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Kryvich

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Everything posted by Kryvich

  1. Kryvich

    Delphi 10.4.2 first impressions

    @emailx45 Yes, I can reproduce in VirtualBox 6.1 with Windows 10 and Delphi 10.4.2 installed. Error: Invalid Class Typecast. Details: Though I never used this view in modern IDEs. Palette Tool window is more convenient on modern wide displays.
  2. Kryvich

    Nneed a mentor

    Of course, there are such groups. https://t.me/Delphi_Lazarus https://t.me/DelphiCommunity https://t.me/fmx_ru
  3. For those who are interested, this book has been translated into Russian: "Руководство по Object Pascal", Марко Канту.
  4. Kryvich

    Installing Community Edition (error 500)

    @KPB You can't install Delphi and C CE editions at the same time.
  5. Kryvich

    Images in High DPI, how?

    I believe some type of neural network may be used for this purpose.
  6. Kryvich

    Images in High DPI, how?

    For High DPI support you should consider SVG.
  7. Kryvich

    How to extend CE licence?

    I confirm that the problem has been resolved. I got a new key and another 367 days on CE license, though still 10.3.3, not 10.4.
  8. Kryvich

    How to extend CE licence?

    Last time the license for Delphi 10.3 CE expired, they did not renew it, but offered a new license for Delphi 10.3.3 Rio CE. Let's see what they will do this time. Hopefully, they will offer a new 10.4.x license as a Christmas present. 🙂
  9. Kryvich

    How to extend CE licence?

    My last trial license was RAD Studio XE3 Architect Trial.
  10. Kryvich

    How to extend CE licence?

    @Oberon82 I just tried to renew my CE license, and got the same answer.
  11. Kryvich

    Hex2Binary

    I don't get this: {$B-} // avoid multiple conditional jumps by not using short eval Actually $B- disables the complete Boolean evaluation. It's a default setting, and it gets a best result in this case.
  12. Kryvich

    Missing DPR

    I have clear.cmd file in my project folders to remove any temporary files, which contains the command: del /f /s *.~* *.bak *.dcu *.identcache *.local *.map *.drc *.cbk *.stat *.tds
  13. Kryvich

    Outdated Delphi Roadmap

    RAD Studio November 2020 Roadmap PM Commentary
  14. Kryvich

    Outdated Delphi Roadmap

    Christmas is too late.
  15. const STX=#$02; isn't the same as const STX='#$02';
  16. Kryvich

    strange problem with psftp lib

    So instead of "DLL not found" you got "External Exception". This is about how important it is to name exceptions correctly and clearly.
  17. Kryvich

    Reading fields with different lenghts

    packed record > fillchar( MyData, Sizeof(TMyData) , 0 ); MyData := Default(TMyData);
  18. Have you seen QuickJS Javascript Engine: https://bellard.org/quickjs/ The author claims almost complete ES2020 support.
  19. Kryvich

    My custom component becomes NI>

    Where do you store reference variables for the tables? I.e. table1, table2 etc.
  20. Just a remark: I saw the reverse picture when my Win32 application in the Windows XP VirtualBox was running one and a half times faster than in the Windows 10 host machine...
  21. Kryvich

    My custom component becomes NI>

    Have you set the overflow and range checking in the project options?
  22. Kryvich

    Need help with IDhttp and Thread

    Yes, it's possible. And just in case an user needs to stop the download, I added the corresponding button. Now there are 3 states: dsIdle, dsExecuted and dsStopped. Downloader.zip
  23. Kryvich

    Need help with IDhttp and Thread

    Hi, @clubreseau @Remy Lebeau gave you everything you needed to finish the job. But OK, in the attachment to this message is a ready test application based on Remy's code, with the addition of a thread pool. Tested on Delphi CE. Downloader.zip
  24. Kryvich

    Having fun with Delphi

    With Marat's proposal, you should not explicitly free the memory. Moreover, the record will be located in the stack, as opposed to the object.
  25. Kryvich

    Having fun with Delphi

    There are two points. 1. It would be possible to add a helper for the string type, but then the standard helper for this type will stop working. 2. It is considered good style to have specialized string or numeric types for special uses.
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