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If not every student has a location, why don't you just allow that property to be nullable, or have a default value?

Have an application that needs to read and analyse numerous text files. Each file will only be about the length of a chapter in a book. I am using StreamReader to load the text. Each text will be...

If you read a file as a stream, it can be as large as you like. I searched for a size limit to MS SQL's nvarchar, and couldn't find one.

When it comes to displaying your text, you will be...

I switched to using TableAdapterManager.UpdateAll(), which wraps the changes in a transaction. However it is still very slow.

490 rows took 3 minutes, 4 seconds to update.

Is there anything...

Thanks for the reply, TechGnome. I will try your suggestion and post back.

I was opening and closing it like that to try to prevent the transaction from being promoted to DTC, though as you can...

I am developing a .NET 4.0 application that connects to a remote MS SQL database.

Calling tableAdapter.Update() on each table is very slow. From what I have read on the Internet, updating the...

After adding multiple rows to a DataGridView, how do you update the database with ALL of the new rows?

I am using the data componenents from VS2008. I have a DataGridView, BindingSource and...

Thank you Philip and Wizard, that really clarified the correct implementation of static member variables for me.

Thank you, that nailed it.

Just wondering, is there no way to set a static variable within the class itself?

I don't understand. The pointer is set in the GetInstance() method (if it hasn't been already). Why do you set it to zero, and where?

Here is my singleton:



// ***** Gravity.h *****
class...

By code:

#pragma comment( lib, "libname" )

(include the relative path if it is not in the main application folder -or set Additional Library Directories in the properties dialogue)

In...

Finding clear examples of singleton patterns isn't hard, but I am having trouble implementing them. Mainly, is there a way to set one at class level or am I completely off track?:

class...