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Tip Bank

Run Code Only When Form Is Submitted

Question: I have a Web page that uses a form to submit information to an ASP page. Once the data is submitted, the page is reloaded. At this point, if

WebClasses vs. Active Server Pages

Question: What do you suggest using as far as WebClasses versus Active Server Pages (ASP) is concerned? It appears that WebClasses do everything ASP can do, and are faster. Answer:

Always Create User Defined Data Types in the Database

While designing the database for your application, you should always create user defined data types for columns across the database. User-defined data types ensure consistency of column definitions across the

Make an ATL Object Noncreatable

Here is a simple way to make your COM object noncreatable. You can change the attributes of an ATL-based COM object so that the automation client cannot directly create the

Meaning of BLOB

Question: What does “BLOB” stand for? What is a BLOB datatype? Answer: BLOB is a binary large object. Binary files hold stuff like pictures and audio files that get stored

Objects in Visual FoxPro

Question: How do you set a Visual FoxPro class or array as the value of a property of another VFP class? It appears that if you add a property to

SQL SELECT Clause Order

Question: In what order are the clauses executed when resolving an SQL SELECT statement? Does a DBMS first examine the FROM clause to create an intermediate result, or does it