Yoosuf Ahamed

@CodeByYuus

Turning ideas into code and data into insights.

Colombo, Sri LankaJoined November 2025

About

Data enthusiast and software developer exploring web development, machine learning, and tech innovations. I share project insights, coding experiments, and practical approaches to solving real-world problems.

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Yoosuf Ahamed's blogs

YuusVisionyuusvision.hashnode.dev5 posts

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YAYoosuf Ahamedyuusvision.hashnode.devJun 14 · 7 min read

The 80% Reality of Data Science: Why Data Cleaning Dominates Professional Workflows

The Dirty Secret of Data Science If you’re new to machine learning, you might imagine a data scientist’s day spent optimizing hyperparameters, launching neural networks, and celebrating high model acc

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YAYoosuf Ahamedyuusvision.hashnode.devDec 26, 2025 · 3 min read

Why Environment Variables Exist (.env Files Explained)

Level 0: Basics Before we talk about hacking and security, let’s look at the name itself: Environment Variable. You already know what a variable is. In Python, you say x = 10. The code knows that x holds the value 10. But what is the Environment? The...

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YAYoosuf Ahamedyuusvision.hashnode.devDec 18, 2025 · 3 min read

How Dependency Conflicts Break Group Projects 💥

The Horror Story You send your code to your teammate. They run it. Error: ModuleNotFoundError: No module named ‘Pandas’ They panic and install Pandas. They rerun it. They installed a different Pandas version. The method you used no longer exists, or ...

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YAYoosuf Ahamedyuusvision.hashnode.devDec 16, 2025 · 4 min read

Why “It Works on My Laptop” Is a Real Engineering Problem

“It works on my Laptop” is not a joke. It is a symptom of poor engineering practices and costs time, money, and trust. Imagine this: it's 2.00 AM before a final group project submission. You have been coding on Windows, and your teammate is on a Mac....

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YAYoosuf Ahamedyuusvision.hashnode.devDec 5, 2025 · 6 min read

Learn Web Scraping with Python: Build Your Own Datasets from Scratch

The Problem As a data science student, I often hit a wall: I have a question, but I don’t have the data. In most practicals and tutorials, we are usually given clean .csv files, like the famous iris.csv or titanic.csv datasets. But in the real world,...

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Yoosuf Ahamed

About

Available for

Yoosuf Ahamed's blogs

Recently published

The 80% Reality of Data Science: Why Data Cleaning Dominates Professional Workflows

Why Environment Variables Exist (.env Files Explained)

How Dependency Conflicts Break Group Projects 💥

Why “It Works on My Laptop” Is a Real Engineering Problem

Learn Web Scraping with Python: Build Your Own Datasets from Scratch

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Yoosuf Ahamed

About

Available for

Yoosuf Ahamed's blogs

Recently published

The 80% Reality of Data Science: Why Data Cleaning Dominates Professional Workflows

Why Environment Variables Exist (.env Files Explained)

How Dependency Conflicts Break Group Projects 💥

Why “It Works on My Laptop” Is a Real Engineering Problem

Learn Web Scraping with Python: Build Your Own Datasets from Scratch