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Explore tracks, courses, and projects — all in one place. Learn at your pace and build real-world skills.
String Conversion
Transform a string by removing vowels and formatting the remaining letters.
React Basics
A quiz designed to assess understanding of fundamental React concepts, including state management, hooks, component behavior, and best practices for beginners.
Spring AdvancedNew
A comprehensive, advanced learning track designed for backend engineers aiming to master production-grade distributed systems with Spring. This track focuses on microservices architecture, resilience, observability, advanced testing, and real-world system design using Java and Spring technologies. It is tailored for professionals seeking deep expertise in Spring's advanced capabilities for robust, scalable, and secure backend solutions.
SQL Optimization and Query Features
Begin an exciting journey through SQL with Advanced Techniques in SQL. Learn about the important ACID properties that help keep data accurate in database transactions. Discover advanced ways to optimize your queries to improve database performance. Explore special SQL features like window functions, triggers, Data Control Language (DCL), and NoSQL databases. This will help you handle modern database management confidently and effectively.
Analyzing Social Influences on High School PerformanceNew
Explore how romantic relationships may impact academic performance differently for male and female students using statistical analysis and visualization.
Dorm Room Availability Check
Count how many dormitory rooms can accommodate two new residents.
TypeScript BasicsNew
A beginner-level quiz covering the fundamentals of TypeScript, including its differences from JavaScript, static typing, variable declarations, basic types, interfaces, functions, and configuration.
Data Analyst with Python
Covers the core skills required for data analysis using Python. Introduces foundational programming concepts and progresses to applied data analysis workflows, including numerical computing, data manipulation, statistics, exploratory data analysis, hypothesis testing, A/B testing.
Mastering Java Application ConfigurationNew
Explore the essentials of Java properties and configuration management. This course guides you through the practical use of properties files, system properties, environment variables, and advanced configuration techniques for robust Java applications.
Predicting Data Scientist SalariesNew
Build a complete data science workflow to predict dynamic taxi fares using linear regression. Explore, clean, and analyze real-world ride and weather data, engineer features from timestamps, and interpret model results to understand the impact of weather conditions, time of day, and surge pricing mechanisms.
Restore Balance to the Triples
Identify the missing triple of integers to balance three arrays to zero.
Docker Basics
A beginner-level quiz covering fundamental concepts and commands in Docker, including images, containers, Dockerfiles, commands, port mapping, volumes, and differences between key Dockerfile instructions.