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Learn to Use 3D Rotation Matrix in Low Level C++ Graphic Applications

Our screens are 2D dimensional planes and consists of pixels in X and Y directions. How we display a 3D object in this 2D plane ? 3D objects in our 2D screens are projection of 3D coordinates by using mathematical calculations. In 3D operations, i.e. in 3D graphics, 3D robotics, 3D mechanics; we use matrix forms which are multi dimensional arrays in C++. Generally they are 3 dimensional arrays…
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Discover Switch Statements in C++

Another one of the most used logical operators in C++ is switch() statement. A switch statement allows you to check variable and you can branch to different cases in accordance with it’s value. Each cases can be defined for different values, and the variable being switched on is checked for each case.When the switch expression is evaluated once, the value of the given expression is…
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Learn C++ With Quickly Testing Qt Desktop Application with Approval Tests by Clare Macrae (CPPCon 2020) Video

This video will discuss the problems and possible sources of error that are unique to the code, which the Qt cross-platform graphical user interface library uses, and then explain how to defend against them. The video will also briefly discuss some other resources that can help to inspect and maintain the Qt code, which in turn will boost testability. Audience will discover some simple practical…
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