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A presentation by Jenny and Andrew Photo by Dan Taylor (CC license) This presentation was originally shown at a joint IASA / NYJavgSIG meeting on June 26, 2007 - http://www.stellman-greene.com/Who we are…: Who we are… Andrew started programming in the 80s, and lost count of how many languages he’s worked with. He’s led teams of programmers, requirements analysts and process engineers. Jenny’s spent the last 15 years or so working in software quality Jenny and Andrew truly believe that with better development practices and good programming habits, we can all build better software. She’s currently running a large distributed development team for a global media companyBefore we forget… are there any Microsoft C# people in the audience?: Before we forget… are there any Microsoft C# people in the audience? Our current project is Head First C#, and we’re looking for another technical reviewer. If you’re a hardcore C# guru and want to help make a Head First book better, please talk to us after we’re done.So why do projects fail?: So why do projects fail? Good question. If you can recognize a failing project before it crashes and burns, you can usually save it.“This time it’s different…”: “This time it’s different…” There’s an old saying about how there are a million ways to fail, but only one way to be right. When it comes to projects, nothing’s further from the truth. Projects fail the same few ways over and over again. Don’t go in the basement! Software projects are a lot like cheesy horror movies. After you’ve seen a few of them, you know that the first guy to leave the group is going to get an axe in his head. Projects are the same way. People keep making the same mistakes over and over, and it keeps getting their projects killed.You know you’re on a failed project when…: You know you’re on a failed project when… A judge in 1964 said, “I don’t know how to define pornography, but I know it when I see it.” And the same goes for failing projects - we all know when we’re on one that’s sinking. What does a failing project look like? You know your project failed if it got aborted and everyone was laid off. But there are other, less obvious kinds of failure: The project costs a lot more than it should. It takes a lot longer than anyone expected. The product doesn’t do what it was supposed to. Nobody is happy about it.People hate the word “failure”.: People hate the word “failure”. Nobody sets out to fail. Most projects start with a good idea and talented people. (Not all, but most.) But talking about failure makes people uncomfortable, because nobody wants to give or take that kind of criticism. A show of hands, please… We’ve never met a single professional software engineer with more than a few years of experience who hasn’t been on at least one failed project. Are there any here?Four basic ways projects can fail: Four basic ways projects can fail There are plenty of ways that you can categorize failed projects. We like to think of them like this: Things the boss does Ways your management can screw up your project for you Things the software does (or doesn’t do) How your project doesn’t quite meet the needs of the people you built it for Things the team should’ve done Yes, sometimes we do mess it up too Things that could have been caught …but weren’t until it was way too late.Things the boss does: Things the boss does Let’s face it… a lot of project problems start at the top. Tunnel vision Over-reliance on gut instincts Repeated false starts Mid-course corrections An artificial “wall” that the business puts up to disconnect from the engineering teamThings the software does (or doesn’t do): Things the software does (or doesn’t do) It seems pretty obvious that you should know what the software’s supposed to do before you start building it... not that that stops us. We only find serious problems after we’ve built them into the software We have big, useless meetings that fail to figure out what the software’s supposed to do Scope creep 90% done, with 90% left to go.Things the team should’ve done: The team could have done the work more efficiently, if only we’d taken the time to think it through. Padded estimates compensate for unknowns. Project teams will just pick a deadline and stick to it, no matter what basic reason and common sense tell them. Somehow non-programming tasks always seem to get cut when the deadline gets closer. Misunderstood predecessors lead to cascading delays. Things the team should’ve doneThings that could have been caught: Which would you choose: a well-built program that doesn’t do what you need or a crappy one that’s irritating to use and does? Getting a few tech support people to “bang on the software” is not testing. Maybe we could’ve caught that design problem before the code was built. Maybe we could’ve caught that code problem before we went to test. “Beta” does not mean “use at your own risk.” Things that could have been caughtWhat you can do about it: What you can do about it Some easy ways to make sure your project doesn’t fail: Tell the truth all the time Trust your team Review everything, test everything All developers are created equal The fastest way through the project is the right way through the projectThe talent is there… the engineering’s not.: The talent is there… the engineering’s not. Hoover Dam was finished two years early, and under budget. Software’s not so different that we can’t engineer it just as well. Our problems have, for the most part, been solved. Over and over and over again. Seriously. We just have to stop ignoring the solutions. Also, hire awesome consultants who know what they’re doing and have solved these problems before. (us.) Do you think your project is more complicated than this one?One last quick note from the O’Reilly marketing department: One last quick note from the O’Reilly marketing department Buy these books And check out our blog, “Building Better Software” http://www.stellman-greene.com/ You do not have the permission to view this presentation. In order to view it, please contact the author of the presentation.