practice of programming

C ++ Programming Practice Guidance 1.14 Implementation of string cross insertion rewrite requirements, Programming Practice 1.14 # Include # Include # Include Using namespace std;Class STRING{Char * str1;Char * str2;Public:STRING (char * s1, char * s2){Str1 = new char [strlen (s1)];Str2 = new char [strlen (s2)];Strcpy

"Original Hadoopspark hands-on Practice 10" Spark SQL Programming Basics and hands-on practice (bottom)Goal:1. Deep understanding of the principles of spark SQL programming2. Use simple commands to verify how spark SQL works3. Use a complete case to verify how spark SQL works, and actually do it yourself4. Successful completion of "basketball player evaluation Sy

[JAVA concurrent programming practice] 3. Synchronization container and java practice The synchronization containers include Vector and Hashtable, and some are created by factory methods such as Collections. synchronizedXxx. 1. Synchronization container Problems Synchronization containers are thread-safe, but sometimes the client needs to be locked to protect c

C ++ Programming Practice Guidance 1.10 two-dimensional array element transposition rewrite requirements implementation, Program Design Practice 1.10 Rewrite requirement 1: rewrite to store two-dimensional arrays with single-chain tables and two-way linked lists Rewrite requirement 2: add the function SingleLinkProcess () to swap the maximum node and header node

Python data visualization programming practice-import data, python practice 1. import data from a csv file Principle: The with statement opens the file and binds it to object f. You don't have to worry about shutting down data files after operating the resources. The with context manager will help you. Then, the csv. reader () method returns the reader object, wh

my github Address: Https://github.com/CNhoward/Accerlerated-C-plus-plus10-0. Compile, execute, and test the programs in this chapter.Ans: See GitHub.10-1. Rewrite the student-grading program from§9.6/166 to generate letter grades.Ans: See GitHub.10-2. Rewrite the median function from§8.1.1/140 So, we can call it with either a vector or a built-in array. The function should allow containers of any arithmetic type.Ans: See GitHub.10-3. Write a test program to verify that the median function opera

C ++ Program Design Practice Guidance 1.13 realization of requirements for modifying natural data sets, and programming practice 1.13 Rewrite requirement 1: using a single-chain table Rewrite requirement 2: delete the linked list node in sequence in the destructor #include

C ++ Programming Practice Guide 1.15 find out the implementation of the rewriting requirements of the number of input files, and program design practice 1.15 Rewrite requirement 1: using a single-chain table #include

[JAVA concurrent programming practice] 9. Lock segmentation and java practice Package cn. study. concurrency. ch11;/*** lock segmentation * @ author xiaof **/public class StripedMap {// synchronization policy: locks the array in segments, n nodes use the n % LOCKS lock to protect private static final int N_LOCKS = 16; private final Node [] buckets; private final

[JAVA concurrent programming practice] 8. Lock sequence deadlock and java practice Package cn. study. concurrency. ch10; public class Account {private String staffAccount; // Account private String passWord; // passWord private int balance; // Account balance public Account (int money) {this. balance = money;} public String getStaffAccount () {return staffAccount

is written to the throw an exception if a user tried to calculate a grade for a Student_info object whose Val UEs had not yet been read. Users who care is expected to catch this exception. Write A program this triggers the exception but does not catch it. Write a program, that catches the exception.Ans: See GitHub.9-4. Rewrite your program from the previous exercise valid the function, thereby avoiding the exception altogether.Ans: See GitHub.9-5. Write a class and associated functions to gener

[JAVA concurrent programming practice] 10. concurrent program testing and java practice1. Generate a random number Package cn. study. concurrency. ch12; public class Util {public static int xorShift (int y) {// shift left and unsigned right, and last XOR operation (XOR, if the two bits are different, the value is 1; otherwise, the value is 0) y ^ = (y 2. cache queue Package cn. study. concurrency. ch12;

[JAVA concurrent programming practice] 11. Implementation of bounded cache and java practice1. bounded cache base class Package cn. xf. cp. ch14;/*** function: bounded cache implementation base class * Time: 2:20:00 * file: BaseBoundedBuffer. java * @ author Administrator ** @ param 2. Determine the prerequisites before performing the operation Package cn. xf. cp. ch14;/*** function: checks the insert and

[Unity3d ARPG online game Programming practice]Want to kill, Baidu has a half-day also do not know how to write local services, the results of the server in the resources can be used ~ ~ ~ (>_Two methods are used1 This method particularly depressed, own write server, own write client can communicate. But this server used in [Unity3d ARPG Network Game Programming

Linux C programming practice (2 )?? File System Programming 1. Linux file system Linux supports multiple file systems, such as ext, ext2, minix, iso9660, msdos, fat, vfat, and nfs. At the upper layer of these specific file systems, Linux provides a virtual file system (VFS) for unification... Linux C programming

Linux Shell script programming learning notes and practice, Script Programming learning notes Http://www.1987.name/141.html Shell Basics Terminal printing, arithmetic operations, common variables Search for specific strings in a specified directory in Linux and highlight matching keywords Obtain the standard input [read command] from the keyboard or file Fil

truncation is attached:int main () {int SOCKFD = socket (af_inet, SOCK_DGRAM, 0); if (SOCKFD = =-1) err_exit ("Socket error"); struct sockaddr_in servaddr; servaddr.sin_family = af_inet; SERVADDR.SIN_ADDR.S_ADDR = htonl (Inaddr_any); Servaddr.sin_port = htons (8001); if (Bind (SOCKFD, (const struct sockaddr *) servaddr, sizeof (servaddr)) = =-1) err_exit ("Bind error"); Send yourself data if (SendTo (SOCKFD, "ABCDE", 5, 0, (const struct sockaddr *) servaddr, siz

representative long;*/Test conversion result int main () { int localedata = 0x12345678; Char *p = (char *) localeData; printf ("Begin:%0x%0x%0x%0x\n", p[0], p[1], p[2], p[3]); Convert local bytes to network byte int inetdata = htonl (localedata); p = (char *) inetData; printf ("After:%0x%0x%0x%0x\n", p[0], p[1], p[2], p[3]); if (p[0] = = 0x12) cout Address Translation Functions ( for IP address translation )#include IN_ADDR is defined as follows: typedef uint32_t

Winpcap network programming 10-Winpcap practice, two hosts communicate through the intermediate host, winpcap Network Programming Note: I will not make this blog completely public if I reach out to the party, the source code, and so on. This article provides some ideas for network programming or curriculum design .. Ok

Linux C Programming Practice (2) -File System Programming 1. Linux File System Linux supports multiple file systems, such as ext, ext2, minix, iso9660, msdos, fat, vfat, and nfs. On the upper layer of these file systems, Linux provides virtual File Systems (VFS) are used to unify their behaviors. Virtual File systems provide consistent interfaces for communicati