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Monday, 7. November 2011

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Game/Physics Engine Theory: Subtraction-based Geometry Destruction Transformation (Part 1)

OTAPI – While watching a technical demonstration for an indie game engine on YouTube earlier today, I had an idea to procedurally calculate the transformation of destructible geometries in real-time, as opposed to the most common practise used today where the geometries are simply exchanged for a ...
Details Favorite? Off-Topic? Simon Stuart @ 02:17

Sunday, 6. November 2011

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WMI Tasks using Delphi – Processes

The Road to Delphi – How do I run an application in a hidden window? Call the application from an app that uses the Win32_Process and Win32_ProcessStartup classes. const wbemFlagForwardOnly = $00000020; HIDDEN_WINDOW = 0; var FSWbemLocator : OLEVariant; FWMIService : OLEVariant; FWbemObject : ...
Details Favorite? Off-Topic? Rodrigo @ 23:03
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Memory leaks on OS X

Delphi Haven – Assuming you have Xcode installed, OS X comes with a handy set of developer diagnostic tools called ‘Instruments’ – find the main program under /Developer/Applications/. To use them with a Delphi application, do this: Run the application first. Don’t run it through the ...
Details Favorite? Off-Topic? Chris Rolliston @ 18:03
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47 on November 7th, 2011

Dr.Bob's Delphi Notes – November 7, 2011 is my 47th birthday, so (only) on this day, my lucky number is no longer 42, but 47 - and I'm offering a similar treat.
Details Favorite? Off-Topic? Bob@eBob42.com @ 11:52

Saturday, 5. November 2011

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WMI Tasks using Delphi – Printers and Printing

The Road to Delphi – How do I add a new printer connection to a remote computer? Use the Win32_Printer class and the AddPrinterConnection method. var FSWbemLocator : OLEVariant; FWMIService : OLEVariant; FWbemObject : OLEVariant; begin; FSWbemLocator := CreateOleObject('WbemScripting.SWbemLocator'); ...
Details Favorite? Off-Topic? Rodrigo @ 22:01
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QC Plus – [2.0] interface change

JED Software Blog – I finally got around to upgrading the QC Plus code base from Delphi 2007 to XE2. Since I’ve done that I thought I’d make a little UI adjustment. Probably not to the liking of some users… Comments? As you can see, it is still incomplete…  

Friday, 4. November 2011

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Picking Cities for Delphi Developer Days 2012

Marco's Tech Blog – We (meaning myself, Cary Jensen and Loy Anderson) are trying to finalize cities and dates for the 2012 edition of Delphi Developer Days. This is what seems decided so far: Two stops in the USA, in Washington DC/Baltimore and Chicago, two locations we've been to in the past. ...
Details Favorite? Off-Topic? marcocantu @ 16:57
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Why no blogging? Alive and kicking :-)

Hallvard's Blog – As you may have noticed (or not :), this Blog has been silent since 2008. Several people have asked me recently why I'm not blogging anymore - here is a short explanation.I was blogging quite actively for a while, but other priorities in my life (family, work, new house, exercising etc) have taken ...
Details Favorite? Off-Topic? Hallvard Vassbotn @ 16:34
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New Special Offer - Buy RAD Studio, Delphi or C++Builder XE2 and get Rapid SQL and more free!

Delphi Insider – This new promo has just started for Delphi, C++Builder and RAD Studio XE2.There has never been a better time to buy or upgrade to Delphi XE2, C++Builder XE2 or RAD Studio XE2 because if you buy now, you can get up to $2,985 (USD) in additional tools free! Buy Delphi, C++Builder or RAD Studio XE2… ...
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FireMonkey WhitePaper and Videos

Marco's Tech Blog – After announcing my webinar for November 15th, Embarcadero has created a landing page with the white paper download and 3 introductory videos. The landing page is at http://www.embarcadero.com/rad-in-action/firemonkey and there you can find the link for getting the white paper ...
Details Favorite? Off-Topic? marcocantu @ 09:51
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Rendering semi-transparent objects in FireMonkey

DelphiTools – The question has (predictably) popped up several times now, so here is a recapitulative post with workaround. FireMonkey (as of now) doesn’t support rendering semi-transparent objects in 3D. FireMonkey only supports blending of semi-transparent objects (either through the Opacity property or ...
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Implementing a Delphi for..in loop on COM collections and Variant Arrays

The Road to Delphi – Enumerating a collection of Variants Many times when you are working with COM objects you need iterate over a collection, and usually the way to do this is using the _NewEnum function (which return a IUnknown interface) implemented by the COM class and then assign that value to a IEnumVariant ...
Details Favorite? Off-Topic? Rodrigo @ 07:19
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CopyReaderToClientDataSet, Blob and the message “Feature not implemented”

Andreano Lanusse – If you have used the method TDBXDataSetReader.CopyReaderToClientDataSet, you probably came across with the message “Feature not implemented”, this exception occurs because the method CopyReaderToClientDataSet can’t copy Blob fields from the DBXReader to the ClientDataSet. This is ...
Details Favorite? Off-Topic? Andreano Lanusse @ 01:25

Thursday, 3. November 2011

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WMI Tasks using Delphi – Operating Systems

The Road to Delphi – How do I determine if a service pack has been installed on a computer? Use the Win32_OperatingSystem class and check the value of the ServicePackMajorVersion and ServicePackMinorVersion properties. const wbemFlagForwardOnly = $00000020; var FSWbemLocator : OLEVariant; FWMIService : ...
Details Favorite? Off-Topic? Rodrigo @ 19:47
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OmniThreadLibrary in Practice [2]–Background Worker and List Partitioning

The Delphi Geek – Today’s question was asked by Žarko Gajić, the excellent maintainer of About.com’s Delphi section. Here's my (simplified) task I would like to solve using OTL (Delphi XE) - my real-world task is somehow more complicated but can be described as: input: a string. output: a TStringList ...
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