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RAO advice on using Mysql

RAO,
I wanted to ask you for advice on how to use tables with millions of data without experiencing a loss of performance

Grazie Maurizio
by Maurizio
Tue Jan 30, 2024 2:32 pm
 
Forum: FiveWin for Harbour/xHarbour
Topic: RAO advice on using Mysql
Replies: 12
Views: 856

Re: FW_OpenAdoConnection reconnect

...  endif   return ( oCn:State > 0 ) If still the connection can not be re-established, the possible reasons can be loss of internet connection, or physical network issues. This indicates the need for the user to physically remedy the situation and retry the operaration.
by nageswaragunupudi
Thu Dec 14, 2023 3:57 am
 
Forum: FiveWin for Harbour/xHarbour
Topic: FW_OpenAdoConnection reconnect
Replies: 6
Views: 494

Re: Class TNeuralNetwork for Harbour

... + bias_output[i]        predicted_output[i] := sigmoid(predicted_output[i])    NEXTPROCEDURE calculate_loss( predicted_output, true_output )    LOCAL loss := 0.0    FOR i := 1 TO 7        loss := loss + 0.5 * ((predicted_output[i] ...
by Antonio Linares
Sun Nov 19, 2023 10:39 am
 
Forum: FiveWin for Harbour/xHarbour
Topic: Class TNeuralNetwork for Harbour
Replies: 16
Views: 1299

Re: oCn:Insert() - UTF8 encoding fails [Unsolved]

... pages HB_OemToAnsi()/HB_AnsiToOem(). Of course also no AnsiToUtf8()/UTF8ToAnsi(). No more 'garbled' characters due to incorrect conversion. No loss of characters due to different character sets. :D
by frose
Fri Nov 10, 2023 6:29 am
 
Forum: FiveWin for Harbour/xHarbour
Topic: oCn:Insert() - UTF8 encoding fails [Unsolved]
Replies: 6
Views: 261

Re: DBF . Commit

... to all users. ----------- set( _SET_HARDCOMMIT, .F. ) The deactivation of automatic commit operations could, however, increase the risk of data loss in the event of a system failure, as the data is stored in the cache and not on the hard disk.
by Otto
Sat Oct 21, 2023 8:58 pm
 
Forum: FiveWin for Harbour/xHarbour
Topic: DBF . Commit
Replies: 39
Views: 2214

Re: Lost connection to MySQL server during query

Vilian

Sorry ( again ) if I may have offended you ... Is this loss of connection isolated to 1 or 2 machines of is the connectivity problem randomly system wide ? .. I do not know anything about MySql ?

Rick
by Rick Lipkin
Fri Aug 04, 2023 6:58 pm
 
Forum: FiveWin for Harbour/xHarbour
Topic: Lost connection to MySQL server during query
Replies: 37
Views: 11992

Re: Lost connection to MySQL server during query

... with the server is lost when the application is trying to access the server. This mostly happens due to physical disconnection of cables or loss of internet in case of cloud servers, etc. This message is intended to advise the user to restore the physical connection and try the operation ...
by nageswaragunupudi
Fri Jul 28, 2023 10:20 pm
 
Forum: FiveWin for Harbour/xHarbour
Topic: Lost connection to MySQL server during query
Replies: 37
Views: 11992

Re: get hBitmap from Image

... are not enough resources to store such volumes. :D I have a very small utility (with a command line) with which I compress each file (without loss of quality) by about 3-4 times. Maybe go this way ? You can make miniatures. I don 't know about "destroy Image " The FW_readImage() ...
by Natter
Thu Oct 20, 2022 8:24 am
 
Forum: FiveWin for Harbour/xHarbour
Topic: get hBitmap from Image
Replies: 14
Views: 704

Re: Cambiar columna de consulta TDolphin

... have to be checking my PRG from top to bottom to remember the positions of the variables within the arrangement. Work like this is very heavy and loss of time. In my last system (which is currently under development) I began using the Xbrowse and I use it as: aKardex: = oQuery: = FillArray () ...
by JoseAlvarez
Sat Apr 16, 2022 4:44 pm
 
Forum: FiveWin para Harbour/xHarbour
Topic: Cambiar columna de consulta TDolphin
Replies: 7
Views: 553

Re: Ayuda con FILTER y MARIADB

... used in the query. Filters behave the same way like ADO. We request you to kindly read the documentation again to avoid such misunderstandings and loss of time. In your above example: oQry:SetFilter( "A6 LIKE '%" + ALLTRIM( vGets[ 1 ] ) + "%'" )oQry:GoTop()XBROWSER ...
by nageswaragunupudi
Wed Mar 16, 2022 5:30 am
 
Forum: FiveWin para Harbour/xHarbour
Topic: Ayuda con FILTER y MARIADB
Replies: 19
Views: 1031

Re: SBUTTON vs BTNBMP

... right tool for it. You may test it and see what results you get :-) Antonio, that if by now I have left sbutton for just the same reason (memory loss), if you find how to fix the bug I would like to have a copy of the tsbutton class to test it with my old version of the Pos program that I had ...
by Silvio.Falconi
Tue Dec 28, 2021 11:28 am
 
Forum: FiveWin for Harbour/xHarbour
Topic: SBUTTON vs BTNBMP
Replies: 18
Views: 1536

Re: galería de imágenes

Antonio,

If I change the Windows for the Dialog I will loss the VScroll feature that is very important for me.

RPreview is also a non modal window but it remains on top of the screen: How can I do this ?

Regards,
by José Luis Sánchez
Fri Jan 15, 2021 6:06 pm
 
Forum: FiveWin para Harbour/xHarbour
Topic: galería de imágenes
Replies: 52
Views: 16696

Re: New Password problem

... is no problem for a web server. There are tests in the mod harbor forum with simulated tens of thousands of simultaneous requests without data loss. The Internet's stability is getting better every day, and there are many ways to make it more fail-safe. You can get the Internet over the landline ...
by Otto
Fri Oct 02, 2020 6:46 am
 
Forum: FiveWin for Harbour/xHarbour
Topic: New Password problem
Replies: 23
Views: 3177

A strange printing behavior

... tPrinter might expect the print system to respond that I could check, or any special characters that might prevent it from outputting ? I'm at a loss. Thanks for your ideas.
by TimStone
Tue May 07, 2019 7:23 pm
 
Forum: FiveWin for Harbour/xHarbour
Topic: A strange printing behavior
Replies: 0
Views: 285

Re: Another for Lan Network

... rare case when one user is updating a record that another user feels should be deleted. If there was good reason for deleting it, then there is no loss if the edited data doesn't get saved. You could provide the option for the user trying to save the updates, to undelete the record and then save. ...
by James Bott
Sat Nov 10, 2018 12:58 am
 
Forum: FiveWin for Harbour/xHarbour
Topic: Another for Lan Network
Replies: 4
Views: 1023
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