Tip Bank

DevX - Software Development Resource

EJB Scalability

Question: One of EJB’s obvious design goals was to provide an environment thatcan scale up to meet the demands of enterprise applications. I’mcurious, however, about the other end of the

DevX - Software Development Resource

Use a Where Clause in SQL Instead of a Filter

Question: Here is a snippet of my code: set conn = Server.CreateObject(“ADODB.Connection”)conn.open “gorillaclasses”set rs = Server.CreateObject(“ADODB.Recordset”)stmt = “SELECT class,time,instructor FROM ” & clubtable rs.open clubtable, conn, adOpenStatic,,adCmdTable %>rs.filter = “dayslot

DevX - Software Development Resource

Pure Virtual Destructors

Question: I heard someone saying that C++ standardization does not allow pure virtual destructors not to have a definition. As far as I know, this is not true. Could you

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Databases and Large Amounts of Data

Question: I wrote a VB program that uses MS-Access (MDB) type data base using DAO . The application gathers a huge amount of information (25meg a week) and accesses the

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Find Constant Name

Question: Instead of trapping an Error by its value (If err.number=429 then…) I would prefer to use a VB defined Constant Name.I can’t seem to find a way to locate

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Standalone Executable

Question: How can I compile a Java application’s class files into a standaloneexecutable file without using a commercial native code compiler and atthe same time keep it platform independent? Answer:

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Additem Method Syntax

Question: I am trying to use additem to make an addition during a dragdrop event into a list from a textbox. I tried the code: ListName.AddItem = TextName.TextTextName.Text = “”

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Cascade/Tree Menu

Question: I have an Access database in which I would like to place a tree menu in a form. In this tree menu you would be able to make a