Story Category: programming

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Project Magician V1.0.15 released

Uwe Raabe Uwe Raabe With the official release of Delphi 10.3.3 Rio comes a new version of Project Magician. This was necessary to support the new platforms introduced in the latest Rio updates. I also took the opportunity to… … Read more 5 years ago in Delphi, programming 0

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CompareValue for booleans

gabr42 gabr42 CompareValue function is incredibly practical when you are writing comparers (functions that determine how some data structure is ordered). System.Math and System.StrUtils define a bunch of functions that can be used to compare integers, doubles,… … Read more 5 years ago in Delphi, programming, tips 0

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When True is not

gabr42 gabr42 Pop quiz! How can the following program …Writeln(True);Magic;Writeln(True);… output this:?TRUEFALSESimple!Read more »— Published under the Creative Commons Attribution 3.0 license … Read more 5 years ago in definitely not best practices, Delphi, programming 0

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The case of a missing begin/end

gabr42 gabr42 Delphi never stops surprising me …Did you know that this is a valid syntax?case a of 0: Writeln(0); else Writeln(‘else’); Writeln(a);end;This code indeed compiles and works exactly as the following fragment.case a of 0: Writeln(0); … … Read more 5 years ago in Delphi, programming 0

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Deep Dive into Design Patterns

gabr42 gabr42 While writing Design Patterns with Delphi, I spent quite some time researching existing literature on design patterns implementation in Delphi, design patterns in other languages, other types of patterns, design principles and so on …In… … Read more 6 years ago in Books, Delphi, Design Patterns, programming 0

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Caching with class variables

gabr42 gabr42 Recently I was extending a swiss-army-knife helper record we are using at work and I noticed a small piece of suboptimal code. At first I let it be as I couldn’t think of a simple… … Read more 6 years ago in Delphi, generics, programming 0

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Using configuration records and operators to reduce number of overloaded methods

gabr42 gabr42 When writing libraries you sometimes want to provide users (that is, programmers) with a flexible API. If a specific part of your library can be used in different ways, you may want to provide multiple… … Read more 6 years ago in Best practices, compiler, Delphi, language, operators, programming 0

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On the Delphi *.dcp files

Serg Serg A *.dcp file is created when Delphi builds a package. It always bothered me that the default *.dcp file location does not take into account the build configuration. For example, the default location for Win32… … Read more 6 years ago in Delphi, programming, Uncategorized 0