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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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Explaining Python's '__enter__' and '__exit__'

...nt. The idea is that it makes it easy to build code which needs some 'cleandown' code executed (think of it as a try-finally block). Some more explanation here. A useful example could be a database connection object (which then automagically closes the connection once the corresponding 'with'-sta...
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How do I put the image on the right side of the text in a UIButton?

...view if I can avoid it. I want a UIButton with a background image, text, and an image in it. Right now, when I do that, the image is on the left side of the text. The background image, text, and image all have different highlight states. ...
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An ASP.NET setting has been detected that does not apply in Integrated managed pipeline mode

I Installed DotNetOpenAuth SDK-3.4.5.10201.vsix and I can't get it working. It works locally (when I run as localhost) but when i try to publish it ain't working. ...
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Does Java SE 8 have Pairs or Tuples?

I am playing around with lazy functional operations in Java SE 8, and I want to map an index i to a pair / tuple (i, value[i]) , then filter based on the second value[i] element, and finally output just the indices. ...
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java.util.regex - importance of Pattern.compile()?

...ld of the Matcher object is through the Pattern object's matcher() method, and the only way to get ahold of the Pattern object is through the compile() method. Then there's the find() method which, unlike matches(), is not duplicated in the String or Pattern classes. The other reason is to avoid ...
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Create an index on a huge MySQL production table without table locking

...ed to create an index on a ~5M rows MySQL table. It is a production table, and I fear a complete block of everything if I run a CREATE INDEX statement... ...
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Understanding the Gemfile.lock file

After running the bundle install command, 'Gemfile.lock ' is created in the working directory. What do the directives inside that file mean? ...
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C# Set collection?

...set operations. A set is a collection that contains no duplicate elements, and whose elements are in no particular order... The capacity of a HashSet(Of T) object is the number of elements that the object can hold. A HashSet(Of T) object's capacity automatically increases as elements are ad...
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Mockito - difference between doReturn() and when()

...e thing or what is the subtle difference between doReturn(...).when(...) and when(...).thenReturn(...) ? 5 Answers ...