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Programming

Dynamically loading Functions in Delphi

While working on the Advantage Client Library (ace.pas) to make it compatible with the latest Delphi version I found out that following does not work for Linux: „delayed“ is an unknwon keyword for the Linux compiler and even when commenting

joachimduerr 3. Februar 20173. Februar 2017 Blog Ein Kommentar Weiterlesen

Quick-Tipp: Load Images from file into ImageList

I was in need to load the images for a TImageList (in this example TPngImageList) from the file system at runtime. To prevent reinventing the stupid work every time I just created a class helper. Here’s the code: Usage:

joachimduerr 20. Januar 201720. Januar 2017 Blog Keine Kommentare Weiterlesen

Enhance TAdsQuery to include Query Callback

In the recently published blog article (Query Progress Callback) I’ve showed how to implement a query callback. For that example I’ve passed a pointer of the form into the callback function, requiring a unique callback function for every Formclass to

joachimduerr 17. Oktober 201617. Oktober 2016 Allgemein, Blog Keine Kommentare Weiterlesen

Query Progress Callback with Delphi

Today I want to focus on a topic that I was asked for many times: How can we get the progress of a running query and how can we even cancel it? Advantage Data Architect does it, so it should

joachimduerr 3. Oktober 2016 Blog Weiterlesen

Delphi Starter – and ADS?

For a couple of days Delphi starter was available for free from the Embarcadero Store at https://www.embarcadero.com/app-development-tools-store/delphi. A lot of developers from the Community asked me if the Advantage Database Server Components can be used with Delphi starter. In the

joachimduerr 12. September 201612. September 2016 Blog Keine Kommentare Weiterlesen

Tutorial: using ADS with Lazarus

For a couple of years now, the Free Pascal RAD IDE Lazarus is well supported by Advantage Database Server. In this little tutorial I want to show how to use the actual ADS components in Lazarus. First of all, get

joachimduerr 28. Januar 20161. Februar 2016 Blog 3 Kommentare Weiterlesen

Load CSV files into Advantage

Recently there has been a posting in the Advantage newsgroups (http://devzone.advantagedatabase.com/forum/questions/2339/any-similar-command-with-mysql-load-command-in-ads) that inspired me to write this blog post. A user asked on how he could load from a text file.

joachimduerr 12. Mai 20147. November 2015 Blog Keine Kommentare Weiterlesen

Get Advantage Versions in Delphi

Inspired by a question in the Advantage Database Forum I’ve extracted some functions from the Advantage Delphi Client Kit to get the version numbers.

joachimduerr 12. Mai 20147. November 2015 Blog Keine Kommentare Weiterlesen

German Soundex „Kölner Phonetik“ SQL implementation

To all my english fellows: Since the topic discussed in this article is for the german language only I’ll post it in german language. Sorry. Zur Ähnlichkeitssuche von Zeichenketten existieren mehrere Verfahren. Das bekannteste ist wohl Soundex, welches unter anderem

joachimduerr 12. Mai 201423. August 2016 Blog 2 Kommentare Weiterlesen

Adjusting Table Structure using SQL

I was asked by a partner how he could adjust his table structure. He needed to check if a char field is available and adjust its size to a minimum of 40 characters. So I came up with this script:

joachimduerr 12. Mai 2014 Blog Keine Kommentare Weiterlesen

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