07 2014 档案

Error prompt:“wget: unable to resolve host address”---Solution
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
posted @ 2014-07-09 10:11 isEacon 阅读(305) 评论(0) 推荐(0)
Error prompt:“xxx is not in the sudoers file”----Solution
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
posted @ 2014-07-09 10:08 isEacon 阅读(216) 评论(0) 推荐(0)
J2EE初探
摘要：J2EE概述3层结构4层模型13项核心技术J2EE容器J2EE的优势与缺陷J2EE概述 Java2平台有3个版本，分别是适用于小型设备和智能卡的Java2平台Micro版（Java2PlatformMicroEdition，J2ME）、适用于桌面系统的Java2平台标准版（Java2Platfor... 阅读全文
posted @ 2014-07-07 15:22 isEacon 阅读(672) 评论(0) 推荐(0)