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Tài liệu Practical Database Programming With Visual C#.NET- P2 pdf

... the OdbcDataAdapter with its associated OdbcCommand and OdbcConnection objects. For Oracle databases, use the OracleDataAdapter with its associated OracleCommand and OracleConnection objects. ... ProviderDatabaseTransactionCommandExecuteReaderParametersExecuteNonQueryExecuteScalar DataSet DataRelationCollection ConstraintCollection DataTableDataRowCollection DataColumnCollection Your Application Figure 3.2 Another architecture of ADO.NET 2.0. c0 3.indd ... instance or an object based on this class. Depending on your applications, you can create a global connection instance for your entire project or you can create some local connection objects...

Tài liệu Practical Database Programming With Visual C#.NET- P4 pdf

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... based on the real location in which you save your database. D. The Connection object accConnection is initialized with the connection string and a con-nection is executed by calling the Open() ... catch block should be used for this connection operation to catch up any possible exception. Here we skip it since we try to make this connection coding simple. E. The facultyCommand object ... console window. A complete C# Console project named QueryReﬂ ectionLINQ can be found in the folder DBProjects\Chapter 4 located at the accompanying ftp site (see Chapter 1 ). c0 4.indd 17 5c0 4.indd...

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Tài liệu Practical C Programming Third Edition pdf

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... generic cc compiler or the Free Software Foundation’s gcccompiler. For MS-DOS/Windows users, instructions are included for Borland C+ +,Turbo C+ +, and Microsoft Visual C+ +. (These compilers compile ... and continue. The switch statement is discussed indetail.Chapter 9, Variable Scope and Functions, introduces local variables, functions, andparameters.Chapter 10, C Preprocessor, describes ... 19.Other changes/additions to the book include:ã Additional instructions for more compilers including a generic UNIX compiler,the Free Software Foundations gcc compilers, Borland C+ +, Turbo C+ +,...

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Tài liệu Beej''''s Guide to C Programming pdf

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... work is licensed underthe Creative Commons Attribution- Noncommercial- No Derivative Works 3.0 License. To viewa copy of this license, visit http://creativecommons.org/licenses/by-nc-nd/3.0/ ... include the name and contact information for the translator.The C source code presented in this document is hereby granted to the public domain, and iscompletely free of any license restriction.Educators ... the memory is cleared to zero when using calloc())The pointer returned by calloc() can be used with realloc() and free( ) just as if youhad used malloc().The drawback to using calloc() is that...

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Programming C# 4.0 pdf

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... possible to call components from C# applications into COM and to call components from COM into C# . Chapter 22 describes how this is done. Programming C# page 23This chapter discusses the ... read class metadata using CLR types that support reflection. Programming C# page 3Chapter 7 and Chapter 8 introduce Structs and Interfaces, respectively, both close cousins to classes. ... for collections. Chapter 9, explores the collection classes provided by the Base Class Library and how to create your own collection types as well. Chapter 10 discusses how you can use C# to...

A Complete Guide to Programming in C++ part 9 pdf

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... 68■CHAPTER 4 INPUT AND OUTPUT WITH STREAMS// Enters a character and outputs its// octal, decimal, and hexadecimal code.#include <iostream> // Declaration of cin, cout#include <iomanip> ... endl;char ch;string prompt ="\nPlease enter a character followed by "" <return>: ";cout << prompt;cin >> ch; // Read a characternumber = ch;cout << ... fill character usedSets the fill character to chint width() const;int width(int n);int fill() const;int fill(int ch);Manipulator EffectsSets the minimum field width to nSets the fill character...

A Complete Guide to Programming in C++ part 20 pdf

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... objects you will need to define classesthat describe these objects. You can use available classes and functions to do so. In addi-tion, you can make use of inheritance to create specialized classes ... when afunction is called:■ check the number and type of the arguments ■ correctly process the return value of the function.A function declaration can be omitted only if the function is defined ... 172■CHAPTER 10 FUNCTIONS C+ + programCore elements of C+ +(built-in types,operators,control structures)Functions andclasses of thestandard librarySelf-definedfunctions andclasses...

A Complete Guide to Programming in C++ part 26 pdf

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... is changed in the function, but the string inthe calling function remains unchanged.Exercise 2// // circle.cpp// Defines and calls the function circle().// #include <iostream>#include ... function strToUpper() isdeclared as a string& instead of a string?Exercise 2Write a void type function called circle()to calculate the circumference andarea of a circle.The radius and two ... POINTERS■SOLUTIONSExercise 1The call to function strToUpper() is left unchanged. But instead of passing byreference, a passing by value occurs, i.e., the function manipulates a local copy.Thus, only a local copy...

A Complete Guide to Programming in C++ part 27 pdf

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... account.h// Defining the class Account.// #ifndef _ACCOUNT_ // Avoid multiple inclusions.#define _ACCOUNT_#include <iostream>#include <string>using namespace std;class Account{private: ... example includes a class named Account used to represent a bankaccount. The data members, such as the name of the account holder, the account num-ber, and the account balance, are declared as ... which cannot be accessed externally■ public members, which are available for external access.The public members form the so-called public interface of the class.The opposite page shows a schematic...

A Complete Guide to Programming in C++ part 28 pdf

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... uses the function getAccount()to read the data for a new account. When called, the address of the account is passed:getAccount(ptr) // or: getAccount(&current1)The function can then use ... Account:Example: Account current; // or: class Account Memory is now allocated for the data members of the current object. The currentobject itself contains the members name, nr, and balance.ᮀ ... okpAccount->init( name, nr, startcapital);return true;}■POINTERS TO OBJECTSSample program 252■CHAPTER 13 DEFINING CLASSES// account_t.cpp// Uses objects of class Account.// #include...

A Complete Guide to Programming in C++ part 45 pdf

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... to access the private data members of the class can dramaticallyimprove the function’s response.ᮀ Declaring Friend FunctionsA class can grant any function a special permit for direct access ... numericalarray class. If you need to call the access methods of the class each time, and if thesemethods perform range checking, the function runtime will increase considerably. How-ever, special permission ... int B::elFunc( const A& objRef);};Here the global function globFunc() and the method elFunc() of class B aredeclared as friend functions of class A. This allows them direct access to the...

A Complete Guide to Programming in C++ part 53 pdf

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... INHERITANCE■CONCEPT OF INHERITANCEIs relationCarPropertiesand capacitiesof classCarPropertiesand capacitiesof classCarPropertiesand capacitiesof classCarAdditionalproperties andcapacities ... andcapacities of classPassCarAdditionalproperties andcapacities of classTruckPassCar Truck 499InheritanceThis chapter describes how derived classes can be constructed fromexisting classes ... ACCESSAccessing members of base class Car 502■CHAPTER 23 INHERITANCEBBase class B C DB is a directbase classB is an indirectbase classclass C : public B{private:// Declaration of additional...

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C++ Programming for Games Module I phần 3 pdf

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... we omit characters from [0, 32] since they are special command characters. (Hint: Recall that characters are represented by the char and unsigned char types, so simply loop through each : ... select a character class number 1)Fighter 2)Wizard 3)Cleric 4)Thief : 2 Character properties: Class name = Wizard Hitpoints = 4 Magicpoints = 10 Weapon = Magic Staff Press any key to continue ... want to execute the same code for several cases. This can be implemented like so: case 0: // Fall through to case 1 case 1: // Fall through to case 2 case 2: // Execute same code for 0,...