#include <stdio.h> void main() { ] = {}; printf(]); printf("\n"); printf("a[1] = 0x%x\n",a + sizeof(int)); //A printf(] + ); //B printf(); //C printf("a[1] = 0x%x\n",(int* )((char*)&a + sizeof(int))); //D } 问,A,B,C,…
1.指针数组: 即 数组的元素是指针型; 例:int*pa[2]; 明明是一维的指针数组.竟当作二维数组用. [cpp] view plain copy //利用指针数组存放单位矩阵 #include <iostream> using namespace std; void main() { int line1[]={1,0,0}; //声明数组,矩阵的第一行 int line2[]={0,1,0}; //声明数组,矩阵的第二行 int line3[]={0,0,1}; //声明数组.矩阵的第…
1Z0-053 争议题目解析86 考试科目:1Z0-053 题库版本:V13.02 题库中原题为: 86.Your production database is running in archivelog mode and you are using recovery manager (RMAN) with recovery catalog to perform the database backup at regular intervals. When you attempt to resta…
1Z0-053 争议题目解析154 考试科目:1Z0-053 题库版本:V13.02 题库中原题为: 154.A database is running in ARCHIVELOG mode and regular backups are performed. A user receives the following error message: Which is the recommended sequence of operations you need to perform for th…
1Z0-053 争议题目解析481 考试科目:1Z0-053 题库版本:V13.02 题库中原题为: 481.Which statement is true about a running session that belongs to the online transaction processing (OLTP) group? A. It permanently switches to the low_group consumer group if the session exceeds 1…
1Z0-053 争议题目解析684 考试科目:1Z0-053 题库版本:V13.02 题库中原题为: 684.Your database is running in ARCHIVELOG mode. You have been taking backups of all the data files and control files regularly. You are informed that some important tables in the BILLING tablespace…
1Z0-053 争议题目解析686 考试科目:1Z0-053 题库版本:V13.02 题库中原题为: 686.You execute the following FLASHBACK TABLE command: FLASHBACK TABLE emp TO TIMESTAMP TO_TIMESTAMP('2008-01-04 11:00:00', 'YYYY-MM-DD HH24:MI:SS'); Which two statements are correct?(Choose two.) A.…
1Z0-053 争议题目解析699 考试科目:1Z0-053 题库版本:V13.02 题库中原题为: 699.Your database is using a default temporary tablespace that contains the temp01.tmp temporary file. All the users on the database use the default temporary tablspace. A user issues a query on the…
Tomjson,一个"短小精悍"的 json 解析库,tomjson使用Java语言编写,主要作用是把Java对象(JavaBean)序列化为json格式字符串,将json格式字符串序列化为相对应的Java对象(JavaBean).项目地址:https://github.com/luoxn28/tomjson.关于JSON更多信息请点击JSON-百度百科. 一些有名的json序列化相关的项目有gjson.fastjson和jackjson,其中LZ使用过fastjson,另外两个没有使…
01第一个OC 类 本文目录 • 一.语法简介 • 二.用Xcode创建第一个OC的类 • 三.第一个类的代码解析 • 四.添加成员变量 • 五.添加方法 • 六.跟Java的比较 • 七.创建对象 • 八.访问公共成员变量和方法说明:这个Objective-C专题,是学习iOS开发的前奏,也为了让有面向对象语言开发经验的程序员,能够快速上手Objective-C.如果你还没有编程经验,或者对Objective-C.iOS开发不感兴趣,请忽略.学习本专题之前,建议先学习C语言专题.OC是一门面向…
一. 高斯日记 大数学家高斯有个好习惯:无论如何都要记日记. 他的日记有个与众不同的地方,他从不注明年月日,而是用一个整数代替,比如:4210 后来人们知道,那个整数就是日期,它表示那一天是高斯出生后的第几天.这或许也是个好习惯,它时时刻刻提醒着主人:日子又过去一天,还有多少时光可以用于浪费呢? 高斯出生于:1777年4月30日. 在高斯发现的一个重要定理的日记上标注着:5343,因此可算出那天是:1791年12月15日. 高斯获得博士学位的那天日记上标着:8113 请你算出高斯获得博士学位的年…
题目1:煤球数目 有一堆煤球,堆成三角棱锥形.具体:第一层放1个,第二层3个(排列成三角形),第三层6个(排列成三角形),第四层10个(排列成三角形),....如果一共有100层,共有多少个煤球?请填表示煤球总数目的数字.注意:你提交的应该是一个整数,不要填写任何多余的内容或说明性文字. 解析: 第一层:1个. 第二层:2*3-3=3个. 第三层:3*3-3=6个. 第四层:4*3-3=10个. 代码如下: ,a=; ;i<=;i++){ a=a+i; s=s+a; } printf("%…
在某工程中,要求设置一绝对地址为0x67a9的整型变量的值为0xaa66.编译器是一个纯粹的ANSI编译器.写代码去完成这一任务. 解析:这一问题测试你是否知道为了访问一个绝对地址把一个整型数强制转换(typecast)为一个指针是合法的.这一问题的实现方式随着个人风格不同而不同.典型的代码如下: 一个较晦涩的方法是: 建议你在面试时使用第一种方案.答案:…
首先看一下题目,下列程序会在那一行崩溃,程序如下: #include<iostream> using namespace std; struct S{ int i; int *p; }; int main(){ S s; int *p = &s.i; p[0] = 4; p[1] = 3; s.p = p; s.p[1] = 1; s.p[0] =2; return 0; } 虽然程序很短,但想要理解清楚,还是不容易的,首先先来说几个知识点: 1.对于struct结构体来说,它所分配的…
11.01 子段和 题目大意 给定一个长度为 \(n\) 的序列 \(a\) ,\(a_i=\{ -1,0,1 \}\) ,需要将 \(a\) 中的 \(0\) 变为 \(1\) 或 \(-1\) ,使得序列 \(a\) 的最大子段绝对值和最小. \(1\le n \le 10^6\) 解析 考虑到何为最大子段绝对值和,其为 最大前缀和 \(-\) 最小前缀和 那么我们即需要将最小前缀和最大化的情况下让最大前缀和最小 或 让最大前缀和最小化的情况下让最小前缀和最大. 这里考虑第一种写法. 先让全…
1Z0-053 争议题目解析 Summary 题目NO. 题目解析链接地址 题库答案 参考答案 考查知识点  24 http://www.cnblogs.com/jyzhao/p/5319220.html  BCE  BCD  SQL Test Case Builder  25 http://www.cnblogs.com/jyzhao/p/5265330.html  D  CDE  Additional Flashback Operations  46 http://www.cnblogs.c…
1Z0-053 争议题目解析25 考试科目:1Z0-053 题库版本:V13.02 题库中原题为: 25.You enabled Flashback Data Archive on the INVENTORY table. Which DDL operation is supported on the table after enabling Flashback Data Archive? A. Drop the table. B. Partition the table C. Truncate…
1Z0-053 争议题目解析24 考试科目:1Z0-053 题库版本:V13.02 题库中原题为: 24.Which of the following information will be gathered by the SQL Test Case Builder for the problems pertaining to SQL-related problems? (Choose all that apply.) A. ADR diagnostic files B. all the opt…
1Z0-053 争议题目解析46 考试科目:1Z0-053 题库版本:V13.02 题库中原题为: 46.What happens when you run the SQL Tuning Advisor with limited scope? A. Access path analysis is not performed for SQL statements. B. SQL structure analysis is not performed for SQL statements. C. S…
1Z0-053 争议题目解析134 考试科目:1Z0-053 题库版本:V13.02 题库中原题为: 134.You are managing an Oracle Database 11g database. You want to take a backup on tape drives of the USERS tablespace that has a single data file of 900 MB. You have tape drives of 300 MB each. To a…
1Z0-053 争议题目解析175 考试科目:1Z0-053 题库版本:V13.02 题库中原题为: 175.You are peer reviewing a fellow DBAs backup plan for his NOARCHIVELOG mode database, as shown here: Put the tablespaces in backup mode. Back up the datafiles for all tablespaces. Take the tablesp…
1Z0-053 争议题目解析212 考试科目:1Z0-053 题库版本:V13.02 题库中原题为: 212.Note the following parameters settings in your database: SGA_MAX_SIZE = 1024M SGA_TARGET = 700M DB_8K_CACHE_SIZE = 124M LOG_BUFFER = 200M You issued the following command to increase the value of…
1Z0-053 争议题目解析304 考试科目:1Z0-053 题库版本:V13.02 题库中原题为: 304.What privileges must be granted to allow an account to create the recovery catalog? (Choose all that apply.) A. RECOVERY_CATALOG_OWNER B. DBA C. RESOURCE D. SELECT ANY DICTIONARY E. CONNECT Answe…
1Z0-053 争议题目解析314 考试科目:1Z0-053 题库版本:V13.02 题库中原题为: 314.Given the following RMAN commands, choose the option that reflects the order required to restore your currently operational ARCHIVELOG-mode database. A. restore database; B. recover database; C.…
1Z0-053 争议题目解析330 考试科目:1Z0-053 题库版本:V13.02 题库中原题为: 330.What will be the end result of this set of RMAN commands? shutdown abort startup mount restore datafile 4 until time ,,09/30/2008:15:00:00; recover datafile 4 until time ,,09/29/2008:15:00:00; al…
1Z0-053 争议题目解析346 考试科目:1Z0-053 题库版本:V13.02 题库中原题为: 346.What is the impact of the results of the output of the following command? RMAN>report unrecoverable database; Report of files that need backup due to unrecoverable operations File Type of Backup…
1Z0-053 争议题目解析419 考试科目:1Z0-053 题库版本:V13.02 题库中原题为: 419.In Oracle 11g, by default which one of the following conditions implicitly enables Automatic PGA Memory Management? A. Setting a nonzero value for SGA_TARGET B. Configuring Automatic Shared Memor…
1Z0-053 争议题目解析470 考试科目:1Z0-053 题库版本:V13.02 题库中原题为: 470.Which NLS parameter can be used to change the default Oracle sort method from binary to linguistic for the SQL SELECT statement? A. NLS_LANG B. NLS_COMP C. NLS_SORT D. None of the above Answer: D…
1Z0-053 争议题目解析486 考试科目:1Z0-053 题库版本:V13.02 题库中原题为: 486.You execute the following Recovery Manager (RMAN) commands in (he following order: BACKUP VALIDATE DATABAE RECOVER CORRUPTION LIST; Which (two tasks are performed by these commands? (Choose two.)…
1Z0-053 争议题目解析498 考试科目:1Z0-053 题库版本:V13.02 题库中原题为: 498.The database Is configured in ARCHIVELOG mode. The database needs to be up 24 X 7. You want to perform user managed backup for the data files of the HR_DATA tablespace. To accomplish the task, yo…