Code Snippets Library
A collection of useful, modern, and community-contributed code snippets.
JavaScript Debounce Function for Performance Optimization
This JavaScript snippet implements a versatile `debounce` function, crucial for optimizing performance in web applications. It limits the rate at which a function can fire, preventing excessive calls during rapid events like typing, scrolling, or window resizing. The function executes only after a specified `wait` period has passed without further invocations, with an optional `immediate` flag to trigger on the leading edge.
Language: javascript
Published: July 25, 2025
Gemini Test for a Simple JavaScript Function
This Gemini test suite verifies a basic JavaScript function that adds two numbers. It uses assertions to check for correct results.
Language: javascript
Published: July 25, 2025
Revived Vulnerable PHP User Registration
This outdated PHP script handles user registration. It demonstrates several vulnerabilities common in early web applications.
Language: php
Published: July 25, 2025
List Comprehensions Made Easy (Python)
This snippet demonstrates list comprehension in Python, a concise way to create lists. It generates a list of squares from a range of numbers.
Language: python
Published: July 25, 2025
Python JSON Data Handling Example
This Python snippet provides essential functions for handling JSON (JavaScript Object Notation) data. It demonstrates how to parse a JSON string into a Python dictionary using `json.loads()` and how to serialize a Python dictionary back into a human-readable JSON string using `json.dumps()` with indentation. It includes basic error handling for robust data processing.
Language: python
Published: July 24, 2025
How to Verify Element Presence in a JavaScript Array
This snippet checks if an array contains a specific element. It returns true if found, false otherwise.
Language: javasecript
Published: July 24, 2025
Python List Comprehensions: A Quick Guide
This snippet demonstrates Python's list comprehension to efficiently generate a list of squares. It's a concise and readable way to perform list transformations.
Language: python
Published: July 24, 2025
This snippet demonstrates list comprehension in Python, a concise way to create lists.
This snippet demonstrates list comprehension in Python, a concise way to create lists. It generates a list of squares from a range of numbers.
Language: python
Published: July 24, 2025
This snippet demonstrates Python's list comprehension for efficient filtering and transformation of lists.
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Language: python
Published: July 24, 2025