C++ timesaving techniques for dummies by Matthew Telles PDF

By Matthew Telles

ISBN-10: 076457986X

ISBN-13: 9780764579868

ISBN-10: 076459558X

ISBN-13: 9780764595585

* pro C++ programmer Matthew Telles indicates builders at any point of expertise how one can store hours by way of bettering, refactoring, and debugging their code* a number of the options lined contain learning asserts, making a entire type, hiding a mode of a base classification, releasing blocks of reminiscence, enforcing an easy locking mechanism, developing debugging macros, checking for error at run-time, discovering and solving reminiscence leaks, and lowering code complexity* The easy-to-follow, two-column Timesaving concepts layout makes studying every one timesaver a snap* C++ is considered one of modern most generally used programming languages, with compilers provided via Microsoft, Borland, and Code Warrior* This booklet is the proper spouse to C++ For Dummies, 5th version (0-7645-6852-3)

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Because the compiler generates a “stack” of data, followed by a “stack” of methods, it is no problem at all to implement any number of levels of inheritance. ” If a class is derived from classes A, B, and C, you will see the stack of methods for A, followed by the ones for B, 24 Technique 4: Inheriting Data and Functionality followed by the ones for C. This way, the compiler can easily convert the derived class into any of its base classes just by selecting a point in the stack to start from. In addition, because you can inherit data from classes that are themselves inheriting from other classes, the whole process just creates a strata of data and methods.

Allowing the programmer to customize a class by changing small parts of the functionality makes C++ the fastest development language. You should seriously consider making the individual functions in your classes virtual whenever possible. That way the next developer can modify the functionality with a minimum of fuss. Small changes to the derived class are called virtual functions — in effect, they allow a derived class to override the functionality in a base class without making you tinker with the base class.

Creating a Mailing-List Application char szBuffer[ 256 ]; fread( szBuffer, sizeof(char), if ( feof(fpIn) ) return false; setFirstName( szBuffer ); fread( szBuffer, sizeof(char), setFirstName( szBuffer ); fread( szBuffer, sizeof(char), setAddress1( szBuffer ); fread( szBuffer, sizeof(char), setAddress2( szBuffer ); fread( szBuffer, sizeof(char), setCity( szBuffer ); fread( szBuffer, sizeof(char), setState( szBuffer ); fread( szBuffer, sizeof(char), setZipCode( szBuffer ); return true; 15 255, fpIn ); 255, fpIn ); 255, fpIn ); 255, fpIn ); 255, fpIn ); 255, fpIn ); 255, fpIn ); } virtual bool First(void) { // Move to the beginning of the file, read in the pieces fseek( fpIn, 0L, SEEK_SET ); return ReadEntry(); } virtual bool Next(void) { // Just get the next one in the file return ReadEntry(); } }; Please note that we do no error-checking in any of this code (that’s to avoid making it any larger).

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C++ timesaving techniques for dummies by Matthew Telles


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