Story Category: Software Development
VOTEA 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… … Read more
4 years ago in Conference Topics, Conferences, Delphi, Development, DUnit, Event, Software Development, Unit Testing
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Delphi use of FS segment: structured exception handling
jpluimers
A while ago, I had to trace through a lot of code in the CPU pane to track down some memory allocation related issues. I wondered what the use of the FS segment was about,… … Read more
4 years ago in Delphi, Development, Software Development, Undocumented Delphi, Windows Development
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GExperts grep search: skipping searching certain files, irrespective of their directory
jpluimers
Especially when including [WayBack] form files (dfm now, but in the past also nfm and xfm) in your search, you might want to exclude one or more of them, for instance when they do not… … Read more
4 years ago in Delphi, Development, GExperts, Software Development
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Debouncing and Throttling Explained Through Examples | CSS-Tricks
jpluimers
TL;DR of https://css-tricks.com/debouncing-throttling-explained-examples/: debounce: Grouping a sudden burst of events (like keystrokes) into a single one. throttle: Guaranteeing a constant flow of executions every X milliseconds. Like checking every 200ms your scroll position to trigger a CSS animation…. … Read more
4 years ago in algorithms, Delphi, Development, JavaScript/ECMAScript, Scripting, Software Development
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MESSAGE directive Delphi
jpluimers
I totally forgot to queue this, after putting in a draft in 2010. Luckily, nothing has changed since then: the [WayBack] MESSAGE directive Delphi which allows you to emit hint, warning, error (multiple) and fatal… … Read more
4 years ago in Delphi, Development, Software Development
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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…. … Read more
4 years ago in Conference Topics, Conferences, Delphi, Development, Event, Software Development, Undocumented Delphi
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Delphi: combining intrinsic functions and inline to have no-code checks on concrete generic instantiation
jpluimers
The title might sound like a lot of gibberish, but the mechanism it describes helps solving a problem when using generics: lack of generic constraints in the compiler. For instance, you cannot constrain on enumeration… … Read more
4 years ago in Delphi, Development, Software Development
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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… … Read more
4 years ago in Conference Topics, Conferences, Delphi, Development, Event, FastMM, Software Development, Undocumented Delphi
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JSON or binary stream? Delphi 2010: How to save a whole record to a file? – Stack Overflow
jpluimers
A while back I proposed using JSON in order to [WayBack] Delphi 2010: How to save a whole record to a file? – Stack Overflow. There is also a native solution using streaming (which by… … Read more
4 years ago in Delphi, Development, Software Development
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Delphi XE7 introduced const support for dynamic arrays; prior versions used [] only for sets.
jpluimers
A few things to learn from [WayBack] delphi – Constant array of cardinal produces error ‘Constant expression violates subrange bounds” – Stack Overflow: Delphi XE7 introduced compiler support for const dynamic arrays. Compiler errors can completely… … Read more
4 years ago in Delphi, Development, History, Software Development, Undocumented Delphi
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Fun with Delphi RTTI – Dump a TRttiType | The Road to Delphi
jpluimers
For my link archive a non-recursive DumpTypeDefinition method: Here ‘s a sample code of how you can dump the declaration of a TRttiType using the Rtti. Supports classes, records and interfaces. Delphi Use in this… … Read more
4 years ago in Delphi, Development, Software Development
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Delphi compile time assertions
jpluimers
My post on Delphi intrinsic functions that evaluate to consts as a step up to Delphi compile time assertions. This is a corner case of Delphi language use, which can come in very handy when… … Read more
4 years ago in .NET, C++, Delphi, Development, Software Development
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Automatically closing ABBY Finereader 5.0 windows after scanning is completed
jpluimers
Both my Fujitsu ScanSnap ix500 and ix100 scanners can be used from Windows to automatically scan to PDF. PDF conversion is done through the included ABBYY FineReader 5.0 software. However, on each scan, it keeps… … Read more
4 years ago in Delphi, Development, Fujitsu ScanSnap, Hardware, ix100, ix500, Power User, Scanners, Software Development, Windows Development
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Delphi intrinsic functions that evaluate to consts
jpluimers
A long time ago, I wondered Are these really Windows compiler unsupported Delphi Intrinsic Routines about [WayBack/Archive.is] Delphi Intrinsic Routines – RAD Studio. Today, I limited the documented intrinsic list to the constant intrinsic functions: const… … Read more
4 years ago in Delphi, Development, 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… … Read more
4 years ago in Conference Topics, Conferences, Delphi, Development, Event, Software Development
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