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Split a vector into chunks in R

... f) if(force.number.of.groups) { g.names <- names(g) g.names.ordered <- as.character(sort(as.numeric(g.names))) } else { g.names <- names(g[-length(g)]) g.names.ordered <- as.character(sort(as.numeric(g.names))) g.names.ordered <- c(g.names.ordered, "overflow"...
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What is SOA “in plain english”? [closed]

...mmunity) is the provider and the pipes, sewers, powerlines, optical fibers etc. is the Infrastructure in which they communicate. This model could loosely be compared to a SOA. The people in the house uses a number of different "applications" like radiators, computers, toilets, lamps, underfloor h...
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Combining C++ and C - how does #ifdef __cplusplus work?

... It's about the ABI, in order to let both C and C++ application use C interfaces without any issue. Since C language is very easy, code generation was stable for many years for different compilers, such as GCC, Borland C\C++, MSVC etc. While C++ ...
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Remove duplicates from an array of objects in JavaScript

...orks, it does not take care of a sorted array since fetching keys is never order guaranteed. So, you end up sorting it again. Now, suppose the array was not sorted but yet its order is important, there is no way you can make sure that order stays intact – Deepak G M ...
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What's the difference between a file descriptor and file pointer?

...ngst other things such as end-of-file and error indicator, stream position etc. So using fopen() gives you a certain amount of abstraction compared to open(). In general you should be using fopen() since that is more portable and you can use all the other standard C functions that uses the FILE str...
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How to do this in Laravel, subquery where in

...uery) { $query->select(DB::raw(1)) ->from('orders') ->whereRaw('orders.user_id = users.id'); }) ->get(); This will produce: select * from users where id in ( select 1 from orders where orders.user_id = users.id ) ...
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Why am I getting 'Assembly '*.dll' must be strong signed in order to be marked as a prerequisite.'?

I'm trying to compile my excel addin using C# 4.0, and started to get this problem when building my project in Visual Studio. It's important to tell you that I haven't had this problem before. What could cause this to happen? ...
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What algorithm can be used for packing rectangles of different sizes into the smallest rectangle pos

...ccommodate R, a new level is created. Bottom-Left (BL) Algorithm BL first order items by non-increasing width. BL packs the next item as near to the bottom as it will fit and then as close to the left as it can go without overlapping with any packed item. Note that BL is not a level-oriented packin...
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Is Fortran easier to optimize than C for heavy calculations?

...ry and technology, this often meant restricting features and capability in order to give the compiler the best shot at optimizing the code. A good analogy is to think of Fortran 77 as a professional race car that sacrifices features for speed. These days compilers have gotten better across all langu...
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How to use DbContext.Database.SqlQuery(sql, params) with stored procedure? EF Code First C

...pe.DateTime, Value = endDate }); Another important thing is to respect the order of the parameters. – Francisco Goldenstein Jul 21 '14 at 17:56 ...