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c# Programming Glossary: unionhttp://stackoverflow.com/questions/126781/c-union-in-c-sharp union in C# I'm translating a library written in C to C# and the.. translating a library written in C to C# and the keyword 'union' exists once. In a struct. What's the correct way of translating.. it do It looks something like this struct Foo float bar union int killroy float fubar as c# c unions share improve this..
http://stackoverflow.com/questions/3151702/discriminated-union-in-c-sharp union in C# Note This question had the original title C ish style.. C# Note This question had the original title C ish style union in C# but as Jeff's comment informed me apparently this structure.. me apparently this structure is called a 'discriminated union' Excuse the verbosity of this question. There are a couple of..
Programming to interfaces while mapping with Fluent NHibernate http://stackoverflow.com/questions/845536/programming-to-interfaces-while-mapping-with-fluent-nhibernate mapping share improve this question UPDATE using union subclass is not supported via the fluent interface fluent nhibernate.. how to NHibernate should deal with implementers by using union subclass. So for example this should allow you to make polymorphic.. table IAccountManager id name Id generator class hilo id union subclass table DefaultAccountManager name DefaultAccountManager..
Joining two IQueryable variables of different types together using LINQ http://stackoverflow.com/questions/11190152/joining-two-iqueryable-variables-of-different-types-together-using-linq into one variable var res_v_res from c in res select c .Union from v in v_res select v I get the following error however Instance.. type and use ToList for both then you should be able to Union them as follows var v_res from s in db.V_CMUCUSTOMER select.. and view values into one variable var res_v_res v_res.Union res This may be onerous if there are dozens of columns but should..
http://stackoverflow.com/questions/204505/preserving-order-with-linq selector is invoked and a sequence of values is returned. Union When the object returned by this method is enumerated Union.. When the object returned by this method is enumerated Union enumerates first and second in that order and yields each element..
How to do a full outer join in Linq? http://stackoverflow.com/questions/2085422/how-to-do-a-full-outer-join-in-linq var studentIDs StudentClasses.Select sc sc.StudentID .Union StudentTeachers.Select st st.StudentID .Distinct Distinct not.. st st.StudentID .Distinct Distinct not necessary after Union var q from id in studentIDs join sc in StudentClasses on id..
What guarantees are there on the run-time complexity (Big-O) of LINQ methods? http://stackoverflow.com/questions/2799427/what-guarantees-are-there-on-the-run-time-complexity-big-o-of-linq-methods for the more complex operations the set like operators Union Distinct Except etc. work using GetHashCode by default afaik.. Join and I believe also the set aggregation methods Union Intersect and Except use hashing so they should be close to..
http://stackoverflow.com/questions/3151702/discriminated-union-in-c-sharp is a reference to a particular type. I called the class Union because what I am trying to achieve reminded me of the union.. reminded me of the union concept in C. public class Union A B C private readonly Type type public readonly A a public.. a public B B get return b public C C get return c public Union A a type typeof A this.a a public Union B b type typeof B..
SqlException about UNION, INTERSECT and EXCEPT http://stackoverflow.com/questions/650847/sqlexception-about-union-intersect-and-except foreign key has a property which is what I want query a.Union b Final filter and then get result as a list var list query.. query .Where last requirement .ToList If I remove the a.Union b parts it runs without the exception. So I know the error is.. too crazy here Have I misunderstood how to use the Union thing Basically what I have is some entities which have a foreign..
Merge two object lists with linq http://stackoverflow.com/questions/720609/merge-two-object-lists-with-linq This can easily be done by using the Linq extension method Union. For example var mergedList list1.Union list2 .ToList This will.. extension method Union. For example var mergedList list1.Union list2 .ToList This will return a List in which the two lists.. are removed. If you don't specify a comparer in the Union extension method like in my example it will use the default..
http://stackoverflow.com/questions/801757/disjoint-union-in-linq Union in LINQ I have two sets ILists where I need all the items from..
When is it better to write “ad hoc sql” vs stored procedures [duplicate] http://stackoverflow.com/questions/2734007/when-is-it-better-to-write-ad-hoc-sql-vs-stored-procedures is long for example forget about using DISTINCT TOP UNION GROUP BY OR etc. so you really cannot count on this for performance...
Is it possible to get the parsed text of a SqlCommand with SqlParameters? http://stackoverflow.com/questions/2789476/is-it-possible-to-get-the-parsed-text-of-a-sqlcommand-with-sqlparameters something similar WITH SomeTable SomeColumn AS SELECT N' ' UNION ALL SELECT N' o' UNION ALL SELECT N'^_^' SELECT SomeColumn FROM.. SomeTable SomeColumn AS SELECT N' ' UNION ALL SELECT N' o' UNION ALL SELECT N'^_^' SELECT SomeColumn FROM SomeTable And the sample.. COMMAND_TEXT @ WITH SomeTable SomeColumn AS SELECT N' ' UNION ALL SELECT N' o' UNION ALL SELECT @Value SELECT SomeColumn FROM..
C#, Linq2Sql: Is it possible to concatenate two queryables into one? http://stackoverflow.com/questions/569671/c-linq2sql-is-it-possible-to-concatenate-two-queryables-into-one the WHERE clause the second has two separate queries with UNION . Here's the extension method I used static Expression Func..
How to optimize MySQL Boolean Full-Text Search? (Or what to replace it with?) - C# http://stackoverflow.com/questions/6034976/how-to-optimize-mysql-boolean-full-text-search-or-what-to-replace-it-with 'word1' OR D.word 'word2' GROUP BY I.rec_id HAVING count 2 UNION SELECT rec_id 1 AS count FROM invert AS I dict AS D WHERE I.word_id..
Simulating CTE recursion in C# http://stackoverflow.com/questions/6225123/simulating-cte-recursion-in-c-sharp AS lvl FROM dbo.hierarchical_table WHERE parent_id IS NULL UNION ALL SELECT t1.id t1.parent_id t1.data h.lvl 1 AS lvl FROM dbo.hierarchical_table..
SqlException about UNION, INTERSECT and EXCEPT http://stackoverflow.com/questions/650847/sqlexception-about-union-intersect-and-except about UNION INTERSECT and EXCEPT Could someone help me with this exception.. with the following message All queries combined using a UNION INTERSECT or EXCEPT operator must have an equal number of expressions.. SQL error is normally caused by the fields retrieved for UNION is not the same for the 2 queries. For example if the first..
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