
_______ allows developers to create and maintain documentation for their projects, making it easier for team members to understand the codebase.
- Code Linting
- Continuous Integration (CI)
- Documentation Generator
- Version Control System (VCS)
Documentation Generator allows developers to create and maintain documentation for their projects, making it easier for team members to understand the codebase. Clear documentation is crucial for code maintainability and knowledge transfer.