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Guid is all 0's (zeros)?

I'm testing out some WCF services that send objects with Guids back and forth. In my web app test code, I'm doing the following: ...
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What does “abstract over” mean?

...ala literature, I encounter the phrase "abstract over", but I don't understand the intent. For example , Martin Odersky writes ...
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UnicodeDecodeError: 'ascii' codec can't decode byte 0xe2 in position 13: ordinal not in range(128)

... as a bunch of strs, but it should be unicodes. Python tries to implicitly convert, but fails. Change: job_titles = [line.strip() for line in title_file.readlines()] to explicitly decode the strs to unicode (here assuming UTF-8): job_titles = [line.decode('utf-8').strip() for line in title_file....
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How to get current timestamp in milliseconds since 1970 just the way Java gets

...ime units in a type-safe way so the compiler can enforce unit conversions, and works with normal arithmetic operators (adding timeval structs is annoying). – Oz. Nov 10 '16 at 19:02 ...
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Undefined, unspecified and implementation-defined behavior

What is undefined behavior in C and C++? What about unspecified behavior and implementation-defined behavior? What is the difference between them? ...
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What are type lambdas in Scala and what are their benefits?

...o write out inline. Here's an example from my code from today: // types X and E are defined in an enclosing scope private[iteratee] class FG[F[_[_], _], G[_]] { type FGA[A] = F[G, A] type IterateeM[A] = IterateeT[X, E, FGA, A] } This class exists exclusively so that I can use a name like FG[...
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Creating a constant Dictionary in C#

...return 1; case "elephant": return 3; } This is exactly what you want. And yes, I know, it's ugly. share | improve this answer | follow | ...
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Using a bitmask in C#

...aren to the set by doing this: FlagsHelper.Set(ref names, Names.Karen); And I could remove Susan in a similar way: FlagsHelper.Unset(ref names, Names.Susan); *As Porges pointed out, an equivalent of the IsSet method above already exists in .NET 4.0: Enum.HasFlag. The Set and Unset methods don'...
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How to insert a SQLite record with a datetime set to 'now' in Android application?

... so above you are taking a Date object and converting it to a string to be placed in a sqlite column.. but when you pull that string from the database, how do you convert it back to a Date object? – erik Apr 30 '15 at 3:34 ...
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Calculate size of Object in Java [duplicate]

... an object takes up for a project (I'm comparing sizes of data structures) and it seems like there is no method to do this in Java. Supposedly, C/C++ has sizeOf() method, but this is nonexistant in Java. I tried recording the free memory in the JVM with Runtime.getRuntime().freeMemory() before a...