Archive

Thursday, 21. March 2013

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Porting to Delphi XE2: Delphi XE2 Unit scope names not always right

The Wiert Corner – Sometimes, Delphi XE2 gets confused after converting an old Delphi project because the Unit scope names are not correct. When creating a new Delphi XE2 application, the Unit scope names are as follows: System;Xml;Data;Datasnap;Web;Soap;Vcl;Vcl.Imaging;Vcl.Touch;Vcl.Samples;Vcl.Shell This means ...
Details Favorite? Off-Topic? jpluimers @ 06:00
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Casablanca - Here’s looking at you, Microsoft

JT @ Embarcadero – If there is one thing that Enterprises need to do today - they need to deliver functionality and data onto mobile devices. Although there are plenty of technology options for remoting and moving data around the cloud and/or to a client, a clear, emerging, leader here is the use of REST technology. ...

Wednesday, 20. March 2013

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Webinar: C++ in the Multi-Device Enterprise

The Hacker's Corner – Across social media, industry articles, and corporate polices, we hear more terms like “BYOD” (Bring Your Own Device).  Enterprises these days are seldom just Windows or Mac, onsite or cloud.  Multiple devices are the new reality for software developers, but how can you keep up with it all? Join us ...
Details Favorite? Off-Topic? Anders Ohlsson @ 22:06
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The US Supreme Court just ruled that publishers have no right to differential pricing

TURBU Tech – If you’ve been paying attention to copyright and the myriad ways it gets abused by publishing interests, you’ve probably heard of the Kirtsaeng case.  For those just tuning in, here’s quick recap: John Wiley & Sons is a publishing company, involved in one of the most despicable ...
Details Favorite? Off-Topic? Mason Wheeler @ 06:45
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Confusing Delphi message: [DCC Error] E2201 Need imported data reference ($G) to access ‘VarCopyProc’ from unit ‘XXX’

The Wiert Corner – I recently had an error like this when building with packages: [DCC Error] E2201 Need imported data reference ($G) to access 'VarCopyProc' from unit 'SynCommons' It was a bit hard to find good information about this error, mainly because of two reasons: the documentation on E2201 Need imported data ...
Details Favorite? Off-Topic? jpluimers @ 06:00

Tuesday, 19. March 2013

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Showing Delphi iOS Apps in Zeist

Marco's Tech Blog – Yesterday I showed a few iOS apps built with Delphi at the SD Event in Zeist, Netherlands. Given I couldn't use Reflector (the wifi had a rather string firewall, apparently) I used the internal Mac webcam to show the device. Bob Swart took this quite unusual picture of me. It was a rather nice ...
Details Favorite? Off-Topic? marcocantu @ 14:53
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Porting Delphi 2006 to XE2, fields versus properties: tightened compiler error E2197

The Wiert Corner – When porting some communications code that used records as properties from Delphi 2006 to Delphi XE2, I came across a tightened compiler error “E2197 Constant object cannot be passed as var parameter“. Let me first explain the good old occurrence of E2197 with some code that uses my last ...
Details Favorite? Off-Topic? jpluimers @ 06:00
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Getting Memory Device Info using Object Pascal (Delphi / FPC) and the TSMBIOS

The Road to Delphi – If you need to know what type of RAM is installed in your system or how is the manufacturer of your memory device, you can try reading the SPD (Serial presence detect) info directly (but not all the memory devices exposes the SPD info and reading the SPD require Kernel Mode access) , use the ...
Details Favorite? Off-Topic? Rodrigo @ 02:58

Monday, 18. March 2013

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C++ in the Multi-Device Enterprise

Sip from the Firehose – In every conversation, social network post and industry article, you hear about the need for multi-device support inside an Enterprise. Terms like BYOD appear in most articles and Enterprise strategies. Computing in a modern Enterprise is not only a Microsoft Windows world. Enterprise organizations ...
Details Favorite? Off-Topic? David Intersimone @ 23:45
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New ISO C++ Working Group papers tweets

JT @ Embarcadero – If any of you are interested in the C++ standard, the current Working Group 21 is tweeting paper submissions as they come in. Check out @isocpp. Some recent notables for me: A Parallel Algorithms Library Proposal for Assorted Extensions to Lambda Expressions—Faisal Vali et al. Proposal for Generic ...
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Class Helpers can help make multi-tier tasks easier.

Stephen Ball – A few weeks back we had a great discussion on Developer Direct titled "Mind your language(s) - vital expressions you need to know" - the replay for this will be available soon from the Developer Direct Season 3 playlist on YouTube. One part of the language we covered in this session talked about ...
Details Favorite? Off-Topic? Stephen Ball @ 14:59
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Warsaw, Brno and David I in Europe

Pawel Glowacki – What a week it was! Travelling and showing Delphi for iOS to developers in different countries. Very rewarding experience. This product and technology are going to rock when they are released. Delphi (and C++Builder) developers are so super happy to see the technology that supports what is hot on ...
Details Favorite? Off-Topic? Pawel Glowacki @ 11:38

Sunday, 17. March 2013

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Multithreading and PostMessage performance

Behind the connection – Windows messaging system is very useful for doing asynchronous programming, including multithreading. But what about performance?   In asynchronous operation, including multithreading, a developer frequently needs a message queue to serialize processing and notifications. Windows has his own ...
Details Favorite? Off-Topic? François Piette @ 23:25

Saturday, 16. March 2013

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Locking my iOS drums app to landscape orientation

JT @ Embarcadero – I’ve recently decided my PlayMyDrums iOS app is best suited for the iPad and more specifically landscape mode (rotated 90 degrees). Take a look at the app in Portrait mode - it doesn’t provide enough playing area since it shrinks the image to fit. Additionally, the FireMonkey ellipses I ...

Friday, 15. March 2013

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Publishing pictures from an HTML5 app

DelphiTools – This is a belated followup to the L-System Fiddle series from last year (more like a forgotten article), which ended with a Pascal-based HTML5 app being used to generate fractals and publish them to imgur. Why imgur? Well because they have a well-documented API and they don’t require ...
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