Virtualbox和VMware给我努力学习OpenGL带来了困难。我有一个Linux虚拟机(Lubuntu12.10),这是我在运行程序时遇到的错误:Unable to create OpenGL contextOpenGL Warning: glFlushVertexArrayRangeNV not found in mesa tableOpenGL Warning: glCombinerInputNV not found
这篇文章来自著名的《向你学习哈斯克尔》一书的第三章。下面的代码解释了我的问题和困惑:head' :: [a] -> ahead' (x:_) = x
-- It is my understanding that [3] is the same as 3:[]. Why do they don't work the sa