Scott Hanselman

Here's a nice list of .NET CF (Compact Framework) projects you can play with.  The first three items (FotoVision, TaskVision and Signature) make good demos.  These are all courtesy of Vertigo Software.

• FotoVision
• Pocket TaskVision
• Signature Sample Application
• Control Point
• DateTimePicker Control
• Generating GUIDs
• Developing Setup Applications

About Scott

Scott Hanselman is a former professor, former Chief Architect in finance, now speaker, consultant, father, diabetic, and Microsoft employee. He is a failed stand-up comic, a cornrower, and a book author.

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On a private mailing list Richard Hundhausen dug up this good info if you've ever experienced the "Deadlock detected" error in ASP.NET, perhaps when calling a long running Web Service:

• KB 821268 http://support.microsoft.com/default.aspx?scid=kb;en-us;821268
• KB 828222 http://support.microsoft.com/?ID=828222

• This reply from David Wang (MSFT) on the Google groups with some interesting information:

  You need to turn pinging back on. Report unhealthy depends on failing the ping (and failing the ping is what triggers IIS to recycle the worker process). Enabling pinging should not affect your other recycling options, since all you needed to do was turn off all the time-based recycling metrics -- from a default installation, all you need to turn off are "Idle Timeout" (15 minutes by default) and "Periodic Recycling" (29 hours by default).

  Regarding - responseRestartDeadlockInterval and responseDeadlockInterval -- there isn't anything comparable in IIS6 because ASP.Net is using the "report unhealthy" mechanism to get IIS6 to recycle itself. How the interval is configured should be specific to ASP.Net.

About Scott

Scott Hanselman is a former professor, former Chief Architect in finance, now speaker, consultant, father, diabetic, and Microsoft employee. He is a failed stand-up comic, a cornrower, and a book author.

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I do a LOT of interviewing here, and for a while we were hiring ASP.NET people.  Here's some of the questions that I asked them.  I came up with these questions because you'd "just know" this stuff if you spent time working on a REAL WORLD ASP.NET site - through design, development, debugging, production debugging, and deployment.

Do they suck? Did I miss any?  How do you think people did?

• From constructor to destructor (taking into consideration Dispose() and the concept of non-deterministic finalization), what the are events fired as part of the ASP.NET System.Web.UI.Page lifecycle. Why are they important? What interesting things can you do at each?
• What are ASHX files?  What are HttpHandlers?  Where can they be configured?
• What is needed to configure a new extension for use in ASP.NET? For example, what if I wanted my system to serve ASPX files with a *.jsp extension?
• What events fire when binding data to a data grid? What are they good for?
• Explain how PostBacks work, on both the client-side and server-side. How do I chain my own JavaScript into the client side without losing PostBack functionality?
• How does ViewState work and why is it either useful or evil?
• What is the OO relationship between an ASPX page and its CS/VB code behind file in ASP.NET 1.1? in 2.0?
• What happens from the point an HTTP request is received on a TCP/IP port up until the Page fires the On_Load event?
• How does IIS communicate at runtime with ASP.NET?  Where is ASP.NET at runtime in IIS5? IIS6?
• What is an assembly binding redirect? Where are the places an administrator or developer can affect how assembly binding policy is applied?
• Compare and contrast LoadLibrary(), CoCreateInstance(), CreateObject() and Assembly.Load().

About Scott

Scott Hanselman is a former professor, former Chief Architect in finance, now speaker, consultant, father, diabetic, and Microsoft employee. He is a failed stand-up comic, a cornrower, and a book author.

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Wow, and then one day the internet does something useful by providing me with Dietary and Nutritional Information for Fast Food Restaurants.

Steak & Cheese Sub, 6-inch Classic sandwich steak and melted cheese with lettuce, tomato, onion, green peppers, olives, pickles, cheese, oil, vinegar, salt and pepper on Italian white bread

Nutrition Facts Serving Size:  1 6-inch sub • 256g Amount Per Serving Calories  390 Calories from Fat  126 % DV* Total Fat  14g 22%     Saturated Fat  5g 25% Cholesterol 35mg 12% Sodium  1210mg 50% Total Carbohydrate  48g 16%     Dietary Fiber  5g 20%     Sugars  7g   Protein  24g 48% Vitamin A  10% • Vitamin C  40% Calcium  15% • Iron  45% Unofficial Pts: 8 Percent of Calories from: Fat-32.3%     Carb-49.2%     Protein-24.6%     (Total may exceed 100% due to rounding)

About Scott

Scott Hanselman is a former professor, former Chief Architect in finance, now speaker, consultant, father, diabetic, and Microsoft employee. He is a failed stand-up comic, a cornrower, and a book author.

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Remember that "Web Gardening" is like having a tiny Web Farm on a multi-proc box.  Each processor gets an ASP.NET Worker Process with affinity (that means the process "sticks") to that processor.

But what happens if you use the Cache object?  Well, each AppDomain gets a Cache object, and each ASP.NET Worker Process has one AppDomain per Web Site, and each processor gets one WP, so...if you have four processors, the Cache object will exist four times.

That means, ASP.NET Cache state is NOT shared amongst processors in a single-box multi-proc system.

Make sure you grok this if you ever find yourself working on a single box web site with multiple procs and web gardening on.  If you've:

• coded your site to assume that the cache will fill once and only once per machine
• used physical files as CacheDependancies to key off the cache
• assumed that any one user will magically return to the same process on the same machine on subsequent requests

then things may well behave differently than you thinkin a web gardening scenario.

About Scott

Scott Hanselman is a former professor, former Chief Architect in finance, now speaker, consultant, father, diabetic, and Microsoft employee. He is a failed stand-up comic, a cornrower, and a book author.

About   Newsletter

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