Dependency Principles for SOA

by Mark Little on  Jul 29, 2013

Earlier this year Ganesh Prasad discussed the concept of thinking of SOA as "Dependency-Oriented Thinking". Based upon further interactions and involvement with real-world use cases, Ganesh has come up with a dozen principles which he believes can help successful SOA.

Open-Closed Principle in SOLID Object Orientation Rules Challenged

by Jan Stenberg on  May 07, 2013 1

The Open-Closed Principle, OCP, part of the object-orientation SOLID principles, was recently criticised by Jon Skeet and Robert Ashton who both believes the principle is doing more harm than good. Robert C. Martin, who identified the principles in the early 2000s, however, defends the principle, arguing that you have to look at the full description, not just the short definition.

Will Tschumy on Microsoft Design Principles

by Anand Narayanaswamy on  Nov 13, 2012

Will Tschumy outlined five design principles at the recently held //build/ with a series of screenshots to showcase the user interface enhancements of various products released over the last few years.

New Books on Software Architecture

by Michael Stal on  Jun 17, 2011 4

Software Architecture is one of the important topics for software engineers, because many failures of software development projects are caused by inadequate design. Thus, it is essential to learn more about architectural issues in theory and practice. Interesting new books that have been published recently or in the near future could be very helpful

Joshua Kerievsky Introduces "Sufficient Design" To The Craftsmanship Discussion

by Mike Bria on  May 19, 2010 15

Software Craftsmanship has been a hot topic as of late. Joshua Kerievsky posits a possible counter-perspective to the underlying "code must always be clean!" ethos of the craftsmanship movement; something he calls "Sufficient Design". Learn about what Joshua means, and hear thoughts also from Bob Martin and Ron Jeffries on Kerievsky's ideas.

Agile Architecture - Oxymoron or Sensible Partnership?

by Shane Hastie on  May 14, 2010 9

A number of commentators have been talking about the perceived dichotomy between Agile techniques and architectural thinking. This post investigates some of the tensions between Big Up Front Design (BDUF) and You Aint Gonna Need It (YAGNI) thinking and looks at how the two approaches can in fact work together in complimentary ways.

Should We Define SOA Non-Principles?

by Boris Lublinsky on  Apr 14, 2010 4

In addition to well established principles and anti-principles, Steve Jones’ new post introduces the notion of non-principles of an SOA implementation and explains why they are important.

Should We Rely on Language Constraints or Responsibility?

by Abel Avram on  Jul 17, 2009 9

Bruce Eckel, Michael Feathers, Niclas Nilsson, Keith Braithwaite, and others on the question: should languages be fully flexible, allowing the developers to tweak them as they like, and trusting they will be responsible in their work, or should there be clear constraints set in the language from its design phase to avoid mistakes that create bad code, hard to maintain or to read?

Presentation: Kent Beck on Responsive Design

by Amr Elssamadisy on  Jun 04, 2009 4

Purpose and intent are just as important as skill in effective software development. Skill allows you to deliver value in difficult technical circumstances. Clear purpose and positive intent allow you to deliver value in difficult social and business circumstances. Kent Beck shares his design technique which involves both intent and a small set of strategies he uses when designing.

Presentation: Meeting the Challenge of Simplicity

by David West on  May 15, 2009

This session addresses the abstract notion of simplicity, looks at why it is critical in modern UI design and answers questions: Why does simplicity matter? Is there a meaningful definition of simplicity? Why do design processes and good intentions undermine simplicity? What processes and techniques can software developers use to achieve simplicity?

An Agile Approach to Code Reuse

by Chris Sims on  Apr 13, 2009 11

A recent discussion on the Extreme Programming Yahoo Group explored the apparent conflict between making software reusable and the XP practice of not writing code until it is needed. Ron Jeffries and others shared insights about the costs and benefits of code reuse, as well as how and when to do it in an agile environment.

C# 4.0 "Fixes" Deadlock Issue

by David West on  Mar 11, 2009 2

C# 4.0 implemented a change that assured optimized and non -optimized compiles yielded consistent results. This "Fix" emphasized some design problems with locking mechanisms.

Spolsky vs Uncle Bob

by Niclas Nilsson on  Feb 17, 2009 8

The last few weeks, a public dispute has been going on between Joel Spolsky and Robert C Martin (Uncle Bob) about Test-Driven Development and about the SOLID principles of OO design. Here is a summary and review of the match.

Refactoring Not a Substitute for Design

by Chris Sims on  Feb 09, 2009 2

A member of the stack overflow community asked "Is design now a subset of refactoring?" The question highlights a common misunderstanding about the agile approach to emergent design. A common agile mantra is: "Test. Code. Refactor. Repeat!" This approach doesn't replace design; it simply spreads the work out over the life of the project.

Presentation: REST: A Pragmatic Introduction to the Web's Architecture

by Abel Avram on  Jan 30, 2009 6

In this presentation recorded during QCon London 2008, Stefan Tilkov introduces the audience to REST seen as an architectural style. He thinks that REST is not an alternative to SOA but it can serve SOA to reach its goals. Stefan also covers other related topics: HTTP, WS-*, SOAP, CORBA, RPC, enterprise, in an attempt to make the listeners understand what REST is and what is not and how it helps.

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