Funso Oyedele
@funso_dev

Founder @UiltraHQ • Software Engineer • Building in public, learning & sharing.

 Lagos, Nigeria
Joined September 2010
43 Photos and videos
Your program needs a way to remember what it was doing. That’s what the call stack helps with. In this episode, I break it down with simple examples, Python code, recursion, and a few real-world analogies. Read the full article 👇
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Back to the Basics #8: The Call Stack — How Your Computer Remembers What It Was Doing

If you're learning programming, you've probably written code like this: It looks simple. But have you ever wondered: What actually happens inside the computer when one function calls another
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If recursion has ever felt confusing, this article breaks it down with simple analogies, clear code examples, and zero jargon. Read here 👇
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Back to the Basics #7: Recursion

One of the biggest moments in every programmer's journey is realizing that some problems become easier when a function asks itself for help. That idea is called recursion. At first, recursion feels
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We rarely implement sorting algorithms from scratch, but understanding them sharpens how we think about performance. My latest Back to the Basics article explores Selection Sort vs. Bubble Sort and why the fundamentals still matter.
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Back to the Basics #6: Selection Sort vs Bubble Sort — Your First Sorting Algorithms

If you've ever sorted your emails by date, arranged your contacts alphabetically, or ranked your favorite songs by play count, you've already benefited from sorting algorithms. As developers, sorting
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Back to the Basics #5: How Computer Memory Works (Arrays vs. Linked Lists)

If you've ever wondered how your computer stores data, understanding memory is the perfect place to start. Think of your computer's memory as a giant cabinet filled with numbered drawers. Every drawer
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Back to the Basics #4: Running Time & Big O Notation

Whenever we discuss software algorithms, we inevitably talk about running time. If you want to build scalable systems, you have to choose the most efficient approach, whether you are optimizing for
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Back to the Basics #3: Binary Search: The Algorithm That Finds Things Faster Than You Ever Could

Some algorithms are useful. Others fundamentally change how you think about solving problems. Binary Search belongs in the second category. Despite being one of the oldest algorithms in computer
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Back to the Basics #2: Why Algorithms Matter: Understanding Arrays, Sets, Ordered Arrays, and Faster

When people hear the word algorithm, they often imagine something highly mathematical or incredibly complex. In reality, an algorithm is much simpler than that. An algorithm is simply a sequence of

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Back to the Basics #1: Understanding Big O Notation

I've decided to go back to the fundamentals of Computer Science. With AI and modern frameworks evolving so quickly, it's easy to overlook the basics. But strong fundamentals are what help us write
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