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Update relationships when saving changes of EF4 POCO objects

Entity Framework 4, POCO objects and ASP.Net MVC2. I have a many to many relationship, lets say between BlogPost and Tag entities. This means that in my T4 generated POCO BlogPost class I have: ...
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Open existing file, append a single line

...for that: File.AppendAllText(@"c:\path\file.txt", "text content" + Environment.NewLine); share | improve this answer | follow | ...
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Loop code for each file in a directory [duplicate]

I have a directory of pictures that I want to loop through and do some file calculations on. It might just be lack of sleep, but how would I use PHP to look in a given directory, and loop through each file using some sort of for loop? ...
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How do you log server errors on django sites

So, when playing with the development I can just set settings.DEBUG to True and if an error occures I can see it nicely formatted, with good stack trace and request information. ...
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When to use actors instead of messaging solutions such as WebSphere MQ or Tibco Rendezvous?

... answers to What design decisions would favour Scala's Actors instead of JMS? . 3 Answers ...
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Convert form data to JavaScript object with jQuery

How do I convert all elements of my form to a JavaScript object? 51 Answers 51 ...
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Is cout synchronized/thread-safe?

In general I assume that streams are not synchronized, it is up to the user to do appropriate locking. However, do things like cout get special treatment in the standard library? ...
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Multiple INSERT statements vs. single INSERT with multiple VALUES

I'm running a performance comparison between using 1000 INSERT statements: 4 Answers 4...
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Passing Data between View Controllers

I'm new to iOS and Objective-C and the whole MVC paradigm and I'm stuck with the following: 46 Answers ...
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SQLAlchemy: What's the difference between flush() and commit()?

What the difference is between flush() and commit() in SQLAlchemy? 5 Answers 5 ...