Story Category: Object-Oriented Programming

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LearnCPlusPlus.org :: The Ultimate Guide To C++ Constructors

Yılmaz Yörü Yılmaz Yörü Hello Dear Developers, LearnCPlusPlus.org is the ultimate destination to learn how to use the powerful C++ language in easy steps. We really believe this and everything we do is aimed at giving you a rapid introduction… – Details… 1 year ago in C++, Class Methods, Classes, Code, Constructors, Declaration of a Default Constructor, Default Constructor, Defaulted Default Constructor, Definition of the Default Constructor Outside, Deleted Default Constructor, Function Declaration, Inside of Class Definition, Object-Oriented Programming, Objects, oop, Outside of a Class Definition, Structs 0

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LearnCPlusPlus.org :: Object-Oriented Programming, Structs, Classes, Objects And More

Yılmaz Yörü Yılmaz Yörü Hello C++ Developers, C++ Builder Developers, Dev-C++ Developers, and all other developers. One of the most powerful features of C++ is Object-Oriented Programming (OOP), which makes it different from the C programming language by using… – Details… 1 year ago in Access Specifiers, C++, C++ Builder, c++ builder firemonkey, c++ builder vcl, Classes, Code, Concurrency, Data Structures, games, IDE, Object-Oriented Programming, Objects, oop, RAD Studio, Smart Pointers, Structs 0

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Easily Learn How To Use Classes And Objects In Python With A Delphi Windows GUI App

Azfar Bakht Azfar Bakht Python is one of the worlds most popular languages with an extensive community support. Which makes it an ideal choice for beginners and experts alike! Delphi, the program behind many stunning visual applications, recognizes the…… – Details… 1 year ago in cbuilder, Classes and Objects, Delphi, DelphiVCL, GuiProgramming, Learn Python, learn python gui, object pascal, Object-Oriented Programming, programming, PyObjectClass, Python, python gui, Python GUI Frameworks, Python Strings, python windows, python4delphi, PythonExpression, PythonGUI, PythonModules, PythonScript in VCL, radstudio, windows 0

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HMAC functions in Delphi (HMAC_SHA256, HMAC_SHA1)

Yanniel Yanniel I came across HMAC (Hash-based message authentication code) functions when developing a RESTful client application in Delphi. The RESTful Web Service API required me to send HMAC_SHA256 signatures (Base64 encoded) with each HTTP request.HMAC functions… – Details… 8 years ago in Algorithm, Base64, Delphi, Delphi Programming, HMAC, MD5, Object Pascal Programming, Object-Oriented Programming, SHA1, SHA256 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… – Details… 10 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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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… – Details… 10 years ago in Delphi, Delphi Programming, Object Pascal Programming, Object-Oriented Programming, Pascal 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… – Details… 11 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… – Details… 11 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… – Details… 11 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… – Details… 11 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… – Details… 11 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… – Details… 11 years ago in Computers, Delphi, Delphi Programming, Object Pascal Programming, Object-Oriented Programming, programming 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… – Details… 11 years ago in Creational Patterns, Delphi, Delphi Programming, Design Patterns, Object-Oriented Programming, pascal, programming 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… – Details… 11 years ago in Behavioral Patterns, Delphi, Delphi Programming, Design Patterns, Object-Oriented Programming, pascal, programming, Template Method 0