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清空文件内容命令$ echo "" >log.log> 是重写，覆盖式>>是尾部追加 阅读全文
posted @ 2014-05-28 17:15
一天不进步，就是退步
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ref：http://bash.cyberciti.biz/guide/Getting_User_Input_Via_KeyboardYou can accept input from the keyboard and assign an input value to a user defined ... 阅读全文
posted @ 2014-05-28 15:33
一天不进步，就是退步
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There are two types of bash for loops available. One using the “in” keyword with list of values, another using the C programming like syntax. This a... 阅读全文
posted @ 2014-05-28 15:08
一天不进步，就是退步
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byEugen ParaschivonMay 23, 2014inHttpClienthttp://www.baeldung.com/httpclient-multipart-upload1. OverviewIn this tutorial we will illustrate how to do... 阅读全文
posted @ 2014-05-28 14:14
一天不进步，就是退步
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One of the nice features of Java language is that it provides you the opportunity to execute native system commands and in this tutorial we will see h... 阅读全文
posted @ 2014-05-28 11:58
一天不进步，就是退步
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