Posts
All the articles I've posted.
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How Google Changed Big Data: The Story of GFS, MapReduce, and Bigtable
In the early 2000s, Google faced a unique challenge: how to store, process, and query massive amounts of data across thousands of unreliable machines. The traditional systems of the time—designed for
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ecure Database Access in AWS Using SSH Tunneling
Accessing databases located in private subnets within AWS Virtual Private Clouds (VPCs) is a common requirement in enterprise architectures. To ensure secure connectivity without exposing the database
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Did Early Personal Computers Really Have a CPU? A Look at the von Neumann Architecture
When we think of a personal computer (PC), we typically imagine a processor, memory, a keyboard, and a display. But a deeper question often goes unasked: Did all early personal computers actually
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Mastering the Linux find Command: A Practical Introduction
When working with Linux, one of the most powerful tools at your disposal is the find command. Whether you're managing a personal machine or maintaining a production server, being able to locate files
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The Origin and Evolution of the DataFrame
When working with data today—whether in Python, R, or distributed computing platforms like Spark—one of the most commonly used structures is the DataFrame . But where did it come from? This post
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Understanding ORM: Bridging the Gap Between Objects and Relational Databases
In modern software development, working with databases is a fundamental requirement. Most applications need to persist, retrieve, and manipulate data stored in relational databases such as PostgreSQL,
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Python Decorators: What They Are, How They Work, and Why C Doesn't Have Them
In Python, decorators are a powerful feature for applying common logic to multiple functions without duplicating code. They allow you to extend or modify the behavior of functions, methods, or classes
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Understanding findOne and findOneAndUpdate in Mongoose: Key Differences and Practical Usage
When working with MongoDB through Mongoose in Node.js, developers frequently encounter two essential methods: findOne and findOneAndUpdate . Both methods perform document lookups, but they serve