<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/flowcloudz</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; flowcloudz]]></copyright><item><title><![CDATA[区块链 Hyperledger Fabric 1.0 从零开始]]></title><link>https://blog.youkuaiyun.com/flowcloudz/article/details/88133075</link><guid>https://blog.youkuaiyun.com/flowcloudz/article/details/88133075</guid><author>flowcloudz</author><pubDate>Mon, 04 Mar 2019 19:18:49 +0800</pubDate><description><![CDATA[http://www.cnblogs.com/aberic/p/7527831.html
]]></description><category></category></item><item><title><![CDATA[ORA-00001: 违反唯一约束条件 (XZSP.SYS_C0022988)]]></title><link>https://blog.youkuaiyun.com/flowcloudz/article/details/6165235</link><guid>https://blog.youkuaiyun.com/flowcloudz/article/details/6165235</guid><author>flowcloudz</author><pubDate>Wed, 26 Jan 2011 17:28:00 +0800</pubDate><description><![CDATA[<br />2011-01-26 17:08:23,650 [org.hibernate.util.JDBCExceptionReporter]-[WARN] SQL Error: 1, SQLState: 23000<br />2011-01-26 17:08:23,651 [org.hibernate.util.JDBCExceptionReporter]-[ERROR] ORA-00001: 违反唯一约束条件 (XZSP.SYS_C0022988)<br /> <br />搜索查找<br /> <br]]></description><category></category></item><item><title><![CDATA[多表条件更新字段值]]></title><link>https://blog.youkuaiyun.com/flowcloudz/article/details/6165044</link><guid>https://blog.youkuaiyun.com/flowcloudz/article/details/6165044</guid><author>flowcloudz</author><pubDate>Wed, 26 Jan 2011 16:10:00 +0800</pubDate><description><![CDATA[<br />update apply_three_business_record b set b.state_=9   WHERE b.id_=( select t.fapplyno from apply_head t  where t.fapplyno=b.id_ and t.fbusiid=20001 and to_char(t.freportdate,'yyyy-mm-dd')>='2010-12-25')]]></description><category></category></item><item><title><![CDATA[iis资源耗尽之解决]]></title><link>https://blog.youkuaiyun.com/flowcloudz/article/details/2783257</link><guid>https://blog.youkuaiyun.com/flowcloudz/article/details/2783257</guid><author>flowcloudz</author><pubDate>Thu, 07 Aug 2008 16:30:00 +0800</pubDate><description><![CDATA[在iis下有时会出现资源耗尽之类的报错信息,这是内存及CPU占用不能及时释放，从而导致服务器响应速度很慢,直至至停止工作.解决内存占用过多，可以做以下配置：  1、在IIS中对每个网站进行单独的应用程序池配置。即互相之间不影响。 2、在应用程序池上点右键选属性,设置应用程序池的回收时间，默认为1720小时，可以根据情况修改。再设置当内存占用超过多少（如500M），就自动回收内存。在下列时间回收]]></description><category></category></item><item><title><![CDATA[启动TOMCAT发生了java.net.unknownhostException ]]></title><link>https://blog.youkuaiyun.com/flowcloudz/article/details/1545837</link><guid>https://blog.youkuaiyun.com/flowcloudz/article/details/1545837</guid><author>flowcloudz</author><pubDate>Thu, 29 Mar 2007 21:26:00 +0800</pubDate><description><![CDATA[不联网的情况下启动TOMCAT发生了java.net.unknownhostException 严重: Parsing error processing resource pathava.net.UnknownHostException: struts.apache.orgat java.net.PlainSocketImpl.connect(PlainSocketImpl.java:177)]]></description><category></category></item><item><title><![CDATA[Oracle错误：ORA-01631]]></title><link>https://blog.youkuaiyun.com/flowcloudz/article/details/1448036</link><guid>https://blog.youkuaiyun.com/flowcloudz/article/details/1448036</guid><author>flowcloudz</author><pubDate>Mon, 18 Dec 2006 17:56:00 +0800</pubDate><description><![CDATA[客户的实时数据采集,由于数据量较大,在运行一段时间后oracle报 ORA-01631错误,是由于该表空间已经用完,将该表设置为UNlimited即可]]></description><category></category></item><item><title><![CDATA[修改jfreechart-1.0.2柱状图的间距]]></title><link>https://blog.youkuaiyun.com/flowcloudz/article/details/1445809</link><guid>https://blog.youkuaiyun.com/flowcloudz/article/details/1445809</guid><author>flowcloudz</author><pubDate>Sat, 16 Dec 2006 20:26:00 +0800</pubDate><description><![CDATA[修改org/jfree/chart/renderer/category中的BarRenderer.java文件中的double used = space * (1.0 - domainAxis.getLowerMargin()                                      - domainAxis.getUpperMargin()                    ]]></description><category></category></item><item><title><![CDATA[hibernate中字段计算]]></title><link>https://blog.youkuaiyun.com/flowcloudz/article/details/1444086</link><guid>https://blog.youkuaiyun.com/flowcloudz/article/details/1444086</guid><author>flowcloudz</author><pubDate>Fri, 15 Dec 2006 14:04:00 +0800</pubDate><description><![CDATA[如果要计算r1字段等于其它字段的和或差等,在hibernate中可以这样设置,将                     改为 其中R7+R8+R9+R10+R11+R12+R48为数据库中的其它字段名称 ]]></description><category></category></item><item><title><![CDATA[网页聊天]]></title><link>https://blog.youkuaiyun.com/flowcloudz/article/details/833938</link><guid>https://blog.youkuaiyun.com/flowcloudz/article/details/833938</guid><author>flowcloudz</author><pubDate>Sun, 25 Jun 2006 20:48:00 +0800</pubDate><description><![CDATA[访问新浪时看到网页聊天工具，感觉新鲜，能在同一新闻话题下一起聊天。]]></description><category></category></item><item><title><![CDATA[建立第一个python程序]]></title><link>https://blog.youkuaiyun.com/flowcloudz/article/details/768166</link><guid>https://blog.youkuaiyun.com/flowcloudz/article/details/768166</guid><author>flowcloudz</author><pubDate>Thu, 01 Jun 2006 16:40:00 +0800</pubDate><description><![CDATA[建立welcome.py文件，输入welcome="hello world!"print welcome保存后，在dos窗口中运行welcome.py，查看输出的"hello world!"在welcome.py文件中加入函数def fib(n):  """Print a Fibonacci series up to n."""  a,b=0,1  while b    print]]></description><category></category></item><item><title><![CDATA[今天开始学习python]]></title><link>https://blog.youkuaiyun.com/flowcloudz/article/details/663801</link><guid>https://blog.youkuaiyun.com/flowcloudz/article/details/663801</guid><author>flowcloudz</author><pubDate>Fri, 14 Apr 2006 18:43:00 +0800</pubDate><description><![CDATA[Python是一种语法简洁优美的，面向对象的，内置高级数据结构，支持模块和包，支持多种平台，可扩展的解释型通用编程语言。python的应用领域GUI开发,网络开发 图形开发,文档处理 游戏开发,Web开发 科学计算,移动开发 嵌入开发,数据库开发 ... 开始python从http://python.org/download/下载安装包后默认安装，然后pytho]]></description><category></category></item><item><title><![CDATA[将java程序运行为windows服务]]></title><link>https://blog.youkuaiyun.com/flowcloudz/article/details/643477</link><guid>https://blog.youkuaiyun.com/flowcloudz/article/details/643477</guid><author>flowcloudz</author><pubDate>Wed, 29 Mar 2006 18:52:00 +0800</pubDate><description><![CDATA[1、首先到http://javaservice.objectweb.org/下载javaservice2、解压缩到硬盘目录，运行TestSampleService.bat就可看到实际效果。3、将JavaService.exe拷贝到java程序运行目录。4、例子解释@echo off@echo .@echo . TestSampleService.bat - test JavaService e]]></description><category></category></item><item><title><![CDATA[获取系统环境变量]]></title><link>https://blog.youkuaiyun.com/flowcloudz/article/details/639158</link><guid>https://blog.youkuaiyun.com/flowcloudz/article/details/639158</guid><author>flowcloudz</author><pubDate>Sun, 26 Mar 2006 17:08:00 +0800</pubDate><description><![CDATA[在运行时设置一个环境变量 debug 为 true： java -Ddebug=true YourClass在程序中设置一个环境变量 debug 为 true： System.setProperty( "debug", "true" );获取一个环境变量 debug ： String debug = System.getProperty( "debug" );下表中列出了一部分环境变量，这些是 J]]></description><category></category></item><item><title><![CDATA[Hibernate简单构建]]></title><link>https://blog.youkuaiyun.com/flowcloudz/article/details/612496</link><guid>https://blog.youkuaiyun.com/flowcloudz/article/details/612496</guid><author>flowcloudz</author><pubDate>Tue, 28 Feb 2006 20:02:00 +0800</pubDate><description><![CDATA[Hibernate概述Hibernate是一个持久层解决方案，主要是ORM（对象/关系数据映射）包含3个步骤。一、构建hibernate基础代码1、  建立一个（POJO(无格式普通java对象)），一个典型的pojo，User.javapackage com.module;import java.io.Serializable;  public class Use]]></description><category></category></item><item><title><![CDATA[J2EE应用程序结构、应用服务器的配置]]></title><link>https://blog.youkuaiyun.com/flowcloudz/article/details/611688</link><guid>https://blog.youkuaiyun.com/flowcloudz/article/details/611688</guid><author>flowcloudz</author><pubDate>Mon, 27 Feb 2006 21:29:00 +0800</pubDate><description><![CDATA[J2EE应用程序结构、应用服务器的配置 一、java分类1、  开发平台（j2ee/j2sdk/j2me）2、  applet/application/servlet/javabean/jsp各自的写法与用途二、J2EE应用程序结构1、站点，类路径2、  运行环境3、  配置文件讲述三、应用服务器配置       1、resin服务器  一、]]></description><category></category></item><item><title><![CDATA[Struts框架概述]]></title><link>https://blog.youkuaiyun.com/flowcloudz/article/details/606925</link><guid>https://blog.youkuaiyun.com/flowcloudz/article/details/606925</guid><author>flowcloudz</author><pubDate>Thu, 23 Feb 2006 10:50:00 +0800</pubDate><description><![CDATA[Struts概述 一、MVC结构图Struts框架下应用程序请求流通过的路径。这个处理过程由5个基本的步骤组成。下面是处理步骤的描述。1． 由显示视图产生一个请求。2．  请求被ActionServlet（控制器）接收，它在struts-config.xml文件中寻找请求的URI，找到对应的Action类后，Action类执行相应的业务逻辑。3．  Action]]></description><category></category></item><item><title><![CDATA[Dinamica快速开始指南]]></title><link>https://blog.youkuaiyun.com/flowcloudz/article/details/606221</link><guid>https://blog.youkuaiyun.com/flowcloudz/article/details/606221</guid><author>flowcloudz</author><pubDate>Wed, 22 Feb 2006 18:36:00 +0800</pubDate><description><![CDATA[快速开始指南 简介在这个指南中你将建立一个简单的web应用程序 必须做的1、  你已经成功安装了Dinamica2、  数据库和web应用服务器都在运行 资源依照本指南，你将创建一些文本文件。你可以从templates/qstart目录下拷贝这些文件。1、  拷贝Dinamica目录下的qstart文件夹到resin目录的webapps下，然后访问htt]]></description><category></category></item><item><title><![CDATA[Dinamica安装步骤]]></title><link>https://blog.youkuaiyun.com/flowcloudz/article/details/606200</link><guid>https://blog.youkuaiyun.com/flowcloudz/article/details/606200</guid><author>flowcloudz</author><pubDate>Wed, 22 Feb 2006 18:13:00 +0800</pubDate><description><![CDATA[简介：在测试Dinamica之前，必须安装些第三方得软件。首先l         测试你的jdk安装l         下载所需软件，包括Dinamical         安装数据库服务器（MckoiDB—一个小的数据库）l         安装应用服务器（resin---一个快速得、强大的servlet引擎）l         配置应用服务器到数据库得连接l    ]]></description><category></category></item><item><title><![CDATA[java开源大全http://www.open-open.com/]]></title><link>https://blog.youkuaiyun.com/flowcloudz/article/details/604405</link><guid>https://blog.youkuaiyun.com/flowcloudz/article/details/604405</guid><author>flowcloudz</author><pubDate>Tue, 21 Feb 2006 14:21:00 +0800</pubDate><description><![CDATA[]]></description><category></category></item><item><title><![CDATA[java下编写串口通讯程序]]></title><link>https://blog.youkuaiyun.com/flowcloudz/article/details/602861</link><guid>https://blog.youkuaiyun.com/flowcloudz/article/details/602861</guid><author>flowcloudz</author><pubDate>Sun, 19 Feb 2006 18:30:00 +0800</pubDate><description><![CDATA[1、下载java Communications api开发包。|2、将win32com.dll拷贝入C:/j2sdk1.4.2_04/bin 3、将comm.jar拷贝入C:/j2sdk1.4.2_04/jre/lib/ext 4、将javax.comm.properties拷贝入C:/j2sdk1.4.2_04/jre/lib 5、编译CommTest.java文件 impo]]></description><category></category></item></channel></rss>