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The specified type member 'Date' is not supported in LINQ to Entities. Only initializers, entity mem

... mentioned in comments, in Entity Framework 6 EntityFunctions is obsolete, and you should use DbFunctions class, which is shipped with Entity Framework. share | improve this answer | ...
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Is gcc's __attribute__((packed)) / #pragma pack unsafe?

...6 systems won't reveal the problem. (On the x86, misaligned accesses are handled in hardware; if you dereference an int* pointer that points to an odd address, it will be a little slower than if it were properly aligned, but you'll get the correct result.) On some other systems, such as SPARC, att...
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How efficient can Meteor be while sharing a huge collection among many clients?

...iption provides; the Mongo driver, which watches the database for changes; and the merge box, which combines all of a client's active subscriptions and sends them out over the network to the client. Publish functions Each time a Meteor client subscribes to a collection, the server runs a publish f...
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How do you match only valid roman numerals with a regular expression?

...L|L?X{0,3})(IX|IV|V?I{0,3})$ Breaking it down, M{0,4} specifies the thousands section and basically restrains it to between 0 and 4000. It's a relatively simple: 0: <empty> matched by M{0} 1000: M matched by M{1} 2000: MM matched by M{2} 3000: MMM matched by M{3} 4000:...
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Remove empty strings from a list of strings

... question that was asked). List Comprehensions are the pythonic solution, and filter should only be used if profiling has proven that the listcomp is a bottleneck. – Tritium21 Feb 21 '15 at 18:18 ...
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Putting an if-elif-else statement on one line?

...itting everything on one line would most likely violate PEP-8 where it is mandated that lines should not exceed 80 characters in length. It's also against the Zen of Python: "Readability counts". (Type import this at the Python prompt to read the whole thing). You can use a ternary expression in P...
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How to delete multiple values from a vector?

I have a vector like: a = c(1:10) and I need to remove multiple values, like: 2, 3, 5 8 Answers ...
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Why does C++11 not support designated initializer lists as C99? [closed]

... constructor. This is the sort of abstraction C++ promotes. On the other hand the designated initializers feature is more about exposing and making members easy to access directly in client code. This leads to things like having a person of age 18 (years?) but with height and weight of zero. In ...
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Merging: Hg/Git vs. SVN

I often read that Hg (and Git and...) are better at merging than SVN but I have never seen practical examples of where Hg/Git can merge something where SVN fails (or where SVN needs manual intervention). Could you post a few step-by-step lists of branch/modify/commit/...-operations that show where S...
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What are free monads?

I've seen the term Free Monad pop up every now and then for some time, but everyone just seems to use/discuss them without giving an explanation of what they are. So: what are free monads? (I'd say I'm familiar with monads and the Haskell basics, but have only a very rough knowledge of cat...