By Darin Dillon
Debugging ideas for .NET builders is a hugely readable exploration of debugging with Microsoft .NET. whereas many different debugging books specialize in vague thoughts for complex clients, this ebook is full of real-world examples&emdash;designed for real-world builders &emdash;that express particular recommendations in live performance with total debugging strategies.
This publication teaches you the way to imagine when it comes to debugging with Microsoft .NET. writer Darin Dillon describes debugging thoughts, resembling assertions and logging, and follows each one dialogue with first-hand money owed of utilizing those thoughts to unravel real-world insects. The booklet won't merely offer you the options, however it will make you a grasp at spotting whilst and the way the ideas have to be applied.
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I can understand how bugs like that could have happened. " Maybe the design was less obvious and the function actually took an integer (0 vs. 1) or perhaps even a bit vector to control several different properties in addition to the state of the indicator icon. Then the likelihood of a bug here would be even higher. I'm surprised the phone company's testing department didn't notice this obvious problem, but I can definitely see how the developer could have been introduced this bug. Luckily, this bug fixed itself once I heard the announcement.
But of course there are limits. We could drill down into deeper details for each subcomponent, but at some point, hypothesizing about the details of the black boxes becomes mere guesswork. Already, we've assumed three separate components when maybe two of those components were actually built together in one monolithic database trigger. And even though we've identified three major areas of functionality, that doesn't mean there are just three components— probably the system is far more complex than our diagram shows.
First, ask what could possibly be wrong with the data store. Without going into low-level details, the data store could either be failing to save the voice mails, or else it could be failing to retrieve them. Those are the only two possible symptoms. We just need to figure out if either of those symptoms is occurring. If this were a traditional debugging situation, then we'd have access to the data store object and could run tests against it directly. Most databases are equipped with tools for viewing (or in this case, hearing) the data, so we could check to see if messages were getting correctly stored.
Debugging Strategies For .NET Developers by Darin Dillon