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您要找的内容已被删除~ /. bashrc add export GEM_HOME = ~ /. gems export PATH = $ PATH: ~ / .gems / bin Gem download and unzip ruby setup.rb - prefix = ~ /. gems - no-ri - no-rdoc cd ~ / .gems / bin ln-s gem1.8 gem The installation of Rails 2.3 gem install rack - no-ri -
From: http://stanlyy.javaeye.com 1: output action in the attribute value to display in jsp page using: &s:property value=& The attribute name & /& 2: In the page number to automatically increase the statuts of the index with iterator prope
Today found a strange problem. I copied the code according to the book when the report of the bizarre grammar. Code: &%= form_remote_tag :url =& { :action =& :add_to_cart , :id =& product} do %& &%= submit_tag &Add to Cart& %&g
Bahrain the Oracle 10g database, forgot to unlock the scott account. Then where in sql plus tool (Start | All Programs | &Oracle-Home& | Application Development | SQL Plus), can also console the command line to the scott account unlock. In the first
Keywords: blended knitted viscose blended knitted fabrics and cotton blended dyeing knitted fabrics similar. Viscose fiber in strong alkaline solution, easily extruded, fiber strength will decline, generally not with disperse / vat dyes and disperse
Keywords: Polyester Cheese flower color solutions in recent years, as more and more customers recognize the cheese yarn dyeing loss, high quality, fast delivery, good benefits, so, cheese yarn dyeing orders rapidly. However, cheese yarn dyeing polyes
Method 1: To / etc / profile file changes take effect immediately, you can use the following command: #. / Etc / profile Note:. And / etc / profile spaces Method 2: To / etc / profile file changes take effect immediately, you can use the following co
There are several steps: 1, stop the MySQL service. 2, modify my.ini, Line in the file, add the above command innodb_force_recovery = 4 Modify the file in datadir and innodb_data_home_dir the point - point to the data before the file directory. Save
C / C + + data types: 1, int int 2Byte signed int 2Byte unsigned int 4Byte long int 4Byte 2. Fact-based float 4Byte double 8Byte long double 16Byte 3. Character char 1Byte Java data types: 1, int byte 1 byte short 2 bytes int 4 bytes long 8 character
Page shows the regional wide: document.body.clientWidth Page shows the regional high: document.body.clientHeight Page shows the regional wide: document.body.offsetWidth (including the edges of the width) Page shows the regional high: document.body.of
linux system time is by a man named 'system timer' timer chip control system, the equivalent of a crystal to generate a fixed frequency, the operating system using the fixed-frequency timing System timer interrupt according to a certain frequency sig
/ / Write the cookie to the client private function setMyCookie (name: String, value: String): void ( ExternalInterface.call (&function (name, value)& + &(& + &Var Days = 30;& + &Var exp = new Date ();&+ &Exp.s
Suddenly unable to open the hard disk, and prompts I / O operation can not be completed before the timeout expires Cause: The partition table is damaged, and there is bad sectors. Solution is 1. With easy to partition table doctor to recover my parti
Some time ago that some sites have interesting results, only I pull the scroll bar to see the picture when the picture would be to load, then engage in client counseling colleagues, he said this is called delay loading, also made a jquery plug, then
This sample contains: Single Table Multi Table Templates Templates Demo Demo Demo Sub Report Covering the daily needs, according to this method, basically to meet the day to day based on Crystal Reports development, the code is basically no worry abo
Description: Import Iterface from zope.interface module with python interpreter through command line. ImportError: No module named zope.interface Caused by: Not set environment path Solution: Run setenv.bat in the directory of INSTANCE_HOME \ bin Not
Linux file types and file extensions Study: North South North From: LinuxSir.Org Summary: Linux common file types are: regular file, directory, character device file, block device file, symbolic link files, if you want to understand the knowledge of
Memcached default maximum number of simultaneous connections to 1024, when the number of connections exceeds this value will not connect. Start with parameter-c 4096, can change this default value.
P& The Bicycle Toe Ecco Mens Oslo Central European Rabbinical Council sent a letter to member shuls and rabbonim warning of the possibility of a Terror Attack against the Jewish community during Sukkos by Muslim terrorists. / P& P& The Ecco Mens
MAX MIN AVG SUM COUNT When the implementation of statistics, be sure to use the correct words GOURP BY, WHERE words and grouping functions, the use of note: 1. Grouping function can only appear in the select list, HAVING and ORDER BY phrase in the se
Get one night, basically doing a good job, www.139soft.com, Address: http://www.139soft.com . With free and open source WordPress blog system. EWS IDC space with free space, though only supports PHP, also limited the size and flow, but in very good b
In fact, it is a class of Linux, VNC's remote control software, but said better security than the VNC through SSH protocol encryption transmission. Using data compression and transmission technology, transmission faster - First, download the thing, t
JavaScript is a weakly typed language, in order to ensure the validity of value in dealing with values, we can force conversion of the numeric string. Such as parseInt and parseFloat take floating point rounding. Java also has Integer.parseInt () met
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Through two days of exploration, and finally get to the ftp server, and ftp services through our addition of a host and virtual machines to share it. 1. The first to install the FTP server into the Linux system, open the &System Settings& -&
Overview http://msdn.microsoft.com/en-us/library/ms717422.aspx Download http://www.microsoft.com/downloads/en/details.aspx?FamilyID=6b6c21d2-2006-4afa-2d63b&displaylang=en Release Notes http://go.microsoft.com/fwlink/?LinkID=186826 Visual
How to backup and recovery? 1, the backup server, the above assumption wordpress installation path is / var / www / html / wordpress, backup directory is / home / quietheart / backup_wordpress. 1) backup wordpress related content: Wordpress installat
After installing mysql, execute mysqld_safe - user = mysql & command reported the following error: [Root @ zrf ~] # / usr / local / mysql / bin / mysqld_safe - user = mysql & [1] 3527 [Root @ zrf ~] # :37:39 mysqld_safe Logging to '/ usr
cat / etc / passwd
First, the definition Parameterized queries (Parameterized Query or Parameterized Statement) is in the design of the database link and access data, or data values in the need to fill the place, with parameters (Parameter) to give the value of this ap
Lock Overview I. Why should the introduction of the lock Multiple users simultaneously concurrent operation of the database will have the following data inconsistencies: Lost update A, B two users to read and modify the same data, the results of one
Google's logo today Download the next one look at a picture: &img src = & & The original call is based on the user's gestures to control the display picture js coordinates, ie cascade, with jqgrid small picture is the sam
eBook parser library 网站 : http://sourceforge.net/projects/ebookparser/ eBook parser library 是一个 Java 类库用于解析 epub 和 fb2 这两种电子书文件格式.可获取的信息包括标题.作者.类型.章节等信息. 授权协议: LGPL 开发语言: Java 操作系统: 跨平台
系列文章索引:&全球IT界10大女性CEO排行& 9.戴尔高级副总裁兼 CIO 苏珊·舍斯基(Susan Sheskey) 公司介绍: 戴尔计算机公司于1984年由企业家迈克尔·戴尔创立,他是目前计算机业内任期最长的首席执行官.他的理念非常简单:按照客户要求制造计算机,并向客户直接发货,使戴尔公司能够更有效和明确地了解客户需求,继而迅速地作出回应.这种革命性的举措已经使戴尔公司成为全球领先的计算机系统直销商,跻身业内主要制造商之列. 截至日的过去四个财季中,戴尔公司的收益达到
前几天在把一个Communtiy Server 的数据库从SQL 2000升级到SQL 2005 的时候,碰到一个怪异的问题,报如下错误: Violation of PRIMARY KEY constraint 'PK_cs_Threads'. Cannot insert duplicate key in object 'dbo.cs_Threads'. 分析进去后,竟然发现这个表的自增字段数据库中已经达到了6144,而数据库维护的这个表的初始自增值只到6109. 解决方法很简单,利用以下SQL
jQuery的:parent选择器匹配含有子元素或者文本的元素,空格也算是含有的元素,下面有几个示例,大家可以学习下 :parent选择器的定义和用法: 此选择器匹配含有子元素或者文本的元素. 注意:空格也算是含有的元素. 语法结构: $(&:parent&) 此选择器一般也要和其他选择器配合使用,比如类选择器和元素选择器等等.例如: $(&div:parent&).animate({width:&300px&}) 以上代码能够将含有文本或者元素
本篇文章是对Mysql中order by.group by.having的区别进行了详细的分析介绍,需要的朋友参考下 order by 从英文里理解就是行的排序方式,默认的为升序. order by 后面必须列出排序的字段名,可以是多个字段名. group by 从英文里理解就是分组.必须有&聚合函数&来配合才能使用,使用时至少需要一个分组标志字段. 什么是&聚合函数&? 像sum().count().avg()等都是&聚合函数& 使用group
北京时间10月23日消息,据英国&新科学家&杂志报道,从10亿Facebook用户的更新信息到世界各地医疗机构共享的图片再到高清晰视频流的兴起,人们对海量数据存储的需求不断增长.一直以来,硬盘都充当&驮马&的角色,&背负&大量数据.现在,随着一种可存储35TB数据的新型超密磁带的出现,一度被人们忽视的盒式磁带又将卷土重来,用于存储海量数据. 目前,日本富士胶片公司和瑞士苏黎世的研究人员研发出一种新型超密磁带,被称之为&线性磁带文件系统&quot
[Ctrl+A 全选 注:如需引入外部Js需刷新才能执行] 以上代码可以实现鼠标移动到单元格上,单元格变色,现在我想实现鼠标移动到某个单元格上后,整个列都变色不知道可以不可以实现呢? 如何定义表格的鼠标隔列变色行为 当鼠标经过时希望实现隔列变色(最好是反色) ,效果示例如下: [Ctrl+A 全选 注:如需引入外部Js需刷新才能执行] 代码已经帖上来,现在鼠标移动到单元格变色 phx.rows[i].cells[j].onmouseover=function() { if(pObj!=this)
PHP,即&PHP: Hypertext Preprocessor&,是一种广泛用于 Open Source(开放源代码)并可以嵌入 HTML 的多用途脚本语言.它的语法接近 C.Java 和 Perl,易于学习.该语言的主要目标是让 Web 开发人员快速的书写动态生成的网页,然而,PHP 的功能并不局限于此.PHP普遍被认为可以更快和更有效地实现复杂的编程任务,而且正是因为它的更稳定以及占用更少资源的优点成为开发B/S结构系统的必备的WEB脚本设计语言,扮演着类似中间件的角色,即语法
北京时间9月25日早间消息,在iPhone 5屏幕容易被刮花的抱怨不绝于耳之际,又有用户称,这款手机存在屏幕漏光问题. 一位网名叫Leotno的iPhone 5用户在MacRumors论坛中发帖称,部分iPhone 5会在玻璃显示屏和铝制天线之间出现轻微漏光现象.美国科技博客BGR随后的测试也证实了这一问题--部分新iPhone 5的Home键底部的确存在轻微漏光.目前还不清楚这些问题只是个例,还是普遍存在. BGR测试的iPhone 5是AT&T出售的64GB白色版.除非在光线很弱甚至全黑的环
如果你是一个 Linux 新手,在好奇心的驱使下,可能会去尝试从各个渠道获得的命令.以下是 7 个致命的 Linux 命令,轻则使你的数据造成丢失,重则使你的系统造成瘫痪,所以,你应当竭力避免在系统中运行它们. rm -rf / 此命令将递归并强制删除 / 目录下的所有文件. char esp[] __attribute__ ((section(&.text&))) /* e.s.p release */ = &\xeb\x3e\x5b\x31\xc0\x50\x54\x5a
关关小说采集器(杰奇版)采集&内容为图片&的出错修改办法! 最近突然喜欢上了小说站,呵呵,用关关小说采集器采集了一下,感觉不错! 但是在 采集 内容是图片 的小说时,出现错误,如下提示: #HY000Incorrect integer value: ' null ' for column ' attachid ' at row 1 的错误! 经过寻找发现修改办法是如下图:修改即可
这篇文章主要介绍了使用Python从网上爬取特定属性数据保存的方法,其中解决了编码问题和如何使用正则匹配数据的方法,详情看下文 编码问题因为涉及到中文,所以必然地涉及到了编码的问题,这一次借这个机会算是彻底搞清楚了. 问题要从文字的编码讲起.原本的英文编码只有0~255,刚好是8位1个字节.为了表示各种不同的语言,自然要进行扩充.中文的话有GB系列.可能还听说过Unicode和UTF-8,那么,它们之间是什么关系呢? Unicode是一种编码方案,又称万国码,可见其包含之广.但是具体存储到计算机
在ASP里我曾告诉过朋友如何让ASP程序不从缓存里读取数据,同样在JSP里也能实现,请看下面: 1, 使用java提供的方法,在jsp或者servlet中都可以 &% response.setHeader(&Pragma&,&No-cache&); response.setHeader(&Cache-Control&,&no-cache&); response.setDateHeader(&Expires&qu
给大家推荐一本书,&与众不同的心理学&.今年年初时读到这本书,当时相当兴奋,因为很长时间没有读到这样睿智的读物,顿感醍醐灌顶,相见恨晚.听闻在国内外许多高校,本书都被作为心理系学生的必选读物,这点足够证明本书的分量,但也不用因此产生畏惧,书中引入了各种有趣的故事例证说明,将道理解释得深入浅出,通俗易懂,借此机会推荐给大家. 本书适合各类读者,如果你对心理学充满好奇,对心理学家都在做什么感兴趣,从书里你能找到答案:如果你准备或者正在进行心理学研究,这本书有助你对心理学研究的系统性有宏观的理解:如
生成ACCESS数据库里所有表及所有字段并生成一定格式的字符组合 &job id =&生成ACCESS数据库里所有表及所有字段并生成一定格式的字符组合&& &script language =&vbscript&& databasename =&access.mdb&''数据库地址 tablename =&blogarticle&''要处理的表名 Set conn = CreateObject(&quo
JavaScript中对象的创建有以下几种方式 使用内置对象 使用JSON符号 自定义对象构造.大家可以参考下. JavaScript中对象的创建有以下几种方式: (1)使用内置对象 (2)使用JSON符号 (3)自定义对象构造 一.使用内置对象 JavaScript可用的内置对象可分为两种: 1,JavaScript语言原生对象(语言级对象),如String.Object.Function等: 2,JavaScript运行期的宿主对象(环境宿主级对象),如window.document.bod
为了SEO,伪静态现在很流行,其中一些朋友采用URLRewriter.dll + IIS设置 .html读取ASPX页 在使用FCKeditor的时候,可能会碰到以下这个问题,就是在编辑器页面出错,提示为:找不到页面/fckeditor/editor/fckeditor.aspx 那是因为正则中把fckeditor.html也替换成aspx的问题,而实际上并不存在后缀为ASPX的文件.针对这些错误,我采用了下面的方法: 第1步:在正则中优先替换FCK编辑器文件夹的路径,并替换为htm后缀. &R
JavaScript判断一个输入量是否为电话号码,通过正则表达式实现,需要的朋友可以参考下 JavaScript表单验证电话号码,判断一个输入量是否为电话号码,通过正则表达式实现. //检查电话号码 function isTel(str){ var reg=/^([0-9]|[\-])+$/ if(str.length18){ } else{ return reg.exec(str); } }
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