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Jeroen W. Pluimers on .NET, C#, Delphi, databases, and personal interests

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Archive for the ‘Delphi’ Category

BitSavers.org just added 7 missing scans of PascalNews newsletters (1975…1983)

Posted by jpluimers on 2015/03/30

For anyone keeping up with Pascal history, these uploads are new:

–jeroen

via: Index of /pdf/pascalNews.

Posted in Apple Pascal, DEC Pascal, Delphi, Development, IBM Pascal, Pascal, Software Development, Standard Pascal, Turbo Pascal, UCSD Pascal | Leave a Comment »

Delphi Pipe – Delphi related RSS feed running on Yahoo Pipes – via twm’s blog

Posted by jpluimers on 2015/03/28

New Delphi related RSS feed: Delphi Pipe “A collection of Delphi related RSS streams” which works perfectly fine in Feedly.

You can get the source through http://pipes.yahoo.com/delphipipe/thepipe

The source is sooo simple, that I now definitely need to make some time to really do some Yahoo Pipes research:

Since Delphi Feeds doesn’t list my blog any more and generally isn’t very fast in responding to requests for adding or removing feeds, I have created my own aggregated feed: Delphi Pipe. It’s done with Yahoo Pipes and currently contains the following feeds (most important first ;-) ):

Oh and thanks Thomas Mueller for listing my feed second (;

Bug him on G+ to get added.

Later he showed how easy it is to convert your G+ stream to an RSS feed: Using Google+ as input for Yahoo Pipes.

Then how to read a CSV file (which is hosted on his site) as input to the RSS generation.

–jeroen

via: Delphi Pipe » twm’s blog.

Posted in Delphi, Development, Software Development | 4 Comments »

Interfaces are great, but they can be a pain to debug. Forgetting one weak link can lead to Access Violation hell…

Posted by jpluimers on 2015/03/24

Paul Thornton posted a nice question on G+ two weeks ago:

Interfaces are great, but they can be a pain to debug. Forgetting one weak link can lead to Access Violation hell. I seem to remember a utility that would let you visualise the links between interfaced objects, but can’t remember what it was called. Anybody know?

Do you have any clever interface debugging tips or tricks?

Mixing object and interface references leads to complex situations, especially when some classes make refcounting go away (not limited to UI components) so refactoring is a good idea, it at all possible:

Lars Dybdahl:

Refactor them away :-)

When the mix of interface reference counting and TObject gets so complex, that the source code is no longer obvious, maintenance costs sometimes become too high and another solution might be better.

Nicholas Ring:

 

+Lars Dybdahl Totally agree and it is even worse when reference counting is disabled (like adding an interface reference to an UI component).

 

There is not much tooling, this thread only mentioned RefCountTracer and FastMM:

Steffen Binas:

There is this: https://github.com/AquaSoftGmbH/RefCountTracer

It helps you find memoryleaks, but also could show you if a refcount goes below 0.

Paul Thornton:

This link was very useful. It also points to a good FastMM tutorial.

Which reminded me I totally forgot to post that tutorial on my blog so here it is:

Read the rest of this entry »

Posted in Delphi, Delphi 2005, Delphi 2006, Delphi 2007, Delphi 2009, Delphi 2010, Delphi 7, Delphi XE, Delphi XE2, Delphi XE3, Delphi XE4, Delphi XE5, Delphi XE6, Delphi XE7, Development, Software Development | 2 Comments »

WPF Tutorial | Dependency Properties

Posted by jpluimers on 2015/03/17

Thanks to the answers for .net – What is a dependency property? – Stack Overflow, I came across this really nice WPF Tutorial | Dependency Properties.

It has one of the best explanations on Dependency Properties I’ve ever seen, and it is available online for free (:

And yes, this post is also tagged Delphi, as DSharp provides http://delphisorcery.googlecode.com/svn/trunk/Source/Core/DSharp.Core.DependencyProperty.pas.

So Dependency Properties are not just .NET any more (:

–jeroen

Posted in .NET, Delphi, Development, Software Development | Leave a Comment »

Interesting presentation at EKON 16: MSBuild Inside the Microsoft Build Engine from Sebastian Gingter

Posted by jpluimers on 2015/03/11

I missed EKON 16 as both they and we moved outside the regular conference season.

So I missed this session: EKON 16: MSBuild // Speaker Deck that has these GitHub source examples: gingters/EKON16_MSBuild.

Thanks Sebastian Gingter for pointing me at this!

msbuild is used by both Visual Studio and Delphi for building projects, and this session gave me some good ideas to improve the Continuous Integration projects I already had into place.

–jeroen

Posted in .NET, .NET 2.0, .NET 3.0, .NET 3.5, .NET 4.0, .NET 4.5, Continuous Integration, Delphi, Delphi 2005, Delphi 2006, Delphi 2007, Delphi 2009, Delphi 2010, Delphi XE, Delphi XE2, Delphi XE3, Delphi XE4, Delphi XE5, Development, msbuild, Software Development | Leave a Comment »

 
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