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DevX - Software Development Resource

Updating Two Tables

Question: I have two tables: Yarn {Y_yarn_code,x_code}y_yarn_code being PK Yarn_lot (yl_yarn_code) I need to update yl_yarn_code with x_code where y_yarn-code=yl_yarn_code Answer: Try this: UPDATE Yarn_Lot SET Yarn_Lot.yl_yarn_code = (SELECT x_code

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Setting the Timeout Parameter

Question: I am converting a database from Access to SQL. It is a large database?some 4.5GB large. I get a timeout (1 minute) before I get my response back. Can

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Inserts Inside Views

Question: Is there a way to use an INSERT statement inside of a view? If it is not possible through a view, how do I use an INSERT statement? I

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Remove Unsightly Frame Gaps in Netscape

When you create an HTML frameset using the FRAMEBORDER=”0″ attribute, the frames look fine in Internet Explorer. However, there’s an unsightly white gap between non-white pages when you view the

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Display and Save a Grahic

Question: I have an application in which I have to enter employee info and save their photo. I can do that if I use a data control and bound control

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Migration: Access to SQL Server

Question: I have written an application using VB6/Access. I use DAO. How easy is it to convert the application from Access to SQL Server? Should I make a lot of

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Objects And Classes

Question: I need to compare two object instances of the same class. But I need to compare the contents and not the references (ie: “obj1 is obj2” – will not

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Taking the Null Character Out of a String

Question: Let me describe the problem first: I have a TYPE statement with two variables(appname & dbname). They both are pointing to a global variable that sets the maximum length

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Linking a Listbox to a Database

Question: How can I put a column from my database into a listbox using VB 6.0? Answer: Here’s a quick way to load a listbox using ADO in VB 6.0.

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Combobox and ADO Resultset

Question: After retrieving a resultset, using VB6, from SQL Server, I am easily able to populate a grid by setting the resultset to the grid (i.e. Set DataCombo1.DataSource = GetRs).

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Variant Naming Specification

Question: I know a recordset object should be named rstName, but don’t know all about variant naming specifications. I looked for it on MSDN for a long time, but couldn’t

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Split Function

Question: How is the data laid out in the array and how do you know the size of the array! Answer: Each string that results from the Split function is

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Object Creation in VB

Question: I’ve read about what happens behind the scenes when VB creates an instance of a COM object. But, what exactly does happen when VB creates an instance of a

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Setting Daily Events

Question: I want to kick off a function once a day (for examle, at midnight). The timer seems a very inefficient way to do this. Is there any way of

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ArrayAvg – The average of an array of any type

‘ The average of an array of any type” FIRST and LAST indicate which portion of the array’ should be considered; they default to the first’ and last element, respectively’

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Programmatically Control and Interact With IE

Question: How can I interact with a running version of Internet Explorer or Netscape? When I say interact, I mean handling or monitoring browser events such as right click or

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Use Visual Basic in Your Internet Development

Question: We are using Visual Basic to develop our new applications and will be converting our old applications from COBOL to Visual Basic in the near future. We want to

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Sort and Display Data Stored in Arrays

Question: How do I sort columns with their corresponding rows of information and then add data? I would like to use the data in a Web page. Answer: If you

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Access Browser History

Question: How does the browser history work? Is it possible to take out a link in the history? For example, I have a page with a redirect. The redirect works

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Speed Web Access in an Access Database

Question: Some users access the Microsoft Access 97 database through a Web user interface and others directly to the MDB file. Will it speed Web access if I create a

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Apply a DHTML Effect to a Specific Style

Question: I have two different styles on my page: “content” and “small”. To avoid the “onmouseover…” lines within the tags, I defined the A:Hover line. Now if a user moves

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Arrange Conditions Properly

You can optimize the performance of your “JavaScript” code by properlyarranging the conditions in the “if” statement. If you have severalconditions to be tested together, and you know that one