http://www.devshed.com Practices - RSS Feeds en-us Thu, 26 Nov 2009 05:39:47 -0500 Thu, 26 Nov 2009 05:39:47 -0500 Thu, 17 Jul 2008 09:00:47 -0400 http://www.devshed.com/c/a/Practices/More-Techniques-for-Finding-Things/?kc=rss - Problem: Who Fetched What, When? Running a couple of quick scripts over the logfile data reveals that there are 12,600,064 instances of an article fetch coming from 2,345,571 different hosts. Suppose we are interested in who was fetching what, and when? An auditor, a police officer, or a marketi...]]> http://www.devshed.com/c/a/Practices/More-Techniques-for-Finding-Things/?kc=rss Thu, 10 Jul 2008 09:30:49 -0400 http://www.devshed.com/c/a/Practices/Finding-Things/?kc=rss - COMPUTERS CAN COMPUTE, BUT THAT'S NOT WHAT PEOPLE USE THEM FOR, MOSTLY. Mostly, computers store and retrieve information. Retrieve implies find, and in the time since the advent of the Web, search has become a dominant application for people using computers. As data volumes continue to grow both ...]]> http://www.devshed.com/c/a/Practices/Finding-Things/?kc=rss Thu, 22 May 2008 09:00:47 -0400 http://www.devshed.com/c/a/Practices/Finishing-the-Systems-Outlines/?kc=rss - Clumping When Sam described his customers in detail, he mentioned that he needed to keep track of each customer's home address, including street, city, state, and Zip Code, as well as credit card billing address, including street, city, state, and Zip Code. I asked him, quot;Do both of those add...]]> http://www.devshed.com/c/a/Practices/Finishing-the-Systems-Outlines/?kc=rss Thu, 15 May 2008 09:00:47 -0400 http://www.devshed.com/c/a/Practices/The-System-in-So-Many-Words/?kc=rss - WE MEET SAM, THE CLIENT, FOR WHOM WE ARE DEVELOPING A SYSTEM. Tim, a co-developer, and I interact with Sam to get an overall view of what he wants the system to do through use cases and prototypes. We work together to determine a common vocabulary to describe the system's requirements. Meet Sam Sy...]]> http://www.devshed.com/c/a/Practices/The-System-in-So-Many-Words/?kc=rss Thu, 08 Sep 2005 09:00:01 -0400 http://www.devshed.com/c/a/Practices/Basic-Data-Types-and-Calculations/?kc=rss - IN THIS CHAPTER, youll look at some of the basic data types that are built into C++ and that youre likely to use in all your programs. Youll also investigate how to carry out simple numerical computations. All of C++s object-oriented capability is founded on the basic data types built into the lan...]]> http://www.devshed.com/c/a/Practices/Basic-Data-Types-and-Calculations/?kc=rss Thu, 01 Sep 2005 09:00:00 -0400 http://www.devshed.com/c/a/Practices/Whats-the-Address-Pointers/?kc=rss - Whats the Address? Pointers My parents told me when I was a child that it was not polite to point. However, each semester I teach my computer programming students how to point. No, I am not trying to promote rude behavior. Rather, I am teaching my students about pointers, which “point” to anothe...]]> http://www.devshed.com/c/a/Practices/Whats-the-Address-Pointers/?kc=rss Thu, 25 Aug 2005 09:00:00 -0400 http://www.devshed.com/c/a/Practices/Design-with-ArgoUML/?kc=rss - Luck is the residue of design. JAVA HAS FOUND a niche in the server side of contemporary distributed computing, in which the most prevalent service model is the browser-based application or web application. The rise of the Internet as a global network for business has given enterprise computing i...]]> http://www.devshed.com/c/a/Practices/Design-with-ArgoUML/?kc=rss Thu, 11 Aug 2005 09:00:01 -0400 http://www.devshed.com/c/a/Practices/Pragmatic-Guidelines-Diagrams-That-Work/?kc=rss - IN THE LAST CHAPTER, we spent a long time working through the process of Five-Step UML, and looking at all of the new UML notation which that entailed. But in this chapter, were going to take a quick break from learning all the formal rules and all the step-by-step instructions on how to use UML as ...]]> http://www.devshed.com/c/a/Practices/Pragmatic-Guidelines-Diagrams-That-Work/?kc=rss Thu, 04 Aug 2005 09:00:01 -0400 http://www.devshed.com/c/a/Practices/FiveStep-UML-OOAD-for-Short-Attention-Spans-Design-Repeat/?kc=rss - Step 4: Design Show the relations among the elements with Component Diagrams. Add other diagrams where they shed light on the components. In this step, youll assign the interfaces and user interfaces discovered in Step 3 to components, and then show the relationships between components and int...]]> http://www.devshed.com/c/a/Practices/FiveStep-UML-OOAD-for-Short-Attention-Spans-Design-Repeat/?kc=rss Thu, 28 Jul 2005 09:00:00 -0400 http://www.devshed.com/c/a/Practices/FiveStep-UML-OOAD-for-Short-Attention-Spans-Define-Refine-Assign/?kc=rss - IN THIS CHAPTER, Ill introduce you to Five-Step UML. Well work through the whole process from beginning to end, and along the way, Ill be introducing all the UML notation that youll need to understand the relevant diagrams. Ill also show you how the whole thing works from the point of view of .NE...]]> http://www.devshed.com/c/a/Practices/FiveStep-UML-OOAD-for-Short-Attention-Spans-Define-Refine-Assign/?kc=rss Thu, 21 Jul 2005 09:00:01 -0400 http://www.devshed.com/c/a/Practices/Introducing-UMLObjectOriented-Analysis-and-Design/?kc=rss - TIP For those who are impatient . . . If you already understand objects, you dont need convincing that UML is a great thing, and you just want to start learning the UML notation right away, skip ahead to Chapter 2. IN UML, the L is for language, one of the definitions of which is “any ...]]> http://www.devshed.com/c/a/Practices/Introducing-UMLObjectOriented-Analysis-and-Design/?kc=rss Thu, 14 Jul 2005 09:00:01 -0400 http://www.devshed.com/c/a/Practices/Class-and-Object-Diagrams/?kc=rss - THIS CHAPTER FOCUSES ON THE UML STRUCTURAL diagrams that you use to capture the fundamental structure of your models at the class and object levels. Class Diagrams A class diagram focuses on a set of classes (see Chapter 1) and the structural relationships among them (see Chapter 2). It may also s...]]> http://www.devshed.com/c/a/Practices/Class-and-Object-Diagrams/?kc=rss Thu, 16 Jun 2005 09:00:00 -0400 http://www.devshed.com/c/a/Practices/Class-Relationships/?kc=rss - Class Relationships Classes, by themselves, aren't particularly useful. Its the relationships among classes that provide the foundation for the structure of a new system. The following sections explore how you use the UML to illustrate various kinds of class relationships. Associations An assoc...]]> http://www.devshed.com/c/a/Practices/Class-Relationships/?kc=rss Wed, 27 Apr 2005 09:00:00 -0400 http://www.devshed.com/c/a/Practices/Classes/?kc=rss - LETS BEGIN OUR LOOK AT THE DETAILS of the Unified Modeling Language (UML) by exploring how we do basic modeling of things and concepts in the real world. Classes and Objects A class is a collection of things or concepts that have the same characteristics. Each of these things or concepts is call...]]> http://www.devshed.com/c/a/Practices/Classes/?kc=rss Wed, 23 Mar 2005 09:00:01 -0500 http://www.devshed.com/c/a/Practices/Basic-Ideas/?kc=rss - AT FIRST SIGHT, a connection between learning C++ programming and poultry would seem to be unlikely, but there is its the chicken-and-egg problem. Particularly in the early stages of understanding C++, youll often have to make use of things in examples before you properly understand them. This chapt...]]> http://www.devshed.com/c/a/Practices/Basic-Ideas/?kc=rss