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When is it right for a constructor to throw an exception?
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How to delete duplicates on a MySQL table?
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Why is @autoreleasepool still needed with ARC?
... release pools.
One of the other changes they made with the new Clang 3.0 compiler and ARC is that they replaced NSAutoReleasePool with the @autoreleasepool compiler directive. NSAutoReleasePool was always a bit of a special "object" anyway and they made it so that the syntax of using one is not co...
How do I vertically center text with CSS? [duplicate]
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community wiki
14 revs, 7 users 76%Michiel van Oosterhout
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Finalize vs Dispose
...), so I'll just add a little about the scenarios where the Finalize method comes in handy.
Some types encapsulate disposable resources in a manner where it is easy to use and dispose of them in a single action. The general usage is often like this: open, read or write, close (Dispose). It fits very...
When NOT to use yield (return) [duplicate]
...Further reading: see Wes Dyer's article on the subject:
http://blogs.msdn.com/b/wesdyer/archive/2007/03/23/all-about-iterators.aspx
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Find nearest latitude/longitude with an SQL query
...ssue for short search radii. Otherwise Evan's and Igor's answers are more complete.
– John Vance
Nov 8 '13 at 3:46
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What's the difference between IQueryable and IEnumerable
...T>> for predicates and anonymous functions. Expression<T> is a compiled expression tree, a broken-up version of the method ("half-compiled" if you will) that can be parsed by the queryable's provider and used accordingly.
For example:
IEnumerable<Person> people = GetEnumerablePeo...
How would I run an async Task method synchronously?
... I updated John's code to work without wrapping tasks in lambdas: github.com/tejacques/AsyncBridge. Essentially you work with async blocks with the using statement. Anything inside a using block happens asynchronously, with a wait at the end. The downside is that you need to unwrap the task yourse...