June 2006
Intermediate to advanced
1344 pages
42h 52m
English
book
Visual Basic 2005 for Programmers: Deitel Developer Series, Second Edition
by Paul J. Deitel - Deitel & Associates, Inc., Harvey M. Deitel - Deitel & Associates, Inc.
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7.10. Option Strict and Data-Type Conversions
Visual Basic provides several options for controlling the way the compiler handles types. These options can help you eliminate such errors as those caused by narrowing conversions. The first option is Option Explicit, which is set to On by default—it has been enabled in the programs we created in Chapters 2–6. Option Explicit forces you to explicitly declare all variables before they are used in a program. Forcing explicit declarations eliminates various errors. For example, when Option Explicit is set to Off, the compiler interprets misspelled variable names as new variables and implicitly declares them to be of type Object. (Class Object is the base type of all types in Visual Basic. We will discuss ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.