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.
Portland Welcomes WordCamp US 2025: A Community Gathering
Posted inCoding Tips

Portland Welcomes WordCamp US 2025: A Community Gathering

A full house of attendees gathered in Portland, Oregon, for WordCamp US 2025, with thousands more tuning in online. Over four days, the flagship WordPress event brought together contributors, innovators, and community members for collaboration, inspiration, and discovery. WordPress is so unique because we’re not just a product; we’re a movement. Matt Mullenweg, WordPress Cofounder […]
How to use addEventListener with options in JavaScript
Posted inJavaScript

How to use addEventListener with options in JavaScript

Understanding the event listener options object is vital for effective event management in JavaScript. Browser support varies, with older versions lacking full implementation. Key considerations include feature detection, proper reference usage for removeEventListener, and the implications of passive listeners. Testing across environments ensures consistent behavior.
How to use datetime.time for managing time-only values in Python
Posted inPython

How to use datetime.time for managing time-only values in Python

Comparing time values that span midnight can lead to misleading results. Using total seconds since midnight allows for accurate comparisons and calculations. Functions like `is_time_later` and `time_difference` handle time logic across day boundaries effectively. Formatting and parsing time objects facilitate user input and display needs.
Design Patterns
Posted inBooks

Design Patterns

If you're a software developer who's serious about leveling up your object-oriented programming skills, the "Gang of Four" Design Patterns book is practically a rite of passage. I remember the first time I cracked this open – it was like...
How to use closures inside loops in JavaScript
Posted inJavaScript

How to use closures inside loops in JavaScript

Master JavaScript closures, loops, and asynchronous programming to avoid common pitfalls. Understand how closures capture loop variables and explore solutions like IIFE, `let`, `forEach`, `map`, and `async/await`. Enhance code reliability, readability, and performance while ensuring robust testing with frameworks like Jest and Mocha.
How to crop, resize and flip images with Pillow in Python
Posted inPython

How to crop, resize and flip images with Pillow in Python

Python's Pillow library offers the transpose() method for lossless image flipping and 90-degree rotations. Use Image.FLIP_LEFT_RIGHT for horizontal flips and Image.ROTATE_90 for rotations. This fast, efficient operation is ideal for composition correction and data augmentation.