今天在写一个sql，目的是去除表里某一个字段相同的数据，只保留最新的一条。之前groupby用的少。特此记录一下。SELECT*FROMlitb_approval_taskSELECTMAX(taskid),ApproverId,MAX([approvalid]),MAX([CreateUserID]),MAX([CreateUserName]),MAX([status]),MAX([adddate])FROMlitb_approval_taskGROUP
系统 2019-08-12 01:52:31 2964
（一）inline函数（摘自C++Primer的第三版）在函数声明或定义中函数返回类型前加上关键字inline即把min（）指定为内联。inlineintmin(intfirst,intsecend){/****/};inline函数对编译器而言必须是可见的，以便它能够在调用点内展开该函数。与非inline函数不同的是，inline函数必须在调用该函数的每个文本文件中定义。当然，对于同一程序的不同文件，如果inline函数出现的话，其定义必须相同。对于由两
系统 2019-08-12 01:33:19 2964
Samba现在有三个活动分支，分别是4.0、3.6.x和3.5.x，今天发布的3.5.10是一个bugfix版本而已。Samba，是种自由软件，用来让UNIX系列的操作系统与微软Windows操作系统的SMB/CIFS（ServerMessageBlock/CommonInternetFileSystem）网络协定做连结。在目前的版本（v3），不仅可存取及分享SMB的资料夹及打印机，本身还可以整合入WindowsServer的网域、扮演为网域控制站（Dom
系统 2019-08-12 01:32:43 2964
前面介绍的都是传递简单的字符串，现在开始介绍传递复杂类型的对象。如JavaBean、Array、List、Map等。1、首先看看服务器端的代码所需要的JavaBean对象packagecom.hoo.entity;importjava.io.Serializable;/***function:UserEntity*@authorhoojo*@createDateDec16,201010:20:02PM*@fileUser.java*@pack
系统 2019-08-12 01:32:12 2964
DjangoMySQLfulltextsearch-StackOverflow6downvoteYoucanusefulltextsearchindjangoMyItem.objects.filter(title__search="somesearchtext")Onethingis-youcan'tdefineafulltextindexfromaDjangomodel,youneedtodoindirectlyinadatabase(usingPHPM
系统 2019-08-12 01:32:09 2964
开发了一个模块，可用来计算平面一些点所构成的凸包。模块名为ConvexHull.dll。使用方法是这样的，新建一个WinForm工程（控制台工程也行，只是输出结果不大直观），引用ConvexHull.dll，然后在Form1代码中引用模块的命名空间：
本面使用jquery-1.3.2和面定位map.jsp,支持一人和双人游戏,实现如下:山寨坦克大战...主坦克方向:WASD,空格发射</span>
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<a class="zj-titles zj-del-target" href="/article/21582" title="Java 方法中参数传递" target="_blank" onclick="return recordId('',)">Java 方法中参数传递 </a>
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<span class="note" onclick="if (jq.browser.versions.mobile) {window.location.href='/article/21582';}else{window.open('/article/21582');}" style="cursor: pointer;">Java方法中参数传递【网上摘录】一个容易忽略的问题，需要注意的地方。在网上，众说纷纭。找到一个跟自己理解很近的，贴出来。值得引起注意。摘录：Java中的参数传递机制一直以来大家都争论不休，究竟是“传值”还是“传址（传引用）”，争论的双方各执一词，互不相让。不但“菜鸟”们一头雾水，一些“老鸟”也只知道结果却说不出所以然来。我相信看过下面的内容后，你就会明白一些。先看基本类型作为参数传递的例子：publicclassTest1{??????publicsta</span>
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<a class="zj-titles zj-del-target" href="/article/20391" title="图片裁剪：CropZoom插件的应用" target="_blank" onclick="return recordId('',)">图片裁剪：CropZoom插件的应用 </a>
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<span class="note" onclick="if (jq.browser.versions.mobile) {window.location.href='/article/20391';}else{window.open('/article/20391');}" style="cursor: pointer;">我们在使用QQ空间或者开心网等网站的个人中心时，有个上传个人头像的功能。用户在上传自己的照片后，由于照片尺寸不符合网站的要求，要求用户对照片进行裁剪，最终根据用户裁剪的尺寸生成头像。查看演示最近在项目中也要用到这样的功能，用户可以对上传的图片进行自由缩放、裁剪，使之符合彩信图片的大小。于是，发现了CropZoom。CropZoom特性CropZoom是由GastonRobledo写的一个功能非常强大的jquery图片裁剪插件，它具有以下主要特性：1、任意放</span>
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<a title="Ubuntu" class="label label-important zj-del-target" href="/category/55">Ubuntu<i class="label-arrow"></i></a>
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<a class="zj-titles zj-del-target" href="/article/18863" title="为什么每个人都应该尝试Ubuntu" target="_blank" onclick="return recordId('',)">为什么每个人都应该尝试Ubuntu </a>
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<span class="note" onclick="if (jq.browser.versions.mobile) {window.location.href='/article/18863';}else{window.open('/article/18863');}" style="cursor: pointer;">标签：Ubuntu介绍Linux如果您是位狂热的Gentoo或者Slackware粉丝，请离开，不要继续读下去。您可能不会像我说的那样。（但是向您保证，我尊敬并欣赏您的目标，致力于运行您自己可以完成的简单的GNU/Linux安装。我会注意保护您选择的自由。）而现在，我开始说我的。如果这两年，您才开始使用Linux，就很可能使用Ubuntu。如果您第一次考虑尝试Linux时遇到困难，，您无疑应该考虑Ubuntu。以下是为什么。选择Ubuntu有以下两类理由：</span>
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