unboxing

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Does unboxing just return a pointer to the value within the boxed object on the heap?

I this MSDN Magazine article, the author states (emphasis mine): Note that boxing always creates a new[详细]

2023-01-02 03:33 分类：问答
Unboxing an untyped field in a DataRow Without a Casting Error

The data layer of my ASP.Net app calls a stored proc to get a small (one record) amount of information about a visitor upon login.I pass in their phone number and the sproc, using a simple SELECT, pas[详细]

2023-01-02 03:25 分类：问答
Why does autoboxing in Java allow me to have 3 possible values for a boolean?

Reference: http://java.sun.com/j2se/1.5.0/docs/guide/language/autoboxing.html \"If your program tries to autounbox null, it will throw a NullPointerException.\"[详细]

2023-01-01 21:00 分类：问答
C# Type Conversion

I have two objects.Object A and Object B. Object A is an instance of a class that was generated from several XSD files.Used xsd.exe /c and compiled them.Now I have my new object.[详细]

2023-01-01 19:21 分类：问答
unboxing, (sparse) matrices, and haskell vector library

I would like to manipulate matrices (full or sparse) efficiently with haskell\'s vector library. Here is a matrix type[详细]

2022-12-29 03:15 分类：问答
Is there any difference between using .GetValueOrDefault(0) and If(variable, 0) with nullable types?

Is there any difference between the 2 methods bel开发者_如何学运维ow for calculating c ... specifically boxing/unboxing issues?[详细]

2022-12-22 19:49 分类：问答
Anonymous Types

I have a Dictionary(TKey, TValue) like Dictionary<int, ArrayList> Deduction_Employees = new Dictionary<int, ArrayList>();[详细]

2022-12-21 04:09 分类：问答
Proper way to unbox database values

I\'m working with an older Oracle database, and I feel there\'s likely a better 开发者_JS百科way to go about unboxing the values I retrieve from the database.[详细]

2022-12-14 19:13 分类：问答
How to make an unboxed array of floats I can get a Ptr to

I am trying to do some work w开发者_如何学Cith HopenGL and I need a Ptr that points to a array of floats. From what I have read uarray and storableArray seem to be the way to go, in some combination s[详细]

2022-12-14 07:53 分类：问答
Internal compiler error ArrayIndexOutOfBoundsException: -1 ... generateUnboxingConversion

I got some weird exception when trying to compile this: Byte b = 2; if (b < new Integer(5)) { ... } Is it开发者_如何学C a valid check (unboxing-implicit cast - unboxing)?If there is a bug in you[详细]

2022-12-14 01:13 分类：问答