Lua tutorial

Learn Lua with the Lua programming tutorial

Perhaps you have already heard of the script language Lua. Originating from Brazil, this language is used both for game engines as well as in web servers. As an embedded language, Lua allows you to code in a consistent format, completely independent from the respective environment. Lua therefore provides a convenient interface to more complex systems.

What is the builder pattern?

What is the builder pattern?

The builder pattern is a design pattern that is used to simplify the development of software for repetitive processes. It falls under the umbrella ‘design patterns’ which encompasses the use of templates for structuring, depiction of behaviour or construction. The builder design pattern falls within the latter category. The builder pattern separates the construction of an object from its...

What’s the facade pattern?

Facade pattern: unified interface for software projects

The facade design pattern, facade pattern in short, plays an important role in object-oriented software development. The pattern offers an elegant way to merge different interfaces of sub-system classes and develop software more flexibly and in a less complex manner. Find out what this entails and what its advantages and disadvantages are using facade pattern examples.

Singleton design pattern

The singleton pattern – a class in itself

The singleton pattern comes into play when unchangeable programme sequences are used. A singleton guarantees that a class exists only once. It belongs to the category of creational design patterns in software development. Here, we’ll explore why the singleton design pattern is considered a powerful and yet problematic tool.

What is the decorator pattern?

Decorator pattern: a pattern for dynamic class expansion

Developers often come across huge challenges when managing classes. That is particularly true when managing a large number of sub-classes. The so-called ‘decorator pattern’ promises a solution: the design pattern allows for dynamic optimisation and expansion of classes during the compilation process or even while running software.

What is OpenAPI?

What is OpenAPI?

OpenAPI is an open, vendor-neutral description format for API services. It has many advantages. For example, developers can automatically generate server and client code libraries from a central API definition. Moreover, it is easy to ensure that documentation and tests always reflect the API.

What is an add-on?

What is an add-on and what does it do?

Add-ons can hardly be kept away from today’s browsers. They expand your browser with additional features and give you the chance to customise it to your own needs. In this article, you can find out exactly what add-ons are and what you can do with them. Do you know the difference between add-ons and plug-ins? You’ll learn more about that, too, in this post.

What is a factory method pattern

Factory pattern: the key information on the factory method pattern

If you want to separate the generation of classes or objects from the main class, the so-called factory method pattern or factory pattern is the way to go. This design pattern aims to delegate the creation process to subclasses to make the parent class as flexible as possible for extensions. But how does the factory design pattern work, and what are its advantages?

What is Swagger?

Swagger: a practical solution for developing APIs

Swagger is an OpenAPI specification in metadata format, specially designed for REST-based web services. It is based on JSON but can be used for many generators and clients, for example, C# and TypeScript. It is this flexibility that makes the tool suite so popular. This article will take you step by step through the Swagger lingo and explain how Swagger is used and what benefits it offers.

What is a GUI

What is a graphical user interface (GUI)?

When designing new software, applications, and programs, the user interface plays an important role. After all, it ensures that a game or app is easy to use for end users. The GUI, therefore, provides an interface between technology and people. We explain how exactly this works and what advantages and disadvantages GUIs have.


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