我正在尝试在Windows8上安装Threadscope,以便遵循Haskell -book中的并行和并发编程。cabal: Error: some packages failed to install:ExitFailure 1
gtk-0.12.5.0 depends on pango-0.12.5.0 which failed to i
在Swift 3中,使用GCD已改为DispatchGroup(),我正在尝试在我的代码中使用它。它是这样的:func checkSpeed() // call other functions and perform task to download file from link
nMbps = speedOfDo