advanced programming in c language

... datalen) close(connfd) connect(fd, ., .) write(fd, data, datalen) read(fd, buffer, buflen) close(fd) int fd = socket( .) Socket fd Socket fd connfd ? TCP/IP Connection 8 TCP/IP Connection fd = socket(…); ... type: • Commonly used with TCP/IP and UDP/IP, but not specific to the Internet protocols • Only discuss TCP/IP sockets today 6 What is a TCP/IP Connection? • A reliable byte-stream connection ... TCP/IP connection established Send request Wait for response TCP/IP connection shutdown EOF read Block until connection established Specify well-known port Begin listening Client Server 9 Creating

Ngày tải lên: 05/09/2013, 09:57

... 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

... #include #include #include #include #include #include 11 ... demo */ #include #include #include #include #include #include #include #include int main(int argc, char *argv[]) { struct ... inet_aton(const char *cp, struct in_ addr *inp); And here’s a sample usage, while packing a struct sockaddr _in (this example... #include #include #include #include #include #include #include #include ... Internet address (a structure for historical reasons) [...]... demo */ #include #include #include #include #include #include #include #include #include #include #define MYPORT 4950 // the

Ngày tải lên: 19/03/2014, 13:41

... 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 ... 9.3 Launchers and Choosers 219 Using a Launcher 220 Using a Chooser 222 9.4 Background Processing 223 Background and Periodic Scheduled Tasks 224 Adding a Background Task to Captains Log

Ngày tải lên: 23/03/2014, 22:21

... ❘ CHAPTER 1 A LOOK AT FUNCTIONAL PROGRAMMING HISTORY else tch ++ (calcLine ch (col+1) line maxp) ++ tch calcLines :: Int -> Int -> String calcLines line maxp = let ch = (ord ‘A’) + line in ... www.it-ebooks.info PROFESSIONAL Functional Programming in C# CLASSIC PROGRAMMING TECHNIQUES FOR MODERN PROJECTS Oliver Sturm www.it-ebooks.info Professional Functional Programming in C# : Classic Programming ... maxp line)) (cons ch nil) (cons 46 nil)))) (if (= col maxp) tch (append (append tch (calcLine ch (+ col 1) line maxp)) tch)) ) ) (defun calcLines (line maxp) (let* ((ch (+ line (char-int #\A)))

Ngày tải lên: 28/04/2014, 16:01

... 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: 28/06/2014, 14:20

... 158 Inserting and Erasing in Strings 160 Searching and Replacing in Strings 162 Accessing Characters in Strings 164 Exercises 166 Solutions 168 Chapter 10 Functions 171 Significance of Functions ... Reference Type 228 Defining Pointers 230 The Indirection Operator 232 Pointers as Parameters 234 Exercises 236 Solutions 238 Chapter 13 Defining Classes 243 The Class Concept 244 Defining Classes ... beginning of each chapter. These summaries also provide students with an idea of the key points to look for throughout the chapter. Chapter Exercises Each chapter contains exercises, including programming

Ngày tải lên: 06/07/2014, 17:21

... Containers 749 Container Types 750 Sequences 752 Iterators 754 Declaring Sequences 756 Inserting in Sequences 758 Accessing Objects 760 Length and Capacity 762 Deleting in Sequences 764 List Operations ... Properties Capacities object2 Properties Capacities ■ OBJECT-ORIENTED PROGRAMMING Traditional concept Object-oriented concept OBJECT-ORIENTED PROGRAMMING ■ 5 ᮀ Traditional Procedural Programming In traditional, ... This chapter describes the fundamental characteristics of the object- oriented C+ + programming language. In addition, you will be introduced to the steps necessary for creating a fully functional

Ngày tải lên: 06/07/2014, 17:21

... The character set defines which code represents a certain character. When displaying characters on screen, the applicable character codes are transmitted and the “receiver,” that is the screen, ... for correctly interpreting the codes. The C+ + language does not stipulate any particular characters set, although in gen- eral a character set that contains the ASCII code (American Standard Code ... Code for Informa- tion Interchange) is used. This 7-bit code contains definitions for 32 control characters (codes 0 – 31) and 96 printable characters (codes 32 – 127). The char (character) type

Ngày tải lên: 06/07/2014, 17:21

... preset accuracy. The following three types are available for calculations involving floating-point numbers: float for simple accuracy double for double accuracy long double for high accuracy The ... standard escape sequences, their decimal values, and effects. You can use octal and hexadecimal escape sequences to create any character code. Thus, the letter A (decimal 65) in ASCII code can also ... To continue a string in the next line you can also use a backslash \ as the last character in a line, and then press the Enter key to begin a new line, where you can continue typing the string.

Ngày tải lên: 06/07/2014, 17:21

... variables #include <iostream> using namespace std; int gVar1; // Global variables, int gVar2 = 2; // explicit initialization int main() { char ch('A'); // Local variable being initialized ... some variables tend to be associated with a specific use. EXAMPLES: c, ch for characters i, j, k, l, m, n for integers, in particular indices x, y, z for floating-point numbers To improve the readability ... the variable has changed since it was last accessed. The compiler therefore creates machine code to read the value of the variable whenever it is accessed instead of repeatedly using a value that

Ngày tải lên: 06/07/2014, 17:21

... declared in standard header files. If the header file is included in the program’s source code by means of the #include directive, the function can be used immediately. Example: #include <cmath> ... self-defined // functions // and classes long myfunc(int); HEADER FILES ■ 47 ᮀ Using Header Files Header files are text files containing declarations and macros. By using an #include directive ... technique. 46 ■ CHAPTER 3 USING FUNCTIONS AND CLASSES ■ HEADER FILES Using header files iostream Header file Copy Copy myheader.h Header file application.cpp Source file // Declaration // of cin,

Ngày tải lên: 06/07/2014, 17:21

... ■ CHAPTER 3 USING FUNCTIONS AND CLASSES // To use strings. #include <iostream> // Declaration of cin, cout #include <string> // Declaration of class string using namespace std; int ... endl; return 0; } Exercise 3 #include <iostream> // Declaration of cin, cout #include <string> // Declaration of class string using namespace std; int main() { string message("I ... friendly string manipulations in C+ +. The following pages contain further details on this topic. ᮀ Header Files in the C Programming Language The header files standardized for the C programming language

Ngày tải lên: 06/07/2014, 17:21

... 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

... 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 ... 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 ... 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"...

Ngày tải lên: 25/04/2013, 08:07

... Fortran Boolean (int) boolean logical Character char, wchar_t char character(n) Integer short int integer integer int long int FloatingPoint float real real double Complex ❖ (in C9 9) ❖ complex ❑ Size ... " ;C& quot; and include guards. Programming in C+ +  Dr. Bernd Mohr, FZ Jülich, ZAM Page 76 From C to C+ + Constants ❑ Typical C code used the C preprocessor to define symbolic constants: #define ... with C+ + ➠ Forschungszentrum Jülich Local C+ + Information ❑ Official C+ + On-line FAQ http://www.cerfnet.com/~mpcline /C+ +-FAQs-Lite/ Programming in C+ +  Dr. Bernd Mohr, FZ Jülich, ZAM Page 12 Introduction...

Ngày tải lên: 13/12/2013, 08:15

... connection, the callback routine is called and you can accept the connection by calling EndAccept. The EndAccept returns a socket object which represents the incoming connection. Here is the code ... m_socListener.Listen (4); // create the call back for any client connections m_socListener.BeginAccept(new AsyncCallback ( OnClientConnect ),null); cmdListen.Enabled = false; } catch(SocketException se) ... follows: public class CSocketPacket { public System.Net.Sockets.Socket thisSocket; public byte[] dataBuffer = new byte[1024]; } and call BeginReceive as follows: CSocketPacket theSocPkt = new CSocketPacket...

Ngày tải lên: 18/01/2014, 08:20

... Accessing COM Components from Visual C# 15-19 Lab: Integrating Visual C# Code with Dynamic Languages and COM Components 15-36 ii Programming in C# with Microsoft® Visual Studio® 2010 Information ... C# , click Windows. b. In the center pane, click Console Application. 1-4 Programming in C# with Microsoft® .Visual Studio® 2010 Lesson 1 Introduction to the .NET Framework 4 This lesson introduces ... 13: Building and Enumerating Custom Collection Classes Lesson 1: Implementing a Custom Collection Class 13-3 Lesson 2: Adding an Enumerator to a Custom Collection Class 13-21 Lab: Building and...

Ngày tải lên: 24/01/2014, 19:37