Archive

Thursday, 9. October 2014

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Generics and variance

Delphi sorcery – When working with generic collections there is often the question: "Why can't I just assign my TList<TPerson> to a variable of TList<TEntity>? TCustomer inherits from TEntity!" There is something called covariance and contravariance - but the bad news are: Delphi does not support ...
Details Favorite? Off-Topic? noreply@blogger.com @ 23:46
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VCL Styles Utils – Now supports the TTaskDialog component

The Road to Delphi – I’m very pleased to introduce a very exciting new feature to the VCL Styles Utils project. This is the support for style the TTaskDialog component. This control available since RAD Studio 2007 is a wrapper for the Task Dialogs introduced in Windows Vista and allows to create very rich and flexible ...
Details Favorite? Off-Topic? Rodrigo @ 22:10
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RAS Studio Hotfixes for BMP Buffer Overflow and PAServer

Marco's Tech Blog – There are two hotfixes for different versions of RAD Studio that have been released over the last few days. All of these fixes are listed in the registered users download page at cc.embarcadero.com/myreg (notice they are sorted by version first, and date next). Bitmap Buffer Overflow This ...
Details Favorite? Off-Topic? marcocantu @ 18:24
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A Subtle Delphi TRegEx Change

Marco's Tech Blog – Last month I was approached by a customer who was migrating code from XE2 and saw some incompatibilities (or actually some bugs) in the way regular expressions are processed in the TRegEx class. He pointed out that using: RegEx := TRegEx.Create(sPattern); Match := RegEx.Match(sInput); ...
Details Favorite? Off-Topic? marcocantu @ 12:28
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