Story Category: Development

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In Delphi, avoid having a TComponent descendant implement interfaces, unless you are prepared to handle your refcounting

jpluimers jpluimers Every now and then I see code, where a class descending from TComponent implements some interfaces, only interface references are used to the instances, and the expected behaviour is that the instances will free themselves when… … Read more 4 years ago in Conference Topics, Conferences, Delphi, Development, Event, Software Development 0

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Delphi TRegExOption: Where is description of roNotEmpty option? What does this option do? – Jacek Laskowski – Google+

jpluimers jpluimers I really dislike using regular expressions, mainly because every time I bump into code using them either: I cannot decipher them any more It is used for things not suites for (like parsing JSON or… … Read more 4 years ago in Delphi, Development, RegEx, Software Development 0

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How To Write Unmaintainable Code: Ensure a job for life ;-) by Roedy Green Canadian Mind Products

jpluimers jpluimers A great reference on how not to code still is How To Write Unmaintainable Code Ensure a job for life 😉 Roedy Green Canadian Mind Products I am still amazed when browsing through code, how many… … Read more 4 years ago in .NET, Delphi, Development, Software Development 0

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delphi “tproc” with “array of const” – Google Search

jpluimers jpluimers Reminder to self: remember which of the open source libraries have: a generic TProc<T> alike with an const values: array of const T parameter a generic TProc<T> alike with a const value: T parameter Google returned none that stuck:… … Read more 4 years ago in Delphi, Development, Software Development 0

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.NET: interfaces that inherit from multiple base interfaces

jpluimers jpluimers For my link archive: [WayBack] .net – interface inheriting multiple interfaces: how is this handled by a C# compiler? – Stack Overflow. [WayBack] New Delphi language feature: Multiple inheritance for interfaces in Delphi for .NET…. … Read more 4 years ago in .NET, C++, Delphi, Development, Software Development 0

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I’m using Delphi XE 10.2: empty documentation tab means you need to update to either the documentation Hotfix or 10.2.3

jpluimers jpluimers If you see the Documentation tab like below you need to either: install the[WayBack] 10.2.2 Welcome Page and Documentation Hotfix – Community Blogs – Embarcadero Community update to 10.2.3 manually fix the html/CSS width fiddling… … Read more 4 years ago in Delphi, Delphi 10.2 Tokyo (Godzilla), Development, Software Development 0

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Delphi Compiler Intrinsics can help you collapse generated code for generics a lot

jpluimers jpluimers On my reading list [WayBack] Delphi Corner Weblog: The current state of generics in Delphi because it explains in more detail why Delphi compiler generic type based intrinsics introduced some 5 years ago, but never been… … Read more 4 years ago in Delphi, Development, Software Development 0

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Delphi revelations #3 – kbmMW Smart client – DispInvoke leak – Components4Developers

jpluimers jpluimers For my archive, as one day I will run into this Variant/DispInvoke issue myself:[WayBack] Delphi revelations #3 – kbmMW Smart client – DispInvoke leak – Components4Developers: Delphi revelations, now about investigating a pesky DispInvoke bug… … Read more 4 years ago in Delphi, Development, Software Development 0

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Delphi: why breakpoints from time to time are not usable (green highlighted line on IDE)? – Stack Overflow

jpluimers jpluimers I still have not figured out the circumstances, but ever since either the Unicode Delphi versions (2009 and up) or BDS (8 and up), I have this every now and then: [WayBack] Delphi: why breakpoints… … Read more 4 years ago in Delphi, Development, Software Development 0

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Firebase Emulator

bradintheusa bradintheusa The Firebase emulator has made writing firebase functions, and firebase in general, fun again.  It’s a lot more productive and the edit/build/test cycle is seconds. … Read more 4 years ago in Development, flutter 0

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A bunch of Spring4D dependency injection container related questions

jpluimers jpluimers Since G+ is down, a lot of interesting questions have vanished. Luckily I saved some by [WayBack] Jacek Laskowski – Google+ related to Spring4D and dependency injection: [WayBack] Spring4D IoC and specific singleton… – Jacek Laskowski –… … Read more 4 years ago in Conference Topics, Conferences, Delphi, Development, Event, Software Development 0

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Do not make methods protected unless you want them to be visible as public

jpluimers jpluimers One of the protection levels in Delphi is protected. Originally meant for the class itself, that level is also visible to “friends”: anything in the same unit, for example: unit BusinessLogicUnit; interface type TBusinessLogic =… … Read more 4 years ago in Conference Topics, Conferences, Delphi, Development, Event, Software Development 0