Explore the foundations of tokenization in modern language models through the lens of information theory and compression. Understand how subword vocabularies are constructed, how entropy shapes token distributions, and the theoretical limits of tokenization strategies.

A hands-on, step-by-step case study guiding learners through the process of cleaning and exploring a real-world e-commerce transactions dataset using pandas, matplotlib, and seaborn. The course emphasizes linear, notebook-style code execution without function definitions, focusing on practical data wrangling and visualization skills.

A practical, in-depth course on how transactions are managed internally in Spring, focusing on real backend scenarios, internal flows, and integration with JDBC, JPA, and Hibernate. Learn how Spring starts, commits, and rolls back transactions, and how these processes affect real-world applications.

Build a fully functional console-based Unit Converter Application in Java, step by step. Learn core Java concepts by implementing a real-world utility that converts between temperature, weight, and distance units. Each chapter focuses on a specific part of the application, with practical examples, code explanations, and hands-on coding tasks.

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.

In the world of business, making decisions based on hard data rather than intuition can be the key to success. This course focuses on one crucial technique: analyzing A/B test data. The centerpiece of the course is a project where you'll conduct a detailed analysis of an A/B test. This project, which you can showcase in your CV, is hosted on Codefinity, allowing you to continually refine it and demonstrate your growing expertise.

Master the essentials of data visualization and reporting in R. Learn to create compelling graphics, perform exploratory data analysis, and communicate insights effectively using R's powerful tools.

Build dynamic interfaces using Vue.js and modern JavaScript. Render data, handle user interactions, structure components, and manage state in a clear and scalable way.

Master how to build reliable, type-safe forms in React using Zod. Learn to define validation schemas, integrate them into real React workflows, handle errors gracefully, support asynchronous rules, and work seamlessly with popular form libraries like React Hook Form and Formik.