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Question: My SQLWindows app, which has been deployed for several months now, has started giving error 163 (“Result sets are not active”) messages. Is this caused by a bug somewhere
Question: Is it possible for a class to inherit from another class? Answer: Unfortunately, VB does not currently support class inheritance. However, using a tool like ClassAction from Crescent or
Question: I have a question and answer intranet site that I need to have the system input the current date and time for each question generated. This data needs to
Question: From VB4.0 32 bit, I would like to be able to open excel 7.0, start a new spreadsheet, give it a name, put info in the spreadsheet, save the
Question: I have VB 4.0 and VFP 5.0 along with OFFICE 95 installed on a desktop win95 pentium and my 486 win95 notebook. I create a simple VB form on
Question: I am having trouble with my SQLWindows code translating Informix nulls and empty strings ( ” ) as the same value ( ” ).When I select a null value
Question: In Windows 95, all data represented in a tabular or table format can be sorted by clicking on the column heading. If you click once, it is in ascending
Question: I run 16- and 32-bit applications on my Windows 95 laptop and they both need to access the same databases. Is there any way to allow the 16- and
Question: What does it mean that ATM switching is connection-oriented, and what are the benefits of this? Answer: ATM, or Asynchronous Transfer Mode, through its connection-oriented protocol, offers a level
Question: How can I send the data from a form via e-mail to some destination address? Answer: I won’t explain how to create a form; however, you can use the
Question: How an I display columnar data in a native HTML list box a la tag ?The Tab character seems to be ignored, and I can’t seem to get a
Question: Is there a way to handle multiple HTML Checkboxes as an array similar to the Item property of Radio buttons? Answer: Unfortunately, you cannot create control arrays as you
Question: I’m trying to pass parameters between two html pages, both resident as files on my client. I’ve tried passing them as “search” and “hash” parameters in the URL …
Question: I’m really new at VBScript, but I have a newbie book that is helping me along. However, I have one question that doesn’t seem to be addressed. Is it
Question: I’ve just spent a useless morning surfing trying to find out where the CLASSID parameter of a VBSCRIPT OBJECT tag comes from. The most useful documentation said it comes
Question: How can VBScript make use of the Comm Port? Answer: VBScript cannot directly access the communications port. However, you may be able to add a communications control to your
Question: Is it possible to add any type of picture to a popup window or menu screen? Answer: The standard menu control does not support adding pictures. However, you might
Question: I am trying to pass a control as an object to a global sub to change the controls properties.How do you Set the parameter object as the controlwhen passing
Question: In HTML, I am using the FORM Tags to capture input and SUBMIT to a CGI Program. The server program captures all INPUT Tags and their VALUE. I want
Question: I am looking for some kind of method to capturefunction-keys while positioned on a Web-page. To be more specific: I would like to capture eg. F3 when the cursor
Question: My problem arises due to thehelp file in ActiveX describing a control called ‘InternetExplorer’, howeverthe control box in ActiveX does not contain that object. Have I missed something that
Question: I’m having problems populating both types of list boxes with data. The help file say to use the AddItembut doesn’t give any examples. Answer: Assuming your combo box/list box
Question: Where can I find an example on using VBScriptfor a non-internet, non-html application. MS saysVBScript can also be used as a general purposelanguage for any application. I look for
Question: Is there a way to share VBScript code between different Web pages? Answer: The best way to do this is to use a feature that may or may not
Question: I want to develop a word-processor with VB 4.0 and the RichTextBox. I’ve got all the functions like bold, italic etc. but I’m missing a function to count the
Question: Is there any way I can have a % chance in random events. (say you click on a button and you have a 30% chance of it doing one
Question: I know VB insists on a _constant_ for the array subscript. Has anyone found a way around this? I would like to set an array length equal to the
Question: My question is that I’m trying to put a command buttons in a picture box on MDI form (it’s a text editor). But it always keeps on givin’ me
Question: Both the ProgressBar and the StatusBar appear to be welcome additions to the VB controls set. But, while I have had to create each of the various built-in StatusBar
Question: I’m using VB 3.0 to work with databases in the Jet 2.0 format. I expect it will be necessary to add new fields to the database sometime in the
This is an improvement to the tip “Encrypt a String Easily.” I found that the szEncryptDecrypt function in this tip did not handle unicode strings
lthough binary search trees (BSTs) are used widely, as data gets added, binary search trees tend to degenerate into an unordered linked list over time.
hen I first learned about the Google Collections Library, I was puzzled. The Google Collections Library enhances the JDK’s Java Collections Framework, and its developers
ost applications need to write log messages at different layers of the application for instrumentation, debugging, or monitoring purposes. Generally, developers write code to log
an Francisco, CA?How popular is the Google Web Toolkit (GWT)? Google claims their Java web development framework for AJAX (asynchronous JavaScript and XML) applications has
f you have been developing Windows Mobile applications using the .NET Compact Framework for some time, there will be a day when you will realize
he challenge of bringing data from efficient storage engines such as SQL Server into object-oriented programming models is hardly a new one. Most developers address
bject-modeling methodologies have long held the promise of enabling development teams to deliver higher-quality software faster and with better code reuse. Sadly, traditional object-modeling solutions
irect3D is Microsoft’s high-performance, three-dimensional graphics library. Using Direct3D, you can build amazing scenes containing hundreds or even thousands of three-dimensional shapes, three-dimensional charts and
Boost libraries provide a better way to convert numbers into strings or vice versa. You must install the Boost libraries on your computer to make
This tip shows you how to implement mouseDragged and mouseMove events for moving components into a frame: import java.awt.*;import java.awt.event.*;class f extends Frame implements MouseMotionListener,MouseListener{Checkbox
‘d guess that everyone reading this magazine has heard of Silverlight. I’ll also guess that not everyone has jumped at the opportunity to “play” with