Algorithms, Data Structures and Class Design

264 topics in this forum

1. atomic setting of a double variable

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   By dummzeuch, January 20, 2021
   • 37 replies
   • 2594 views
   • 
   • Lars Fosdal
   • February 16, 2021

2. Delphi implementation of Aberth–Ehrlich method and precision problem

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   By at3s, August 19, 2020   

   • algorithm
   • mparith
   • (and 1 more)

     Tagged with:

     • algorithm
     • mparith
     • precision
   • 37 replies
   • 3691 views
   • 
   • David Heffernan
   • August 26, 2020

3. Random unsigned 64 bit integers

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   By julkas, October 22, 2020
   • 36 replies
   • 4104 views
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   • Tommi Prami
   • February 12, 2021

4. Why empty dynamic arrays = NIL?

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   By Mike Torrettinni, September 24, 2021
   • 36 replies
   • 1823 views
   • 
   • Stefan Glienke
   • September 27, 2021

5. pre-generic dictionary class

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   By dummzeuch, February 23, 2020
   • 35 replies
   • 4184 views
   • 
   • Andrea Raimondi
   • March 14, 2020

6. Which implementation of this is easier to understand?

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   By dummzeuch, October 20, 2021
   • 34 replies
   • 1364 views
   • 
   • Stefan Glienke
   • October 21, 2021

7. Refactoring Enum to string using enum helpers

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   By Mike Torrettinni, July 21, 2021
   • 34 replies
   • 1794 views
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   • Mike Torrettinni
   • July 22, 2021

8. Having fun with Delphi

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   By Attila Kovacs, October 26, 2020
   • 33 replies
   • 3118 views
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   • Marat1961
   • November 2, 2020

9. Parsing Text search expression

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   By Mike Torrettinni, July 26, 2021
   • 33 replies
   • 2323 views
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   • Marat1961
   • September 23, 2021

10. why shortstring in Delphi cannot used in our Programs using New IDE?

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    By bravesofts, September 22, 2021   

    • shortstring
    • 33 replies
    • 1796 views
    • 
    • Lajos Juhász
    • September 24, 2021

11. Why is public class method marked as used, while it's not actually used?

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    By Mike Torrettinni, November 9, 2020
    • 33 replies
    • 2365 views
    • 
    • A.M. Hoornweg
    • November 10, 2020

12. I don't understand this CONST record argument behavior

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    By Mike Torrettinni, October 3, 2020
    • 32 replies
    • 2824 views
    • 
    • Stefan Glienke
    • October 6, 2020

13. handling predicate conditions

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    By David Schwartz, August 5, 2019
    • 32 replies
    • 5157 views
    • 
    • David Schwartz
    • August 8, 2019

14. How to calculate class size using TMemoryStream.size?

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    By Jenifer, December 6, 2020
    • 32 replies
    • 2681 views
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    • Fr0sT.Brutal
    • December 17, 2020

15. Guessing the decimal separator

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    By dummzeuch, February 4, 2019
    • 31 replies
    • 6198 views
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    • Rudy Velthuis
    • February 10, 2019

16. Prefer composition over inheritance for code reuse?

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    By Edwin Yip, March 28, 2019
    • 31 replies
    • 5598 views
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    • Rudy Velthuis
    • April 6, 2019

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

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    By Der schöne Günther, February 6, 2021
    • 30 replies
    • 2646 views
    • 
    • Guest
    • February 11, 2021

18. Oz-SGL, a new generic collections library based on the idea of C++ STL

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    By Edwin Yip, October 9, 2020
    • 30 replies
    • 2911 views
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    • balabuev
    • November 22, 2020

19. Interesting size reduction algorithm for HashTable

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    By Tommi Prami, February 17, 2020
    • 29 replies
    • 3181 views
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    • Tommi Prami
    • February 25, 2020

20. Most efficient way to delete multiple items from a TList<T>...

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    By Steve Maughan, December 19, 2019
    • 29 replies
    • 4328 views
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    • Fr0sT.Brutal
    • December 23, 2019

21. How to manage defined list values

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    By Mike Torrettinni, November 12, 2019
    • 29 replies
    • 3520 views
    • 
    • Stefan Glienke
    • November 14, 2019

22. Hashing Street Addresses ?

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    By david_navigator, January 29, 2021
    • 28 replies
    • 2208 views
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    • Marat1961
    • February 14, 2021

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

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    By Mike Torrettinni, January 5, 2021
    • 28 replies
    • 2094 views
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    • Lars Fosdal
    • January 6, 2021

24. Micro optimization: Math.InRange

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    By Mike Torrettinni, May 11, 2021
    • 28 replies
    • 2234 views
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    • Mike Torrettinni
    • May 14, 2021

25. Lockfree approach on a Single reader, Multiple Writer queue

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    By kokoslolos, March 5, 2019
    • 27 replies
    • 5517 views
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    • Rudy Velthuis
    • March 8, 2019