programming in ansi c by balagurusamy solutions

... the x-coordinate of the rectangle’s origin. In a similar manner, the fol- lowing expression retrieves the y-coordinate of the rectangle’s origin: myRect.origin.y Classes Owning Their Objects Can ... alloc] init]; ClassA *a = [[ClassA alloc] init]; ClassB *b = [[ClassB alloc] init]; [a initVar]; // uses ClassA method [a printVar]; // reveal value of x; [b initVar]; // use overriding ClassB ... allocated in the program, including the XYPoint object that setOrigin: creates: [myRect release]; [myPoint release]; One issue remains: If you set the origin of a single Rectangle object to

Ngày tải lên: 12/08/2014, 23:22

... defined( GNUC ) #define NS_INLINE static inline_attribute_((always_inline)) #elif defined( MWERKS ) || defined( cplusplus) #define NS_INLINE static inline Trang 27Another common use of #ifis in ... @protocol Drawing3D <Drawing> Finally, a category also can adopt a protocol, like this: @interface Fraction (Stuff) <NSCopying, NSCoding> theNSCopyingandNSCodingprotocols As with class names, ... new category and some methods muddies the definition of the class and is notgood programming practice category can exist in a given Objective-C namespace.This can be tricky because the jective-C

Ngày tải lên: 12/08/2014, 23:22

... alloc] init]; void copyString (char *to, char *from); char string1[] = “A string to be copied.” 2 ; char string2[50]; copyString (string2, string1); charac-copyString.This reflects how the function ... typed on the command line.The second argument to mainis an array of character pointers, called argvby convention (for argument vector) In addition,argc+ 1 character pointers are contained in this ... given by*intPtras an integer Unions One of the more unusual constructs in the Objective-C programming language is the union.This construct is used mainly in more advanced programming applications

Ngày tải lên: 12/08/2014, 23:22

... @”jbaker@kochan-wood.com”; AddressCard *card1 = [[AddressCard alloc] init]; AddressCard *card2 = [[AddressCard alloc] init]; AddressCard *card3 = [[AddressCard alloc] init]; AddressCard *card4 = ... *bName = @”Tony Iannino”; NSString *bEmail = @”tony.iannino@techfitness.com”; AddressCard *card1 = [[AddressCard alloc] init]; AddressCard *card2 = [[AddressCard alloc] init]; [card1 setName: aName ... AddressCard *card2 = [[AddressCard alloc] init]; AddressCard *card3 = [[AddressCard alloc] init]; AddressCard *card4 = [[AddressCard alloc] init]; AddressBook *myBook = [AddressBook alloc]; AddressCard

Ngày tải lên: 12/08/2014, 23:22

... stringWithString:was sent to the NSMutableStringclass, indicating that the string’scontents might have changed during the course of the program’s execution And becauseconstant character strings can’t ... pointer in memory to where the object is located) BecausemyIntnow has another reference (through myInt2), you increment its ence count by sending it a retainmessage.This is done in the next line ... garbage collection is on, methodcalls such as retain,autorelease, andreleaseare ignored Trang 20Copying Objects This chapter discusses some of the subtleties involved in copying objects.We introducethe

Ngày tải lên: 12/08/2014, 23:22

... shown in Figure 21.11. You can now close the Colors window. You create new objects in your iPhone interface window by click-dragging an object from the Library window into your iPhone window. Click-drag ... http://www.simpopdf.com 467 Your First iPhone Application Designing the Interface In Figure 21.4, and in your Xcode main window, notice a file called MainWindow.xib.An xib file contains all the information ... Writing iPhone Applications @property (nonatomic, retain) UIWindow *window; @property (nonatomic, retain) Fraction_CalculatorViewController *viewController; @end The UIWindow instance variable window

Ngày tải lên: 12/08/2014, 23:22

... @protected By instance methods in the class, instance methods in subclasses, and instance methods in category extensions to the class This is the default @private By instance methods in the class ... interface declaration for a class called Point containing four instance variables: @interface Point: NSObject { @private int internalID; @protected float x; float y; @public BOOL valid; } The internalID ... function call with the actual code for the function itself, thus providing for faster execution.An example is shown here: inline int min (int a, int b) {... contain the converted floating-point

Ngày tải lên: 12/08/2014, 23:22

... program counter In both cases, two cycles are required for instruction execution, while the second cycle is executed as an NOP (No Operation) Single-cycle instructions consist of four clock cycles ... more complicated in practice HOW DOES THE TIMER OPERATE? In practice, pulses generated by the quartz oscillator are once per each machine cycle, directly or via a prescaler, brought to the circuit ... computers use 8-digit binary numbers By chance? BCD CODE BCD code is a binary code for decimal numbers only (Binary-Coded Decimal) It is used to enable electronic circuits to communicate either with

Ngày tải lên: 22/07/2022, 14:31

... the new sockets The server gets a socket for an incoming client connection by calling accept () int accept(int socket, struct sockaddr *clientAddress, unsigned int *addressLength) accept() dequeues ... 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 ... 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; ... give structure to the address struct in_addr { in_addr_t s_addr; }; struct sockaddr_in { uint8_t sin_len; sa_family_t sin_family; in_port_t sin_port; struct in_addr sin_addr; char sin_pad[16];}; ... 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

... = 0 ❑ Pascalrecords cannot be returned by functions int i; integer,target :: i var int *a; a : ^integer; integer,pointer :: a char *b, *c; b, c : ^char; character,pointer :: b, c Machine *mp; ... http://www.fz-juelich.de/zam/cxx/ ➠ Parallel Programming with C++ ➠ Forschungszentrum Jülich Local C++ Information ❑ Official C++ On-line FAQ http://www.cerfnet.com/~mpcline/C++-FAQs-Lite/ This C++ Course ... meeting (Lund, Schweden) Oct Cfront Release 3.0 (including templates) 1992 Feb 1st DEC C++ release (including templates and exceptions) Mar 1st Microsoft C++ release May 1st IBM C++ release (including

Ngày tải lên: 13/12/2013, 08:15

... m_socListener.Listen (4); // create the call back for any client connections m_socListener.BeginAccept(new AsyncCallback ( OnClientConnect ),null); cmdListen.Enabled = false; } catch(SocketException ... function The 4 is a parameter indicating backlog indicating the maximum length of the queue of pending connections Next we made a call to BeginAccept passing it a delegate callback BeginAccept ... non-blocking method that returns immediately and when a client has made requested a connection, the callback routine is called and you can accept the connection by calling EndAccept The EndAccept

Ngày tải lên: 18/01/2014, 08:20

... abstract data types, add generic functions based on dynamic linkage and inherit code by judicious lengthening of structures. Finally, we put it all together in a class hierarchy that makes code much ... understand it and can change it, and it writes the ANSI -C code just like we would. The following chapters refine our technology. In chapter eight we add dynamic type checking to catch our mistakes ... Inheritance — Code Reuse and Refinement 31 4.1 A Superclass — Point 31 4.2 Superclass Implementation — Point 32 4.3 Inheritance — Circle 33 4.4 Linkage and Inheritance 35 4.5 Static and Dynamic Linkage

Ngày tải lên: 22/01/2014, 19:20

... bind FcR c-chain (Fig 8B), confirming a requirement for the cytoplasmic tail in the association with FcR c-chain The lack of association between the FcR c-chain and a mutant GPVI lacking its cytoplasmic ... and constitutively associated with FcR c-chain in platelets [2], COS-7 cells were also cotransfected with the different constructs of GPVI and FcR c-chain Cotransfection of the FcR c-chain did ... the FcR c-chain in COS-7 and K562 cells, and that the transmembrane arginine and cytoplasmic domain of GPVI are necessary for association with the FcR c-chain Moreover, the FcR c-chain is necessary

Ngày tải lên: 22/02/2014, 07:20

... despite structural changes being minimal the trapping of two main-chain confor-mations and increased B-factors at 295 K suggests that the presence of the coordinating Lys in some way can influence the ... c-type cytochrome, cyt c-550, acting as an electron-car-rier is present in the respiratory chain which is homol-ogous to the cyts c2 found in photosynthetic bacteria [2,3] A number of biochemical ... dissociation of the K100 occurs in a similar manner as for M100 coordination and that unlike at alkaline pH, unfolding using GdmHCl induces a ligand-exchange mechanism Discussion Bacterial cytochromes

Ngày tải lên: 07/03/2014, 17:20

... 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 ... comparable between processors. The processor in the Windows PC might take five clock ticks to do something that the Windows Phone processor needs ten ticks to perform. The Windows PC processor might

Ngày tải lên: 17/03/2014, 13:20

... bind() system call:#include <sys/types.h> #include <sys/socket.h> int bind(int sockfd, struct sockaddr *my_addr, int addrlen); sockfd is the socket file descriptor returned by socket() ... will be connecting to int main(int argc, char *argv[]) { int sockfd; struct sockaddr_in their_addr; // connector’s address information struct hostent *he; Trang 29their_addr.sin_family = AF_INET; ... 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,

Ngày tải lên: 19/03/2014, 13:41

... 10C Programming in Linux IntroductionThe teaching approach I began university teaching later in life after a career programming in the telecommunications industry My concern has been to convey ... 1C PROGRAMMING IN LINUX DAVID HASKINS Trang 2David HaskinsC Programming in Linux Trang 3C Programming in Linux© 2009 David Haskins & Ventus Publishing ApS ISBN 978-87-7681-472-4 Trang 4C Programming ... takes two integer arguments and reurns the result of some mathematical calculation Compile: gcc -o func1 chapter3_1.c -lm Copy to cgi-bin: cp func1 /home/david/public_html/cgi-bin/func1 (by now

Ngày tải lên: 19/03/2014, 14:07

... Server 156 7.3 Creating a Transmission Control Protocol (TCP) Connection 157 Reading a Web Page 157 7.4 Connecting to a Data Source 163 Using the WebClient class 163 7.5 Using LINQ to Read from ... Application Switching 210 The Windows Phone Application LifeCycle 211 Fast Application Switching in an application 213 Fast Application Switching and Development 218 Fast Application Switching and ... Windows Phone  10 Windows Phone Gyroscope A mechanical gyroscope is a device that always points in a particular direction The Windows Phone contains an electronic version which

Ngày tải lên: 23/03/2014, 22:21