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首先推荐三个十分有趣的网站: http://www.programcreek.com/simple-java/ http://tutorials.jenkov.com/ http://www.meetup.com/ Java Reflection makes it possible to inspe 阅读全文
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#1 20160127 How to get rid of a seemingly boring task? There must be a good solution! #2 20160128 Today I create an account on Stack Overflow, and 阅读全文
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Methods ProcessBuilder.start() 和 Runtime.exec() 方法都被用来创建一个操作系统进程(执行命令行操作),并返回 Process 子类的一个实例,该实例可用来控制进程状态并获得相关信息。 The Runtime.exec(String) method tak 阅读全文
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ObjectAnobjectis a type of classthat can have no more than one instance, known in object-oriented design as asingleton.Instead of creating an instance... 阅读全文
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A computer program is said to learn from experience E with respect to some task T and some performance measure P, if its performance on T, as measured... 阅读全文
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Kerberos是一种安全认证协议,意在提供more secure authenticationsimplified management of passwordconvenience of single sign onKerberos的基本结构Kerberos Client: 申请服务的一方Ker... 阅读全文
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Kerberos客户端常用命令包括kinit,klist,kdestroy, andkpasswd,用户使用这些命令管理自己的 ticket。此外,每台运行Kerberos的机器应该都配置/etc/krb5.conf,At a minimum, it should define adefault_r... 阅读全文