Archive

Tuesday, 6. August 2013

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delphi – Winrollback/DeepFreeze How these softwares work? – Stack Overflow

The Wiert Corner – StackOverflow user opcOde wrote something interesting: Writing device drivers in delphi is hard to impossible. Here is an attempt to write drivers in delphi. It is funny to see the link pointing to the DelphiBasics site: Advanced Delphi Driver Development Kit – DelphiBasics. On my list of ...
Details Favorite? Off-Topic? jpluimers @ 07:00
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Reminiscence of the past: Delphi I/O error 131

The Wiert Corner – I was called by a client that didn’t want to do maintenance on an old Delphi application, but wanted to get dir of an I/O Error 131: I/O Error 131: ERROR_NEGATIVE_SEEK MessageText: An attempt was made to move the file pointer before the beginning of the file. Tough luck: psychic powers told me ...
Details Favorite? Off-Topic? jpluimers @ 07:00
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Dragging and Dropping in DBGrids Revisited

Let's Get Technical – About a year ago I posted a blog that described in detail how to implement drag and drop operations with a DBGrid. The technique that I described employed a ClientDataSet as a key element in the drag and drop process, and it is one that I have used extensively in the year since.There was one glich, ...
Details Favorite? Off-Topic? noreply@blogger.com @ 03:00

Monday, 5. August 2013

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You Clumsy GIT

TPersistent.com – I recently ran into an issue when refactoring a project, in which the compiler was reporting an error that a method had insufficient arguments.  Using Ctrl + clicking to drill through the code clearly showed a parameterless overload.  Error insight also seemed to be off exactly one line. Rearranging ...
Details Favorite? Off-Topic? Larry Hengen @ 14:09
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Webinar: Data Visualization in Multi-Device Apps with RAD Studio

Delphi Insider – We have a great new webinar coming up August 14 that you won't want to miss. Register now! You’re invited to join Embarcadero and Delphi expert Ray Konopka to learn about data visualization in a new RAD in Action technical webinar: Data Visualization in Multi-Device Apps with RAD Studio ...
Details Favorite? Off-Topic? Tim Del Chiaro @ 12:39

Saturday, 3. August 2013

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Numerics for Delphi & FPC

The Programming Works – I “officially” released first beta version of my multiple-precision integer arithmetic implementation – Numerics050. The project taken more time than I expected but now the design (I hope) become stable. All that is needed to use BigCardinal and BigInteger types with Delphi or ...
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Numerics for Delphi & FPC

The Programming Works – I “officially” released first beta version of my multiple-precision integer arithmetic implementation – Numerics050.zip. The project taken more time than I expected but now the design (I hope) become stable. All that is needed to use BigCardinal and BigInteger types with Delphi or ...

Friday, 2. August 2013

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Sum(Programming Languages) > 0

The PodCast at Delphi.org – A Zero-sum game is a situation where for one contestant to win or gain, the other contestants must lose or have a loss. Thus for contestant A to have a +5 then contestant B must have a -5, resulting in a sum of 0. Programming languages, and the battle for supremacy, is not such a contest. Many ...
Details Favorite? Off-Topic? Jim McKeeth @ 22:32

Thursday, 1. August 2013

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Migrating Delphi Code: Technical Challenges

Marco's Tech Blog – I'm spending some time focusing on migration of applications written with old versions of Delphi. First step I want to focus on in this blog post are the technical issues making things difficult. Later on, I'll move to potential solutions. For now, let's keep the reason why one wants to move (or ...
Details Favorite? Off-Topic? marcocantu @ 13:09
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Delphi: Embarcadero Summer School lesson 6 Q&A (Powerful multi-tier applications with DataSnap.)

The Wiert Corner – Lesson 6 of the Embarcadero Mobile Development Summer School was titled Powerful multi-tier applications with DataSnap. Download of the video will be at streaming.embarcadero.com/summerschool2013. The Twitter coverage is at Twitter / Search – #embtdd. Here is the Q&A chat for that session: ...
Details Favorite? Off-Topic? jpluimers @ 12:39
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Programatically Disable the Idle Timer on iOS using the ObjectiveC Bridge

Malcolm Groves – How to stop your iOS device sleeping while it's in the middle of something, and also shows how to reach out to the iOS API for something not exposed via FireMonkey.
Details Favorite? Off-Topic? Malcolm @ 06:30

Wednesday, 31. July 2013

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Duck Typing in Action

RemObjects Blogs – I came across a really awesome use of Duck Typing yesterday, and i wanted to share this with you, since i think Duck Typing is one of those features in Oxygene that are incredibly powerful, but underrated – probably even unknown to many users. This is actual code that is live on our website, ...

Tuesday, 30. July 2013

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Announcing the Oxygene 6 “July 2013″ Update

RemObjects Blogs – We’re thrilled to inform you that the “July 2013″ update for Oxygene 6 is available now. The team has been incredibly hard at work since we shipped Oxygene 6 in May, both on this update and on the next feature release coming up in August, and the “July 2013″ update ...
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Buy Delphi, Get 6 Months Free Maintenance

Marco's Tech Blog – If you buy some versions of Delphi and RAD Studio (basically those including the mobile support), you'll receive 6 months of free maintenance. So rather than waiting for our next release, you can start developing now, receive any new version shipping until the end of the year, and renew your ...
Details Favorite? Off-Topic? marcocantu @ 16:53
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Static specifier and overriding class methods

The Programming Works – I’ve encountered an interesting problem while overriding virtual class method. Consider the next program: program Project1; {$APPTYPE CONSOLE} uses SysUtils; type TBase = class class function GetName: string; virtual; class procedure Test; static; end; TChild = ...
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