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April 2018

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When updates on a SELECT timeout with FireDAC, MSSQL 2016 and a ~8k varbinary field in the table

The Wiert Corner – A change of FetchOptions.CursorKind from ckAutomatic to ckDynamic does the trick. did fix this issue: I stumbled about a problem regarding FireDAC and MSSQL 2016. The table has four fields, one being of type varbinary(max). When I omit this blob field from the SELECT, I can update any field without ...
Details Favorite? Off-Topic? jpluimers @ 2018-04-26 07:04
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On my research list for Delphi use – FlowFinity and DreamFactory

The Wiert Corner – For my research list: [WayBack] Has anyone any experience with DreamFactory, which installs a REST server on different platforms? https://www.dreamfactory.com – John Kouraklis – Google+ FlowFinity DreamFactory –jeroen
Details Favorite? Off-Topic? jpluimers @ 2018-04-25 13:04
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Reminder to self: check out “Debugging helper for TDataSet” and “debugger TDataSetVisualizer” for Delphi

The Wiert Corner – So I won’t forget to check these out: [WayBack] Debugging helper for TDataSet – twm’s blog by Thomas Müller [WayBack] TDataSetVisualizer: Delphi IDE Debug Visualizer to view a TDataSet descendant within a DBGrid. by Darian Miller Via  [WayBack] I like programming in Delphi, but I don’t ...
Details Favorite? Off-Topic? jpluimers @ 2018-04-24 13:04
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How to embed a superscript Registered symbol in a Rave memo buffer.

The Wiert Corner – Thomas Pfister came with a nice solution to this question: [WayBack] Does anyone know how to embed a superscript Registered symbol in a Rave memo buffer? – Phillip Woon – Google+ Since Google has such bad indexing of G+, here is the solution: procedure TForm4.RvSystem1Print(Sender: ...
Details Favorite? Off-Topic? jpluimers @ 2018-04-24 07:05
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Tip for the doc team: make TMonitor.Enter docs more clear on non-blocking re-entry from the same thread

The Wiert Corner – Even when the Delphi team was large, the documentation was lacking, so with the reduced Delphi team size, I don’t have high expectations of the below to get fixed. But since much of the post Delphi 7 run-time library looks a lot like the .NET core, you can usually fallback to the Microsoft ...
Details Favorite? Off-Topic? jpluimers @ 2018-04-19 13:04
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Reminder to Self: `TProc` is incompatible with parameterless procedures on interfaces

The Wiert Corner – I knew that methods on interfaces were not compatible with the procedure of object (like [WayBack] TProc)or function of object construct, but they are also not compatible with the reference to procedure or reference to function construct. Via: [WayBack] I try to call an Interface method from ...
Details Favorite? Off-Topic? jpluimers @ 2018-04-19 07:05
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… / source / Native / Delphi / Library / Data / DataSetEnumeratorUnit.pas — Bitbucket

The Wiert Corner – Reminder to self that I one day need to write more about this enumerator: [WayBack] jeroenp / BeSharp.net / source / Native / Delphi / Library / Data / DataSetEnumeratorUnit.pas — Bitbucket It’s not nearly as good as the one by Uwe Raabe, but I didn’t really update this code for about a ...
Details Favorite? Off-Topic? jpluimers @ 2018-04-18 07:04
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TTemporaryFileStream – via DELPHI AREA » How to have a temporary stream, with no size limit

The Wiert Corner – I needed a TTemporaryFileStream and found it at [WayBack] DELPHI AREA » How to have a temporary stream, with no size limit. It taught me that CreateFileA and CreateFileW (the ANSI and Unicode versions of[WayBack] CreateFile function (Windows)) accept a FILE_FLAG_DELETE_ON_CLOSE parameter, so as soon ...
Details Favorite? Off-Topic? jpluimers @ 2018-04-17 13:04
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Why you should try to avoid using Variant operations in Delphi

The Wiert Corner – [WayBack] Delphi “WAT?!” of the day: var v1, v2: Variant; begin v1 := True; v2 := True… shows some interesting code. The [WayBack] Variant Types (Delphi) – RAD Studio: Variant Type Conversions (and the decimal point/comma handling or rounding issues not documented there) ...
Details Favorite? Off-Topic? jpluimers @ 2018-04-17 07:04
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David Heffernan was on a bug reporting spree. Compiler unit tests could have detected these much faster.

The Wiert Corner – For my archive, most bugs around UInt64 handling, lots of them in the Windows x64 compiler, all by David Heffernan: [WayBack] Who can guess what value is returned by StrToFloat(‘߀’) if the PUREPASCAL version of StrToFloat is used ……. Make sure that you copy and paste ...
Details Favorite? Off-Topic? jpluimers @ 2018-04-12 19:04
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Delphi attributes cannot use `const x: array of string` as argument

The Wiert Corner – [WayBack] I want to annotate some of my enumerated types with human facing names. So I want to write: type[Names(‘Explicit time domain’, ‘Implicit time domain’,… – David Heffernan – Google+ This does not work: constructor Create(const Values: array of ...
Details Favorite? Off-Topic? jpluimers @ 2018-04-12 13:04
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Improve Android and iOS debug compilation speed – grijjy blog – Set the Debug information option to Limited Debug information

The Wiert Corner – If you develop mobile apps with Delphi, you know it: compiling for Android and iOS is sloooooooooooooow, especially for debug builds. This little tip makes compiling Debug builds much faster…… Set the Debug information option to Limited Debug information When I read a thing like that, I always think ...
Details Favorite? Off-Topic? jpluimers @ 2018-04-12 07:04
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Disable the Delphi clipboard history; originally by Attila Kovacs at https://plus.google.com/u/0/108426155215159556558/posts/6MBZuMYDTCD

The Wiert Corner – Delphi Clipboard History [WayBack] Castalia had a Clipboard History for Delphi since a long time and since the acquisition of it around Delphi XE8, that was [Archive.is] integrated into the IDE for everyone to use as the [WayBack] “Delphi Clipboard History” Some people object to the ...
Details Favorite? Off-Topic? jpluimers @ 2018-04-07 13:04
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Do not use non-ASCII characters as identifiers – not all your tools support them well enough

The Wiert Corner – For a very long time I’ve discouraged people from using non-ASCII characters in identifiers. In the past, transliterations messed things up. Even with increased support for Unicode, tools still screw non-ASCII characters up. Delphi is not alone in this (the most important one is the DFM view ...
Details Favorite? Off-Topic? jpluimers @ 2018-04-05 13:04
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Wizard to change Delphi Icon so it used the Projects’ Icon

The Wiert Corner – Thomas Mueller (dummzeuch) – Google+ wrote this: [WayBack] Just an inspiration from attila kovacs (too many guys with this name on G+ to…: A Delphi Wizard that adds a menu item so the Delphi Icon will change into the icon of the currently loaded project. Can be useful if you have many ...
Details Favorite? Off-Topic? jpluimers @ 2018-04-05 07:04
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