programming in c and c

... Polymorphism Achieved by creating and using virtual  functions Code making function call does not  explicitly state which function it is calling – C++ decides during execution which is correct  function ... Association of function call with a function Early binding – Occurs during compilation – Also called static or compile­time binding Late binding – Occurs during execution – Also called dynamic or run­time binding Lesson 15.5 ... when derived class object instantiated Bass class constructor called first, derived  constructor second Derived class destructor called first, base  class destructor second Order in which objects declared determines 

Ngày tải lên: 30/01/2020, 01:59

... Trang 18Constructor Initialization list which follows single colon written after header , … Trang 19a Constructor Function Cannot call like other member functions Can call constructor a second time for that object using an assignment statement ... (::) to immediately precede function name } Trang 11– Declaration of objects of a particular class  (instances) Lesson 8.2 Trang 13Class member function executed  automatically upon declaration of object Frequently used to initialize values of data members ... Cannot use storage class specifiers: auto, extern or register Can be objects of other classes Lesson 8.2 Trang 10Those not included inside class definition – Require class name and scope resolution operator 

Ngày tải lên: 30/01/2020, 02:18

... Address offirst object Trang 9Data structure created using linked list modelWith stack can perform only two fundamental operations Trang 10Two classes create stack – One class holds only data Same form as linked list ... 20Within function body there is call to  function with identical name and signatureBasic action which is repeated until it  reaches the final iteration of the basic action Lesson 16.5 ... Trang 1and Recursion Trang 5node Lesson 16.1 Trang 6Use two classes to create linked list – Node  class Holds only the data All data members public because no function  members – Second used to manipulate nodes

Ngày tải lên: 30/01/2020, 02:33

... cin >> c1 >> c2 >> c3; cin >> c4 >> c5; cin >> c6; cin >> c7 >> c8; af  d32(enter) k Keyboard Input c1 c2 c3 c4 c5 c6 c7 c8 a f d 3 2 h j w char c1,c2,c3,c4,c5,c6,c7,c8; Note: All whitespace ... cout << “Please enter your age.”<< endl; cin >> age; Trang 4Series of bytes in sequence Flow from device to device Objects are regions of storage in memory – Object used determines device stream comes  from or goes to – cin and cout are identifiers for objects defined  ... Reads next three characters typed at  keyboard Whitespace is NOT needed for separating  character data – if used, whitespace is ignored Lesson 4.4 Trang 13Lesson 4.4 cin >> c1 >> c2 >> c3; cin >> c4 >> c5;

Ngày tải lên: 30/01/2020, 05:17

... new socket using send() and r ecv ( ) 9 Close the client connection using c l o s e ( ) Creating the socket, sending, receiving, and closing are the same as in the client The differences in the ... getting new sockets, one for each client connection; the server then sends and receives on the new sockets The server gets a socket for an incoming client connection by calling accept () int accept(int ... s t r u c t sockaddr_in) When connect () returns successfully, the socket is connected and c o m m u n i c a t i o n can proceed with calls to send() and recv() int send(int socket, c o n s t

Ngày tải lên: 05/11/2012, 14:45

... = socket(ai->ai_family, ai->ai_socktype, ai->ai_protocol); Trang 24Accepting Connections#include <sys/types.h> #include <sys/socket.h> int connfd; struct sockaddr_in cliaddr; ... Error has occurred Trang 28Reading and Writing DataTrang 29Closing a Socket#include <unistd.h> close(fd); Close and destroy a socket Close the file descriptor for each connection, then ... structure to the address struct in6_addr { uint8_t s6_addr[16];}; struct sockaddr_in6 { uint8_t sin6_len; sa_family_t sin6_family; in_port_t sin6_port; uint32_t sin6_flowinfo; struct in6_addr

Ngày tải lên: 05/09/2013, 09:57

... 1Socket Programming in C/C++cSeptember 24, 2004 Trang 3Sockets are a protocol independent method of creating a connection between processes Sockets can be either I connection based or connectionless: ... connection is completed, thesocket is closed, and next connection can beaccepted Forking server: After an accept, a child process is forked off to handle the connection Variation: the child processesare ... build a concurrent server: I a fork is performed after the accept I The child process closes listenFd, and communicates usingconnectFd I The parent process closses connectFd, and then loops back tothe

Ngày tải lên: 15/03/2014, 17:20

... contain much code: using using using using using using using using using using using using System; System.Collections.Generic; System.Linq; System.Net; System .Windows; System .Windows. Controls; ... of conductors underneath the screen surface detects the change in capacitance caused by the presence of a finger on the surface. The touch screen hardware then works out where on the screen ... fetching data from memory, changing the data and then putting it back (which is really all computers do). The most popular speed measure in a computer is the clock speed. A CPU has a clock

Ngày tải lên: 17/03/2014, 13:20

... to use AF_INET in your struct sockaddr_in and PF_INET in your call to socket() But practically speaking, you can useAF_INET everywhere And, since that’s what W Richard Stevens does in his book, ... <sys/socket.h> #include <netinet/in.h> #include <arpa/inet.h> int inet_aton(const char *cp, struct in_addr *inp); And here’s a sample usage, while packing a struct sockaddr_in (this example will ... sockaddr_in can be cast to a pointer to a struct sockaddr and vice-versa So even thoughconnect() wants a struct sockaddr*, you can still use a struct sockaddr_in and cast it at the last minute!

Ngày tải lên: 19/03/2014, 13:41

... Application Switching and Development 218 Fast Application Switching and Design 219 9.3 Launchers and Choosers 219 Using a Launcher 220 Using a Chooser 222 9.4 Background Processing 223 Background ... Bat and Ball Game 186 Controlling Paddles Using the Touch Screen 188 Displaying Text 189 8.3 Player interaction in games 190 Getting Readings from the Accelerometer Class 191 Using the Accelerometer ... Application Switching 209 Task Navigation in Windows Phone 209 Understanding Fast Application Switching 210 The Windows Phone Application LifeCycle 211 Fast Application Switching in an application

Ngày tải lên: 23/03/2014, 22:21

... Serial Controller 149 Chapter 10. Optimizing Your Code 151 10.1 Increasing Code Efficiency 151 10.2 Decreasing Code Size 154 10.3 Reducing Memory Usage 156 10.4 Limiting the Impact of C+ + 157 ... running the same software in a simulator. If Programming Embedded Systems in C and C+ + - 44 - you should see is the C source code for main, with a cursor indicating that the embedded processor's ... The hardware-specific constant CYCLES_PER_MS represents the number of decrement -and- test cycles (nCycles != 0) that the processor can perform in a single millisecond. To determine this number...

Ngày tải lên: 17/03/2014, 13:20

... of Contents Abstract 5 1. Introduction 6 2. Conventions 7 3. Aspects of debugging C and C ++ code 8 Noticing and localising a bug 8 Understanding a bug 8 Repairing a bug 8 Types of bugs 9 C and ... example in the previous section. Another tool is Checker. The Checker tool uses it’s own version of gcc, checkergcc to include boundary checks in your code. It is probably better than Electric Fence, ... a piece of code that can be studied without executing that code. Static analysis can help in detecting a number of basic semantic problems such as type mismatches and dead code. For gcc (the GNU C...

Ngày tải lên: 21/01/2014, 06:20

... paired. 34 Dueling Containers in C+ + vector<Shape *> pic; pic.push_back( new Circle ); pic.push_back( new Triangle ); pic.push_back( new Square ); … list<Shape *> picture; picture.push_back( pic[2] ... C+ +, standard containers that contain pointers do not delete the objects to which the pointers refer. vector<Shape *> pic; pic.push_back( new Circle ); pic.push_back( new Triangle ); pic.push_back( ... twice. This problem can also happen when a chunk of memory is freed as a result of error processing but then freed again in the normal course of events. 32 Leaking Containers in C+ + In C+ +,...

Ngày tải lên: 08/03/2014, 11:20

... also console application; specific programs action, adding, 25–27 breaking, CD132–CD135 building and running, 18–20 console, creating, 29–31 converting class into, CD114–CD115 creating, 15 description ... 196 responding to, CD21–CD22 throwing, CD17–CD19 Exception class creating own, CD13–CD15 overriding, CD22–CD26 exception mechanism example of, CD10–CD13 overview of, CD9–CD10 exclamation point (!) operator, ... upchuck, 153 program. See also console application; specific programs action, adding, 25–27 breaking, CD132–CD135 building and running, 18–20 console, creating, 29–31 converting class into, CD114–CD115 creating,...

Ngày tải lên: 04/10/2013, 21:20