<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[shixiu_computer的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/shixiu_computer</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; shixiu_computer]]></copyright><item><title><![CDATA[把不定长度的字符串存入动态数组的方法]]></title><link>https://blog.youkuaiyun.com/shixiu_computer/article/details/79817272</link><guid>https://blog.youkuaiyun.com/shixiu_computer/article/details/79817272</guid><author>shixiu_computer</author><pubDate>Wed, 04 Apr 2018 15:46:09 +0800</pubDate><description><![CDATA[今天在给自己的String编写重载输入运算符&amp;gt;&amp;gt;的时候遇到了一个问题，即怎么知道该allocate多大的内存来存放输入的字符串，网上找了半天，要么是说保存在标准库的string里，然后根据string的大小来allocate（这样我还自己编写String干嘛……）；要么是和vector似的先allocate一段内存，不够了就reallocate然后挪过去，感觉既麻烦又效率低。联想到之前...]]></description><category></category></item><item><title><![CDATA[c++primer13章4节的一点疑问]]></title><link>https://blog.youkuaiyun.com/shixiu_computer/article/details/79785311</link><guid>https://blog.youkuaiyun.com/shixiu_computer/article/details/79785311</guid><author>shixiu_computer</author><pubDate>Mon, 02 Apr 2018 10:53:31 +0800</pubDate><description><![CDATA[小白最近啃c++primer遇到了一点问题，网上查了半天也没找到解答，希望能有大神解惑下。在中文版的13.4节拷贝控制示例，462页中save和remove成员，save调用了addMsg函数，代码如下：void Message::save(Folder&amp;amp; f)
{
 folders.insert(&amp;amp;f);
 f.addMsg(this);
}save调用了函数而不是直接调用mes...]]></description><category></category></item></channel></rss>