Ray casting is a popular graphic rendering techniques in the 90s, used to render semi-3D worlds in many games. These repository contain demos for the ray-casting tutorials at permadi.com.

Joplin is a free, open source note taking and to-do application, which can handle a large number of notes organised into notebooks. The notes are searchable, can be copied, tagged and modified either ...

Abstract: I welcome you to the fourth issue of the IEEE Communications Surveys and Tutorials in 2021. This issue includes 23 papers covering different aspects of communication networks. In particular, ...