lambda

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Searching by regexp when constructing LINQ expression using Expression classes

Here is the post which describes the way to create an Expression<Func<MyClass, bool>> predicate dynamically. Here is a snippet:[详细]

2023-04-08 04:23 分类：问答
Combine delegates with an OR operator

Looking up values in two different tables with LinqToSQL, and combining the results based on what is found in what resultset.[详细]

2023-04-08 02:18 分类：问答
Cannot get selected type from GetTypes

I want to initialize classes in the following assembly wh开发者_StackOverflow中文版ich are inheriting from the EntityBase class using reflection.[详细]

2023-04-08 02:04 分类：问答
Using math.factorial in a lambda function with reduce()

I\'m attempting to write a function that calculates the number of unique permutations of a string. For example aaa would return 1 and abc would return 6.[详细]

2023-04-08 00:23 分类：问答
Is there a way to add and detach an event handler without loosing scope?

Working with asynchronous classes, often I find that I am always having to store state in fields so that I have access to them in the completed method. Ideally, I\'d like to avoid having to store stat[详细]

2023-04-07 16:17 分类：问答
EF 4.1 code-first: How to select an entity with it's collection-property's count

I have an entity named Tag with a navigation property (collection) named Articles. The Tag has a ignored-property named ArticleCount开发者_运维技巧 that used to save tha associated Article s count (ju[详细]

2023-04-07 12:10 分类：问答
关于Lambda表达式的方法引用和构造器引用简的单示例

目录方法引用和构造器引用Lambda支持的方法引用和构造器引用代码：总结方法引用和构造器引用[详细]

2023-04-07 11:01 分类：开发
Are lambdas constructors for delegate types?

I\'ve discovered that Rhino Mocks\' AssertWasCalled fails when I use lambdas as parameters to the method being asserted.[详细]

2023-04-07 07:13 分类：问答
Binding nested lists using Lambda (C#)

I have this piece of code that I\'m trying to convert to lambda - foreach (var facet in response.Result.Facets)[详细]

2023-04-07 06:24 分类：问答
Use lambda expression to count the elements that I'm interested in Python

Can I use lambda expression to count the elements that I\'m interested? For example, when I need to count the elements in a list that is more than two, I tried thi开发者_JAVA百科s code which returns 0[详细]

2023-04-07 04:30 分类：问答