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yita — Wed, 21 Mar 2012 03:38:00 GMT

�q�个问题实在是太sui了，��因��Z��知道什么时候把dataSource的配�|�写�?span style="color: #a2e76f; font-family: Monaco; font-size: 12px; line-height: normal; "> name="defaultAutoCommit" value="false" />

所以，所以，�Q�妈的，改true��好了。。�?/span>

yita 2012-03-21 11:38 发表评论

mysql insert时报Duplicate entry...for key..

yita — Tue, 20 Mar 2012 12:08:00 GMT

@import url(http://www.aygfsteel.com/CuteSoft_Client/CuteEditor/Load.ashx?type=style&file=SyntaxHighlighter.css);@import url(/css/cuteeditor.css); Duplicate entry...for key..的意思时重复的键��|��查主键或者其他唯一键值重复�?/span>

yita 2012-03-20 20:08 发表评论

Install DB2 on LION

yita — Thu, 08 Mar 2012 06:28:00 GMT

先下载DB2 Express�Q�c for mac

下蝲地址�Q?/span>

https://www14.software.ibm.com/webapp/iwm/web/reg/download.do?source=swg-db2expressc&S_PKG=dlmacosx&S_TACT=100KG31W&lang=en_US&cp=UTF-8

有两个文�Ӟ��一个是Express-C free db�Q�一个是 Client。最好选择直接下蝲而不要��用download director�Q�ibm�q�个下蝲器真心一个烂�?/span>

下蝲的时候顺手搜了下�Q�stackoverflow上有说lion下安装有问题�Q�原因是db2setup无法正确识别出系�l�构架x86_64

解决�Ҏ��是先使用uname -m 查系�l�构架�?/span>

再修改db2setup脚本如下

"Darwin")

case ${OSM?} in

i*86)

INSTALLDIR="${PROGDIR?}/db2/macos/install"

PLATNAME="MacOS" ;;

x86_64)

INSTALLDIR="${PROGDIR?}/db2/macos/install"

PLATNAME="MacOS/x86_64" ;;

esac ;;

"HP-UX")

原文地址 http://stackoverflow.com/questions/7072871/how-do-i-install-ibm-db2-express-c-on-mac-os-x-10-7-lion

不过我下载下来的�q�没有这个问题，i*86默认改�ؓ*86*了，不知道是我只安装client�q�是ibm已经修正�q�个bug了？

但是安装的时候�ؕ码，我就直接执行db2install�Q�很快就安装�l�束�Q�提�C?/span>

必须讄�� DB2 实例环境

�Q�其�Ҏ��是：�?sqllib 目录中查�?db2profile �?db2cshrc�Q�也可以�?nbsp;

DB2 实例用户打开新的��d��H�口�?/p>

未完待许。�?/span>

yita 2012-03-08 14:28 发表评论

泛型�Ҏ��

yita — Tue, 28 Feb 2012 14:50:00 GMT

public static <T> void add(Info<T> i1, Info<T> i2){

�q�回值前�?lt;T>是泛型方法的声明方式�Q�不加编译错误�?/div>

yita 2012-02-28 22:50 发表评论

yita — Mon, 13 Feb 2012 03:23:00 GMT

⌘=CMD�Q?#8997;=OPT�Q�^=Ctrl�Q?#8679;=Shift�Q?⎋=Esc�Q?#9003;=Del

新增桌面 �Q�触控板四指向下�Q�或者按F3 打开Mission Control 点右上角点击�Q�号�?/span>

然后把不同程序按需要拖动到不同桌面卛_��?/span>

mac里command与win得ctrl功能差不多。不��快捷键也相似可以尝试�?/span>

yita 2012-02-13 11:23 发表评论

mac下��用eclipse的svn报错问题

yita — Tue, 10 Jan 2012 02:49:00 GMT

 Failed to load JavaHL Library.
    These are the errors that were encountered:
    no libsvnjavahl-1 in java.library.path
    no svnjavahl-1 in java.library.path
    no svnjavahl in java.library.path
    java.library.path = �Q�＊�Q�＊�Q�＊�Q�＊

eclipse装好svn插�g之后报加载JavaHL libary错误�Q�看了一对说是要加参数指�?nbsp;java.library.path。加了之后发现没用，又搜了搜扑ֈ��q�个

http://subclipse.tigris.org/wiki/JavaHL

其中mac os 里有�D�写�?/p>

The easiest thing to do is download and install the OSX package that is provided on openCollabNet. This installs Subversion, including the JavaHL library, into /opt/subversion.

于是在http://www.open.collab.net/downloads/community/下蝲之，下蝲需要先注册�Q�找�?0.7版的。再开开eclipse�Q�同步svn��没有问�?/p>

ps.在sinaapp上看��C��l?a title="svnx" target="_blank">svnx�q�个客户端，�U�录下，有时间试�?/p>

yita 2012-01-10 10:49 发表评论

Struts2 注解基础

yita — Fri, 30 Dec 2011 12:14:00 GMT

The Struts dispatcher cannot be found.  This is usually caused by using Struts tags without the associated filter. Struts tags are only usable when the request has passed through its servlet filter, which initializes the Struts dispatcher needed for this tag. - [unknown location]

先是报这个错�Q�因为struts2的filter�?.action的原因。改��Z��下即可�?/p>

<filter-mapping>
        <filter-name>struts2Filterfilter-name>
        <url-pattern>/*url-pattern>
        <dispatcher>REQUESTdispatcher>
        <dispatcher>FORWARDdispatcher>
filter-mapping>

1.convention plugin插�g

convention plugin默认result��面存放�?strong>WEB-INF/content.�Q�可以通过struts.convention.result.path属性来讄��Q��?/p>

�?nbsp;http://localhost:8080/hello-world该url��访�?strong>WEB-INF/content/hello-world.jsp�?/strong>

2.convention plugin查找�cȝ��规则

convention plugin会查找struts�?/tt>struts2�?/tt>action�?/tt>actions�{�包里的满��以下条�g�?/tt>�c�（好像可以讄��Q?/p>

实现或��承com.opensymphony.xwork2.Action、ActionSupport的类�?/li> 或者action�l�尾的类�?/li>

　　修改包查找规则修改下面两个属�?/div> <constant name="struts.convention.package.locators" value="test" /> <constant name="struts.convention.package.locators.basePackage" value="com.test" /> 3.convention plugin�c�d��应URL规则　　�?tt>struts�?/tt>struts2�?/tt>action�?/tt>actions�{�包下生�?ldquo;/”�Q?/tt>更深层次则��l�以“包名/”�Q�类名子目全��写�Q�按驼峰法分隔单词添�?ldquo;-”。�D例如下： com.example.actions.MainAction -> /main com.example.actions.products.Display -> /products/display com.example.struts.company.details.ShowCompanyDetailsAction -> /company/details/show-company-details 4.result对应��面名称　　��面命名与类名规则相同，再加�?ldquo;-”与result值即可，如果找不到result的页面，��g��会返回到省略result名称的页面，�q�有success可省略，如下�Q?/p> URL Result File that could match Result Type /hello success /WEB-INF/content/hello.jsp Dispatcher /hello success /WEB-INF/content/hello-success.htm Dispatcher /hello success /WEB-INF/content/hello.ftl FreeMarker /hello-world input /WEB-INF/content/hello-world-input.vm Velocity /test1/test2/hello error /WEB-INF/content/test/test2/hello-error.html Dispatcher 5.chaining 　　例子�Q�foo action找不到result��面�Q�会自动查找foo-bar action package com.example.actions; import com.opensymphony.xwork2.Action; import com.opensymphony.xwork2.ActionSupport; public class HelloAction extends ActionSupport { @Action("foo") public String foo() { return "bar"; } @Action("foo-bar") public String bar() { return SUCCESS; } } 　　　　参考： struts2 convention-plugin文档 http://www.vaannila.com/struts-2/struts-2-example/struts-2-annotation-example-1.html http://apps.hi.baidu.com/share/detail/48320875 yita 2011-12-30 20:14 发表评论

URL	Result	File that could match	Result Type
/hello	success	/WEB-INF/content/hello.jsp	Dispatcher
/hello	success	/WEB-INF/content/hello-success.htm	Dispatcher
/hello	success	/WEB-INF/content/hello.ftl	FreeMarker
/hello-world	input	/WEB-INF/content/hello-world-input.vm	Velocity
/test1/test2/hello	error	/WEB-INF/content/test/test2/hello-error.html	Dispatcher

yita — Tue, 20 Dec 2011 04:05:00 GMT vimrc里加上下面代码就可以ctrl+c、ctrl+v、ctrl+a�{�windows操作 1 source $VIMRUNTIME/mswin.vim 2 behave mswin 解决��q��问题 " 讑֮�默认解码 set encoding=utf-8 set fileencodings=utf-8,chinese,latin-1 if has("win32") "set fileencoding=chinese set fileencoding=utf-8 else set fileencoding=utf-8 endif language message zh_CN.utf-8 "解决菜单��q�� source $VIMRUNTIME/delmenu.vim source $VIMRUNTIME/menu.vim "set font "set guifont=Nsimsun set guifont=Fixedsys:cGB2312 最�q�用了这个vimrc�Q?nbsp; http://amix.dk/vim/vimrc.html�Q�，据说是最强配�|�，��M��个command—T�Q�要装ruby�Q�，里面�q�有不少插�g得自己找。看了下主要是python和js的配�|�，回头得再加点java的�?/p> ��Z��得加上这个函�?/p> fun! MySys() return "windows" endfun yita 2011-12-20 12:05 发表评论 yita — Mon, 19 Dec 2011 12:33:00 GMT IE6中用modaldialog�Ӟ��a的href里写javascript�Ӟ��?lt;a href="javascript:test();">test�Q�如果无效或者出错时�Q�加�?lt;base target="_self">卛_��?/p> yita 2011-12-19 20:33 发表评论 yita — Mon, 12 Dec 2011 02:41:00 GMT �pȝ��中户人、育龄妇奟뀁子女三个表有大量冗余，设计者称所谓方便查询和效率�Q�结果�ؓ了保证数据的一致性付��Z��巨大的代仗��记之�?/p> yita 2011-12-12 10:41 发表评论