Archive

Tuesday, 8. January 2013

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if then (else) expressions

DelphiTools – “if” expressions are now supported in DWScript SVN, those were introduced to Pascal by Oxygene a couple years back, and are Pascal’s verbose version of the C ternary operator (?:). For instance var s := if (a<>0) then Sin(1/a) else 1; being equivalent to var s : Float; if ...
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OUYA Has Competition: The GameStick

Pascal Game Development – Hey guys, it looks like the OUYA has competition now with a "console on a USB stick"! The console is called the GameStick and has already reached double it's goal of $100,000 USD to become a successful project on the
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For-in Enumeration

Australian Delphi User Group Members – The “For in” style of enumeration in Delphi was introduced in Delphi 2005. The idea is to make enumeration over a collection of things easier and cleaner by removing the need for the iterator variable, removing the code for indexing … Continue reading →
Details Favorite? Off-Topic? DaddyHPriest @ 08:43
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Delphi and C# compiler oddities

The Wiert Corner – When developing in multiple languages, it sometimes is funny to see how they differ in compiler oddities. Below are a few on const examples. Basically, in C# you cannot go from a char const to a string const, and chars are a special kind of int. In Delphi you cannot go from a string to a char. ...
Details Favorite? Off-Topic? jpluimers @ 06:00
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Flotsam and Jetsam #73

Nick Hodges – Do you think it is safe to say that this map is a pretty good illustration and approximation of world-wide Delphi use?  It’s a map of visitors to http://www.spring4d.org.  There are even Delphi users in Iceland! The information you get from this Google Trends search also reveals some ...
Details Favorite? Off-Topic? nick@nickhodges.com @ 02:51

Monday, 7. January 2013

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MVP Nuggets #4 #5 and #6

The Hacker's Corner – Also known as the MVP Nuggets Holiday Digest… Happy New Year to all!!! This MVP Nugget post covers the last three weeks (12/15-1/4). Francois Piette: "TIntegerList property and property editor" - Blog post - Full article (PDF) "Writing an iterator for a container" "Why I am using Delphi for ...
Details Favorite? Off-Topic? Anders Ohlsson @ 23:28
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31 C++Builder XE3 videos in January - Jan 7 - Your first SQL Database C++ FireMonkey application using InterBase Express

Sip from the Firehose – During each day of January 2013, I am creating a new video showing you how to use the new C++Builder XE3 compilers for Win32, Win64 and OSX to create multi-platform, database, multi-tier, HD and 3D applications.  Yesterday you learned how to use Visual Live Bindings and TClientDataSet to build your ...
Details Favorite? Off-Topic? David Intersimone @ 22:36
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31 C++Builder XE3 videos in January - Jan 6 - Your first Dataset C++ FireMonkey application using ClientDataSet

Sip from the Firehose – During each day of January 2013, I am creating a new video showing you how to use the new C++Builder XE3 compilers for Win32, Win64 and OSX to create multi-platform, database, multi-tier, HD and 3D applications.  In the sixth video you will learn how to build your first C++ FireMonkey application ...
Details Favorite? Off-Topic? David Intersimone @ 22:03
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Simple REST Client for Delphi

Jamie's Blog – While writing a Delphi Rich client for a personal project talking to RESTful service I recently became frustrated with the availability easy REST client interfaces for Delphi. As a result, I wrote a small wrapper around the Indy TIdHttp component to provide a fluent interface upon which you can use ...
Details Favorite? Off-Topic? jamiei @ 12:00
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Do you know Build Groups?

The Art of Delphi Programming – Can you make a build in one step? (It is #2 in The Joel Test, but that is not a main topic of this article.) If you can, you have probably set up a clean build system for doing daily builds (#3 of The Joel Test) or even continuous builds based on a source control system (#1 of The Joel Test) and ...
Details Favorite? Off-Topic? Uwe Raabe @ 10:33
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Loop Less with IEnumerable and Spring for Delphi

Nick Hodges – I rave about the Delphi Spring Framework.  But I think my attention to the Dependency Injection Framework – which is only part of it -- has made you guys think that the two are synonymous.  Not true – Spring4D is more than just a Dependency Injection container.  In fact, there is a ...
Details Favorite? Off-Topic? nick@nickhodges.com @ 01:57

Sunday, 6. January 2013

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FMX tip: ‘labels’ with selectable text

Delphi Haven – Say you are designing a form in FMX, and wish to use a read-only edit box. No problem: stick a TEdit on the form and set its ReadOnly property to False. However, doing this doesn’t give any visual indication the edit box’s contents can’t be changed. Moreover, what if you’re ...
Details Favorite? Off-Topic? Chris Rolliston @ 16:06
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31 C++Builder XE3 videos in January - Jan 5 - Using the Metropolis UI in Existing C++ VCL and FireMonkey Apps

Sip from the Firehose – During each day of January 2013, I am creating a new video showing you how to use the new C++Builder XE3 compilers for Win32, Win64 and OSX to create multi-platform, database, multi-tier, HD and 3D applications.  In the fifth video you will learn how to take your existing C++ VCL and FireMonkey ...
Details Favorite? Off-Topic? David Intersimone @ 03:44

Saturday, 5. January 2013

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Original method to iterate the bits within an integer

Behind the connection – Today, I would like to present you an original way of iterating thru all the bits in an integer. The usual way of iterating the bits is to build a moving bit mask in a loop and selecting each bit in turn with that mask. This works perfectly and it is fast. But today, I want to show you a better ...
Details Favorite? Off-Topic? François Piette @ 22:58
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FMX tip: buttons with images that still have nicely-aligned captions

Delphi Haven – Unlike its VCL equivalent, the FMX TSpeedButton has no Glyph property; similarly, TButton doesn’t have the image properties added to the VCL version in D2009, and in FMX, there’s no TBitBtn class to boot. The reason for this is that in principle, there is no need for class-specific image ...
Details Favorite? Off-Topic? Chris Rolliston @ 18:13
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