Learn basic to master

Free, step-by-step courses written for freshers. Every topic in order, nothing skipped, with interactive diagrams that show what the code really does. Your progress is saved in this browser.

Available

C# Programming

Learn C# from your very first line of code to advanced, high-performance .NET. Every topic in order, with interactive diagrams that show what your code really does.

60 lessons ready · 60 topics planned

0 of 60 completed

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Data Structures & Algorithms

Arrays, linked lists, trees, graphs, sorting, searching and dynamic programming, from Big-O basics to master-level structures. Every algorithm explained with step-by-step visuals and C# code.

50 lessons ready · 50 topics planned

0 of 50 completed

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BIM Math

The maths behind 3D and BIM software: coordinates, vectors, lines, planes, transforms, rotations and solids, up to clash detection and georeferencing. Every idea drawn interactively and coded in C#.

44 lessons ready · 44 topics planned

0 of 44 completed

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Query, change and design databases with T-SQL, from your first SELECT to indexes, execution plans and transactions. Every query runs against one sample database, with interactive diagrams of what SQL Server does.

54 lessons ready · 54 topics planned

0 of 54 completed

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WPF & MVVM

Build Windows desktop apps with XAML, data binding, commands and the MVVM pattern.