expressing designs in c

... only for demonstrating the process of allocating, deallocating, and using a block in C. The malloc line allocates a block of memory of the size specified in this case, sizeof(int) bytes (4 bytes). ... struct rec { int i; float f; char c; }; int main() { struct rec *p; p=(struct rec *) malloc (sizeof(struct rec)); (*p).i=10; { top=NULL; } void stack_clear() /* Clears ... struct stack_rec *next; }; struct stack_rec *top=NULL; void stack_init() /* Initializes this library. Call before calling anything else. */ 1. The block of memory pointed to by the pointer...

Ngày tải lên: 16/08/2012, 11:09

... instance of TcpListener listens for TCP connection requests and creates a new socket (in the form of a TcpClient or Socket instance) to handle each incoming connection. 2.3.1 TCP Client A TCP client ... access to a NetworkStream to abstract the sending and receiving of data. Constructors public TcpClient(); public TcpClient(IPEndPoint localEP); public TcpClient(string hostname, int port); Creates ... the TCP echo client with a graphical interface. TcpClient Summary Description TcpClient provides simple methods for connecting to, sending, and receiving data over a TCP connection. The TcpClient...

Ngày tải lên: 17/08/2012, 08:39

... with excellent preparation for working with WCF in the future. This chapter contains the following: • Overview of WCF architecture, including the Indigo service layer, the WCF connector, hosting ... specifications and to aggregate them and record them in the WSDL document. Introducing the WS- Specifications We introduce you to the WS- specifications again in Chapter 5, and then cover them in ... Hell, in which successive installations and removals of upgraded compo- nents cause incorrect type information to be retained in the registry. Technically, this is a versioning problem. But in more...

Ngày tải lên: 20/08/2012, 13:57

... illustrates an architecture in which two separate Web services access the same back-end business components. Each Web service provides a distinct service interface, each of which is suitable for ... to Indigo very smoothly. The summary of the chapters is as follows: Chapter 1, “Introducing Service-Oriented Architecture”: This chapter introduces the concepts behind service-oriented architecture, ... 2:52 PM Page 1 Introducing Service-Oriented Architecture 7 Services provide flexible binding: Services fully describe themselves using the WSDL contract. This information includes documentation...

Ngày tải lên: 20/08/2012, 13:59

... when the object is accessed. c) A static constructor can have public as a accessibility modifiers 74. class A { public static int X = B.Y + 1; } class B { public static int Y = A.X ... explicitly or implicitly. b) Static constructors can have accessibility modifiers. e) Static constructors are called when the class is loaded. c) Static constructors cannot be called ... error. c) Incompatible type for ’=’ can’t convert SubClass to SuperClass. b) No constructor matching SuperClass() found in class SuperClass d) Wrong number of arguments in constructor....

Ngày tải lên: 21/08/2012, 15:55

... implementing an abstract class. [1.0] a) public abstract void class ClassA c) abstract public ClassA b) public abstract class ClassA 105. Which of the following methods can be called ... ("MyDll.MyOName" ) object myObject = System.Activator .C reatInstance (myObjectType) b) By using the System.Reflection. CreateInstance() method to create an instance of object in the following manner. ... an int data type. 203. Which of the following is the correct syntax for declaring an indexer. [1.0] a) protected int this[int var1] c) public int this(int var1) b) public int classname[int...

Ngày tải lên: 29/08/2012, 16:37

Ngày tải lên: 05/11/2012, 14:45

Ngày tải lên: 15/11/2012, 14:57

... is called automatically when the object is accessed. c) A static constructor can have public as a accessibility modifiers 74. class A { public static int X = B.Y + 1; } class B { public static ... value c) get b) set d) find 100. public class A:B ,C, D{ } The above code represents ______ [0.5] a) multilevel interface c) multiple interface b) hierarchical interface d) multiple inheritance 101. ... False 25. Access Modifiers for variables in C# can be the following (Select all that apply) [1.0] a) Public c) Private b) Protected d) Public protected 26. In C# , an underscore is allowed as an initial...

Ngày tải lên: 09/04/2013, 09:10

... some basic code profiling to examine the effects of explicitly declaring variables as registers. Consider the fibonacci sequence generating function fibonacci in prob1 .c, which is reproduced at ... return 0 ; } Hint: In order to count words, count the transitions from non-white space to white space characters. 5 main .c: dict .c: dict.h: #include <stdio.h> #include "dict.h" ... Electrical Engineering and Computer Science 6.087: Practical Programming in C IAP 2010 Problem Set 3 – Solutions Control flow. Functions. Variable scope. Static and global variables. I/O: printf...

Ngày tải lên: 25/04/2013, 08:07

Ngày tải lên: 22/08/2013, 14:06

Ngày tải lên: 05/09/2013, 09:57

... OBJECT SEMANTICS IN C+ +/CLI 55 Copy Constructors Copy constructors take a tracking reference (%) as a parameter, as shown in Listing 4-15. Listing 4-15. Using Tracking References with Copy Constructors // ... objects in code. You saw the semantic differences between these methods, including objects with heap and stack semantics, tracking references, dereferencing handles, copying objects, gc-lvalues, ... returning tracking references to local variables is not a good idea in C+ +/CLI since the destructor is called for local variables, leaving the caller with a reference to a destructed object. Instead,...

Ngày tải lên: 05/10/2013, 08:20

... <iostream>4 5 using std::cout; 6 using std::endl;7 8 #include <iomanip> 9 using std::setw; 11 #include <cstdlib> // contains function prototype for rand 14 int main() { 16 int frequency1 = ... <ctime> • Returns current time in seconds • General shifting and scaling – Number = shiftingValue + rand() % scalingFactor – shiftingValue = first number in desired range – scalingFactor ... 0; 17 int frequency2 = 0; 18 int frequency3 = 0; 19 int frequency4 = 0; 20 int frequency5 = 0; 21 int frequency6 = 0; 22 int face; // represents one roll of the die  2003 Prentice Hall, Inc. All...

Ngày tải lên: 06/10/2013, 08:20

... Writing Windows C# Programs 47 Objects in C# 47 Managed Languages and Garbage Collection 48 Classes and Namespaces in C# 48 Building a C# Application 49 The Simplest Window Program in C# ... system. Characters and strings in C# are always 16 bits wide: to allow for representation of characters in non-Latin languages. It uses a character coding system called Unicode, in which thousands ... Program to an interface and not to an implementation. Putting this more succinctly, you should define the top of any class hierarchy with an abstract class or an interface, which implements...

Ngày tải lên: 18/10/2013, 17:15

... custom control project. You’ll then continue to create user controls, which combine other controls into reusable groups (Chapter 10); derived controls, which enhance existing .NET control classes ... can be a static method or an instance method. You can then invoke it later. // Here we assume that the code contains a function named CapitalizeString. stringProcessor = new StringProcessFunction(CapitalizeString); // ... to be caused directly or indirectly by the information contained in this work. The source code for this book is available to readers at http://www.apress.com in the Source Code section. Macdonald_4398Front.fm...

Ngày tải lên: 19/10/2013, 21:15

... email “info@nr.com”, or fax 781 863-1739. Library of Congress Cataloging in Publication Data Numerical recipes in C : the art of scienti c computing / William H. Press [et al.]. – 2nd ed. Includes ... 57608 3 CDROM (IBM PC/Macintosh) ISBN 0 521 57607 5 CDROM (UNIX) Sample page from NUMERICAL RECIPES IN C: THE ART OF SCIENTIFIC COMPUTING (ISBN 0-521-43108-5) Copyright (C) 1988-1992 by Cambridge ... title is to connote an eclectic mixture of presentational techniques. This book is unique, we think, in offering, for each topic considered, a certain amount of general discussion, a certain amount...

Ngày tải lên: 07/11/2013, 19:15

... from NUMERICAL RECIPES IN C: THE ART OF SCIENTIFIC COMPUTING (ISBN 0-521-43108-5) Copyright (C) 1988-1992 by Cambridge University Press.Programs Copyright (C) 1988-1992 by Numerical Recipes Software. ... versions in Pascal and BASIC from the first edition). Diskettes purchased from Cambridge University Press include a single-screen license for PC or Macintosh only. The CDROM is available with a single-screen ... sites http://www.cup.org (North America) or http://www.cup.cam.ac.uk (rest of world). xvi xviii License Information Sample page from NUMERICAL RECIPES IN C: THE ART OF SCIENTIFIC COMPUTING (ISBN 0-521-43108-5) Copyright...

Ngày tải lên: 07/11/2013, 19:15

Ngày tải lên: 26/11/2013, 13:24