Story Category: Delphi

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Delphi / RAD Studio XE2 Unit Scope Helper

Bob Swart Bob Swart Delphi XE2 introduces unit scope names, which means that a unit name gets a prefix in the RTL, VCL and FMX libraries. Since it’s not always immediately obvious which of the 31 Delphi XE2 unit… … Read more 13 years ago in Delphi 0

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Forms and Data Entry Validation – Part 1

Unknown Unknown This is not an article about LiveBinding. I was once hoping it was going to be, but instead it has become an alternative to LiveBinding. If anything, it is about compile-time binding and quality assuring… … Read more 13 years ago in anonymous methods, Delphi, FireMonkey, forms, generics, input, LiveBinding, validation, vcl 0

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RAD Studio XE2 is RTM

Unknown Unknown The wait is over. If you have bought XE with Software Assurance, your SA Upgrade notice will be arriving shortly. If you want to try it out NOW, you can already download the 30-day trial… … Read more 13 years ago in Delphi, Embarcadero, RAD Studio, XE2 0

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Delphi and RAD Studio XE2 30-day trials available

Bob Swart Bob Swart Although not officially announced by Embarcadero, yet (unless I’ve missed something), the 30-day trial editions of Delphi XE2 Architect and RAD Studio XE2 Architect are now available for download. As soon as these products are… … Read more 13 years ago in Delphi 0

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Decorator Design Pattern in Delphi. Single decoration

Yanniel Yanniel Decorator (also referred as Wrapper) is classified by GoF as a structural pattern. Its purpose is to:“Attach additional responsibilities to an object dynamically. Decorators provide a flexible alternative to subclassing for extending functionality.”&nb… … Read more 13 years ago in Computers, Delphi, Delphi Programming, Design Patterns, Object Pascal Programming, Object-Oriented Programming, programming, Structural patterns 0

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Anonymous Methods in Delphi

Yanniel Yanniel Under the scope of Delphi, an anonymous method is either a procedure or function that’s unattached to an identifier. In other words, anonymous methods don’t have names, which is why they are called “anonymous”.Basically, you… … Read more 13 years ago in Computers, Delphi, Delphi Programming, Object Pascal Programming, Object-Oriented Programming, programming 0

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Hide the utter "Create" constructor of TObject in Delphi

Yanniel Yanniel In Delphi, constructors can be inherited; this doesn’t happen in Java, C# and C++ for example. Furthermore, constructors in Delphi can have multiple and different names; usually they are called Create, but this is just… … Read more 13 years ago in Computers, Delphi, Delphi Programming, Object Pascal Programming, Object-Oriented Programming, programming 0

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My contributions to the Delphi community at RosettaCode

Yanniel Yanniel RosettaCode is a wiki site that gathers a collection of programming tasks being resolved in as many programming languages as possible.You can post solutions to a particular task using a particular language (Delphi, Java, C++,… … Read more 13 years ago in Delphi, Delphi Programming, Object Pascal Programming, pascal, Pascal Programming, programming 0

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A little bit of zis, etc. #2

Francesca Gaillard Francesca Gaillard I know, I’ve been not very much of a blogger lately… Delphi XE2 is announced and it surely looks like a very interesting release (and probably with some nasty bugs as well, we’ll see)… I… … Read more 13 years ago in A little bit of zis, Conference, Delphi, Motorcycle, tiobe, UI, Uncategorized, User Interface, windows 0

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Weird code snippet #2: Generic Double Linked List

Unknown Unknown They say Generics and pointers don’t mix. type PMyThing<T> = ^TMyThing<T> // [DCC Error] E2508 type parameters not allowed on this type TMyThing<T> = record Thing: T; end;Ok, they don’t. But there is a loophole!type… … Read more 13 years ago in Delphi, generics, pointers 0

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Parameterized Factory Method in Delphi

Yanniel Yanniel Factory Method is a creational design pattern, whose intent (according to Design Patterns: Elements of Reusable Object-Oriented Software) is to:“Define an interface for creating an object, but let subclasses decide which class to instantiate. Factory… … Read more 13 years ago in Creational Patterns, Delphi, Delphi Programming, Design Patterns, Object-Oriented Programming, pascal, programming 0

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Weird code snippet #1: Pseudobinary case statement

Unknown Unknown Curt Carpenter suggested a language addition for handing binary case logic.That gave me this idea. Chalk it up as another weird code snippet from yours truly.///<summary>> Convert array of booleans to a pseudobinary integer. ///Good… … Read more 13 years ago in binary, case, Delphi 0

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Template Method Design Pattern in Delphi. A working example

Yanniel Yanniel The Template Method Pattern is very easy to understand and implement. Here’s the definition borrowed from Design Patterns: Elements of Reusable Object-Oriented Software book:“Define the skeleton of an algorithm in an operation, deferring some steps… … Read more 14 years ago in Behavioral Patterns, Delphi, Delphi Programming, Design Patterns, Object-Oriented Programming, pascal, programming, Template Method 0