Bücher von Christopher M. Frenz

Perl, one of the world’s most diffuse programming languages, was born out of the need to resolve the creator's dissatisfaction with what were at the time standard data-parsing solutions. Indeed, since the 1.0 release in 1987, Perl has been heralded for its powerful parsing capabilities features that are further enhanced through the thousands of Perl extensions made available through CPAN (the Comprehensive Perl Archive Network).Pro Perl Parsing begins with several chapters devoted to key parsing principles, discussing topics pertinent to regular expressions, parsing grammars, and parsing techniques. This material sets the stage for later chapters, which introduce numerous and powerful CPAN parsing modules, and provide an ample supply of example applications.

IF YOU ARE A NOVICE PROGRAMMER, this book iS designed for you. The text begins with an overview of the Visual Basic development environment, its important charac- teristics, and how the environment can be manipulated to suit your needs. Next, a discussion of forms and their uses ensues. This discussion is followed by cover- age of the Visual Basic controls, which are most essential to scientific program- ming. You then learn how to put controls to work by making use of the different control events. Once this introductory material has been covered, I show you the different data types that Visual Basic supports, with extra attention being paid to the vari- ous numerical data types and their uses. At this point the true heart and soul of the book begins, as you begin to gain insights into the various operators that can be used to manipulate these data types. You get an in-depth look at numerical and logical operators, and their order of operations are clearly spelled out.