Story Tag: CodeProject
VOTEEnabling TLang to handle more than 17 translations: a workaround for a regression bug in Delphi XE3
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
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Refactoring to patterns. Yet another TDD example coded in Delphi
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
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Test Driven Development in Delphi: The Basics
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
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Deep copying (cloning) objects in Delphi
Yanniel
When I first took a look at the prototype design pattern in GoF(years ago), I realized that there was a big obstacle (challenge) to implement it in Delphi: How to write a routine to really… … Read more
13 years ago in Delphi, Delphi Programming, Object Pascal Programming, Object-Oriented Programming
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String comparison in Delphi
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
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Delphi Implementation for the OpenSubtitles API
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
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Pascal Server Pages – Pascal Script
Yanniel
Without getting too technical, I would define a Pascal Server Page (PSP) as a dynamic web page containing embedded Pascal Script (PS) code. When a web request is made, the PS code needs to be… … Read more
13 years ago in Delphi, Delphi Programming, Object Pascal Programming, pascal, Pascal Programming, Pascal Script
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Generating Fibonacci numbers in Delphi: Recursive and iterative algorithms
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
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Internationalizing your Delphi application: An ABC example
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
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Multiton Design Pattern in Delphi
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
13 years ago in Creational Patterns, Delphi, Delphi Programming, Design Patterns, Object Pascal Programming, Object-Oriented Programming
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Dependency Injection in Delphi: a simple example
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
13 years ago in Delphi, Delphi Programming, Design Patterns, Object Pascal Programming, Object-Oriented Programming, programming
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Decorator Design Pattern in Delphi. Multiple Decorations
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
13 years ago in Computers, Delphi, Delphi Programming, Design Patterns, Object Pascal Programming, Object-Oriented Programming, programming, Structural patterns
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Decorator Design Pattern in Delphi. Single decoration
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
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Anonymous Methods in Delphi
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
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