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What does it mean when git says a file “needs update”?

... It's not actually the pull - it's the merge that's part of the pull. You'll see the same error if you try to merge a local branch with the same problem, and I think other mergey operations (apply, stash apply...) print similar errors if n...
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MySQL “between” clause not inclusive?

...t; 23:59:59 and t < 24:00:00. Why deal with poorly specified BETWEEN at all? Rather follow David's advice and use: WHERE dob >= '2011-01-01' AND dob < '2011-02-01'. Best performance, and it works every time. – Disillusioned Feb 27 '17 at 9:13 ...
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how does multiplication differ for NumPy Matrix vs Array classes?

... and b) there's additional overhead compared to a "normal" numpy array. If all you're doing is linear algebra, then by all means, feel free to use the matrix class... Personally I find it more trouble than it's worth, though. For arrays (prior to Python 3.5), use dot instead of matrixmultiply. E.g...
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Is Fortran easier to optimize than C for heavy calculations?

... that Fortran is or can be faster then C for heavy calculations. Is that really true? I must admit that I hardly know Fortran, but the Fortran code I have seen so far did not show that the language has features that C doesn't have. ...
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LINQ-to-SQL vs stored procedures? [closed]

... Some advantages of LINQ over sprocs: Type safety: I think we all understand this. Abstraction: This is especially true with LINQ-to-Entities. This abstraction also allows the framework to add additional improvements that you can easily take advantage of. PLINQ is an example of adding...
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When someone writes a new programming language, what do they write it IN?

...rst compilers for "high level languages" would have been written in whats called "assembly language". Assembly language is a language where each instruction in the language corresponds to a single instruction to the CPU. Its very low level language and extremely verbose and very labor intensive to w...
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How different is Objective-C from C++? [closed]

... Short list of some of the major differences: C++ allows multiple inheritance, Objective-C doesn't. Unlike C++, Objective-C allows method parameters to be named and the method signature includes only the names and types of the parameters and return type (see bbum's and Chuck...
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Copy rows from one Datatable to another DataTable?

... Though your answer technically is correct, your code sample doesn't address your assumptions. The answer by @RageeshGr handles all the assumptions and IMHO is written more concisely and is less error prone. – chris.nesbit1 ...
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How to compare DateTime in C#?

... MuSTaNG's answer says it all, but I am still adding it to make it a little more elaborate, with links and all. The conventional operators greater than (>), less than (<), equality (==), and more are available for DateTime since .NET Framewor...
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Where does the @Transactional annotation belong?

...r their methods or is it better to annotate the Service classes which are calling using the DAO objects? Or does it make sense to annotate both "layers"? ...