XAMPP Virtual Hosts on a MAC

I recently retooled a Zend development environment on a mac laptop running OS X. I had been using the free version of MAMP for awhile but found the free version too limited.  MAMP is useful for getting  Apache, PHP, and MySQL stack up and working together quickly on a mac.  One thing lacking in MAMP [...]

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Microsoft Access 2003 Maximum Capacities

Microsoft Access 2000 and 2002 are similar. Smaller capacities for the older versions of Access are noted in the tables.
These figures are taken from Microsoft sources and published here for the convienience of my students and clients.
I no longer build full applications in Access, but it is excellent for prototypes, and under some circumstances it [...]

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A Note on Variable Scope

What about that “Private Sub MessageUser()” line from our previous example? It’s a private sub, as the name states, but try to access it from outside the Vehicle class. In the MainForm_Load() sub, try adding Van.MessageUser. You should get a build error that states ‘Vehicle.Private Sub MessageUser()’ is not accessible in this context because it [...]

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Classes vs. Objects

I know I said this was object-oriented programming. So why am I talking about classes? The answer to this question is that all objects are classes. (Mind-blowing, huh?) The way to separate the difference between objects and classes is quite easy. An object has an IS-A relationship, while a class has a HAS-A relationship.
A car [...]

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Get() and Set() Class Property

Public Class Hello
Private _sample As String
Public Property Sample() As String
Get
‘1
Return _sample
End Get
Set(ByVal Value As String)
‘2
_sample = Value
End Set
End Property
Public Sub DoSomething()
Me.Sample = “SampleText” ‘2
MessageBox.Show(Me.Sample) ‘1
End Sub
End Class

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