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Friday, 4. November 2011

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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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Sometimes, SELECT Really Is Broken

Craig Stuntz's Weblog – We got a bug report from a customer the other day; a certain query in one of our web services was giving the following error: A column has been specified more than once in the order by list. Columns in the order by list must be unique. Seems clear enough, except that There was no duplication in ...
Details Favorite? Off-Topic? Craig Stuntz @ 14:09
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Dependency Injection in Delphi: a simple example

Yanniel's notes – I want to give a fairly simple Delphi example that will expose the dependency injection pattern. No framework, no third-party library will be needed here: just plain Delphi code.I won’t dig into the different forms of dependency injection. I will explain the idea of the pattern as simple as ...
Details Favorite? Off-Topic? Yanniel @ 12:23
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EKON15 download materials on-line at bo.codeplex.com

The Wiert Corner – I uploaded the EKON15 conference download materials to http://bo.codeplex.com. The changeset you are after is http://bo.codeplex.com/SourceControl/changeset/changes/70872   It contains most of the materials for the Delphi Tage and the Delphi Live conferences too, though I will upload the ...
Details Favorite? Off-Topic? jpluimers @ 12:00
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XE2 Check for Updates...

Dr.Bob's Delphi Notes – If you read this blog, then you probably already know that Update #2 for Delphi, C++Builder and RAD Studio XE2 (called "XE2" from now on) has been released, including lots of bug fixes, and you most likely already applied Update #2 for XE2 (on your XE2 Update #1) and/or downloaded the new ISO for ...
Details Favorite? Off-Topic? Bob@eBob42.com @ 08:18

Wednesday, 2. November 2011

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IDE Fix Pack 4.5 released for 2009/2010/XE/XE2+UP2

Andy's Blog – The IDE Fix Pack 4.5 now supports RAD Studio 2009, 2010, XE and XE2 with Update 2. With this release the RAD Studio 2007 support and earlier is discontinued. There won’t be new releases of DelphiSpeedUp/IDE Fix Pack for those IDE versions. Change log from 4.4 to 4.5 (2011-11-02) Added: Improved ...
Details Favorite? Off-Topic? Andreas Hausladen @ 19:57
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Delphi XE2 Update 2

Marco's Tech Blog – Delphi XE2 Update 2 (and the first Help Update) have been released. Here are a few notes and comments, since this update is slightly different from others in the past. You can get the update download from CodeCentral at http://cc.embarcadero.com/item/28597, download the new ISO at ...
Details Favorite? Off-Topic? marcocantu @ 17:53
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dorm, “The Delphi ORM”, officially published at ITDevCon

Daniele Teti's programming blog – As all the attendees have seen, at the last ITDevCon, I’ve officially published dorm as an OpenSource project. You can find the project on google code: http://code.google.com/p/delphi-orm/ An introduction to dorm is available on google docs. dorm begins as a my personal project more than one ...
Details Favorite? Off-Topic? Daniele Teti @ 17:50
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Time for DWScript v2.3!

DelphiTools – Or in other words, Delphi Web Script 2.2 has been branched! “Rich. Small. Fast. Reliable. Choose any Four” With v2.2, DWScript is now aiming for that motto*, and this new release represents a major step forward from 2.1 in terms of language features and robustness. DWScript 2.2.0 (348 ...
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ITDevCon 2011 Summary

Marco's Tech Blog – Last week ITDevCon conference was very nice, as usual. I gave 4 sessions (including an Advantage DataBase vendor session) and tool part in a panel about recent Delphi libraries that take advantage of recent Delphi language features. I also attended several other sessions, often hard to choose given ...
Details Favorite? Off-Topic? marcocantu @ 14:19
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You need at least 5Gb free space for Update 2 for #Delphi XE2, C++Builder XE2 and RAD Studio XE2

The Wiert Corner – Yesterday, Update 2 for Delphi XE2 / C++ Builder XE2 / RAD Studio XE2 became available for download. A few notes from my experience upgrading from a full RAD Studio XE2 Update 1 install (from ISO): You need at least 5 Gb free disk space to install Update 2. It will leave a 300 Mb directory at ...
Details Favorite? Off-Topic? jpluimers @ 12:00
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SmartInspect for Delphi XE2

blog.gurock.com – If you are a Delphi developer you likely already know that Embarcadero recently released this year’s Delphi update called Delphi XE2. Delphi XE2 comes with support for 64-bit systems and with multi-platform capabilities. We just released an updated version of our logging tool SmartInspect that ...
Details Favorite? Off-Topic? Dennis Gurock @ 11:49
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