Story Category: Software Development
VOTEThe Delphi interface reference counting compiler bug that will never get fixed as it is marked “as designed”
jpluimers
A long time ago, I write a question [WayBack] delphi – Should the compiler hint/warn when passing object instances directly as const interface parameters? – Stack Overflow in 2010. It was marked by (now former) compiler… … Read more
4 years ago in Delphi, Development, Software Development
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How do I pretty-print JSON in Delphi? – Stack Overflow
jpluimers
For my archive: the [WayBack] How do I pretty-print JSON in Delphi? – Stack Overflow answer by [WayBack] Bob: If you do not want to use any external library, and you’re using a Delphi XE5 or… … Read more
4 years ago in Delphi, Development, JavaScript/ECMAScript, JSON, Scripting, Software Development
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delphi – Faster DirectoryExists function? – Stack Overflow
jpluimers
From a while back: [WayBack] delphi – Faster DirectoryExists function? – Stack Overflow: Q I use DirectoryExists (const PathName : String); to check if a directory is reachable from a computer or not. But if… … Read more
4 years ago in Delphi, Development, Software Development
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jeroenp / wiert.me / Native / Delphi / Apps / Console / DfmTools — Bitbucket
jpluimers
Reminder to self: write some more about the IsBinaryDfmFile and ConvertDfmToText tools in [WayBack] jeroenp / wiert.me / Native / Delphi / Apps / Console / DfmTools — Bitbucket –jeroen … Read more
4 years ago in Delphi, Development, Software Development
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Delphi: fixing “W1030 invalid compiler directive true”
jpluimers
I had a “W1030 invalid compiler directive true” in a project that got ported from Delphi XE3 to a much more modern Delphi version. Luckily I found [WayBack] Porting to XE5 and the “W1030 Invalid compiler directive: ‘true’”… … Read more
4 years ago in Delphi, Development, Software Development
0
Delphi: getting the name of the current unit
jpluimers
If you have a class (like TMyClass) in the current unit, you can get the unit name as follows: inside a method of the class (either instance or class method): call UnitName or UnitScope to get the… … Read more
4 years ago in Delphi, Development, Software Development
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Few remember the ancestry of programming languages
jpluimers
A while ago, I saw this tweet: Assembly has been out for 70 years. Fortran has been out for 62 years. COBOL and Lisp has been out for 60 years. BASIC has been out for… … Read more
4 years ago in ALGOL, Delphi, Development, LISP, Software Development
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On my research list: Delphi “Package Cache” subtree
jpluimers
On one of the sites, when having some Delphi package registration issues, the standard measure was to delete the complete Package Cache subtree (like HKEY_CURRENT_USER\Software\Embarcadero\BDS\17.0\Package Cache). Since there is so little information about it, it is… … Read more
4 years ago in Delphi, Development, Software Development, Undocumented Delphi
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Delphi debugging tip: keep an eye on a object field of an object that will go out of scope eventually
jpluimers
Every once in a while you want to have a Delphi Watch of a field inside an object (say an object of type TContext), except that the field has no value yet, but eventually will point… … Read more
4 years ago in Delphi, Development, Software Development
0
If you use an implementation of TNonRefCountInterfacedObject, then document in the descendants how lifetime management is arranged for
jpluimers
There are a few TNonRefCountInterfacedObject (or maybe better named TNonReferenceCountedInterfacedObject) implementations around (see list of links below). They can be used to expose interfaces, but do not provide interface reference counting. This means you have… … Read more
4 years ago in Conference Topics, Conferences, Delphi, Development, Event, Software Development
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grep for Delphi .dproj file containing copy commands for certain DLLs
jpluimers
I always forget the syntax, so this quick grep helps me finding the lines in Delphi .dproj files that have the right copy statements for getting certain DLLs in the output directory. Those are very… … Read more
4 years ago in Delphi, Development, Software Development
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The Indy unit `IdObjs` got removed after Delphi 2007
jpluimers
I came across some very old code that used the IdObjs unit as it was depending on the TIdStringStream type. Digging around, I found the unit has been removed from Indy after the Delphi 2007 era. If… … Read more
4 years ago in Delphi, Development, Software Development
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GitHub – pierrejean-coudert/delphi-libraries-list: List of Delphi Libraries and Frameworks
jpluimers
For my link archive: [WayBack] GitHub – pierrejean-coudert/delphi-libraries-list: List of Delphi Libraries and Frameworks –jeroen … Read more
4 years ago in Conference Topics, Conferences, Delphi, Development, Event, Software Development
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Delphi TVirtualMethodInterceptor like magic: some links of useful stuff made with it
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
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Debugging a Delphi – Format and Pointers/Hex Values (Memory Overwrite) – Stack Overflow
jpluimers
A long time ago (Delphi XE2 era), David Dubois and I helped out Doug find either the cause or a workaround of a memory overwrite in a 32-bit application. The problem was that a call… … Read more
4 years ago in Delphi, Development, Software Development
0