Algorithms, Data Structures and Class Design

408 topics in this forum

1. Help with string extraction function

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   By Mike Torrettinni, July 16, 2020
   • 94 replies
   • 12882 views
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   • Mahdi Safsafi
   • July 28, 2020

2. Organizing enums

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   By Mike Torrettinni, October 13, 2020
   • 84 replies
   • 14380 views
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   • Marat1961
   • October 16, 2020

3. Best type for data buffer: TBytes, RawByteString, String, AnsiString, ...

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   By Rollo62, October 2, 2020
   • 80 replies
   • 19019 views
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   • Marat1961
   • October 10, 2020

4. TServerSocket - TClientSocket Issue - Code from Delphi 7 from 2010

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   By mtjmohr, January 2, 2021
   • 80 replies
   • 95714 views
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   • mtjmohr
   • January 6, 2021

5. BestPractices: To raise, or not to raise ... an Exception in a class constructor

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   By Rollo62, January 11, 2022
   • 77 replies
   • 8572 views
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   • Anders Melander
   • January 14, 2022

6. More efficient string handling

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   By parallax, February 15, 2022
   • 68 replies
   • 7388 views
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   • Guest
   • February 19, 2022

7. Micro optimization - effect of defined and not used local variables

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   By Mike Torrettinni, November 25, 2020
   • 64 replies
   • 10061 views
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   • Mike Torrettinni
   • February 7, 2021

8. Multiple string replace - avoid calling StringReplace multiple times

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   By Mike Torrettinni, March 20, 2021
   • 62 replies
   • 12925 views
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   • Mike Torrettinni
   • March 22, 2021

9. Security - How freaky can you get!

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   By Clément, January 4, 2021
   • 56 replies
   • 11096 views
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   • Marat1961
   • January 15, 2021

10. Micro optimization: use Pos before StringReplace

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    By Mike Torrettinni, January 31, 2021
    • 54 replies
    • 9017 views
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    • Mike Torrettinni
    • March 17, 2021

11. Dictionaries, Hashing and Performance

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    By Clément, February 14, 2020   

    • tdictionary
    • tstringlist
    • (and 2 more)

      Tagged with:

      • tdictionary
      • tstringlist
      • hash
      • performance
    • 53 replies
    • 18200 views
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    • Cedomir Plavljanic
    • March 25, 2023

12. Why TList uses a lot more memory than TArray?

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    By Mike Torrettinni, March 5, 2020
    • 53 replies
    • 11513 views
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    • Andrea Raimondi
    • March 14, 2020

13. Boolean short-circuit with function calls

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    By Mike Torrettinni, August 20, 2020
    • 50 replies
    • 8419 views
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    • Anders Melander
    • August 29, 2020

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

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    By Mike Torrettinni, March 6, 2021
    • 50 replies
    • 13029 views
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    • PolywickStudio
    • March 19, 2023

15. Simple inlined function question

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    By Mike Torrettinni, October 11, 2020
    • 50 replies
    • 7672 views
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    • David Heffernan
    • October 13, 2020

16. 32bit RGBA TBitmap to RGB byte stream.

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    By Tommi Prami, January 11, 2021
    • 50 replies
    • 8444 views
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    • Tommi Prami
    • February 26, 2021

17. Remove non-utf8 characters from a utf8 string

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    By borni69, September 23, 2020
    • 49 replies
    • 18252 views
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    • Anders Melander
    • October 1, 2020

18. Generic circular buffer library released

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    By TurboMagic, August 23, 2020
    • 47 replies
    • 9018 views
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    • TurboMagic
    • February 7, 2021

19. Is Class with 2 'nested' constructors bad design?

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    By Mike Torrettinni, March 13, 2020
    • 46 replies
    • 8612 views
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    • Stano
    • October 6, 2020

20. Generics: Classes vs Records - Differences in use

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    By Lars Fosdal, September 9, 2020
    • 45 replies
    • 8280 views
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    • Fr0sT.Brutal
    • September 16, 2020

21. As a Delphi expert, do you ever need to refactor or improve your code?

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    By Mike Torrettinni, February 12, 2020
    • 42 replies
    • 9233 views
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    • Guest
    • April 13, 2020

22. How do I terminate a thread that doesn't have an Execute method ?

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    By dormky, January 15
    • 41 replies
    • 1934 views
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    • Remy Lebeau
    • January 16

23. Wow, first time using repeat ... until

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    By Mike Torrettinni, April 5, 2019
    • 40 replies
    • 10680 views
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    • Rudy Velthuis
    • May 1, 2019

24. Disadvantage of using defined type of TArray?

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    By Mike Torrettinni, June 17, 2020
    • 40 replies
    • 6898 views
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    • Arnaud Bouchez
    • June 27, 2020

25. Should my record be a class instead?

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    By Mike Torrettinni, January 31, 2019
    • 38 replies
    • 14741 views
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    • Rudy Velthuis
    • February 8, 2019