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Topic: Design pattern (computer science)


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  Software Design - Requirements | Architecture | Implementation | Testing
A software design may be platform-independent or platform-specific, depending on the availability of the technology called for by the design.
A template or pattern describing a solution to a common problem is known as a design pattern.
One of the earlier design methodologies is the Responsibility Driven Design (RDD) pioneered by Rebecca Wirth et al.
www.solveforce.com /softwaredesign.html   (741 words)

  
 Interaction Design Patterns - Interaction-Design.org: A site about HCI, Usability, UI Design, User Experience, ...
An interaction design (ID) pattern is a general repeatable solution to a commonly-occurring usability problem in interface design or interaction design.
Patterns and pattern languages for describing patterns are ways to describe best practices, explain good designs, and capture experience in a way that it is possible for others to reuse this experience.
Design pattern (computer science) are extensively used by software engineers for the actual design process as well as for communicating a design to others.
www.interaction-design.org /encyclopedia/interaction_design_patterns.html   (1992 words)

  
 LinkMingle.com » syam1224 » Design Patterns
To qualify as a design pattern, the lesson should be easily modified to cover different content while using the same basic structure.
Object-oriented design patterns typically show relationships and interactions between classes or objects, without specifying the final application classes or objects that are involved.
Design patterns form a cohesive language that can be used to describe classic solutions to common object oriented design problems.
linkmingle.com /user/syam1224/design_patterns   (365 words)

  
  Pattern   (Site not responding. Last check: )
Pattern matching is the act of checking for the presence of the constituents of a pattern.
Pattern recognition is studied in many fields, including psychology, ethology, and computer science.
The language of a pattern is the set of strings generated by substituting variables in the pattern by non-null sequences of constant symbols.
abcworld.net /Pattern.html   (581 words)

  
 JOT: Journal of Object Technology - UML Extensions for Design Pattern Compositions
Furthermore, the designer of this stereotype notation needs to know, for example, the desired properties of the stereotype to be designed, the base language, the general principles of good language design, and the meta-language that is used to specify the semantics of the stereotype.
It is important for designers to describe explicitly patterns in a design diagram because the goals of design patterns are to reuse design experience, to improve communication within and across software development teams, to capture explicitly the design decisions made by designers, and to record design tradeoffs and design alternatives in different applications.
A composite design pattern is defined as a composition of design patterns in which the resulting composition is also considered to be a design pattern [12, 15].
www.jot.fm /issues/issue_2002_11/article3   (3522 words)

  
 Automating the Application of Design Patterns: A Refactoring Approach   (Site not responding. Last check: )
Initially a design pattern is chosen that will serve as a target for the design pattern transformation under development.
The pre- and postconditions for this design pattern transformation are computed in the same way as they are computed for a minitransformation.
An 'X' in a cell indicates that the minitransformation of that column was used in the development of the transformation for the design pattern in that row.
www.cs.ucd.ie /staff/meloc/home/papers/thesis/thesis.htm   (1071 words)

  
 Macromedia - Developer Center : Design Patterns: Elements of Reusable Object-Oriented Software
Design patterns can even improve the documentation and maintenance of existing systems by furnishing an explicit specification of class and object interactions and their underlying intent.
Design patterns are not about designs such as linked lists and hash tables that can be encoded in classes and reused as is. Nor are they complex, domain-specific designs for an entire application or subsystem.
The design pattern identifies the participating classes and instances, their roles and collaborations, and the distribution of responsibilities.
www.adobe.com /devnet/coldfusion/articles/design_patterns.html   (2599 words)

  
 Design pattern (computer science)   (Site not responding. Last check: )
A design pattern isn't a finished design that can be transformed directly into code (computer programming), it is a description or template for how to solve a problem that can be used in many different situations.
Object-oriented design patterns typically show relationships and interactions between class (computer science)es or object (computer science)s, without specifying the exact classes or objects that are involved.
Design patterns can be classified based on multiple criteria, the most common of which is the basic underlying problem they solve.
www.1stcustomsoftware.com /Design_pattern_(computer_science)-94.html   (1054 words)

  
 Ignacio Baumann Fonay : Design patterns
The pattern is, in short, at the same time a thing, which happens in the world, and the rule which tells us how to create that thing, and when we must create it.
The design pattern identifies the participating classes and instances, their roles and collaborations, and the distribution of responsibilities.
I mean, a design pattern deals with a particular problem, yes, but it's up to us to adapt it to our particular case, our concrete context.
staff.southworks.net /blogs/ibaumann/archive/2007/10/09/Design-patterns.aspx   (1094 words)

  
 Patterns and Software: Essential Concepts and Terminology
Design patterns are medium-scale tactics that flesh out some of the structure and behavior of entities and their relationships.
Patterns aren't designed to be executed or analyzed by computers, as one might imagine to be true for rules: patterns are to be executed by architects with insight, taste, experience, and a sense of aesthetics.
Design patterns may be employed both in the design and the documentation of a framework.
www.cmcrossroads.com /bradapp/docs/patterns-intro.html   (10993 words)

  
 Distributed Command Pattern - an extension of command pattern for connected systems - The Code Project - Design and ...
Designers need not worry about how to send necessary data to the server when some command gets executed and how to process received data from the server and then reflect on the UI of the connected applications.
From a designer’s point of view, the architecture remains as simple as a regular desktop application designed using regular command pattern having no network awareness, yet it performs all the necessary communications in order to execute the commands on all connected applications as if the command has been invoked internally.
This raises an architectural design issue where a command needs to be invoked on the originating application and necessary data be sent to the server in order to broadcast the message to all other connected users.
www.codeproject.com /cs/design/distributedcommandpattern.asp   (3511 words)

  
 ipedia.com: Design pattern (computer science) Article   (Site not responding. Last check: )
Typically, a design pattern is thought to encompass a tight interaction of a few classes and objects.
A very important advantage of design patterns is the fact that they speed up the development process by providing an almost ready made solution that has been used earlier and proved to be efficient.
It is also said that design patterns encourage navigational database-like structures instead of the allegedly cleaner relational approach where such structures are viewpoints instead of hard-wired into programming code.
www.ipedia.com /design_pattern__computer_science_.html   (1435 words)

  
 Design Patterns in AOP - Jan Hannemann 2002+
Each pattern is comprised of a number of parts, including purpose/intent, applicability, structure, and sample implementations.
A number of patterns involve crosscutting structures in the relationship between roles in the pattern and classes in each instance of the pattern.
When the software design patterns were first identified, the sample implementations were geared to the current state of the art in object-oriented languages.
www.cs.ubc.ca /~jan/AODPs   (643 words)

  
 Design pattern (computer science)
Design patterns represent the accumulated knowledge of the community of software developers of standardised solutions to recurring problems.
A design pattern is an abstraction of a solution for a particular class of problems.
Design patterns solve specific design problems and make object-oriented designs more flexible and elegant, and ultimately reusable.
www.fact-index.com /d/de/design_pattern__computer_science_.html   (471 words)

  
 Designpattern.eu
Developers use the design pattern by introducing in their designs this prototypical micro-architecture, which means that micro-architectures in their designs will have structure and organization similar to the chosen design motif.
The documentation for a design pattern describes the context in which the pattern is used, the forces within the context that the pattern seeks to resolve, and the suggested solution.
Some authors allege that design patterns don't differ significantly from other forms of abstraction, and that the use of new terminology (borrowed from the architecture community) to describe existing phenomena in the field of programming is unnecessary.
www.designpattern.eu   (1658 words)

  
 Design pattern (computer science) - Wikipedia, the free encyclopedia
Object-oriented design patterns typically show relationships and interactions between classes or objects, without specifying the final application classes or objects that are involved.
Design patterns provide general solutions, documented in a format that doesn't require specifics tied to a particular problem.
It is further argued by some that the primary contribution of the Design Patterns community (and the Gang of Four book) was the use of Alexander's pattern language as a form of documentation; a practice which is often ignored in the literature.
en.wikipedia.org /wiki/Design_pattern_(computer_science)   (1716 words)

  
 Computer Science/Design Patterns - Wikibooks, collection of open-content textbooks
Design Patterns are patterns in design that keep coming back in software design and are written down and named.
Patterns can be classified in different categories, of which the main categories are: Creational Patterns, Structural Patterns and Behavioral Patterns.
But the secret to the MVC pattern is not writing the code, but in maintaining it, and allowing people to modify the code without changing much else.
en.wikibooks.org /wiki/Computer_Science:Design_Patterns   (1804 words)

  
 Design Patterns
For example, several patterns in the GoF book that work well in Java or C++ are unneeded in languages with a more powerful OO approach; especially the creational patterns, which are very much to do with getting around the problems of constructors in C++, Java, C#, etc., not working just like any other method.
Of course we customize patterns for our own internal use, but given a standard set of unit tests for a pattern, as long as your code passes those tests you are still considered to be using that pattern.
This is a high honor, and reflects as well on all WikiZens interested in patterns, and on WardCunningham and his c2 wiki, devoted as it is (and as Ward is) to PeopleProjectsAndPatterns.
c2.com /cgi/wiki?DesignPatterns   (2339 words)

  
 Best Practices Engineering - Software and Design Patterns
Fundamental Design Patterns are general concepts, they are needed in most other patterns to accomplish their task.
Structural Design Patterns are concerned with how classes and objects are composed together to form larger structures.
Behavioral Design Patterns are concerned with algorithms and the assignment of responsibilities between objects.
best-practice-software-engineering.ifs.tuwien.ac.at /patterns.html   (427 words)

  
 Open Directory - Computers: Programming: Methodologies: Patterns and Anti-Patterns
Design Pattern Automation Toolkit - A toolkit to design applications using design patterns, with facility to generate code, and reverse engineering.
Design Patterns Explained: A New Perspective on Object-Oriented Design - By Alan Shalloway and James R. Trott.
The Pattern of Not Using Patterns - Not using patterns is one of the most common anti-patterns.
www.dmoz.org /Computers/Programming/Methodologies/Patterns_and_Anti-Patterns   (891 words)

  
 Design patterns
Some theoreticians have suggested that the study of design patterns has been excessively ad hoc, and that the concept sorely needs to be put on a more formal footing.
Design methods hypothesized by their creators in the small, with obscure graphical notations overnight explode into full-blown CASE (computer-aided software engineering) tools, which bring all of the mind-numbing, strait-jacketed, acontextual design theory to the developer.
Peter Norvig makes a similar argument, wherein he claims that 16 out of the 23 patterns in the Design Patterns book (which is primarily focused on C++) are simplified or eliminated (via direct language support) in Lisp.
www.softpanorama.org /SE/design_patterns.shtml   (650 words)

  
 Pattern Hatching
As for the title of this column, I chose "Pattern Hatching" initially for its similarity to a familiar concept in computer science.
Design patterns have a substantially different structure from Alexander's patterns.
Design patterns also describe in detail how you might implement the pattern, including sample code and a discussion of implementation trade-offs.
www.research.ibm.com /designpatterns/pubs/pathatch.html   (2256 words)

  
 The world's top Computer science websites
This thesis is a fundamental principle of computer science.
Computer scientists study what programs can and cannot do (see computability and artificial intelligence), how programs should efficiently perform specific tasks (see algorithms), how programs should store and retrieve specific kinds of information (see data structures and data bases), and how programs and people should communicate with each other (see human-computer interaction and user interfaces).
Linguistics is the study of languages, converging with computer science in such areas as programming language design and natural language processing.
www.websbiggest.com /dir-wiki.cfm/Computer_science   (1193 words)

  
 College of Staten Island - Graduate Catalog - Computer Science
Any other registered CSI graduate course in computer science shall be counted as an elective for the purposes of fulfilling the MS in Computer Science degree requirements, with the exception of those courses specifically identified as computing for teachers or other computer science teacher education courses.
An advanced course in computer architecture covering a variety of classical computer architecture topics with heavy emphasis on the quantitative approach to analyzing computer architecture and evaluating design tradeoffs.
Students will choose a research topic in Computer Science and select two journal papers on the topic; the articles must be approved by the instructor.
www.csi.cuny.edu /catalog/graduate/computerscience.php3   (1521 words)

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