我試圖安裝MATLAB的psychtoolbox-3和我收到此錯誤: $ sudo apt-get install matlab-psychtoolbox-3 Reading package lists... Done Building dependency tree Reading state information... Done E: Unable to locate package mat
static Mutex mutex = new Mutex (false, "oreilly.com OneAtATimeDemo");
static void Main()
{
// Wait a few seconds if contended, in case another instance
// of the program is still in the p