Articles

I Love Xbase++ (ILX)
The portal for Xbase++ developers worldwide
Steffen F. Pirsig
3 min read
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326
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1
Introduction to Software Modernization Today's modernization of legacy software systems has become a critical decision for any organization. The choice between software migration and re-implementation is a strategic one, each with distinct advantages and challenges. This discussion is...
Steffen F. Pirsig
4 min read
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574
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1
In software development, a monolithic object or class refers to a design where a single class performs a variety of functions that could logically be separated. These classes for example handle data access (like database queries), business logic (application-specific rules), and sometimes even...
Frank Grossheinrich
4 min read
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188
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1
You often read "ISAM" in newsletters and other communications from Alaska Software. And many people have heard it or know it from the inside out, but someonly have a vague idea of what it means. If you belong to this group, then it's worth reading this short article. The good news first: if you...
Frank Grossheinrich
1 min read
Views
272
Please log in to the ASI portal. Note: The ASI portal requires the same log in credentials as the ILX portal. If you never have logged in to ILX please see this article which describes how to initially log in and get your credentials. As soon as you successfully logged in to ASI portal you...
Frank Grossheinrich
1 min read
Views
326
The ILX Portal is very important and indispensable for an Xbase++ developer for several reasons. ILX ("I Like Xbase++") is the knowledge database all about Xbase++. Here you will find short tips & tricks for Xbase++, but also detailed in-depth articles on many topics such as SQL with Xbase++...
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Steffen F. Pirsig
8 min read
Views
465
Prolog Using many small services, known as microservices, is a popular way to build applications. But, working with microservices can be very complicated. However, the complexity arises not from the Xbase++ business logic code - a domain in which an Xbase++ developer is highly proficient - but...
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Steffen F. Pirsig
3 min read
Views
535
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1
The re-implementation of existing legacy software systems often faces significant challenges, and understanding these can illuminate why such projects frequently fail. This little write-up is far from complete but tries to create awareness regarding these important and very often underrated...
Anna Hristova
2 min read
Views
259
Introduction: In this how-to article, we will explore how to efficiently process CSV data using SQLite. Subsequently, we'll demonstrate how to access SQLite databases using the USqlStatement class to execute arbitrary SQL commands. Prerequisites: Before we dive into the process, make sure you...
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Steffen F. Pirsig
4 min read
Views
774
Background Microservices architectures consist of loosely coupled, reusable, and specialized components that often operate independently. Microservices also use a high degree of cohesion, also known as bounded context. Bounded context refers to the relationship between a component and its data...
Andreas Herdt
2 min read
Views
261
Introduction Xbase++ is a versatile programming language that allows developers to create multi-threaded applications easily. In this article, we will explore how to use the Thread class in Xbase++ to create and manage an operating system thread capable of executing different tasks. We will...
Anna Hristova
3 min read
Views
368
Introduction Xbase++ is a development tool that offers Xbase Parts for building Windows Desktop applications. One feature that Xbase++ programmers can leverage is the ability to configure these Xbase Parts through subclassing. Not only does this approach allow for personalized coloring and UI...
Steffen F. Pirsig
4 min read
Views
613
Reaction score
1
Background In the realm of software development, keeping a software product current, reliable, and robust requires a strategic approach. Alaska Software, the vendor of the programming language and development platform Xbase++, has adopted a strategy known as Continuous Delivery to maintain the...
Steffen F. Pirsig
4 min read
Views
984
Introduction Composition and inheritance are two major concepts in object-oriented programming (OOP) that allow for creating complex types. Inheritance is a mechanism where you can derive a class from another class for a hierarchy of classes that share a set of variables and methods. The...
Till Warweg
2 min read
Views
382
Background The XbpHtmlViewer2 class has a data folder that serves as an integral mechanism for session isolation. This feature is critical for applications using the class, which internally relies on the Microsoft WebView2 runtime. By ensuring that every process employing XbpHTMLViewer2...
Steffen F. Pirsig
3 min read
Views
237
Prolog In the realm of software development, it's imperative for companies to adopt versioning strategies that are both meaningful to developers and aligned with modern development methodologies. Alaska Software, as the vendor of the Xbase++ platform, has seamlessly integrated these...
Steffen F. Pirsig
3 min read
Views
734
Introduction Interfaces in Object-Oriented Programming (OOP) play a critical role in designing robust software. In the following we will try to explain the benefits of using interfaces and how to implement them in Xbase++. Generally, benefits of using interface are: Abstraction: Interfaces...
Anna Hristova
3 min read
Views
534
In this article we will have a deeper look into how to implement different types of REST APIs using Xbase++ 2.0. We assume that a user management REST API exposes two endpoints.: 1. "POST /users" - This creates a new user. For this request, we need to send user data in the request body. The API...
Anna Hristova
2 min read
Views
477
Let's start and create an example where we'll retrieve posts from a public REST API, such as JSONPlaceholder which is a free online REST API that you can use for demonstration and testing purposes. Here's the URL endpoint to retrieve posts: https://jsonplaceholder.typicode.com/posts Now, let's...
Andreas Herdt
3 min read
Views
484
Background The SQL command ALTER TABLE can be used to modify the structure of an ISAM emulated SQL table on the PostgreSQL server. However, in order to preserve the ISAM emulation characteristic, some details have to be taken into account which are described in this article. This article does...
Andreas Herdt
4 min read
Views
452
Overview In this article it is shown how the class AesCrypt() can be specialized to implement some padding schemes for encrypting and decrypting messages. Background The Advanced Encryption Standard (AES) standard is a block cipher algorithm that only allows for the encryption of messages in the...