delphi – Can I use an Edit Mask to format output? (not just validate input) –...
From a while ago, and – being on the back-end side mostly – I sometimes forget: [WayBack] delphi – Can I use an Edit Mask to format output? (not just validate input) – Stack Overflow You can use the...
View ArticleOptional sort by name in `LogMemoryManagerStateToFile` · Issue #64 ·...
If not done yet, try to improve this: [WayBack] Optional sort by name in LogMemoryManagerStateToFile · Issue #64 · pleriche/FastMM4 · GitHub –jeroen
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Spring4D Mock – Delphi Unit Testing : Writing a simple spy for the CUT –...
Reminder to self: write a longer article on Delphi mocking as Spring4D mocking is much better than Delphi Mocks, especially because of code-completion reasons. Spring4D has a Mock record that can...
View ArticleFastMM PushAllocationGroup
Few people seem to know about the FastMM PushAllocationGroup method. This search returned almost nothing: fastmm PushAllocationGroup -site:github.com -site:sourceforge.net -site:stackoverflow.com –...
View ArticleLearned about the {$EXTENSION zzz} or {$E zzz} Delphi directive: {$EXTENSION...
I totally missed that this has been added in Delphi a long time ago (at least in Delphi 2007 or maybe even before): the {$EXTENSION zzz} or {$E zzz} Delphi directive that sets the file extension of the...
View ArticleSince Delphi still does not include a TDateTimeHelper: use the one by colini...
These are quite OK: [WayBack] GitHub – colinj/TDateTimeHelper: Helper record for TDateTime type in [WayBack] DateTimeHelper.pas with DUnitX tests in [WayBack] TDateTimeHelper.Tests.pas. Via: [WayBack]...
View ArticlePointers are dangerous – twm’s blog
TL;DR Do not keep pointers to objects in memory that can be relocated. SetLength can relocate the memory [WayBack] Pointers are dangerous – twm’s blog Via: [WayBack] Pointers can be really helpful,...
View ArticleRegister and use a custom clipboard format in Delphi – twm’s blog
Cool post: [WayBack] Register and use a custom clipboard format in Delphi – twm’s blog. It is about transmitting GPS (WGS 84) coordinates from one program to another via the clipboard. One day I will...
View ArticleBe careful changing the DataContext of a TRemotable
Still not sure why the RTL code is like this: procedure TRemotable.SetDataContext(Value: TDataContext); begin if (RemotableDataContext <> nil) and (RemotableDataContext = Self.DataContext) then...
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Tracking down Delphi “abstract error” occassions.
A few tips. Set breakpoints in these units: System.pas: procedure _AbstractError; begin if Assigned(AbstractErrorProc) then AbstractErrorProc; RunErrorAt(210, ReturnAddress); end; System.SysUtils.pas:...
View Articledelphi – What are the list of all possible values for DVCLAL? – Stack Overflow
From a while ago, from notes even longer ago – around 1994 on DVCLAL the Delphi VCL Access License code which is actually a checking logic for determining the SKU (stock keeping unit) or Delphi...
View ArticleDelphi: `procedure RaiseAbstractError(const aClass: TClass; const...
Needs the System.SysConst unit: procedure RaiseAbstractError(const aClass: TClass; const aMethodName: string); begin // more explanatory than AbstractErrorProc(); raise...
View ArticleThe Delphi Geek: Using Generics to Manipulate Enumerated Types
Not that this is bad code, but there are no unit tests for them, and I have seen places in the wild that blindly use it without documenting where it came from and what tested alternatives might be:...
View ArticleDo not make methods protected unless you want them to be visible as public
One of the protection levels in Delphi is protected. Originally meant for the class itself, that level is also visible to “friends”: anything in the same unit, for example: unit BusinessLogicUnit;...
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A bunch of Spring4D dependency injection container related questions
Since G+ is down, a lot of interesting questions have vanished. Luckily I saved some by [WayBack] Jacek Laskowski – Google+ related to Spring4D and dependency injection: [WayBack] Spring4D IoC and...
View ArticleDelphi: why breakpoints from time to time are not usable (green highlighted...
I still have not figured out the circumstances, but ever since either the Unicode Delphi versions (2009 and up) or BDS (8 and up), I have this every now and then: [WayBack] Delphi: why breakpoints from...
View ArticleDelphi revelations #3 – kbmMW Smart client – DispInvoke leak –...
For my archive, as one day I will run into this Variant/DispInvoke issue myself:[WayBack] Delphi revelations #3 – kbmMW Smart client – DispInvoke leak – Components4Developers: Delphi revelations, now...
View ArticleDelphi Compiler Intrinsics can help you collapse generated code for generics...
On my reading list [WayBack] Delphi Corner Weblog: The current state of generics in Delphi because it explains in more detail why Delphi compiler generic type based intrinsics introduced some 5 years...
View ArticleDelphi spring collections
[WayBack] Spring Collections I have a list of elements, there are, for example, 100 of them. List : IList; I want to get 5 values greater than 10 and … – Jacek Laskowski – Google+ Q I have a list of...
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I’m using Delphi XE 10.2: empty documentation tab means you need to update to...
If you see the Documentation tab like below you need to either: install the[WayBack] 10.2.2 Welcome Page and Documentation Hotfix – Community Blogs – Embarcadero Community update to 10.2.3 manually fix...
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