How to debounce high-frequency events in JavaScript
Posted inJavaScript

How to debounce high-frequency events in JavaScript

Optimizing debounce in JavaScript applications focuses on enhancing performance and managing memory efficiently. Key strategies include cleaning up event listeners, using mutable state for closures, and centralizing event handling. Implementing debounce with async operations and integrating with requestAnimationFrame can further improve responsiveness and user experience.
Python Coding Kit
Posted inBooks

Python Coding Kit

If you've got a curious kid who's itching to learn coding but rolls their eyes at boring tutorials, this Python book is an absolute game-changer! I wish this existed when I was learning to code. Instead of dry lessons that...
How to understand and use the asyncio event loop in Python
Posted inPython

How to understand and use the asyncio event loop in Python

Asyncio tasks enable responsive Python applications by running long operations without blocking the event loop. Key techniques include concurrent network requests with aiohttp, task cancellation handling, integrating with GUI loops, background task management, and controlling concurrency using semaphores for resource limits.
Flask Testing: Unit Testing and Test Client
Posted inPython

Flask Testing: Unit Testing and Test Client

Best practices for testing Flask applications include writing single-responsibility tests, using meaningful assertions to verify JSON and HTML content, implementing parameterized tests with pytest, applying mocking to isolate external dependencies, and integrating CI tools for automated test execution and consistent code quality.
Big Fat Notebook
Posted inBooks

Big Fat Notebook

Okay, so my 12-year-old was showing zero interest in coding until this chunky purple book landed on our kitchen table. Now? I can't get the kid off the computer—but in a good way!Everything You Need to Ace Computer Science...
How to create a basic HTTP server in Node.js
Posted inJavaScript

How to create a basic HTTP server in Node.js

Efficient Node.js HTTP servers require managing request and response streams with proper backpressure to prevent memory leaks and stalled connections. Key aspects include flow control, header management, caching, CORS, logging, rate limiting, graceful degradation, and integrating WebSockets for real-time communication.
How to apply Fourier transforms using scipy.fftpack in Python
Posted inPython

How to apply Fourier transforms using scipy.fftpack in Python

Fourier transform results consist of complex arrays encoding magnitude and phase for frequency bins. Magnitude reveals dominant frequencies, while phase relates to signal timing. Frequency resolution depends on sampling rate and sample count. Techniques like Welch’s method improve spectral estimates for noisy signals.
Drawing Graphics and Shapes with Pygame
Posted inPython

Drawing Graphics and Shapes with Pygame

Optimize Pygame performance by controlling frame rates with pygame.time.Clock(), limiting CPU usage, and ensuring consistent gameplay. Implement "dirty rectangles" for efficient redrawing, pre-render static elements, and use sprite groups for better organization and rendering speed. Manage transparency wisely and avoid resource creation in the game loop for enhanced efficiency.