advanced programming in c with linux

... [...]... Conclusion 11 Optimizing Bandwidth Utilization 11 .1 Introduction 11 .2 Tricks and tips to increase performance 11 .2 .1 Caching 11 .2.2 Keep-alive connections 11 .2.3 ... and WinPCap 13 .3.2 Using PacketX and WinPCap 13 .4 Physical network tapping 13 .5 Conclusion 14 Adding Digital Telephony 14 .1 14.2 14 .3 14 .4 14 .5 Introduction Basic telephony ... pooling 10 .6 .1 Implementing a thread pool 10 .7 Avoiding deadlocks 10 .8 Load balancing 10 .9... Configuration 17 .9.6 Hosting remote objects within IIS 17 .9.7 Hosting remote objects within

Ngày tải lên: 12/08/2014, 21:20

... to help explain the basics of database access in .NET and the concept of dataset serialization. Database programming is centered on two key strings: the connection string and structured query ... new OleDbConnection(szDSN); Table 2.6 Connection strings for common databases. Database type Connection string Microsoft Access Provider=Microsoft.Jet.OLEDB.4.0; Data Source=< location of ... is a Microsoft Access file located at c:\purchaseOrder.mdb C# string szDSN = "Provider=Microsoft.Jet.OLEDB.4.0;" + "Data Source=C:\\purchaseOrder.mdb"; OleDbConnection DSN

Ngày tải lên: 12/08/2014, 21:20

... could then be modified from code by accessing the tbText object. In classic ASP, the only way to achieve such an effect would be to include code within the textbox declaration, such as <input ... <%=someCode%>> , which is less desirable because functional code is intermixed with HTML. ASP.NET provides better performance than classic ASP because it is compiled on first access (in-line ... requiring them to take a crash course in HTML Internet Explorer can run in a special design mode, which is acceptable as a WYSIWYG editor The trick to accessing design mode in Internet Explorer

Ngày tải lên: 12/08/2014, 21:20

... secure than plain text. The second section describes asymmetric encryption, which is most applicable for securing data in transit. The chapter concludes with a discussion on sym- metric encryption, ... RSACryptoServiceProvider RSA; public string PublicKey; public string PrivateKey; public byte[] Encrypt(byte[] Data, string PublicKeyIn) { RSA.FromXmlString(PublicKeyIn); return RSA.Encrypt(Data, ... RSACryptoServiceProvider Public PublicKey As String Public PrivateKey As String Public function Encrypt(Data as byte(),PublicKeyIn as _ string) as Byte() RSA.FromXmlString(PublicKeyIn)

Ngày tải lên: 12/08/2014, 21:20

... thus: C# public class WebProxy { public Socket clientSocket; public Form1 UserInterface; } VB.NET Public Class WebProxy Public clientSocket As Socket Public UserInterface As Form1 End Class ... readIn = new byte[1024]; int bytes = clientSocket.Receive(readIn); string clientmessage = Encoding.ASCII.GetString(readIn); clientmessage = clientmessage.Substring(0,bytes); int posHost = clientmessage.IndexOf("Host:"); ... through an RS232 connection (briefly described in Chapter 4) or by using HTTP. Each computer can periodically connect to the router and set up port forwarding so that incoming requests come to it rather

Ngày tải lên: 12/08/2014, 21:20

... Listening for incoming phone calls 391 C# public delegate int LineCallBackDelegate(int dwDevice, int dwMessage, int dwInstance, int dwParam1, int dwParam2, int dwParam3); public static int LineCallBack(int ... = 0x2; const short LINEMEDIAMODE_AUTOMATEDVOICE = 0x8; const int LINE_LINEDEVSTATE = 8; const int LINE_CALLSTATE = 2; const int LINECALLSTATE_OFFERING = 0x2; const int LINECALLSTATE_ACCEPTED... ... public int dwUsedSize; public int dwProviderInfoSize; public int dwProviderInfoOffset; public int dwSwitchInfoSize; public int dwSwitchInfoOffset; public int dwPermanentLineID; public int dwLineNameSize;

Ngày tải lên: 12/08/2014, 21:20

... [...]... compliance C++ network programming code was concerned mainly with interfacing directly into wsock32.dll, which luckily C# or VB.NET programmers are not obliged to do 16.8 IPv6 routing ... add-on from Microsoft.com 2 Click Start→Settings Network and Dial-up Connections 3 Right-click on your Ethernet card and click Properties 4 Click Install 5 In the Select Network Component ... New booking.Room() hotelBooking.myroom.occupants = _ Convert.ToInt16(tbOccupants.Text) 15.3 Implementing a message queue 431 Chapter 15 Select Case cbType.SelectedIndex.ToString() Case "basic"

Ngày tải lên: 12/08/2014, 21:20

... Public Interface IIDGenerator Public Function NextOrder() As int End Interface Using shared interfaces is not the only way to provide clients with access to remote objects The two main drawbacks... ... System.Runtime.Remoting.Channels System.Runtime.Remoting.Channels.Http RemoteObject Create a new Windows forms project in Visual Studio NET Click → Project→Add References, click Browse, and then click on ... DLL created in. .. can instruct the server to create an object and to keep it in memory for a specified time before destroying it Client-side activation occurs when the object is created using

Ngày tải lên: 12/08/2014, 21:20

... application programming interface Microsoft Outlook provides an interface to applications to access emails stored within its message store. This interface is called the mail application programming ... book can be accessed via the AddressLists collection in the MAPI namespace ( NS in the example above). Each element in the collection contains an AddressEntries collection. Each entry in the ... application programming interface 5.6.1 Accessing the address book MAPI can be used to access most features of Microsoft Outlook, some of which may be useful for developers working on plug-in applications

Ngày tải lên: 12/08/2014, 21:20

... Rcode; } VB.NET Public Function describeResponse(ByRef code As Integer) _ As String 320 12.3 Ping Dim Rcode As String Select Case code Case 0 : Rcode = "Success" Case 11001 : Rcode ... public string describeResponse(uint code) { string Rcode = ""; switch(code) { case 0 : Rcode = "Success";break; case 11001 : Rcode = "Buffer too Small";break; case ... ping request. The function describeResponse per- 12.3 Ping 319 Chapter 12 forms the task of converting the rather cryptic response codes into mean- ingful phrases. Enter the following code: C#

Ngày tải lên: 12/08/2014, 21:20

... 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

... Socket Programming in C/C++ sockets TCP UDP Socket characteristics (cont’d) Each socket type has one or more protocols. Ex:  TCP/IP (virtual circuits)  UDP (datagram) Use of sockets:  Connection–based ... sockets bind listen accept close send/recv shutdown close socket connect send/recv shutdown close server client socket c Mani Radhakrishnan and Jon Solworth Socket Programming in C/C++ sockets TCP UDP socket ... back to the accept to wait for another connection request c Mani Radhakrishnan and Jon Solworth Socket Programming in C/C++ sockets TCP UDP... Socket Programming in C/C++ sockets

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

... 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 ... particular components. OFFICIAL MICROSOFT LEARNING PRODUCT 10266A Programming in C# with Microsoft® Visual Studio® 2010 Be sure to access the extended learning content on your Course Companion...

Ngày tải lên: 24/01/2014, 19:37

... IMeasuringDeviceWithProperties interface 4. Modify the class declaration to implement the IMeasuringDeviceWithProperties interface instead of the ILoggingMeasuringDevice interface. The IMeasuringDeviceWithProperties interface ... interface inherits from the ILoggingMeasuringDevice interface, so modifying the declaration will not break compatibility with existing applications; the class can still be cast as an instance ... Implement Interface Wizard to generate method stubs for each of the methods in the IMeasuringDeviceWithProperties interface. 10-44 Programming in C# with Microsoft® Visual Studio® 2010 Comparing Indexers...

Ngày tải lên: 24/01/2014, 19:43

... Labcenter Electronics Ltd. Custom Computer Services Inc. ( www.ccsinfo.com ) Custom Computer Services Inc. specializes in compilers for PIC microcontrollers. The main range comprises PCB compiler ... reference source. PIC, PICmicro, MPLAB, MPASM, PICkit, dsPIC, and PICDEM are trademarks of Microchip Technology Inc. Labcenter Electronics ( www.labcenter.co.uk ) Labcenter Electronics is ... capture or compare detected INT_CCP1 Timer2 Timer2 register overflow INT_TIMER2 CCP2 Timer2 capture or compare detected INT_CCP2 Ports RB0/INT pin Change on single pin RB0 INT_EXT...

Ngày tải lên: 06/03/2014, 17:20

... 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

... 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 ... organizations ___ can be used. [1.0] a) Classes c) a namespace b) System namespace d) a nested namespaces 132. The ________namespace contains all code required to interact with the including the console ... method b) instance d) struct 63. The constructor without parameters is called _________. [0.5] a) main constructor c) default constructor b) zero valued constructor d) non-parameterized constructor 64....

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