<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[by_黑手指]]></title><description><![CDATA[讨论计算机技术，欢迎大牛来访！]]></description><link>https://blog.youkuaiyun.com/Poison_By</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; Poison_By]]></copyright><item><title><![CDATA[java之  文件下载笔记]]></title><link>https://blog.youkuaiyun.com/Poison_By/article/details/37819161</link><guid>https://blog.youkuaiyun.com/Poison_By/article/details/37819161</guid><author>Poison_By</author><pubDate>Tue, 15 Jul 2014 16:44:12 +0800</pubDate><description><![CDATA[1：必须有一个form 作为接收的容器


2：]]></description><category></category></item><item><title><![CDATA[oracle 在创建表的时候添加注释]]></title><link>https://blog.youkuaiyun.com/Poison_By/article/details/37559551</link><guid>https://blog.youkuaiyun.com/Poison_By/article/details/37559551</guid><author>Poison_By</author><pubDate>Tue, 08 Jul 2014 10:07:48 +0800</pubDate><description><![CDATA[使用comment on，举个例子：
create table EMP
(
  empid NUMBER
);
 
comment on table EMP
  is '员工信息'; --添加表描述
 
comment on column EMP.empid
  is '员工编号'; --添加列描述]]></description><category></category></item><item><title><![CDATA[msql 中日期类型比较[当前日期跟数据库日期比较查询]]]></title><link>https://blog.youkuaiyun.com/Poison_By/article/details/28897747</link><guid>https://blog.youkuaiyun.com/Poison_By/article/details/28897747</guid><author>Poison_By</author><pubDate>Fri, 06 Jun 2014 16:50:02 +0800</pubDate><description><![CDATA[SELECT 
ID,
USER_ID,
TITLE,
CURRWEEK,
NEXTWEEK,
QUESTION,
REMARK,
DESCRIPTION,
COMMENT,
READFLAG,
READER,
ISSUE,
CLOSED,
CREATOR,
CREATE_TIME,
MODIFIER,
MODIFY_TIME,
FLAG
FROM ${OA_]]></description><category></category></item><item><title><![CDATA[java 8新特性]]></title><link>https://blog.youkuaiyun.com/Poison_By/article/details/26226381</link><guid>https://blog.youkuaiyun.com/Poison_By/article/details/26226381</guid><author>Poison_By</author><pubDate>Mon, 19 May 2014 11:08:15 +0800</pubDate><description><![CDATA[今天在java 论坛看到java 8的新特性 固发出来 让大家也学习e]]></description><category></category></item><item><title><![CDATA[Java 中的语法糖 (Syntactic Sugar)]]></title><link>https://blog.youkuaiyun.com/Poison_By/article/details/25606441</link><guid>https://blog.youkuaiyun.com/Poison_By/article/details/25606441</guid><author>Poison_By</author><pubDate>Mon, 12 May 2014 11:42:46 +0800</pubDate><description><![CDATA[语法糖（Syntactic Sugar），也叫糖衣语法，是英国计算机科学家彼得·约翰·兰达(Peter J. Landin)发明的一个术语。指的是，在计算机语言中添加某种语法，这种语法能使程序员更方便的使用语言开发程序，同时增强程序代码的可读性，避免出错的机会；但是这种语法对语言的功能并没有影响。
Java中的泛型，变长参数，自动拆箱/装箱，条件编译等都是，下面做简单的介绍和分析。

泛型]]></description><category></category></item><item><title><![CDATA[java 之装箱与拆箱的研究总结]]></title><link>https://blog.youkuaiyun.com/Poison_By/article/details/25596265</link><guid>https://blog.youkuaiyun.com/Poison_By/article/details/25596265</guid><author>Poison_By</author><pubDate>Mon, 12 May 2014 11:24:44 +0800</pubDate><description><![CDATA[今天看java JDK7的新特新语法糖的时候突然有提到装箱与拆箱，y]]></description><category></category></item><item><title><![CDATA[Dreamweaver CS5.5 下载一级激活码]]></title><link>https://blog.youkuaiyun.com/Poison_By/article/details/24641735</link><guid>https://blog.youkuaiyun.com/Poison_By/article/details/24641735</guid><author>Poison_By</author><pubDate>Mon, 28 Apr 2014 14:47:18 +0800</pubDate><description><![CDATA[一、Dreamweaver CS5.5注册码

 

1192-1313-4240-0415-2225-5323
1192-1756-8921-7408-0509-4870
1192-1321-8328-4108-7860-1096

1325-0742-6238-7407-1242-6814
1325-0224-6081-7924-2537-9878
1325-0529-49]]></description><category></category></item><item><title><![CDATA[Hibernate 二级缓存]]></title><link>https://blog.youkuaiyun.com/Poison_By/article/details/23790305</link><guid>https://blog.youkuaiyun.com/Poison_By/article/details/23790305</guid><author>Poison_By</author><pubDate>Tue, 15 Apr 2014 22:04:11 +0800</pubDate><description><![CDATA[二级缓存需要sessionFactory来管理，它是进初级的缓存，所有人都可以使用，它是共享的。

二级缓存比较复杂，一般用第三方产品。hibernate提供了一个简单实现，用Hashtable做的，只能作为我们的测试使用，商用还是需要第三方产品。

使用缓存，肯定是长时间不改变的数据，如果经常变化的数据放到缓存里就没有太大意义了。因为经常变化，还是需要经常到数据库里查询，那就没有必要用缓]]></description><category></category></item><item><title><![CDATA[hibernate大批量数据的添加，如果对象足够多内存肯定要溢出]]></title><link>https://blog.youkuaiyun.com/Poison_By/article/details/23789643</link><guid>https://blog.youkuaiyun.com/Poison_By/article/details/23789643</guid><author>Poison_By</author><pubDate>Tue, 15 Apr 2014 21:49:10 +0800</pubDate><description><![CDATA[//大批量的数据添加
for (int i=0; i
Student student = new Student();
student.setName("张三" + i);
session.save(student);
//每20条更新一次
if (i % 20 == 0) {
session.flush();
//清除缓存的内容
session.clear();
}
}
]]></description><category></category></item><item><title><![CDATA[java 电话面试题目]]></title><link>https://blog.youkuaiyun.com/Poison_By/article/details/19907921</link><guid>https://blog.youkuaiyun.com/Poison_By/article/details/19907921</guid><author>Poison_By</author><pubDate>Tue, 25 Feb 2014 12:46:30 +0800</pubDate><description><![CDATA[1：java 的数据类型
byte shot long  int char double float boolean
2:java 的访问类型
private  同一个类下访问
defaut  同一个包下
protected 子类访问
public 所有
3：jdbc 过程
1：加载数据库驱动：


Class.forName("com.mysql.jdbc.Driver")]]></description><category></category></item><item><title><![CDATA[全国省事级联数据库数据源码]]></title><link>https://blog.youkuaiyun.com/Poison_By/article/details/19697377</link><guid>https://blog.youkuaiyun.com/Poison_By/article/details/19697377</guid><author>Poison_By</author><pubDate>Sat, 22 Feb 2014 19:26:21 +0800</pubDate><description><![CDATA[全国全国各个省市数据库 三级联动 无刷新数据库 --创建DBPromary数据库 create database DBPromary use DBPromary go --创建promary表 create table promary ( proID int primary key, proName varchar(50) not null ) --------------------------]]></description><category></category></item><item><title><![CDATA[如何从零开始成为Android开发高手]]></title><link>https://blog.youkuaiyun.com/Poison_By/article/details/19687477</link><guid>https://blog.youkuaiyun.com/Poison_By/article/details/19687477</guid><author>Poison_By</author><pubDate>Sat, 22 Feb 2014 15:49:17 +0800</pubDate><description><![CDATA[http://edu.51cto.com/roadmap/view/id-5.html]]></description><category></category></item><item><title><![CDATA[详解Oracle创建用户权限全过程]]></title><link>https://blog.youkuaiyun.com/Poison_By/article/details/19683149</link><guid>https://blog.youkuaiyun.com/Poison_By/article/details/19683149</guid><author>Poison_By</author><pubDate>Sat, 22 Feb 2014 14:34:32 +0800</pubDate><description><![CDATA[在这里我们将介绍的是Oracle创建用户权限，在这一过程中，我们将先要创建一张表，然后进行后面的操作。




创建临时表空间


CREATE TEMPORARY TABLESPACE test_temp
TEMPFILE 'D:\oracle\product\10.1.0\oradata\orcl\test_temp01.dbf'
SIZE 32M
AUTOEXTEND ]]></description><category></category></item></channel></rss>