Story Category: Conference Topics
VOTEDelphi: .dproj TargetedPlatforms bit flags in main PropertyGroup, and Platform values in other elements/attributes
jpluimers
For cleanup of .dproj files, I want to know the bit flags that TargetPlatforms can have. TL;DR: .dproj content management in Delphi is a mess For future reference empiric values for the flags that build… … Read more
3 years ago in Conference Topics, Conferences, Delphi, Development, Event, Software Development
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Delphi: some notes on HModule while tracking down an access violation in TRegGroups.UnregisterModuleClasses
jpluimers
Too bad the whole mechanism involving TRegGroups.UnregisterModuleClasses is not documented anywhere It is the underlying storage to support TClassFinder, which was introduced in Delphi 6, documented on-line in Delphi 2007, documented slightly in Delphi 2009,… … Read more
3 years ago in Conference Topics, Conferences, Delphi, Development, Event, History, Software Development
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Delphi: Passing build variables to batch files; I think the easiest is to use environment variables
jpluimers
A long time ago, I wrote about Delphi prebuild/prelink/postbuild events. In practice, especially that you cannot inherit build events, then add new ones (), it is convenient to put all you need in a script,… … Read more
4 years ago in Conference Topics, Conferences, Delphi, Development, Event, Software Development
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Delphi: creating copies of installed components to repositories for portability across use cases
jpluimers
Often it is useful to have 3rd party components part of a repository so it is easier to increase portability. For instance when you want to include or exclude some of them in certain projects… … Read more
4 years ago in Conference Topics, Conferences, Delphi, Delphi 10.2 Tokyo (Godzilla), Development, Event, Software Development
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I wanted to know the loaded DLLs in a process like Process Explorer shows, but from the console: Sysinternals ListDLLs to the rescue
jpluimers
In Windows, historically most people approach investigation GUI first. Having turned 50 a while ago, I am no exception. My real roots however are on the command-line and scripting: roughly 1980s Apple DOS, CP/M, SunOS… … Read more
4 years ago in Conference Topics, Conferences, Delphi, Development, Event, History, Software Development, Windows Development
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Much Turbo Pascal history (via What is a Delphi DCU file? – Stack Overflow)
jpluimers
Editing [WayBack] What is a Delphi DCU file? – Stack Overflow for more historic correctness and adding links prompted me to archive some older material and search for some more, basically because while historically very… … Read more
4 years ago in Conference Topics, Conferences, CP/M, Delphi, Development, Event, History, MS-DOS, pascal, Power User, Software Development, Turbo Pascal, UCSD Pascal, Z80
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FastMM4: turn warnings W1047 and W1048 off
jpluimers
Delphi 7 introduced introduced warnings for unsafe constructs like W1047 and W1048 so you could prepare your code for the first Delphi .NET compilers . The oldest online documentation on this is in Delphi 2007: [WayBack]… … Read more
4 years ago in Conference Topics, Conferences, Delphi, Development, Event, Software Development
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file – String format procedure similar to writeln – Stack Overflow
jpluimers
Cool Format feature from [WayBack] file – String format procedure similar to writeln – Stack Overflow: The cool thing about using Format is that you use for Format Strings not only to parameterize things like width and precision inside that Format String, but also… … Read more
4 years ago in Conference Topics, Conferences, Delphi, Development, Event, Software Development
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Delphi: types you cannot deprecate
jpluimers
Deprecating all types in a unit besides deprecating the unit itself will cause a hint and warning storm. Especially in projects having a lot of hints and warnings (taking over maintenance of a legacy project… … Read more
4 years ago in Conference Topics, Conferences, Delphi, Development, Event, Software Development
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Delphi TestInsight: running both DUnitX and DUnit tests in a test project
jpluimers
If you want to run both DUnitX and DUnit tests in a test project using TestInsight as runner encapsulation, then you need to be aware that when there are no DUnitX tests, it will raise… … Read more
4 years ago in Conference Topics, Conferences, Delphi, Development, Event, Software Development
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Delphi: got “EOleException with message ‘Microsoft MSXML is not installed’” in a console or test project?
jpluimers
Did you ever get this run-time error in a console or test project? EOleException with message ‘Microsoft MSXML is not installed’ It means that CoInitialize or CoInitializeEx needs to be called in the thread that… … Read more
4 years ago in Conference Topics, Conferences, Delphi, Development, Event, Software Development, Undocumented Delphi
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Delphi: Any idea why Delphi (At least since Seattle) does this to Dproj files: nodes change places – Tommi Prami – Google+
jpluimers
From a while back, but still so very relevant: [WayBack] Any idea why Delphi (At least since Seattle) does this to Dproj files: <DeployClass …> nodes change places – Tommi Prami – Google+. Luckily most of… … Read more
4 years ago in Conference Topics, Conferences, Delphi, Development, Event, Software Development
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When your Delphi IDE suddenly skips unsaved changes during compilation(TL;DR: watch early signs your IDE is hosed, then restart without saving)
jpluimers
A while ago, I observed that when compiling, my Delphi IDE would not take into account unsaved changes any more. This ws in a time when I was tracking down some hard to reproduce problems… … Read more
4 years ago in Conference Topics, Conferences, Delphi, Development, Event, Software Development, Undocumented Delphi
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Delphi object instance lifetime demo; do not use AfterConstruction as a poor-mans way to work around non-virtual constructor or undetermined Create hierarchy calls
jpluimers
I think using AfterConstruction is a poor man’s solution that you should only use in exceptional cases, as it is: called only after the last constructor in the chain is called. called outside of the… … Read more
4 years ago in Conference Topics, Conferences, Delphi, Development, Event, Software Development, Undocumented Delphi
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delphi – Invalid floating point operation calling Trunc() – Stack Overflow
jpluimers
I bumped into [WayBack] delphi – Invalid floating point operation calling Trunc() – Stack Overflow, while searching for what might have tests like these fail: TValueRecordTests.Int64_Through_Value_Container_via_Currency_Intermediate_Is_Identity_Operation(9223372036854775807) = 9223372036854775807 EInvalidOp with message ‘Invalid floating point operation’… … Read more
4 years ago in Conference Topics, Conferences, Delphi, Development, Event, Software Development
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