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常用Linux命令详解(持续更新) - 更多技术 - 清泛网 - 专注C/C++及内核技术

...l_history.TMP .tcshrc anaconda-ks.cfg 显示每个文件详细的信息(括文件类型、权限、大小、所属组、创建时间等)(ls -l 等同于 ll 命令) [root@KEDACOM ~]# ls -l total 64 -rw-r--r-- 1 root root 0 Jun 29 17:50 NRU_CMU_DISK_SIZE_NOTIFY2008 -rw-r--r-- 1...
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What is the difference between Tomcat, JBoss and Glassfish?

...only the servlets and JSP specification. Glassfish and JBoss are full Java EE servers (including stuff like EJB, JMS, ...), with Glassfish being the reference implementation of the latest Java EE 6 stack, but JBoss in 2010 was not fully supporting it yet. ...
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Java EE web development, where do I start and what skills do I need? [closed]

... (Updated Mar 2020) First of all, "Java EE" has since Sep 2019 been renamed to "Jakarta EE", starting with version 8. Historically, there was also the term "J2EE" which covered versions 1.2 until 1.4. The "Java EE" covered versions 5 until 8. See also Java Platform...
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企业级负载平衡简介 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...备将这些请求分发到各个服务器。该设备会根据其内部所含的请求分发逻辑来决定如何对这些请求进行分发,以避免出现单个服务器过载的情况。这些用来对请求进行分发的设备实际上就是负载平衡服务器。 当然,我们不会...
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JAVA敏捷开发环境搭建 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...jetty启动调试class、jsp。之前看过很多公司都通过打成war发布到集成环境再调试。集成环境大家都去集成容易引起版本混乱。即使不发布到集成环境,在本地就算修改个小的class文件也要重启war有点浪费时间。最好就是利用tom...
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TCP 的那些事儿(上) - 更多技术 - 清泛网 - 专注C/C++及内核技术

...砍成两篇。 上篇中,主要向你介绍TCP协议的定义和丢时的重传机制。 下篇中,重点介绍TCP的流迭、拥塞处理。 废话少说,首先,我们需要知道TCP在网络OSI的七层模型中的第四层——Transport层,IP在第三层——Network层,AR...
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服务器保持大量TIME_WAIT和CLOSE_WAIT的解决方法 - C/C++ - 清泛网 - 专注C/C++及内核技术

...况比较常见,一些爬虫服务器或者WEB服务器(如果网管在安装的时候没有做内核参数优化的话)上经常会遇到这个问题,这个问题是怎么产生的呢? 从 上面的示意图可以看得出来,TIME_WAIT是主动关闭连接的一方保持的状态,对...
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OceanBase使用libeasy原理源码分析:客户端 - 数据库(内核) - 清泛网 - 专...

...点 easy_list_t send_queue_list; // 当session的返回时处理响应的回调函数,对于OceanBase 0.4的mergeserver来说,实际上是int ObMergeCallback::sql_process(easy_request_t* r) // 将响应事件进mergeserver的finish queue队列 easy_io_p...
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How to “git show” a merge commit with combined diff output even when every changed file agrees with

...sh for, though; merging a branch with a one-line change that was forked three months ago will still have a huge diff versus the mainline, and so such a full diff would be almost completely unhelpful. That's why git doesn't show it. ...
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What is the difference between Eclipse for Java (EE) Developers and Eclipse Classic?

What is the difference between Eclipse for Java (EE) Developers and Eclipse Classic? 1 Answer ...