Story Category: Event
VOTE#Delphi26th: Fun Social Film Festival App Is Developed In Delphi
Celebrating Delphi's 26th Anniversary
The Social Film Festival app serves to organize the culture of free theaters and it is developed in Delphi. According to the developer, the functionality “allows you to select the… The post #Delphi26th: Fun Social… – Details…
17 hours ago in android, cross-platform, Delphi, delphi26, Event, festival, film, film festival, ios, object pascal, programming, Showcase, social
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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]… – Details…
3 days 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… – Details…
4 days 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… – Details…
1 week 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… – Details…
1 month 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… – Details…
1 month 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… – Details…
2 months 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… – Details…
2 months 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… – Details…
2 months 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’… – Details…
2 months ago in Conference Topics, Conferences, Delphi, Development, Event, Software Development
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A DUnit Folder Iterator Extension – The Art of Delphi Programming
jpluimers
Reminder to self: experiment with [WayBack] A DUnit Folder Iterator Extension – The Art of Delphi Programming. This could be extended to virtual folders, allowing many integration tests to be run depending on some configuration… – Details…
2 months ago in Conference Topics, Conferences, Delphi, Development, DUnit, Event, Software Development, Unit Testing
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Short Delphi tip: ensuring RTTI for classes is included
jpluimers
When using RTTI in Delphi, you really want the RTTI to be available. The compiler includes RTTI for classes, as soon as it found that a class is touched by code that will be executed…. – Details…
2 months ago in Conference Topics, Conferences, Delphi, Development, Event, Software Development, Undocumented Delphi
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Delphi: quickly failing in use-after free scenarios
jpluimers
Two tricks that can help in use-after-free scenarios. Call ScanMemoryPoolForCorruptions often One of the scenarios of use after free, is that memory blocks get corrupted. FastMM4 normall checks this at process end using the CheckBlocksOnShutdown… – Details…
2 months ago in Conference Topics, Conferences, Delphi, Development, Event, FastMM, Software Development, Undocumented Delphi
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Delphi: not all lists need to be generic
jpluimers
Lots of Delphi programmers made, or are making the move, of classic Delphi based containers like TObjectList into generic containers like TList<T>. A while ago, I got into a project that needed to extend lifetime… – Details…
3 months ago in Conference Topics, Conferences, Delphi, Development, Event, Software Development
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DUnit testing code that should raise a specific exception
jpluimers
A while back, I was writing some code to demonstrate a few inner workings of TInterfacedObject, interface reference counting and mixing object references with interface references. One way to show this is through a test… – Details…
3 months ago in agile, Conference Topics, Conferences, Delphi, Development, Event, Software Development, Unit Testing
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