Technologies
Topic
Level
Type of lesson
Career tracks
track
Only for Ultimate
Web Development with C#
10 Courses
417 TasksBeginner
4.7
(3252)
track
Only for Ultimate
Python from Zero to Hero
6 Courses215 TasksBeginner
4.6
(11957)
track
Only for Ultimate
SQL from Zero to Hero
7 Courses249 TasksBeginner
4.7
(3459)
track
Only for Ultimate
Π‘++ Essentials
6 Courses124 TasksBeginner
4.3
(949)
track
Only for Ultimate
Game Development with Unity
4 Courses142 TasksBeginner
4.4
(188)
Courses & Projects
course
SQL Query Execution
Explore the internal workings of SQL query execution. This course demystifies what happens after you write a SELECT statement, covering parsing, planning, optimization, execution, and result delivery. Gain a deep understanding of the SQL engine's processes and how queries are transformed from text to results.
1 hour
12 chaptersBeginner
course
SQL for Data Analysis
A comprehensive beginner-friendly course designed to teach SQL from the ground up, focusing on practical data analysis skills. Through engaging explanations, real-world examples, and hands-on challenges, learners will master querying, transforming, and analyzing data using SQL.
2 hours 18 chaptersBeginner
1 STUDYING NOW
course
Security by Design
A beginner-friendly course introducing Security by Design principles for DevOps learners. Explore foundational security concepts, practical DevOps security patterns, and essential techniques to build secure systems from the ground up.
1 hour 12 chaptersBeginner
1 STUDYING NOW
course
Simulation and Monte Carlo Modeling with Python
Master the essentials of simulation and Monte Carlo modeling in Python. Learn to generate random samples, build uncertainty models, estimate risk, and simulate simple financial scenarios using practical code and hands-on exercises.
2 hours 14 chaptersIntermediate
course
Site Reliability Engineering
A beginner-friendly course introducing the core principles, practices, and real-world scenarios of Site Reliability Engineering. Designed for learners with foundational DevOps or system administration knowledge, this course explores the unique mindset, tools, and workflows that define SRE.
1 hour 11 chaptersBeginner
course
SortableJS Drag and Drop Interfaces with JavaScript
Learn to build modern drag and drop interfaces using SortableJS. The material covers everything from setting up simple sortable lists to creating advanced multi list layouts and Kanban boards.
1 hour 12 chaptersBeginner
course
Strings and Data Formats in Python
A beginner-friendly course focused on mastering string manipulation and handling various data formats in Python. Learn essential techniques for processing, formatting, and converting data, with hands-on practice and quizzes to reinforce your understanding.
1 hour 15 chaptersBeginner
1 STUDYING NOW
course
Subqueries in SQL
Master the art of writing and applying subqueries in SQL through real-world scenarios. This course covers the theory and practice of subqueries, including their use in SELECT, WHERE, and FROM clauses, as well as correlated subqueries. Each section features a unique dataset and practical challenges to reinforce your learning.
2 hours 18 chaptersBeginner
course
System Architecture and the DevOps Approach
A beginner-friendly course introducing foundational system architecture concepts, modern architectural patterns, and the influence of DevOps principles on design, scalability, automation, and deployment. Learn through clear explanations, practical examples, and interactive quizzes.
1 hour 11 chaptersBeginner
course
Tokenization and Information Theory
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.
2 hours 9 chaptersAdvanced
course
TypeScript Classes and OOP
Deepen your understanding of object-oriented programming with TypeScript by working with classes, encapsulation, interfaces, generics, and inheritance. Learn how to structure reusable components, enforce contracts, and design scalable class hierarchies.
2 hours 20 chaptersBeginner
course
TypeScript Essentials for React
Strengthen your React development skills by applying TypeScript to components, events, hooks, and async logic. Use the TypeScript features that matter most in real React applications to write safer, clearer, and more maintainable UI code. Build confidence with typed props, state, API calls, custom hooks, and advanced React patterns.
2 hours 24 chaptersBeginner
course
Web Accessibility Standards
Gain a clear understanding of the principles, standards, and legal frameworks that make the web accessible to all users. Explore global guidelines like WCAG and WAI ARIA, learn how assistive technologies interpret digital content, and identify common barriers that affect real users. Build the skills needed to evaluate and improve accessibility, creating digital experiences that are inclusive, compliant, and usable across diverse contexts.
2 hours 23 chaptersBeginner
course
Window Functions in SQL
Master the art of analyzing data with SQL window functions. This course guides you through the core concepts, syntax, and practical applications of window functions, empowering you to perform advanced analytics and reporting directly in SQL.
2 hours 22 chaptersBeginner
course
Working with Dates and Times in JavaScript
A complete, hands-on introduction to working with dates and times in JavaScript. This course covers everything from basic date creation and formatting to advanced concepts like time zones and modern libraries. Build the skills to handle dates accurately and confidently in any real-world web project.
2 hours 14 chaptersIntermediate
Sorry... We can't find
what you're looking for
Career tracks
track
Only for UltimateWeb Development with C#
10 Courses417 TasksBeginner
4.7
(3252)
track
Only for UltimatePython from Zero to Hero
6 Courses215 TasksBeginner
4.6
(11957)
track
Only for UltimateSQL from Zero to Hero
7 Courses249 TasksBeginner
4.7
(3459)
track
Only for UltimateΠ‘++ Essentials
6 Courses124 TasksBeginner
4.3
(949)
track
Only for UltimateGame Development with Unity
4 Courses142 TasksBeginner
4.4
(188)
track
Only for Ultimate
Web Development with C#
10 Courses417 Tasks 4.7
track
Only for Ultimate
Python from Zero to Hero
6 Courses215 Tasks 4.6
track
Only for Ultimate
SQL from Zero to Hero
7 Courses249 Tasks 4.7
track
Only for Ultimate
Π‘++ Essentials
6 Courses124 Tasks 4.3
track
Only for Ultimate
Game Development with Unity
4 Courses142 Tasks 4.4
Courses & Projects
Technologies
course
SQL Query Execution
Explore the internal workings of SQL query execution. This course demystifies what happens after you write a SELECT statement, covering parsing, planning, optimization, execution, and result delivery. Gain a deep understanding of the SQL engine's processes and how queries are transformed from text to results.
1 hour 12 chaptersBeginner
course
SQL for Data Analysis
A comprehensive beginner-friendly course designed to teach SQL from the ground up, focusing on practical data analysis skills. Through engaging explanations, real-world examples, and hands-on challenges, learners will master querying, transforming, and analyzing data using SQL.
2 hours 18 chaptersBeginner
1 STUDYING NOW
course
Security by Design
A beginner-friendly course introducing Security by Design principles for DevOps learners. Explore foundational security concepts, practical DevOps security patterns, and essential techniques to build secure systems from the ground up.
1 hour 12 chaptersBeginner
1 STUDYING NOW
course
Simulation and Monte Carlo Modeling with Python
Master the essentials of simulation and Monte Carlo modeling in Python. Learn to generate random samples, build uncertainty models, estimate risk, and simulate simple financial scenarios using practical code and hands-on exercises.
2 hours 14 chaptersIntermediate
course
Site Reliability Engineering
A beginner-friendly course introducing the core principles, practices, and real-world scenarios of Site Reliability Engineering. Designed for learners with foundational DevOps or system administration knowledge, this course explores the unique mindset, tools, and workflows that define SRE.
1 hour 11 chaptersBeginner
course
SortableJS Drag and Drop Interfaces with JavaScript
Learn to build modern drag and drop interfaces using SortableJS. The material covers everything from setting up simple sortable lists to creating advanced multi list layouts and Kanban boards.
1 hour 12 chaptersBeginner
course
Strings and Data Formats in Python
A beginner-friendly course focused on mastering string manipulation and handling various data formats in Python. Learn essential techniques for processing, formatting, and converting data, with hands-on practice and quizzes to reinforce your understanding.
1 hour 15 chaptersBeginner
1 STUDYING NOW
course
Subqueries in SQL
Master the art of writing and applying subqueries in SQL through real-world scenarios. This course covers the theory and practice of subqueries, including their use in SELECT, WHERE, and FROM clauses, as well as correlated subqueries. Each section features a unique dataset and practical challenges to reinforce your learning.
2 hours 18 chaptersBeginner
course
System Architecture and the DevOps Approach
A beginner-friendly course introducing foundational system architecture concepts, modern architectural patterns, and the influence of DevOps principles on design, scalability, automation, and deployment. Learn through clear explanations, practical examples, and interactive quizzes.
1 hour 11 chaptersBeginner
course
Tokenization and Information Theory
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.
2 hours 9 chaptersAdvanced
course
TypeScript Classes and OOP
Deepen your understanding of object-oriented programming with TypeScript by working with classes, encapsulation, interfaces, generics, and inheritance. Learn how to structure reusable components, enforce contracts, and design scalable class hierarchies.
2 hours 20 chaptersBeginner
course
TypeScript Essentials for React
Strengthen your React development skills by applying TypeScript to components, events, hooks, and async logic. Use the TypeScript features that matter most in real React applications to write safer, clearer, and more maintainable UI code. Build confidence with typed props, state, API calls, custom hooks, and advanced React patterns.
2 hours 24 chaptersBeginner
course
Web Accessibility Standards
Gain a clear understanding of the principles, standards, and legal frameworks that make the web accessible to all users. Explore global guidelines like WCAG and WAI ARIA, learn how assistive technologies interpret digital content, and identify common barriers that affect real users. Build the skills needed to evaluate and improve accessibility, creating digital experiences that are inclusive, compliant, and usable across diverse contexts.
2 hours 23 chaptersBeginner
course
Window Functions in SQL
Master the art of analyzing data with SQL window functions. This course guides you through the core concepts, syntax, and practical applications of window functions, empowering you to perform advanced analytics and reporting directly in SQL.
2 hours 22 chaptersBeginner
course
Working with Dates and Times in JavaScript
A complete, hands-on introduction to working with dates and times in JavaScript. This course covers everything from basic date creation and formatting to advanced concepts like time zones and modern libraries. Build the skills to handle dates accurately and confidently in any real-world web project.
2 hours 14 chaptersIntermediate
course
SQL Query Execution
Explore the internal workings of SQL query execution. This course demystifies what happens after you write a SELECT statement, covering parsing, planning, optimization, execution, and result delivery. Gain a deep understanding of the SQL engine's processes and how queries are transformed from text to results.
1 hour 12 chaptersBeginner
course
SQL for Data Analysis
A comprehensive beginner-friendly course designed to teach SQL from the ground up, focusing on practical data analysis skills. Through engaging explanations, real-world examples, and hands-on challenges, learners will master querying, transforming, and analyzing data using SQL.
2 hours 18 chaptersBeginner
1 STUDYING NOW
course
Security by Design
A beginner-friendly course introducing Security by Design principles for DevOps learners. Explore foundational security concepts, practical DevOps security patterns, and essential techniques to build secure systems from the ground up.
1 hour 12 chaptersBeginner
1 STUDYING NOW
course
Simulation and Monte Carlo Modeling with Python
Master the essentials of simulation and Monte Carlo modeling in Python. Learn to generate random samples, build uncertainty models, estimate risk, and simulate simple financial scenarios using practical code and hands-on exercises.
2 hours 14 chaptersIntermediate
course
Site Reliability Engineering
A beginner-friendly course introducing the core principles, practices, and real-world scenarios of Site Reliability Engineering. Designed for learners with foundational DevOps or system administration knowledge, this course explores the unique mindset, tools, and workflows that define SRE.
1 hour 11 chaptersBeginner
course
SortableJS Drag and Drop Interfaces with JavaScript
Learn to build modern drag and drop interfaces using SortableJS. The material covers everything from setting up simple sortable lists to creating advanced multi list layouts and Kanban boards.
1 hour 12 chaptersBeginner
course
Strings and Data Formats in Python
A beginner-friendly course focused on mastering string manipulation and handling various data formats in Python. Learn essential techniques for processing, formatting, and converting data, with hands-on practice and quizzes to reinforce your understanding.
1 hour 15 chaptersBeginner
1 STUDYING NOW
course
Subqueries in SQL
Master the art of writing and applying subqueries in SQL through real-world scenarios. This course covers the theory and practice of subqueries, including their use in SELECT, WHERE, and FROM clauses, as well as correlated subqueries. Each section features a unique dataset and practical challenges to reinforce your learning.
2 hours 18 chaptersBeginner
course
System Architecture and the DevOps Approach
A beginner-friendly course introducing foundational system architecture concepts, modern architectural patterns, and the influence of DevOps principles on design, scalability, automation, and deployment. Learn through clear explanations, practical examples, and interactive quizzes.
1 hour 11 chaptersBeginner
course
Tokenization and Information Theory
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.
2 hours 9 chaptersAdvanced
course
TypeScript Classes and OOP
Deepen your understanding of object-oriented programming with TypeScript by working with classes, encapsulation, interfaces, generics, and inheritance. Learn how to structure reusable components, enforce contracts, and design scalable class hierarchies.
2 hours 20 chaptersBeginner
course
TypeScript Essentials for React
Strengthen your React development skills by applying TypeScript to components, events, hooks, and async logic. Use the TypeScript features that matter most in real React applications to write safer, clearer, and more maintainable UI code. Build confidence with typed props, state, API calls, custom hooks, and advanced React patterns.
2 hours 24 chaptersBeginner
course
Web Accessibility Standards
Gain a clear understanding of the principles, standards, and legal frameworks that make the web accessible to all users. Explore global guidelines like WCAG and WAI ARIA, learn how assistive technologies interpret digital content, and identify common barriers that affect real users. Build the skills needed to evaluate and improve accessibility, creating digital experiences that are inclusive, compliant, and usable across diverse contexts.
2 hours 23 chaptersBeginner
course
Window Functions in SQL
Master the art of analyzing data with SQL window functions. This course guides you through the core concepts, syntax, and practical applications of window functions, empowering you to perform advanced analytics and reporting directly in SQL.
2 hours 22 chaptersBeginner
course
Working with Dates and Times in JavaScript
A complete, hands-on introduction to working with dates and times in JavaScript. This course covers everything from basic date creation and formatting to advanced concepts like time zones and modern libraries. Build the skills to handle dates accurately and confidently in any real-world web project.
2 hours 14 chaptersIntermediate
Sorry... We can't find
what you're looking for
