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• vb.net A first chance exception of type 'System.Runtime.InteropServices.COMException' occurred in ms

  - by prasoon99

  I just installed Visual Basic 2010 Express. I created a simple console application: Module Module1 Sub Main() Dim i As Integer i = 0 End Sub End Module I'm getting the following error SIX times before I get to line "i = 0": A first chance exception of type 'System.Runtime.InteropServices.COMException' occurred in mscorlib.dll Can anyone help? Why is this happening? Is there something wrong with my configuration? -Prasoon

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• Opening a password encrypted access database using DAO VB.NET

  - by prasoon99

  I create a database like this: Sub Main() Dim wrkDefault As Workspace Dim dbE As DBEngine Dim dbs As Database 'Get default Workspace. dbE = New DBEngine wrkDefault = dbE.Workspaces(0) 'Set the database filename Dim DBFilename As String DBFilename = "c:\mydb.mdb" 'Make sure there isn't already a file with the same name of 'the new database file. If Dir(DBFilename) <> "" Then MsgBox("File already exists!") Exit Sub End If 'Create a new encrypted database with the specified 'collating order. 'lock database with the password 'hello' dbs = wrkDefault.CreateDatabase(DBFilename, _ LanguageConstants.dbLangGeneral & ";pwd=hello;", DatabaseTypeEnum.dbEncrypt) dbs.Close() End Sub How do I open this database again in VB.NET using DAO?

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• Memory Allocation for a Map with a fixed number of insertions

  - by prasoon99

  I want to insert n elements into a map where n is known ahead of time. I do not want memory allocation at each insertion. I want all memory allocation at the beginning. Is there a way to do this? If so, how? Will writing some sort of memory allocator help?

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