Recent questions tagged common

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common table expression - Use of With Clause in SQL Server

How does with clause work in SQL Server? Does it really give me some performance boost or does it just help ... Use-With-Clause-Sql-Server.aspx See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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common table expression - Converting sql statement that contains 'with' cte to linq

I have this piece of code here, been battling with it for hours. basically what this sql statement does is ... thanks to the with statement. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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common lisp - Is there a way to get the slots of a class?

I have a class like this one (defclass shape () ((color :initform :black) (thickness :initform 1) (filledp ... only know instance of this class? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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common table expression - Determine contiguous dates in SQL gaps and islands

I have a situation where a single patient can receive multiple services. These services can have overlapping ... would be gratefully appreciated See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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common lisp - Unexpected behavior with loop macro and closures

Why do these forms behave this way? CL-USER> (setf *closures* (loop for num in (list 1 2 3 4) collect ... going on with the loop macro version? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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391 views

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common table expression - TSQL CTE: How to avoid circular traversal?

I have written a very simple CTE expression that retrieves a list of all groups of which a user is a member. The ... it? Is there a better way? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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common table expression - TSQL CTE: How to avoid circular traversal?

I have written a very simple CTE expression that retrieves a list of all groups of which a user is a member. The ... it? Is there a better way? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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common table expression - SQL - Use a reference of a CTE to another CTE

Is it possible in SQL use a reference inside a Common Table Expression inside another C.T.E in the same ... appreciated. Thank you very much! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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common lisp - Unusual stack overflow when inserting nodes in binary tree

CLISP Version: 2.49 Leaf Node (value (NIL) (NIL)) Non-Leaf Node (value (value (NIL) (NIL)) (NIL)) Code ("format" ... 8]> glb-ls (5 (NIL) (NIL)) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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common lisp - combining two variables into one function name in macro

I was toying around with macros and clos, where I created an "object" macro to create instances (defmacro object ( ... `(,class-,var ,object)) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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300 views

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common table expression - SQL Server: How to limit CTE recursion to rows just recursivly added?

Simpler Example Let's try a simpler example, so people can wrap their heads around the concepts, and have ... CTE from recursing forever? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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338 views

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common lisp - How to define symbols that will work like ( and ) by symbol macro?

I am trying define symbols a and b in following way a + 1 1 b 2 I am trying to do this by using define- ... ) ) but this way is not working. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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624 views

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common lisp - What's the canonical way to join strings in a list?

I want to convert ("USERID=XYZ" "USERPWD=123") to "USERID=XYZ&USERPWD=123". I tried (apply #'concatenate 'string '( ... ~A~A" delim element))))) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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