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HashSet versus Dictionary w.r.t searching time to find if an item exists

...s for Dictionary is so fast that there is no benefit from using HashSet at all, in the OP's case. – EtherDragon Jul 27 '12 at 23:03 ...
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URL encoding the space character: + or %20?

...he server in an HTTP request message using method GET or POST, or, historically, via email. The encoding used by default is based on a very early version of the general URI percent-encoding rules, with a number of modifications such as newline normalization and replacing spaces with "+" instead of "...
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Natural Sort Order in C#

... @linquize - He said .NET not Mono, so Linux/OSX isn't really a concern. Windows Phone/Metro didn't exist in 2008 when this answer was posted. And how often do you do file operations in Silverlight? So for the OP, and probably most other people, it was a suitable answer. In any cas...
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Cast Object to Generic Type for returning

...> T convertInstanceOfObject(java.lang.Object); Code: 0: aload_0 1: areturn 2: astore_1 3: aconst_null 4: areturn Exception table: from to target type 0 1 2 Class java/lang/ClassCastException public static void main(java...
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What is 'Pattern Matching' in functional languages?

...wesome. Algebraic data types in a nutshell ML-like functional languages allow you define simple data types called "disjoint unions" or "algebraic data types". These data structures are simple containers, and can be recursively defined. For example: type 'a list = | Nil | Cons of 'a * 'a ...
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How to get my IP address programmatically on iOS/macOS?

I would like to obtain my iPad's IP address programmatically. How can I query the networking subsystem to find out what my IPv4 (and IPv6) addresses are? ...
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Position of least significant bit that is set

...is very slow compared to multiplication on modern hardware. So I wouldn't call it a better solution. – Apriori Mar 28 '14 at 1:37 2 ...
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EF Migrations: Rollback last applied migration?

This looks like a really common task, but I can't find an easy way to do it. 14 Answers ...
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What are rvalues, lvalues, xvalues, glvalues, and prvalues?

...e they needed? Probably not if we wish to forfeit the new features. But to allow better optimization we should probably embrace them. Quoting n3055: An lvalue (so-called, historically, because lvalues could appear on the left-hand side of an assignment expression) designates a function or an obj...
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What is dynamic programming? [closed]

...ith dynamic programming, you store your results in some sort of table generally. When you need the answer to a problem, you reference the table and see if you already know what it is. If not, you use the data in your table to give yourself a stepping stone towards the answer. The Cormen Algorithms ...