Algorithms, Data Structures and Class Design

196 topics in this forum

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

   • 1
   • 2

   By Mike Torrettinni, March 6
   • 41 replies
   • 2197 views
   • 
   • angusj
   • 12 hours ago

2. Good quality Random number generator implementation

   • 1
   • 2

   By Tommi Prami, April 28
   • 25 replies
   • 847 views
   • 
   • mikerabat
   • Yesterday at 11:57 AM

3. Conversion of image annotation formats into tfrecords for tensorflow object detection api

   By Maryam, May 1
   • 0 replies
   • 110 views
   • 
   • Maryam
   • May 1

4. Read-write protected, but read-only public property?

   By aehimself, April 29
   • 10 replies
   • 337 views
   • 
   • Fr0sT.Brutal
   • April 30

5. TFileStream fmShare modes

   By Mark Williams, April 21
   • 2 replies
   • 214 views
   • 
   • Mark Williams
   • April 22

6. Transforming Data (Pivot ?)

   By david_navigator, April 19
   • 11 replies
   • 289 views
   • 
   • Dany Marmur
   • April 20

7. RegEx performance

   By Mike Torrettinni, April 19
   • 9 replies
   • 395 views
   • 
   • mvanrijnen
   • April 20

8. Parallel Algorithm for resampling bitmaps - very infrequent fails

   By Renate Schaaf, April 11
   • 17 replies
   • 720 views
   • 
   • Renate Schaaf
   • April 16

9. Help with dynamic record memory leak

   By Gary, March 28   

   • memoryleak
   • records
   • 9 replies
   • 530 views
   • 
   • PatV
   • March 31

10. Spring4D GroupBy Second question

    By Epo, March 29   

    • spring4d
    • 2 replies
    • 413 views
    • 
    • Epo
    • March 29

11. Spring4D GroupBy First question

    By Epo, March 29   

    • spring4d
    • 4 replies
    • 406 views
    • 
    • Epo
    • March 29

12. Multiple string replace - avoid calling StringReplace multiple times

    • 1
    • 2
    • 3

    By Mike Torrettinni, March 20
    • 62 replies
    • 2230 views
    • 
    • Mike Torrettinni
    • March 22

13. Need help converting java instruction to delphi

    By Ranja AZ, March 18
    • 9 replies
    • 557 views
    • 
    • Ranja AZ
    • March 20

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

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

15. Micro optimization: use Pos before StringReplace

    • 1
    • 2
    • 3

    By Mike Torrettinni, January 31
    • 54 replies
    • 2180 views
    • 
    • Mike Torrettinni
    • March 17

16. Help to achieve multiple inheritance by class redesign

    By iiid354, March 8
    • 14 replies
    • 747 views
    • 
    • Fr0sT.Brutal
    • March 17

17. RADSTUDIO lamp Utllity

    By Hans-Wolfgang, March 11
    • 1 reply
    • 318 views
    • 
    • FPiette
    • March 11

18. XLS 2 XLSX

    By DrShepard, February 9
    • 13 replies
    • 721 views
    • 
    • PhilPlus
    • March 9

19. Good Key/Hash for SQL string

    By chkaufmann, March 8
    • 5 replies
    • 293 views
    • 
    • chkaufmann
    • March 8

20. TRtlCriticalSection with custom SpinCount

    By dummzeuch, March 7
    • 2 replies
    • 290 views
    • 
    • dummzeuch
    • March 8

21. Access Violation when optimization is on

    By dummzeuch, March 4
    • 5 replies
    • 342 views
    • 
    • dummzeuch
    • March 4

22. spinlock primitives

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

23. Why is this code not thread safe (Delphi 7)

    By Yaron, July 15, 2019
    • 24 replies
    • 2955 views
    • 
    • AlexBelo
    • March 4

24. TNothingable<T>

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

25. Micro optimization: Split strings

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