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How can I use interface as a C# generic type constraint?

...t. This is the default behavior of .NET. For me, this is completely unacceptable. Prerequirements We need to have a constraint mechanism, so for the lack of anything better... let's use an attribute. The attribute will be present on top of a generic constraint to check if it matches our conditions...
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Best practice using NSLocalizedString

...calizedString = [[NSBundle mainBundle] localizedStringForKey:key value:key table:nil]; // if (value == key) and comment is not nil -> returns comment if([localizedString isEqualToString:key] && comment !=nil) return comment; return localizedString; } @end 3. Use i...
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What is the effect of extern “C” in C++?

... 11: 0000000000000000 0 NOTYPE GLOBAL DEFAULT UND _GLOBAL_OFFSET_TABLE_ 12: 0000000000000000 0 NOTYPE GLOBAL DEFAULT UND _Z1gv 13: 0000000000000000 0 NOTYPE GLOBAL DEFAULT UND eg Interpretation We see that: ef and eg were stored in symbols with the same name as in ...
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Technically, why are processes in Erlang more efficient than OS threads?

... To your 3rd point: Erlang enforces immutable data, so introducing SMP should not affect thread-safety. – nilskp Mar 14 '12 at 12:57 ...
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What is Unicode, UTF-8, UTF-16?

...II. In addition, the vast majority of commonly used characters are representable by only two bytes, in a region called the Basic Multilingual Plane (BMP). Now a character encoding is needed to access this character set, and as the question asks, I will concentrate on UTF-8 and UTF-16. Memory consid...
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error: 'Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2)' — Miss

... Sometimes the system startup script that launched the command line executable specifies a flag --socket=path. This flag could override the my.cnf location, and that would result in a socket not being found where the my.cnf file indicates it should be. Then when you try to run the mysql command l...
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Scala: What is a TypeTag and how do I use it?

...flect.ClassTag[List[Int]] =↩ ClassTag[class scala.collection.immutable.List] As one can see above, they don't care about type erasure, therefore if one wants "full" types TypeTag should be used: scala> typeTag[List[Int]] res105: reflect.runtime.universe.TypeTag[List[Int]] = TypeTag[s...
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Good MapReduce examples [closed]

...ort + an explanation of distributed sort algorithm also helps. Join of two tables. People working with DB are familiar with the concept and its scalability problem. Show how it can be done in MR. share | ...
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Difference between static and shared libraries?

...ing costs. The code is simply there." - yes and no... it's all in the executable image ready to be paged in if execution requires, but - starting from a situation where your program hasn't run recently enough to be in cache - with shared libraries it's possible (sometimes likely or certain) that the...
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Why can't I inherit static classes?

...events... Static methods are only held once in memory. There is no virtual table etc. that is created for them. If you invoke an instance method in .NET, you always give it the current instance. This is hidden by the .NET runtime, but it happens. Each instance method has as first argument a pointer ...