Author: Craig Stuntz
The error in the title comes from InterBase. Actually, the full error is:
[DataDirect][ODBC InterBase driver][InterBase]Dynamic SQL Error, SQL error code = -804, SQLDA missing or incorrect version, or incorrect number/type of variables.
I’ve seen this error before when the wrong InterBase client (gds32.dll) version was loaded by the application, or when the wrong number…
Author: Andrew Bond
While doing some bug fixing and cleanup in a web application, I had the chance to go a little deeper into the jQuery user input validation framework. There are many tutorials available about implementing custom validations. But what I wanted to do was to…
Author: Pawe Gowacki
Do you remember that Delphi 6 was the first IDE in the market with Web Services support? This trend continues and Delphi 2009 supports building web service servers and clients:-) In this post I’m going to describe all steps neccessary to build…
Author: Aaron Rosenberg
How would you approach creating a game with Delphi?
I keep playing with Delphi Prism and recently downloaded XNA Game Studio 3.0. It installs very nicely into Delphi Prism. I wonder what is the most commonly used software for creating games that will run on Windows, but also game consoles like Wii, XBox and Playstation and portables like Nintendo DS.
Do you remember…
Author: Barry K21557
[This blog post is by Allen Bauer, but during the blog engine migration was attributed to the wrong author.]
Solving problems can be fun and challenging. What is really challenging is solving a problem using only the tools at hand. During the development…
Author: Allen
Ever since before Delphi 1, the (then Delphi only) RAD Studio IDE has been full of home-grown multicast event class types. I usually refer to these as an “event bus.” This is from my hardware days when I designed microcontroller based…
Author: Markus Humm
With Tiburon, I can useUnicode characterswith VCL components like TMemo, TListBox, TComboBox (and others that contain string lists). Howcan Iload the stringsfrom a file and savethe stringsto a file? Howdo I need tomodifyanyexisting Delphi and C++Builder programs to handle Unicode characters for these…
Author: Andreano Lanusse T1394
As you know Embarcadero is a database company, now a database and developer company. A number of great database tools are coming, one of these tools is ER/Studio, which is a tool specialized in database modeling.
ER/Studio is independent of…
Author: Craig Stuntz
For the past couple of days I’ve been working on an experimental IntraWeb (a.k.a., “VCL for the Web”) project. Since I typically generate user interfaces dynamically, I wanted to see how that worked with IntraWeb. On the surface, it’s…
Author: Craig Stuntz
The procedure for installing ActiveX controls on the Delphi/RAD Studio 2007 component palette is apparently confusing to some users of older versions of Delphi. So here’s a simple example. In this example, I’m installing the type libraries needed to use the Crystal Reports 9 ActiveX viewer, and the associated runtime type library. First I create a package…
