Story Category: Development

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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

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If you control both caller and callee: do not “override” functions by introducing a function with the same name

jpluimers jpluimers Every now and then I see people “overriding” a function by introducing a function with the same name. Often this raises a lot of confusion, because the override will only work if you have the… … Read more 4 years ago in Delphi, Development, Software Development 0

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Indy10, TIdSMTP, how to get protocol log?

jpluimers jpluimers Indy is great, but not well documented so: [WayBack] Indy10, TIdSMTP, how to get protocol log? I try to get log from SMTP communication, like this (copy from wiki): {code} S: 220 smtp.example.com ESMTP P…… … Read more 4 years ago in Communications Development, Delphi, Development, Indy, Internet protocol suite, SMTP, Software Development 0

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Spinettaro’s Blog: Delphi Flux application architecture

jpluimers jpluimers On my list of things to try: [WayBack] Spinettaro’s Blog: Delphi Flux application architecture. It is about a Delphi implementation of the Facebook Flux application architecture. Related: [WayBack] GitHub – spinettaro/delphi-flux-seed: Contribute to spinettaro/delphi-flux-seed development by… … Read more 4 years ago in Delphi, Development, JavaScript/ECMAScript, Scripting, Software Development, Systems Architecture, typescript 0

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System.SyncObjs.TLightweightSemaphore.Create: the AInitialCount parameter

jpluimers jpluimers Multi-threading is hard, knowing your primitives is important, but Embarcadero documentation is always far from complete, leading to [WayBack] System.SyncObjs.TLightweightSemaphore.Create: Please simply explain to me the parameters of this constructor, especially first, AInitialCount… – Jacek… … Read more 4 years ago in Delphi, Development, Multi-Threading / Concurrency, Software Development 0