不完全读取页面的时候能看到代码-不能标记红色,加粗了,这尼玛坑跌呢

前端之家收集整理的这篇文章主要介绍了不完全读取页面的时候能看到代码-不能标记红色,加粗了,这尼玛坑跌呢前端之家小编觉得挺不错的,现在分享给大家,也给大家做个参考。
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<div>&nbsp;品(466291086)&nbsp;11:08:35&nbsp;<br /> <span style="font-family: mceinline;"><strong>&nbsp;a=4;(a++)&nbsp;+=&nbsp;a&nbsp;&nbsp;&nbsp;&nbsp;;&nbsp;&nbsp;求a</strong></span><br />(本消息由该成员通过手机QQ发送,体验手机QQ请登录:&nbsp;http://mobile.qq.com/c&nbsp;)&nbsp;&nbsp;<br />ITGrit[C/C++&nbsp;MFC](286715286)&nbsp;11:09:13&nbsp;<br />9<br />【提示:此用户正在使用WebQQ:http://web.qq.com/】&nbsp;<br />秦伟(871452271)&nbsp;11:09:14&nbsp;<br />9?<br />ITGrit[C/C++&nbsp;MFC](286715286)&nbsp;11:09:22&nbsp;<br />呵呵&nbsp;<br />品(466291086)&nbsp;11:09:28&nbsp;<br />额饿&nbsp;&nbsp;<br />品(466291086)&nbsp;11:09:35&nbsp;<br />高手&nbsp;&nbsp;<br />cuiwow(157808076)&nbsp;11:09:40&nbsp;<br />这个不是要看具体编译器么..?<br />品(466291086)&nbsp;11:09:44&nbsp;<br />再来个&nbsp;&nbsp;<br />ITGrit[C/C++&nbsp;MFC](286715286)&nbsp;11:09:47&nbsp;<br />?&nbsp;<br />品(466291086)&nbsp;11:09:52&nbsp;<br /><img src="file:///D:/temp/S-1-5-~1/temp/PV(SCAJM1FB~YMS%2L}R5JU.gif" alt="" />&nbsp;&nbsp;<br />lander(530468003)&nbsp;11:09:51&nbsp;<br />搞这么复杂<br />ITGrit[C/C++&nbsp;MFC](286715286)&nbsp;11:10:04&nbsp;<br />群里是不是好几天没人说话了&nbsp;<br />ITGrit[C/C++&nbsp;MFC](286715286)&nbsp;11:10:05&nbsp;<br />哈哈&nbsp;<br />踏雪无痕(348259989)&nbsp;11:10:23&nbsp;<br />我也觉的得看编译器<br />ITGrit[C/C++&nbsp;MFC](286715286)&nbsp;11:10:27&nbsp;<br />放5.1群里也都放假了&nbsp;<br />ITGrit[C/C++&nbsp;MFC](286715286)&nbsp;11:10:32&nbsp;<br />为什么&nbsp;<br />品(466291086)&nbsp;11:10:37&nbsp;<br />&nbsp;(++a)&nbsp;+=&nbsp;(a++);<br />a&nbsp;=&nbsp;?&nbsp;&nbsp;<br />品(466291086)&nbsp;11:10:49&nbsp;<br /> <img src="file:///D:/temp/S-1-5-~1/temp/AV5W2LR]H5YAQXT}1N2LPDY.gif" alt="" />&nbsp;&nbsp;<br />ITGrit[C/C++&nbsp;MFC](286715286)&nbsp;11:11:03&nbsp;<br />阴险,哈哈&nbsp;<br />品(466291086)&nbsp;11:11:06&nbsp;<br />哈哈哈&nbsp;&nbsp;<br />品(466291086)&nbsp;11:11:21&nbsp;<br />&nbsp;(++a)&nbsp;+=&nbsp;(a++);<br />a&nbsp;=&nbsp;?&nbsp;&nbsp;<br />醉里笑紅尘□(464469131)&nbsp;11:11:59&nbsp;<br />刚才你的那个题结果怎么是9啊&nbsp;??<br />ITGrit[C/C++&nbsp;MFC](286715286)&nbsp;11:12:00&nbsp;<br />10&nbsp;<br />醉里笑紅尘□(464469131)&nbsp;11:12:09&nbsp;<br />怎么算的??<br />ITGrit[C/C++&nbsp;MFC](286715286)&nbsp;11:12:09&nbsp;<br />?&nbsp;<br />醉里笑紅尘□(464469131)&nbsp;11:12:13&nbsp;<br />可否赐教??<br />品(466291086)&nbsp;11:12:30&nbsp;<br />4+4+1&nbsp;&nbsp;<br />醉里笑紅尘□(464469131)&nbsp;11:12:46&nbsp;<br />能具体点吗??<br />品(466291086)&nbsp;11:13:07&nbsp;<br />这个答案&nbsp;(++a)&nbsp;+=&nbsp;(a++);<br />a&nbsp;=&nbsp;?多少啊&nbsp;&nbsp;<br />ITGrit[C/C++&nbsp;MFC](286715286)&nbsp;11:13:09&nbsp;<br />从右向左求值&nbsp;<br />ITGrit[C/C++&nbsp;MFC](286715286)&nbsp;11:13:26&nbsp;<br />10?&nbsp;<br />品(466291086)&nbsp;11:13:29&nbsp;<br />我用的手机&nbsp;&nbsp;哥哥&nbsp;&nbsp;<br />品(466291086)&nbsp;11:13:33&nbsp;<br />哈哈哈&nbsp;&nbsp;<br />品(466291086)&nbsp;11:13:36&nbsp;<br /><img src="file:///D:/temp/S-1-5-~1/temp/AV5W2LR]H5YAQXT}1N2LPDY.gif" alt="" />&nbsp;&nbsp;<br />醉里笑紅尘□(464469131)&nbsp;11:13:55&nbsp;<br />但是我实在不懂啊!<br />品(466291086)&nbsp;11:13:57&nbsp;<br />先看看对不&nbsp;&nbsp;&nbsp;这个题&nbsp;&nbsp;<br />品(466291086)&nbsp;11:14:06&nbsp;<br /><img src="file:///D:/temp/S-1-5-~1/temp/AV5W2LR]H5YAQXT}1N2LPDY.gif" alt="" />&nbsp;&nbsp;<br />lander(530468003)&nbsp;11:14:22&nbsp;<br />好无聊啊<br />品(466291086)&nbsp;11:14:33&nbsp;<br />等我下课&nbsp;&nbsp;&nbsp;单m&nbsp;&nbsp;<br />品(466291086)&nbsp;11:14:51&nbsp;<br />呃呃<img src="file:///D:/temp/S-1-5-~1/temp/]F{S%KHON132NOE`VB([Z[2.gif" alt="" />&nbsp;&nbsp;<br />品(466291086)&nbsp;11:15:37&nbsp;<br />下了&nbsp;&nbsp;&nbsp;看老师无聊<img src="file:///D:/temp/S-1-5-~1/temp/52W[C~~FFQ[27)18U93ZOWB.gif" alt="" />&nbsp;&nbsp;<br />ITGrit[C/C++&nbsp;MFC](286715286)&nbsp;11:16:02&nbsp;<br />上当了&nbsp;<br />品(466291086)&nbsp;11:16:19&nbsp;<br />呵呵&nbsp;&nbsp;<br />cuiwow(157808076)&nbsp;11:16:55&nbsp;<br />表达式可以当左值么?<br />ITGrit[C/C++&nbsp;MFC](286715286)&nbsp;11:17:15&nbsp;<br />a++&nbsp;返回是有值&nbsp;<br />ITGrit[C/C++&nbsp;MFC](286715286)&nbsp;11:17:21&nbsp;<br />悲剧&nbsp;<br />cuiwow(157808076)&nbsp;11:17:38&nbsp;<br />呃&nbsp;是么<br />品(466291086)&nbsp;11:17:42&nbsp;<br /><img src="file:///D:/temp/S-1-5-~1/temp/S)YLEQANPE}LG]K8ZBSL6IU.gif" alt="" />&nbsp;&nbsp;<br />品(466291086)&nbsp;11:18:01&nbsp;<br />还是这牛&nbsp;&nbsp;<br />品(466291086)&nbsp;11:18:14&nbsp;<br />怎么可以呢&nbsp;&nbsp;<br />ITGrit[C/C++&nbsp;MFC](286715286)&nbsp;11:21:25&nbsp;<br />++a返回的也不是左值?&nbsp;<br />ITGrit[C/C++&nbsp;MFC](286715286)&nbsp;11:21:42&nbsp;<br />???&nbsp;<br />cuiwow(157808076)&nbsp;11:21:55&nbsp;<br />表达式不都是右值么<br />ITGrit[C/C++&nbsp;MFC](286715286)&nbsp;11:22:18&nbsp;<br />哦?那我搞错了&nbsp;<br />醉里笑紅尘□(464469131)&nbsp;11:23:21&nbsp;<br />右值左传!</div>
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<div><strong>那么什么是左值和右值呢</strong></div>
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<p>&nbsp; &nbsp;通俗的讲,左值就是能够出现在赋值符号左面的东西,而右值就是那些可以出现在赋值符号右面的东西了。</p>
<p>举个很简单的例子:</p>
<p>a=b+100;</p>
<p>那么这里a就是左值,b+25就是一个右值。左值和右值之间是不一定都能互换的,上面的这个例子就是不能互换的,如果写成</p>
<p>b+100=a;</p>
<p>大家都能看出来这样写会不编译通过的,因为编译器无法判断b+100的内存地址,所以不能操作。</p>
<p>看了这个例子,可以做一个总结,左值必须应该是一个变量或者是表达式等,但是它的物理位置是可以确定的,而右值不一定,这也是它们两者之间的区别。</p>
<p>关于左值是表达式的例子有数组,还有指针这些都可以。</p>
<p>int array[10];</p>
<p>int a=5;</p>
<p>array[a+3]=10; //这里左值就是一个数组表达式了</p>
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<p>另外:<a id="AjaxHolder_Comments_CommentList_ctl03_NameLink" target="_blank">liotta</a>朋友给了一些其他方面的提示 (左值右值翻译可能有些问题)</p>
<div><strong>错了,没有什么左值和右值!<br />翻译害人不浅,</strong><br />L-value中的L指的是Location,表示可寻址。The "l" in lvalue can be though of as location<br />R-value中的R指的是Read,表示可读。The "r" in rvalue can be thought of as "read" value. &nbsp;&nbsp;</div>
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