@nafisaalam

Why Shallow Copies Fail on Nested Data

Mar 2 · 5 min read · When working with nested data structures—lists of dictionaries, dictionaries of lists, trees of mutable objects—a shallow copy does not replicate state. It replicates only the top-level container. The

Assignment vs Copy in Python — The Bug That Looks Innocent

Feb 25 · 2 min read · Many production bugs don’t come from complex algorithms. They come from misunderstanding how variables work. Python’s behavior around assignment is simple — but not intuitive. Variables in Python are

3 Costly Django ORM Mistakes I Made as a Beginner — and How I Fixed Them

Jul 16, 2025 · 5 min read · Mistake #1: Django QuerySet Filtering Doesn’t Work on Dynamic Fields I ran into a small but surprising behavior while working with Django QuerySets. You can't filter on dynamic fields — even if you attach them to your queryset objects. Here's what ...

Python Project : Text to HTML Converter

Aug 5, 2022 · 4 min read · We will be converting text to HTML with pytextile module. The input text follows a certain syntax that generates HTML code with this module. Here, I will show how - ordered list, unordered list, image link, bold text, & sign, normal text works for t...

Build Your Own Voice Recorder and Audio Player in Python

Mar 27, 2022 · 5 min read · Building your own voice recorder can give you a lot of advantages. You can custom your generated audio clips as per what channel, subtype, frequency is needed for the audio. When we are working with raw data in Machine Learning, we may need to custom...