<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[diyesu4243的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/diyesu4243</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; diyesu4243]]></copyright><item><title><![CDATA[docker 云主机操作]]></title><link>https://blog.youkuaiyun.com/diyesu4243/article/details/101735969</link><guid>https://blog.youkuaiyun.com/diyesu4243/article/details/101735969</guid><author>diyesu4243</author><pubDate>Tue, 24 Sep 2019 16:09:00 +0800</pubDate><description><![CDATA[docker 云主机



云主机操作



转载于:https://www.cnblogs.com/wwqdata/p/11578891.html]]></description><category></category></item><item><title><![CDATA[计算机系统与云计算（转载） 浮点数]]></title><link>https://blog.youkuaiyun.com/diyesu4243/article/details/101735964</link><guid>https://blog.youkuaiyun.com/diyesu4243/article/details/101735964</guid><author>diyesu4243</author><pubDate>Tue, 17 Sep 2019 20:33:00 +0800</pubDate><description><![CDATA[http://cenalulu.github.io/linux/about-denormalized-float-number/
一个有趣的实验
本文从一个有趣而诡异的实验开始。最早这个例子博主是从Stackoverflow上的一个问题中看到的。为了提高可读性，博主这里做了改写，简化成了以下两段代码：
#include &lt;iostream&gt;
#include &lt...]]></description><category></category></item><item><title><![CDATA[算法导论 第二章 算法基础]]></title><link>https://blog.youkuaiyun.com/diyesu4243/article/details/101735957</link><guid>https://blog.youkuaiyun.com/diyesu4243/article/details/101735957</guid><author>diyesu4243</author><pubDate>Sat, 14 Sep 2019 20:54:00 +0800</pubDate><description><![CDATA[算法导论 第二章 算法基础
1.示例
INSERTION-SORT(A)
for j=2 to A.length
   key=A[j]//要插入的元素A[j]
  //insertion A[j] into sequence A[1,2,...,j-1].
  i=j-1//从第j-1个元素开始逐一比对
  for i&gt;0 and key&l...]]></description><category></category></item><item><title><![CDATA[深入理解计算机系统作业]]></title><link>https://blog.youkuaiyun.com/diyesu4243/article/details/101735955</link><guid>https://blog.youkuaiyun.com/diyesu4243/article/details/101735955</guid><author>diyesu4243</author><pubDate>Fri, 13 Sep 2019 20:37:00 +0800</pubDate><description><![CDATA[/*  * bitAnd - x&amp;y using only ~ and |  *   Example: bitAnd(6, 5) = 4 *   Legal ops: ~ | *   Max ops: 8 *   Rating: 1 */int bitAnd(int x, int y) {	z=~(~x|~y);	return z;}//demorgan 律/*  * getBy...]]></description><category></category></item><item><title><![CDATA[数据结构 C++冒泡排序  数组当参数传递 countOnes 幂函数算法2^n]]></title><link>https://blog.youkuaiyun.com/diyesu4243/article/details/101735954</link><guid>https://blog.youkuaiyun.com/diyesu4243/article/details/101735954</guid><author>diyesu4243</author><pubDate>Thu, 12 Sep 2019 21:47:00 +0800</pubDate><description><![CDATA[冒泡排序#include &lt;iostream&gt;using namespace std;void bubblesort1A(int A[],int n);int main() {    int A[10]={0},n=0,i=0;    cin&gt;&gt;n;    for( i=0;i&lt;n;i++)        cin&gt;&gt;A[i];    bubble...]]></description><category></category></item><item><title><![CDATA[计算机系统与云计算 书本P39 练习2.13]]></title><link>https://blog.youkuaiyun.com/diyesu4243/article/details/101735965</link><guid>https://blog.youkuaiyun.com/diyesu4243/article/details/101735965</guid><author>diyesu4243</author><pubDate>Wed, 11 Sep 2019 11:32:00 +0800</pubDate><description><![CDATA[练习2.1320世纪70年代末至80年代末，DigitalEquipment的VAX计算机是一种非常流行的机型。它没有布尔运算AND和OR指令，仅仅有bis（位设置）和bic（位清除）这两种指令。两种指令的输入都是一个数据字x和一个掩码字m。

他们生成一个结果z。z是有依据掩码m的位来改动x的位得到的。使用bis指令。能够在m为1的每一个位置上，将z相应的位置设为1。

使用b...]]></description><category></category></item><item><title><![CDATA[计算机系统与云计算2]]></title><link>https://blog.youkuaiyun.com/diyesu4243/article/details/101735962</link><guid>https://blog.youkuaiyun.com/diyesu4243/article/details/101735962</guid><author>diyesu4243</author><pubDate>Tue, 10 Sep 2019 16:40:00 +0800</pubDate><description><![CDATA[1.编程习惯
代码不要写中文。
只能用局部变量，不能用全局变量。
单目操作符：~按位取反 !取反
双目操作符 与 或 非 加 移位
2.复习
1.Shell 包裹内核的壳
2.Kernel 内核
每个操作系统都有一个内核
不与程序交互
function：系统调用：提供函数 e.g file open
                ...]]></description><category></category></item><item><title><![CDATA[数据结构1 C++类的编写的注意事项]]></title><link>https://blog.youkuaiyun.com/diyesu4243/article/details/101735963</link><guid>https://blog.youkuaiyun.com/diyesu4243/article/details/101735963</guid><author>diyesu4243</author><pubDate>Sat, 07 Sep 2019 22:17:00 +0800</pubDate><description><![CDATA[int main(){    Line line(10.0);    cout&lt;&lt;" "&lt;&lt;line.getLength()&lt;&lt;endl;    line.setLength(6.0);    cout&lt;&lt;" "&lt;&lt;line.getLength()&lt;&lt;endl;    return 0;};注意主函数中需先声明lin...]]></description><category></category></item><item><title><![CDATA[数据结构1 引用传递及引用e.g.int &b=c]]></title><link>https://blog.youkuaiyun.com/diyesu4243/article/details/101735961</link><guid>https://blog.youkuaiyun.com/diyesu4243/article/details/101735961</guid><author>diyesu4243</author><pubDate>Thu, 05 Sep 2019 21:47:00 +0800</pubDate><description><![CDATA[1.引用传递
#include&lt;iostream&gt;using namespace std;int cubeByRef( int&amp; );int main(){	int number=5;		int result;	cout&lt;&lt;"number="&lt;&lt;number&lt;&lt;endl;	result=cubeByRef(number);	cou...]]></description><category></category></item><item><title><![CDATA[计算机系统与云计算1续  ubuntu编写C程序 查看汇编文件 生成反汇编文件]]></title><link>https://blog.youkuaiyun.com/diyesu4243/article/details/101735960</link><guid>https://blog.youkuaiyun.com/diyesu4243/article/details/101735960</guid><author>diyesu4243</author><pubDate>Wed, 04 Sep 2019 16:32:00 +0800</pubDate><description><![CDATA[ubuntu编写C程序
root@  :~# touch flow.croot@  :~# vim flow.croot@  :~# gcc flow.cflow.c: In function ‘main’:flow.c:5:13: warning: integer overflow in expression [-Woverflow]  int b=50000*50000...]]></description><category></category></item><item><title><![CDATA[计算机系统与云计算1]]></title><link>https://blog.youkuaiyun.com/diyesu4243/article/details/101735959</link><guid>https://blog.youkuaiyun.com/diyesu4243/article/details/101735959</guid><author>diyesu4243</author><pubDate>Wed, 04 Sep 2019 10:56:00 +0800</pubDate><description><![CDATA[1.有CPU和内存就是计算机
2.固态硬盘SSD 持久存储
3.src是源代码
4.文件是被命名的二进制的串
5.控制台上写东西如printf
6.scanf从标准输入（键盘）来读，标准输出（显示器）
7.stdin/stdout 即stdio
8.出错时 stderror
9.r w x 可读 可写 可执行
10.第一位是d的表示是目录（directory）
一组...]]></description><category></category></item></channel></rss>