Story Category: Development

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Delphi TVirtualMethodInterceptor like magic: some links of useful stuff made with it

jpluimers jpluimers I think TVirtualMethodInterceptor is a really nice things added to Delphi XE: it allows you to overwrite virtual methods of a class. Since the documentation from that era cannot be saved in the WayBack machine, here… … Read more 4 years ago in Delphi, Development, Software Development 0

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Want to use SmartPointers in Delphi? Use the Spring4D one: it is unit tested and optimised

jpluimers jpluimers A while ago, there was a nice discussion on smart pointers at [WayBack] Smart Pointers – Generics vrs non-generic implementastion – RTL and Delphi Object Pascal – Delphi-PRAXiS [en]. Conclusion from that: many people think that… … Read more 4 years ago in Conference Topics, Conferences, Delphi, Development, Event, Software Development, Spring4D 0

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A garbage collector for C and C++ (and a wrapper for Delphi): The Boehm-Demers-Weiser conservative C/C++ Garbage Collector

jpluimers jpluimers I bumped into [WayBack] A garbage collector for C and C++ a while ago, for which the source is at [WayBack] GitHub – ivmai/bdwgc: The Boehm-Demers-Weiser conservative C/C++ Garbage Collector (libgc, bdwgc, boehm-gc). There is a (very old!)… … Read more 4 years ago in C++, Delphi, Development, Software Development 0

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Delphi processing all Windows messages

jpluimers jpluimers Since I had captures messages inside the main message loop, I forgot it is straightforward: create a [WayBack] TApplicationEvents instance, then use the [WayBack] OnMessage event and hook it to a method like procedure TMainForm.ApplicationEventsMessage(var Msg: TMsg; var… … Read more 4 years ago in Conference Topics, Conferences, Delphi, Development, Event, Software Development 0

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Why does my Android application, compiled with development tool XXX version YYY, no longer work?

jpluimers jpluimers Still relevant, not limited to Delphi, though other environments often have a better warning system in place: [WayBack] Why does my Android application, compiled with Delphi Rio, no longer work?. TL;DR: over time, Android and… … Read more 4 years ago in android, Delphi, Development, Mobile Development, Software Development 0

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Small Delphi tricks: initialise out parameters in the caller when they are stored in local variables; a Run for TProc

jpluimers jpluimers Two small Delphi tricks: On out parameters When you have out parameters, and the caller passes local variables for them, remember that: the compiler then will not issue an “unitialised variable” warning any more because it… … Read more 4 years ago in Delphi, Development, Software Development 0

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Is this code safe? function Some(const Str : AnsiString); var arr : TBytes …

jpluimers jpluimers [WayBack] Is this code safe? function Some(const Str : AnsiString); var arr : TBytes absolute Str; begin fSomeMethodWithTBytesParam(arr); <- arr is properly c… – Jacek Laskowski – Google+ Such a seemingly simple question: Is this… … Read more 4 years ago in Delphi, Development, Software Development 0

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PlasticSCM memories

jpluimers jpluimers Spending most of your career as an independent contractor, you bump into a lot of toolchains. Part of those toolchains usually involved (and by now surely should involve) version control for both development and infrastructure… … Read more 4 years ago in Delphi, Development, PlasticSCM, Software Development, Source Code Management, Versioning 0

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How to debug Delphi JSON export stack-overflows: watch the fields and their circular references

jpluimers jpluimers Unlike Delphi RTL XML support which is property based, the JSON support is field based. By default, JSON uses all fields (no matter their protection level, so anything from strict private to published  is taken into… … Read more 4 years ago in Conference Topics, Conferences, Delphi, Development, Event, Software Development 0