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Modified Sum Calculation
Sum integers based on their comparison to a specified threshold.
Java Basics
A beginner-level quiz covering fundamental Java concepts such as variable declaration, data types, operators, control flow, loops, methods, and arrays. The quiz includes a mix of multiple choice, code analysis, and code completion questions to assess understanding of Java syntax and basic programming logic.
Deep Learning Engineer
Transform your machine learning expertise into advanced deep learning engineering skills. Build, train, and optimize complex neural networks, mastering modern techniques for computer vision, NLP, and generative AI using Python and industry-standard frameworks.
AI for Office ProductivityNew
Learn how to turn Claude into a practical workspace for everyday productivity. This course shows how to work with documents, create strong AI briefs, transform meeting transcripts into useful outputs, build repeatable Claude routines, and design a personal Claude OS. You will also explore plugins, MCP setup, dashboards, cheat sheets, and customization workflows that make Claude more useful for real work.
Building Image Pixelizer ScriptNew
A hands-on, terminal-based Python project course guiding you through building an advanced image pixelizer tool from scratch. This updated version introduces new features such as grayscale conversion and batch processing, culminating in a robust CLI application.
Elements Greater Than k
Return the count of integers in an array that exceed a given value.
C# Basics
A beginner-level quiz covering fundamental concepts of C#, including variables, data types, control structures, methods, arrays, classes, and objects.
Becoming a Product Analyst with PythonNew
This beginner-level track is designed to equip aspiring product analysts with essential analytics skills using Python. Learn the fundamentals of product analytics, cohort analysis, and A/B testing to analyze user behavior, measure product performance, and make data-driven decisions.
AI for Content CreationNew
Learn how to build a consistent personal or professional brand using modern AI tools. In this course, you'll explore the foundations of AI content creation, develop a distinctive writing style, create a visual identity, and produce AI-generated avatar videos. Along the way, you'll learn practical frameworks and workflows that help you create high-quality content faster while maintaining authenticity and brand consistency.
Urban Restaurant Market Structure and Cuisine DistributionNew
A hands-on project guiding learners through exploratory data analysis and visualization of a city's restaurant market using a real-world dataset. Students will clean data, analyze cuisine and price segments, compare cities, and uncover business opportunities in the HoReCa industry.
Counting Ordered Pairs
Count ordered pairs of positive integers that sum to a given integer n.
Excel Shortcuts
This quiz assesses knowledge of essential keyboard shortcuts in Microsoft Excel. Each question focuses on a specific shortcut, its function, or its effect within Excel. The quiz is designed for beginners to reinforce their understanding and speed up their workflow using keyboard shortcuts.