Learning Python Download at WoweBook.Com Download at WoweBook.Com FOURTH EDITION Learning Python Mark Lutz Beijing • Cambridge • Farnham • Köln • Sebastopol • Taipei • Tokyo Download at WoweBook.Com Learning Python‚ Fourth Edition by Mark Lutz Copyright © 2009 Mark Lutz. All rights reserved. Printed in the United States of America. Published by O’Reilly Media‚ Inc.‚ 1005 Gravenstein Highway North‚ Sebastopol‚ CA 95472. O’Reilly books may be purchased for educational‚ business
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CHAPTER 2 Introduction to VB.NET VB.NET Visual Basic .NET is the next version of the very famous Visual Basic programming language. Visual Basic .NET offers developers with the benefits of rapid development with a full-support of object-oriented (OO) programming concepts. Visual Basic .NET provides the easiest‚ most productive language and tool for rapidly building Windows and Web applications. Visual Basic .NET comes with enhanced visual designers‚ increased application performance‚ and a
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keyboard. 2. I found six other ways of diagramming entities and relations. The six other methods of diagramming entities and relations are as follows: a. Peter Chen’s diagram b. Information Engineering c. Richard Barker’s notation d. Object Role Modeling (ORM) e. The Unified Modeling Language (UML) f. Extensible Markup Language (XML) The similarities that I found are that Peter Chen’s‚ Information Engineering‚ and UML diagrams all use square cornered shapes for entities. Also
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although some may preform actions instead re-usable Procedures Another practical example of a module. Procedures tend to perform actions as with functions these are reusable Classes Part of the object-oriented programming paradigm a class contains both data and functions that describe a real world thing Objects A concrete instance of a class complete with its personal data Abstraction of data One of the key principle ideas behind the creation of classes in data abstraction the data type is less important
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defined with primary keys‚ foreign keys‚ and other unique keys. In the physical design phase all pieces comes together to complete the database process for an organization (Unknown‚ 2001). Rainforest Logical/Physical Design Recommendations Object-Oriented design (OO design) is recommended for Rainforest overall logical and physical design. “Many company
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SYSTEMS ANALYSIS AND DESIGN PROTOTYPING We know from the world of engineering that a manufacturer will develop a prototype model before mass producing the final product. So why not apply this concept to the development of a software product? This is what the pioneers of prototyping have set out to achieve by attempting to demonstrate how a system or a component of a computer-based information system will function in its environment. Users find such demonstrations very helpful in visualising
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Chapter 6 Object Modeling CHAPTER 6 Object Modeling Chapter 6 is the third of four chapters in the systems analysis phase of the SDLC. This chapter discusses object modeling techniques that analysts use to create a logical model. In addition to structured analysis‚ object-oriented analysis is another way to represent and design an information system. INTRODUCTION OBJECTIVES When you finish this chapter‚ you will be able to: • Explain how object-oriented analysis can be used to describe an information
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Defining Java Classes I. A class is a collection of types and methods that all somehow work together. II. The general syntax for defining a class is shown here. It may look complicated‚ because it’s written in very general form here‚ but it’s very simple. i. The square brackets in this syntax indicate optional things. ii. The first component of the class definition is called the access_mode. It will either be public‚ abstract‚ final‚ or not used at all. iii. Then comes the class keyword‚
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BACHELOR OF COMPUTER APPLICATIONS (BCA) ASSIGNMENTS (For July‚ 2013 and Jan.‚ 2014 sessions) (3rd Semester (Revised Syllabus)) (MCS-014‚ MCS-021‚ MCS-023‚ BCS-031‚ BCSL-032‚ BCSL-033‚ BCSL-034) SCHOOL OF COMPUTER AND INFORMATION SCIENCES INDIRA GANDHI NATIONAL OPEN UNIVERSITY MAIDAN GARHI‚ NEW DELHI – 110 068 CONTENTS Course Code Assignment No. Submission-Schedule Page No. For July-Dec Session For Jan-June
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Multiple Choice Questions 51. Which language is not a true object-oriented programming language? a.) VB.NET b.) VB 6 c.) C++ d.) C# e.) Java Answer: b Level: Easy Section: 6-1 Page: 107 52. A GUI: a.) uses buttons‚ menus‚ and icons. b.) should be easy for a user to manipulate. c.) stands for Graphic Use Interaction. d.) Both a and b. e.) All of the above. Answer: d Level: Moderate Section:
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