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The Maximum Number of Vowels in a Substring of Given Length problem from LeetCode 75 is a common coding interview question that tests your understanding of sliding window techniques, string traversal and efficient counting. The task is to find the maximum number of vowels in any substring of a given length k in a string … Read more
The Container With Most Water problem from LeetCode 75 is a classic coding interview question that tests your understanding of two-pointer techniques, greedy strategies and area calculation logic. At first glance, the problem seems simple: given a list of heights, find the two lines that together with the x-axis form a container that holds the … Read more
The Max Number of K-Sum Pairs problem from LeetCode 75 is a common interview question that tests your understanding of sorting, two-pointer techniques, and pair sum calculations. The challenge is simple to describe: given an array of numbers and a target sum k, determine the maximum number of pairs whose sum equals k. However, solving … Read more
When working with scientific computing, mathematics, data analysis or optimization in Python, the SciPy library is one of the most powerful tools you can use. Built on top of NumPy, SciPy extends its functionality with specialized modules for linear algebra, optimization, signal processing, integration, interpolation and more. This SciPy Cheatsheet serves as a quick reference … Read more
When it comes to deep learning frameworks, two names dominate the field: TensorFlow and PyTorch. While TensorFlow has been around longer, PyTorch has quickly gained popularity due to its flexibility, dynamic computation graph and Pythonic style. Researchers, developers, and data scientists across the globe use PyTorch for everything from computer vision to natural language processing. … Read more
If you are starting your journey in machine learning or deep learning, you will likely come across TensorFlow. Built by Google, TensorFlow is one of the most popular open-source libraries for building and deploying machine learning models. From powering image recognition systems to natural language processing models, TensorFlow is the go-to framework for developers, researchers … Read more
Machine learning (ML) has become one of the most sought-after skills in the modern tech landscape, driving innovation in AI, data science, finance, healthcare, robotics and beyond. For learners who want to go beyond surface-level tutorials, the Applied Machine Learning (CS 5785) course from Cornell Tech stands out as a comprehensive, rigorous, and practical resource. … Read more
August 23, 2025 by Vanita.ai Natural Language Processing (NLP) powers applications like chatbots, translation systems, sentiment analysis, and large language models (LLMs). But before machines can understand text, it must be cleaned, structured and normalized. This is where text preprocessing comes in. Think of preprocessing as preparing raw ingredients before cooking without it, even the … Read more
August 23, 2025 by Vanita.ai In today’s world, data is growing faster than ever, and charts are no longer just static pictures in reports, they’re interactive stories that drive decisions. Whether you’re analyzing business trends, visualizing AI model outputs or preparing a dashboard for executives, the way you present data can make or break your … Read more
In the world of data science and machine learning, visualization is the bridge between raw numbers and meaningful insights. Among Python’s visualization tools, Matplotlib stands as the most widely used and versatile library. From quick exploratory data analysis plots to highly customized publication-ready graphs, Matplotlib provides the flexibility to do it all. This Matplotlib Cheatsheet … Read more
If you’re working in machine learning with Python, Scikit-learn (sklearn) is one of the most powerful and beginner-friendly libraries you’ll ever use. It provides tools for data preprocessing, model selection, evaluation and deployment. This Scikit-learn cheatsheet is your one-stop guide, covering everything from the basics to advanced techniques. Bookmark it and you’ll never get stuck … Read more