Ubuntu常用命令sudo apt－get insta-Ubuntu used the command sudo apt-get install

sometimes duplicates are added to sources.list file cause errors while using apt-get. code for checking duplicates in sources.list and remove them

Who this book is for This book is intended for software developers, researchers, and students who are already familiar with the basic concepts of OpenSceneGraph and can write simple programs with it. A basic knowledge of C++ programming is also exp