types

相关标签：javascript jquery android 多少钱 iPhone

Defining a type for lambda expressions in Ocaml

For practice, I\'m trying to define a type corresponding to lambda-calculus expressions composed of variables, abstractions, and applications. My current best attempt is:[详细]

2023-04-04 02:26 分类：问答
In Haskell, how to do a case statement on Dynamic TypeRef

I tried the following: intType =typeOf (5::Int) stringType = typeOf \"s\" dynFunc :: Dynamic -> IO ()[详细]

2023-04-04 02:05 分类：问答
Perl framework for datatype checking

So I\'d like to bring a bit of Mouse speed to my other subroutines and do a bit of type checking à la[详细]

2023-04-03 21:32 分类：问答
C: What's the right data type to use for file sizes in bytes?

If I use something like double to hold file sizes in bytes开发者_开发百科, this will naturally fail very soon, so which data type would I use? Nowadays a couple of TB are common, so I\'d like the data[详细]

2023-04-03 16:42 分类：问答
Entity Framework SQL Exception: The supplied value is not a valid instance of data type float

I have an application using the Entity Framework with a SQL Server 2008 (Express) database. I\'m getting an intermittent error while doing an update to an entity in the database which indicates that \[详细]

2023-04-03 15:09 分类：问答
How do I resolve this compile error: Ambiguous type variable `a1' in the constraint

One could think of this case as follows: The application dynamically loads a module, or there is a list of functions from which the user chooses, etc. We have a mechanism for determining whether a cer[详细]

2023-04-03 14:26 分类：问答
Is there a way to refer to the current type with a type variable?

Suppose I\'m trying to write a开发者_开发技巧 function to return an instance of the current type. Is there a way to make T refer to the exact subtype (so T should refer to B in class B)?[详细]

2023-04-03 10:41 分类：问答
Using a Type with collect

I\'m trying to dynamically filter (or collect) a list based on type: If I do this specifying the type explicitly, it works fine[详细]

2023-04-03 06:06 分类：问答
Variable declared as Node *&ptr = root->mRight

I am trying to understand what that means I know that declares a variable to an address of type node and that & gets the address of a variable.I also know that in a function parameter it is a call[详细]

2023-04-03 05:16 分类：问答
Changing Variable Type on RunTime

Today i had a challenge with my College and i gaved up ,no idea how to achieve it . Is there a way to declare a String ,as Constant and on Load Event maybe using Reflection to change String to non-Con[详细]

2023-04-03 04:22 分类：问答