摘要：
The code for this tutorial can be downloaded here:threadworms.pyor fromGitHub. This code works withPython 3 or Python 2, and you needPygameinstalled a... 阅读全文
摘要：
//Situation System prompts that:"wget: unable to resolve host address".//Analysis Unable to resolve host address means the problem of DNS（Domain Nam... 阅读全文
摘要：
//SituationSystem prompts"xxx is not in the sudoers file"(xxx equals the user name)while executing command "sudo":sudo-iPassword:xxx isnotinthe sudoer... 阅读全文