<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[peerless1024的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/peerless1024</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; peerless1024]]></copyright><item><title><![CDATA[linux 下查看机器是几核的]]></title><link>https://blog.youkuaiyun.com/peerless1024/article/details/79103946</link><guid>https://blog.youkuaiyun.com/peerless1024/article/details/79103946</guid><author>peerless1024</author><pubDate>Fri, 19 Jan 2018 10:36:11 +0800</pubDate><description><![CDATA[linux 下查看机器是cpu是几核的 
几个cpumore /proc/cpuinfo |grep “physical id”|uniq|wc -l每个cpu是几核（假设cpu配置相同）more /proc/cpuinfo |grep “physical id”|grep “0”|wc -lcat /proc/cpuinfo | grep processor
查看物理CPU的个数
# cat /p]]></description><category></category></item><item><title><![CDATA[Ubuntu配置php环境]]></title><link>https://blog.youkuaiyun.com/peerless1024/article/details/78483212</link><guid>https://blog.youkuaiyun.com/peerless1024/article/details/78483212</guid><author>peerless1024</author><pubDate>Wed, 08 Nov 2017 21:00:20 +0800</pubDate><description><![CDATA[安装 apache2 mysql-server-5.6 php5 
php5-cli php5-mysql php5-mcrypt php5-curl检查php版本： 
php -v检查登录mysql: 
mysql -uroot -p检查Apache： 
sudu lsof -i4 -Ln 
ps aux | grep apache2 
sudo netstat -anop | grep apac]]></description><category></category></item><item><title><![CDATA[APUE-umask&chmod]]></title><link>https://blog.youkuaiyun.com/peerless1024/article/details/78405498</link><guid>https://blog.youkuaiyun.com/peerless1024/article/details/78405498</guid><author>peerless1024</author><pubDate>Tue, 31 Oct 2017 17:03:38 +0800</pubDate><description><![CDATA[umask示例4-9：#include "apue.h"
#include <fcntl.h>
#define RWRWRW (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH)
int main(void)
{
    umask(0);
    if (creat("foo", RWRWRW) < 0)
        err_sys("creat]]></description><category></category></item><item><title><![CDATA[APUE-4.3打印文件类型]]></title><link>https://blog.youkuaiyun.com/peerless1024/article/details/78394925</link><guid>https://blog.youkuaiyun.com/peerless1024/article/details/78394925</guid><author>peerless1024</author><pubDate>Mon, 30 Oct 2017 17:07:43 +0800</pubDate><description><![CDATA[创建文件4.3_file_types.c，内容为#include <sys/types.h>
#include <sys/stat.h>
#include "apue.h"
int main(int argc, char *argv[]) {
    int i;
    struct stat buf;
    char *ptr;
    for (i = 1; i < argc; i++) {]]></description><category></category></item><item><title><![CDATA[APUE-用fcntl函数对指定的描述符打印和开启文件标志]]></title><link>https://blog.youkuaiyun.com/peerless1024/article/details/78393913</link><guid>https://blog.youkuaiyun.com/peerless1024/article/details/78393913</guid><author>peerless1024</author><pubDate>Mon, 30 Oct 2017 15:54:11 +0800</pubDate><description><![CDATA[创建3.11_print_file_flags.c
#include <sys/types.h>
#include <fcntl.h>
#include "apue.h"
int main(int argc, char *argv[]) {
    int accmode, val;
    if (argc != 2)
        err_quit("usage: 3.11_print_fil]]></description><category></category></item><item><title><![CDATA[APUE-3.2创建一个具有空洞的文件]]></title><link>https://blog.youkuaiyun.com/peerless1024/article/details/78390802</link><guid>https://blog.youkuaiyun.com/peerless1024/article/details/78390802</guid><author>peerless1024</author><pubDate>Mon, 30 Oct 2017 10:40:20 +0800</pubDate><description><![CDATA[创建文件Create_file_with_hole.c，内容为#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include "apue.h"
char buf1[] = "abcdefghij";
char buf2[] = "ABCDEFGHIJ";
int
main(void) {
    int fd;]]></description><category></category></item><item><title><![CDATA[APUE-输入和输出]]></title><link>https://blog.youkuaiyun.com/peerless1024/article/details/78320470</link><guid>https://blog.youkuaiyun.com/peerless1024/article/details/78320470</guid><author>peerless1024</author><pubDate>Mon, 23 Oct 2017 16:46:37 +0800</pubDate><description><![CDATA[stdin stdout实验1-4 将标准输入复制到标准输出// 1-4 将标准输入复制到标准输出
#include "apue.h"
#define BUFFSIZE 4096
int main(void) {
    int n;
    char buf[BUFFSIZE];
    while ( (n = read(STDIN_FILENO, buf, BUFFSIZE)) > 0)]]></description><category></category></item><item><title><![CDATA[数据表的创建与管理]]></title><link>https://blog.youkuaiyun.com/peerless1024/article/details/78250800</link><guid>https://blog.youkuaiyun.com/peerless1024/article/details/78250800</guid><author>peerless1024</author><pubDate>Mon, 16 Oct 2017 16:05:23 +0800</pubDate><description><![CDATA[/*******  
实验01 数据表的创建与管理  
*******/  
/*  
【实验内容】  
1.数据表的创建  
创建“用户表”Users  
*/  
CREATE TABLE Users(  
UserName varchar(20) identity(1,1) PRIMARY KEY,  
UserPassword varchar(6),  
UserSex char(2),]]></description><category></category></item><item><title><![CDATA[编译和使用apue.3e源码并实现第一个ls.c程序]]></title><link>https://blog.youkuaiyun.com/peerless1024/article/details/78250584</link><guid>https://blog.youkuaiyun.com/peerless1024/article/details/78250584</guid><author>peerless1024</author><pubDate>Mon, 16 Oct 2017 15:51:17 +0800</pubDate><description><![CDATA[解压源码tar  -zxvf  src.3e.tar.gz
编译make
出现/usr/bin/ld: cannot find -lbsd 错误
解决方法：添加libbsd.a的静态链接库 sudo apt-get install libbsd-dev
再次make则成功make
安装apue.h文件及其对应的静态链接库libapue.a，libapue.a是apue.h头文件中包含的所有函数及宏定]]></description><category></category></item><item><title><![CDATA[[笔记]利用Webhook实现coding上的代码自动部署到Centos7服务器上]]></title><link>https://blog.youkuaiyun.com/peerless1024/article/details/78098394</link><guid>https://blog.youkuaiyun.com/peerless1024/article/details/78098394</guid><author>peerless1024</author><pubDate>Tue, 26 Sep 2017 16:00:56 +0800</pubDate><description><![CDATA[centos7上的nginx服务器配置远程控制服务器我参考的网址ssh root@192.16.1.148
//@ 左边的 root 是连接时使用的用户的名字，@ 右边的数字是你的服务器的 IP 地址添加新用户并设置密码adduser www passwd www 分配root权限gpasswd -a wanghao wheelvi /etc/sudoers
//找到root  ALL=(ALL)]]></description><category></category></item><item><title><![CDATA[从学习SaaS引申学习的一些关键词概念]]></title><link>https://blog.youkuaiyun.com/peerless1024/article/details/77989586</link><guid>https://blog.youkuaiyun.com/peerless1024/article/details/77989586</guid><author>peerless1024</author><pubDate>Fri, 15 Sep 2017 11:15:34 +0800</pubDate><description><![CDATA[SaaS模式是什么定义SaaS是Software-as-a-service（软件即服务）。SaaS在业内的叫法是软件运营，或称软营。是一种基于互联网提供软件服务的应用模式。Docker定义Docker 是一个开源的应用容器引擎，让开发者可以打包他们的应用以及依赖包到一个可移植的容器中，然后发布到任何流行的 Linux 机器上，也可以实现虚拟化。容器是完全使用沙箱机制，相互之间不会有任何接口。组成
d]]></description><category></category></item><item><title><![CDATA[实验07  触发器]]></title><link>https://blog.youkuaiyun.com/peerless1024/article/details/68070341</link><guid>https://blog.youkuaiyun.com/peerless1024/article/details/68070341</guid><author>peerless1024</author><pubDate>Wed, 29 Mar 2017 19:47:10 +0800</pubDate><description><![CDATA[/**********************
实验07  触发器
**********************/--【实验内容】
--1.为Users表创建一个触发器，不允许插入名为admin或“管理员”的用户，也不允许将用户名改为admin或“管理员”
--AFTER
CREATE TRIGGER Insert_Or_Update_After_UserAdmin
ON USERS
AFTER I]]></description><category></category></item><item><title><![CDATA[实验06.1 数据库的安全性]]></title><link>https://blog.youkuaiyun.com/peerless1024/article/details/68070290</link><guid>https://blog.youkuaiyun.com/peerless1024/article/details/68070290</guid><author>peerless1024</author><pubDate>Wed, 29 Mar 2017 19:45:54 +0800</pubDate><description><![CDATA[/**********************
实验06.1 数据库的安全性
***********************/
1.创建数据库登录账号
CREATE LOGIN wl 
WITH PASSWORD='Admin123',
DEFAULT_DATABASE = NetMusicShop/*
2.管理数据库用户
创建数据库用户
*/
CREATE USER u1 FOR LOGIN wl]]></description><category></category></item><item><title><![CDATA[实验05  视图的创建与管理]]></title><link>https://blog.youkuaiyun.com/peerless1024/article/details/68070233</link><guid>https://blog.youkuaiyun.com/peerless1024/article/details/68070233</guid><author>peerless1024</author><pubDate>Wed, 29 Mar 2017 19:44:52 +0800</pubDate><description><![CDATA[/***********************
实验05  视图的创建与管理
***********************/
/*
【实验内容】1、商家开展“买200赠100”的促销活动，为一次购买某专辑总价格在200元（含）以上的用户的会员卡充值100元。
UPDATE Users*/
SET UserAdvancePayment = UserAdvancePayment + 100
WHER]]></description><category></category></item><item><title><![CDATA[教务管理数据库的创建]]></title><link>https://blog.youkuaiyun.com/peerless1024/article/details/68070198</link><guid>https://blog.youkuaiyun.com/peerless1024/article/details/68070198</guid><author>peerless1024</author><pubDate>Wed, 29 Mar 2017 19:44:05 +0800</pubDate><description><![CDATA[学生表：学号，姓名，性别 
课程表：课程号，课程名 
选课表：学号，课程号，分数CREATE DATABASE JWGLUSE [JWGL]
GO
/****** Object:  Table [dbo].[Course]    Script Date: 05/14/2015 13:21:03 ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON]]></description><category></category></item><item><title><![CDATA[实验04 存储过程]]></title><link>https://blog.youkuaiyun.com/peerless1024/article/details/68068431</link><guid>https://blog.youkuaiyun.com/peerless1024/article/details/68068431</guid><author>peerless1024</author><pubDate>Wed, 29 Mar 2017 18:54:21 +0800</pubDate><description><![CDATA[–创建一个名为upGetGradeLevels的存储过程：  
–既有输入又有输出，给出课程名称，统计输出该课程的各分数段人数。 
–执行该存储过程，用参数’英语’加以测试。 USE JWGL 
GO 
if exists ( select*from sys.objects where name =’upGetGradeLevels’ and type=’p’) 
begin 
   drop pr]]></description><category></category></item><item><title><![CDATA[实验03 多值查询和嵌套查询]]></title><link>https://blog.youkuaiyun.com/peerless1024/article/details/68068395</link><guid>https://blog.youkuaiyun.com/peerless1024/article/details/68068395</guid><author>peerless1024</author><pubDate>Wed, 29 Mar 2017 18:52:31 +0800</pubDate><description><![CDATA[–【实验内容】–（3）在购买了歌手刘欢专辑的客户中查询购买数量最多的客户。 
–参考代码1：用单值子查询。 
SELECT UserName 
FROM Orders 
WHERE OrderID IN( 
     SELECT OrderID  
     FROM Album,Sale 
     WHERE Album.AlbumID=Sale.AlbumID AND AlbumSinger]]></description><category></category></item><item><title><![CDATA[实验02  数据查询]]></title><link>https://blog.youkuaiyun.com/peerless1024/article/details/68068366</link><guid>https://blog.youkuaiyun.com/peerless1024/article/details/68068366</guid><author>peerless1024</author><pubDate>Wed, 29 Mar 2017 18:50:50 +0800</pubDate><description><![CDATA[/******* 
实验02  数据查询 
*******/【实验内容】 
USE NetMusicShop0.准备工作 
（1）设置Users表的UserPassword列不能为空。 
ALTER TABLE Users ALTER COLUMN UserPassword varchar(6) NOT NULL–（2）建立歌曲表Songs和收藏表Collections。 
CREATE TABLE]]></description><category></category></item><item><title><![CDATA[排序总结]]></title><link>https://blog.youkuaiyun.com/peerless1024/article/details/68067511</link><guid>https://blog.youkuaiyun.com/peerless1024/article/details/68067511</guid><author>peerless1024</author><pubDate>Wed, 29 Mar 2017 17:31:16 +0800</pubDate><description><![CDATA[#define MAXSIZE    20  //一个用作示例的小顺序表的最大长度 
typedef int KeyType;//定义关键字类型为整数类型
typedef struct {
           KeyType    key;              //关键字项
           InfoType    otherinfo;   //其他数据项
} RedType;]]></description><category></category></item><item><title><![CDATA[2路插入排序]]></title><link>https://blog.youkuaiyun.com/peerless1024/article/details/68067331</link><guid>https://blog.youkuaiyun.com/peerless1024/article/details/68067331</guid><author>peerless1024</author><pubDate>Wed, 29 Mar 2017 17:18:23 +0800</pubDate><description><![CDATA[//请写出2路插入排序的算法，并将对应的程序调试运行通过
#include<stdio.h>
#include<stdlib.h>
#define N 100
void insert_sort(int a[], int n);
int main(){
    int a[N];
    int num;
    printf("请逐一输入您需排序的数据总数：（小于100）");
    scanf(]]></description><category></category></item></channel></rss>