Story Tag: CodeProject

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Enabling TLang to handle more than 17 translations: a workaround for a regression bug in Delphi XE3

Yanniel Yanniel I recently had to localize a FireMonkey application and for that I aimed to use the TLang component. With TLang you can define a collection of native strings to be localized and the corresponding translations… … Read more 12 years ago in Delphi, Delphi Programming, FireMonkey 0

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Refactoring to patterns. Yet another TDD example coded in Delphi

Yanniel Yanniel Long overdue here is my second article about Test Driven Development (TDD) in Delphi. This is a continuation of TDD in Delphi: The Basics, another post that I wrote a few months earlier. I would like… … Read more 12 years ago in Behavioral Patterns, Delphi, Delphi Programming, Design Patterns, DUnit, Object Pascal Programming, Object-Oriented Programming, Pascal Programming, TDD, Template Method, Test Driven Development 0

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Test Driven Development in Delphi: The Basics

Yanniel Yanniel I intend to write a Test Driven Development (TDD) series, targeted for Delphi developers. I will use DUnit, the unit testing framework for Delphi.Note folks that the purpose of this is NOT to discuss the… … Read more 13 years ago in Delphi, Delphi Programming, DUnit, Object Pascal Programming, TDD, Test Driven Development, Unit Testing 0

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String comparison in Delphi

Yanniel Yanniel Have you ever wondered how utilities like Beyond Compare or DIFF are comparing files? They do it (I guess) by solving the longest common subsequence (LCS) problem.After reading the Wikipedia article linked above, I obtained… … Read more 13 years ago in Delphi, Delphi Programming, Object Pascal Programming, Object-Oriented Programming, Pascal Programming 0

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Delphi Implementation for the OpenSubtitles API

Yanniel Yanniel OpenSubtitles.org allows searching and hosting subtitles in several formats (SRT, SUB, etc.) and pretty much every language. It currently has a vast database of subtitles (expanding every day). OpenSubtitles.org also exposes a XML-RPC based API… … Read more 13 years ago in API, Delphi, Delphi Programming, Object Pascal Programming, Pascal Programming, programming, XML 0

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Generating Fibonacci numbers in Delphi: Recursive and iterative algorithms

Yanniel Yanniel In this post, I want to implement a function that returns the Nth Fibonacci number. Initially, I will provide a recursive implementation that derives directly from the Fibonacci sequence definition. Afterwards, I will recode the… … Read more 13 years ago in Delphi, Delphi Programming, iterative, pascal, Pascal Programming, programming, recursion, recursive 0

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Internationalizing your Delphi application: An ABC example

Yanniel Yanniel If you want to make your Delphi application general enough to address multiple locales, then you need to internationalize it. There are three common aspects that I want to emphasize (no necessarily in that order):… … Read more 13 years ago in Delphi, Delphi Programming, Object Pascal Programming, programming 0

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Multiton Design Pattern in Delphi

Yanniel Yanniel The multiton is somewhat an extension of the singleton pattern. It is referred as registry of singletons by the GOF. I don’t know for sure who appointed the name multiton: it’s an analogy derived from… … Read more 14 years ago in Creational Patterns, Delphi, Delphi Programming, Design Patterns, Object Pascal Programming, Object-Oriented Programming 0

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Dependency Injection in Delphi: a simple example

Yanniel Yanniel 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… … Read more 14 years ago in Delphi, Delphi Programming, Design Patterns, Object Pascal Programming, Object-Oriented Programming, programming 0

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Decorator Design Pattern in Delphi. Multiple Decorations

Yanniel Yanniel In my previous post I introduced the decorator design pattern to you. I used a fairly simple example (a silly example if you wish) in order to give you a flavour of the pattern. I… … Read more 14 years ago in Computers, Delphi, Delphi Programming, Design Patterns, Object Pascal Programming, Object-Oriented Programming, programming, Structural patterns 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 14 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 14 years ago in Computers, Delphi, Delphi Programming, Object Pascal Programming, Object-Oriented Programming, programming 0
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