lambda

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"reduce" function in python not work on "namedtuple"?

I have a log file that is formatted in the following way: datetimestring \\t username \\t transactionName \\r\\n[详细]

2023-04-10 09:11 分类：问答
What is a lambda expression in C++11?

What is a lambda expression in C++11? When would I use one? What class of problem do they solv开发者_如何学Goe that wasn\'t possible prior to their introduction?[详细]

2023-04-10 06:33 分类：问答
asp.net mvc 3 view for ef4 join

how can i display a join fro开发者_StackOverflow社区m a entity framework model and then show it in an asp.net mvc 3 view?[详细]

2023-04-10 05:00 分类：问答
Better way to return the value from a property from a child object when the childobject can be null

I try to explain this with an example: public class Player { public string FirstName {get; set;} public Team Team {get; set;}[详细]

2023-04-09 19:51 分类：问答
Recursing in a lambda function

I have the following 2 functions that I wish to combine into one: (defun fib (n) (if (= n 0) 0 (fib-r n 0 1)))[详细]

2023-04-09 19:30 分类：问答
Is it possible to format the results of a query using a Lambda Expression?

Let\'s say I have this query I pass to a repository: var results = userRepository.Get(u => u.Username == \"JDoe\" && u.Password == \"123456\");[详细]

2023-04-09 07:58 分类：问答
C# What construct am I Looking for Lamba / Expression / Func / Reflection for runtime property substitution?

I\'ve a method on a generic base class that I want to execute for all superclasses of it The logic is something like:[详细]

2023-04-09 06:55 分类：问答
What does '=>' mean?

What does => means? Here\'s a code snap: Dispatch开发者_如何学运维er.BeginInvoke((Action)(() => { trace.Add(response); }));[详细]

2023-04-08 23:34 分类：问答
Difference between these two lambdas?

These both seem to do the same thing.. I\'m wondering which one I should use, you would prefer to read, is more efficient, their differences, et cetera..[详细]

2023-04-08 19:35 分类：问答
Passing C++ Lambda Functions

I\'ve been searching everywhere for this, and I don\'t seem to be able to find a straight answer. Some sources say this isn\'t pos开发者_开发知识库sible, but that only raises more questions for me, wh[详细]

2023-04-08 15:28 分类：问答