Algorithms, Data Structures and Class Design

432 topics in this forum

1. Good Key/Hash for SQL string

   By chkaufmann, March 8, 2021
   • 5 replies
   • 1686 views
   • 
   • chkaufmann
   • March 8, 2021

2. TRtlCriticalSection with custom SpinCount

   By dummzeuch, March 7, 2021
   • 2 replies
   • 2374 views
   • 
   • dummzeuch
   • March 8, 2021

3. Fast lookup tables - TArray.BinarySearch vs Dictionary vs binary search

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   By Mike Torrettinni, March 6, 2021
   • 50 replies
   • 15032 views
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   • PolywickStudio
   • March 19, 2023

4. Access Violation when optimization is on

   By dummzeuch, March 4, 2021
   • 5 replies
   • 1895 views
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   • dummzeuch
   • March 4, 2021

5. Why is TArray.BinarySearch slower than normal binary search function?

   By Mike Torrettinni, February 28, 2021
   • 11 replies
   • 4341 views
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   • Stefan Glienke
   • March 18, 2021

6. TNothingable<T>

   By Attila Kovacs, February 26, 2021
   • 16 replies
   • 2953 views
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   • Rollo62
   • February 27, 2021

7. spinlock primitives

   By dummzeuch, February 23, 2021
   • 21 replies
   • 4340 views
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   • c0d3r
   • March 4, 2021

8. Micro optimization: Split strings

   By Mike Torrettinni, February 21, 2021
   • 21 replies
   • 7508 views
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   • Stefan Glienke
   • February 26, 2021

9. Generic set comparer

   By Attila Kovacs, February 18, 2021
   • 10 replies
   • 2941 views
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   • DiGi
   • February 19, 2021

10. AES and different result length

    By Jacek Laskowski, February 15, 2021
    • 3 replies
    • 1712 views
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    • Jacek Laskowski
    • February 15, 2021

11. XLS 2 XLSX

    By DrShepard, February 9, 2021
    • 13 replies
    • 4009 views
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    • PhilPlus
    • March 9, 2021

12. How to determine the subjective brightness of my screen?

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    By Der schöne Günther, February 6, 2021
    • 30 replies
    • 6588 views
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    • Guest
    • February 11, 2021

13. Micro optimization: String starts with substring

    By Mike Torrettinni, February 5, 2021
    • 20 replies
    • 5927 views
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    • Mike Torrettinni
    • February 16, 2021

14. Fast stable sorting routines

    By Tom de Neef, February 4, 2021
    • 3 replies
    • 1841 views
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    • Mike Torrettinni
    • February 4, 2021

15. RawStackTraces in FastMM4 (4.992)

    By Clément, February 3, 2021
    • 6 replies
    • 2121 views
    • 
    • Clément
    • February 9, 2021

16. I got bitten by an interface!

    By Clément, February 2, 2021   

    • delphi
    • interface
    • (and 2 more)

      Tagged with:

      • delphi
      • interface
      • class
      • destroy
    • 15 replies
    • 3876 views
    • 
    • Remy Lebeau
    • February 3, 2021

17. Micro optimization: use Pos before StringReplace

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    By Mike Torrettinni, January 31, 2021
    • 54 replies
    • 10484 views
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    • Mike Torrettinni
    • March 17, 2021

18. Hashing Street Addresses ?

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    By david_navigator, January 29, 2021
    • 28 replies
    • 6999 views
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    • Marat1961
    • February 14, 2021

19. A class that returns different types of components

    By Stano, January 23, 2021
    • 21 replies
    • 3376 views
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    • Fr0sT.Brutal
    • January 25, 2021

20. atomic setting of a double variable

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    By dummzeuch, January 20, 2021
    • 37 replies
    • 7557 views
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    • Lars Fosdal
    • February 16, 2021

21. 32bit RGBA TBitmap to RGB byte stream.

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    By Tommi Prami, January 11, 2021
    • 50 replies
    • 10668 views
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    • Tommi Prami
    • February 26, 2021

22. Compute nearest color

    By FPiette, January 7, 2021
    • 19 replies
    • 4041 views
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    • angusj
    • April 9

23. TimSort for Delphi without Generics

    By dummzeuch, January 7, 2021
    • 20 replies
    • 5086 views
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    • Stano
    • February 4, 2021

24. Performance of MOVE vs + for concatenating mixed type values

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    By Mike Torrettinni, January 5, 2021
    • 28 replies
    • 5450 views
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    • Lars Fosdal
    • January 6, 2021

25. Security - How freaky can you get!

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    By Clément, January 4, 2021
    • 56 replies
    • 13038 views
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    • Marat1961
    • January 15, 2021