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Introduction To Lazarus/Freepascal

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I present to you my second book: „Introduction to the Lazarus IDE“ – 2024. Lazarus IDE is a programming environment for developing applications. It is cross-platform, and at the same time completely free and free to use. The free course covers most of the chapters in my book Introduction to the Lazarus IDE. I have created many video tutorials for it, free of charge of course. I have tried to keep everything simple and understandable. Simply press compile, then copy a single program file to a computer, and your application is deployed. There are no dependencies. The Lazarus mantra is: write once. compile anywhere. A friendly introduction video to the Lazarus environment is located here. At getlazarus we evangelize Lazarus and Free Pascal.

Lazarus to the aid of Visual Studio Code

OpenCl Lazarus FreePascal Example - YouTube

Wenn Sie in die Tiefe gehen oder mehr über Themen jenseits der grundlegenden Datenstrukturen erfahren möchten, können Sie Bücher und Zeitschriften über Pascal-Programmierung kaufen, die auf der Wiki-Seite Pascal and Lazarus Books and Magazines aufgelistet sind.

A new and interesting project now allows to create ExtJS webapplications by transforming Pascal code written in Delphi or Lazarus to javascript code: An introduction to Extpascal.

Free Pascal (FPC): An open-source compiler that supports various Pascal dialects and is available on multiple platforms. Turbo Pascal: An older but historically significant compiler developed by Borland. Lazarus: An open-source integrated development environment (IDE) for

Introduction Resource files contain data which should be compiled into the executable file. That data could consist of images, string tables, version info, even a Windows XP manifest and forms. This includes data that the programmer can retrieve in his code (accessing them as files). Using resources can be handy if you want to distribute self-contained INTRODUCTION Brook for Free Pascal is the perfect Free Pascal framework for your web applications. It’s pure Pascal. You don’t need to leave your preferred programming language. It’s complete: simple actions or configurable actions for database access, advanced routing features, wizard for Lazarus, support for internationalization, high compatibility with JSON structures, Hi, I wrote a few new chapters to the „Modern Object Pascal Introduction for Programmers“ book: 4.8. Calling inherited method 4.9. Virtual methods, override and reintroduce 5.4. The virtual destructor called Destroy 8.5. Static class methods 8.6. Class properties and variables It is also available now under a shorter URL, on a new domain for my Castle Game

1 Introduction Recently, FPC received a substantial upgrade in its threading code. It has been made com-patible with the Delphi XE3 threading possibilities. Time for a refreshment on how to do threading in Lazarus/Free Pascal. Wenn Sie in die Tiefe gehen oder mehr über Themen jenseits der grundlegenden Datenstrukturen erfahren möchten, können Sie Bücher und Zeitschriften über Pascal-Programmierung kaufen, die auf der Wiki-Seite Pascal and Lazarus Books and Magazines aufgelistet sind.

Install on aarch64 Arch or Manjaro

1 Introduction The lazarus team keeps on developing the lazarus IDE and the LCL (the Lazarus Compo-nent Library). If you are eager to use one of the new features, it is not necessary to wait for the official release of a new version of Lazarus. Because Lazarus is an open source project, you can perfectly install the latest sources and build Lazarus for yourself.

Set the top left list boxes FPC version and Lazarus version to trunk or embedded which are both in the Basic tab. Build the Lazarus base trunk/embedded version with Install/update FPC+Laz. Introduction Printing is easy in Lazarus/FreePascal. However, you do need to follow some required steps. First steps first. After those first steps, you can branch out to more advanced printing. This article discusses the required steps, as collected from various forum pages and examples. After the basic steps, we are going to print some text. Finally a hint of Getting Started After you have downloaded and installed the Lazarus IDE, which will also install the Free Pascal Compiler, you are ready to launch the Lazarus IDE and create your first program.

Introduction Printing is easy in Lazarus/FreePascal. However, you do need to follow some required steps. First steps first. After those first steps, you can branch out to more advanced printing. This article discusses the required steps, as collected from various forum pages and examples. After the basic steps, we are going to print some text. Finally a hint of

Main Loop Hooks Asynchronous Calls A forum discussion – useful background, why you should almost certainly not access LCL items from within a thread and what you can, safely access. Mutlithreading – The Delphi way Synchronizing Threads and GUI in a Delphi Application Introduction to thread programming in Lazarus – handout given by This is the Lazarus learning center web portal. If you would like to contribute to this portal, use the edit this page command at the top of every page. Our editors will review and edit your submissions then add it to the learning center.

Basic Pascal Tutorial/Introduction

│ Deutsch (de) │ English (en) │ français (fr) │ Introduction First of all, DirectX is only suited for Microsoft Windows. DirectX programming in Free Pascal is fast. Calling a DirectX function is not different from other languages like C++ (with some small exceptions). To use DirectX you will need to know some basic stuff about the language. A valuable resource is

So I wrote this quick introduction to what I call modern Object Pascal. Most of the programmers using it don’t really call it „modern Object Pascal“, we just call it „our Pascal“. But when introducing the language, I feel it’s important to emphasize that it’s a modern, object-oriented language. It evolved a lot since the old (Turbo) Pascal that many people learned in schools Silver Pascal Coder – Green Coding SeriesActually I have a very long list of topics but I think you should start with some general topics that suitable for beginners/newbies first, like: – How Lazarus compare to Delphi – How to convert Delphi source codes to Lazarus – Writing simple GUI programs, like calculator, screen capture, etc – Writing simple games, like pong, etc

Introduction There are some situations where applications need to execute lots of asynchronous concurrent operations. OS-level threads could be used for this purpose, but an application can create only a limited count of threads. As for CPU utilization there is no significant performance gain if more threads are created than physical cores available on a CPU. In fact Nothing more for an introduction in fuzzy logic, which is much easier to understand and also a base of aI i wrote a zadeh logic a couple of years ago: https://forum.lazarus.freepascal.org/index.php/topic,41144.msg295348.html#msg295348 If you can work with that, you will probably also understand schuler’s code. Looking at the existing documentation of TAChart, I’d say there is already a lot, much more than for other Lazarus libraries. From the perspective of a beginner I’d be missing an introduction which describes the TAChart framework: what is a chart? what is a series? what are these damn‘ tools for?

Books: Creating a Website from Scratch, Introduction to the Lazarus IDE. Also suitable for complete beginners.

Quick Modern Object Pascal Introduction, for ProgrammersThis I would like to keep simple. For programmers coming from Java or C# or modern C++ (with std::string) or PHP or Python or, it’s not news that using strings is easy, and they can be just concatenated with an operator, and you don’t need to worry about memory management. I think that only for Hi all, I would like to know what are some worthwhile books about Object Pascal that came out not too long ago? I am already reading Marco Cantu, I’ve also seen a few books that only cover the introduction. I would like to expand my set of books. If possible, more about Free Pascal and Lazarus. I have seen some Delphi books, but they are very old. I would like to Databases – An introduction to using databases in Lazarus and links to other database articles. Developing with Graphics – Examples on 2D & 3D graphic programming.

fcl FCL – Free Component Library Introduction The Free Component Library is meant to be an free equivalent of Delphi’s VCL – only all components in this library are non-visual. Visual components are the domain of other projects such as Lazarus or MSEide+MSEgui. 1 Introduction It is no secret that the code tools of the Lazarus IDE are excellent, and even surpass the ones in the Delphi IDE. So for coding in Object Pascal, the Lazarus IDE is an excellent choice. Introduction There are many excellent tutorials about Pascal, but this tutorial attempts to take the beginner further, into Object-Oriented Programming with Object Pascal, which is an extension to standard Pascal, offered by Turbo Pascal, Delphi and Free Pascal / Lazarus. An Object is an extension of the standard Pascal record structure Standard text

Introduction As of August 2020 binary packages for Lazarus are not available for Arch or Manjaro Linux on 64 bit ARM (aarch64). A list of ARM packages for Arch Linux is available here. Manjaro is the default Linux version pre-installed on the Pinebook Pro for example. It is therefore necessary to download the FPC tar installer, FPC source, Lazarus source and Introduction DWScript is an object-oriented scripting engine for Delphi based on the Delphi language, with extensions borrowed from other Pascal languages (FreePascal, Prism, etc.). It introduces a few Pascal language extensions of its own as well. DWScript is licensed under Mozilla Public License v 1.1 . FPC port Current state started new port targeting FPC

Overview This page describes how to run single procedures in parallel using the MTProcs unit, which simplifies running procedures in parallel and simplifies implementing parallel algorithms. Parallel procedures and methods are often found in parallel algorithms and some programming languages provide built-in support for them (e.g. OpenMP in gcc). See OpenMP Databases – An introduction to using databases in Lazarus and links to other database articles. Developing with Graphics – Examples on 2D & 3D graphic programming.

Introduction to Lazarus IDE – Part II Thank God! On April 12, 2025, I managed to complete the second part of this book! So, whoever is interested can now purchase it — just write to me using the contact form on the Contacts page! This book is an upgrade and supplement to my first book about Lazarus IDE and consists of three main parts: 1. Components in Lazarus IDE: