[Lazarus] from hfiandor about Linear Programing

2013-02-20 Thread Héctor F . Fiandor Rosario
Dear friends,

I want to know if somebody have incursioned in Linear Programing with Lazarus, 
in special, the simplex revised method.

thanks in advance,

Ing. Héctor F. Fiandor Rosario
hfian...@infomed.sld.cu



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Re: [Lazarus] from hfiandor about Linear Programing

2013-02-20 Thread Héctor F . Fiandor Rosario
Dear Mr. Geldenhuys:

really, I don´t understand what you try to said me. Maybe is an idiom problem.

I just put this message for the first time. Mr Frank Church answer me in a 
right way, but I want to learn
how to do a question and not receive a message as your. I don´t replay to 
anyone.

Thanks to Mr. Church.

tjhanks

Ing. Héctor F. Fiandor Rosario
hfian...@infomed.sld.cu

  - Original Message - 
  From: Graeme Geldenhuys 
  To: lazarus@lists.lazarus.freepascal.org 
  Sent: Wednesday, February 20, 2013 4:26 AM
  Subject: Re: [Lazarus] from hfiandor about Linear Programing


  Hi,

  Don't reply to another thread to start a new one. You screw with the
  message thread hierarchy in the mailing list archives and in our email
  clients, and people will probably miss your post if they were not
  interested in the top most post (thread title).

  G.


  On 2013-02-20 23:01, Héctor F. Fiandor Rosario wrote:
   Dear friends,
   
   I want to know if somebody have incursioned in Linear Programing with 
Lazarus, in special, the simplex revised method.
   
   thanks in advance,
   
   Ing. Héctor F. Fiandor Rosario
   hfian...@infomed.sld.cu

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Re: [Lazarus] Lazarus books

2013-01-24 Thread Héctor F . Fiandor Rosario
Dear appjaws:

for a long time I have worked with pascal (turboPascal and Delphi) and really, 
it was easy to me to start working with FP, but

I have not dissabled the Delphi5 installation, and often I consult the Delphi´s 
help  for some details. 

it is an idea awaiting you can get the book.

yours,

Ing. Héctor F. Fiandor Rosario
hfian...@infomed.sld.cu


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Re: [Lazarus] using spanish language

2013-01-23 Thread Héctor F . Fiandor Rosario
dear Mr. Manninen, thanks very much for your observation,

after my message, I have been working with the appl. and found that redefining 
the label control the problem was solved.

thanks again

yours 

Ing. Héctor F. Fiandor Rosario
hfian...@infomed.sld.cu


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[Lazarus] using spanish language

2013-01-22 Thread Héctor F . Fiandor Rosario
I´m using the Lazarus version 1.0.4 and I have completed an application using 
units from prior applications inclusive some of then from Delphi5-

I have found that some label.caption are written correctly in spanish, but 
other don´t admit the accents as for example in the word Terminó.

i will appreciate any help 

thanks in advance,

yours truly,

Ing. Héctor F. Fiandor Rosario
hfian...@infomed.sld.cu


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[Lazarus] install question from hfiandor 08 jan 2013

2013-01-07 Thread Héctor F . Fiandor Rosario
Dear collegues:

for a long time i have used de version 0.9.27 and now I have downloaded the 
version 1.0 and installed in my PC, but I have maintened the 0.9.27, changing 
the folder name.

I have installed the new one in a folder called c:\lazarus_1.0

when I try to open it for the first time, appears a message asking me for 
upgrade the configuration, but I want to use two versions and it have this 
alternative:



but I don't know how to include the command line parameter and what to modify.

Maybe it is a question of primary school, but I don't know.

thanks in advance for your help,

yours

Ing. Héctor F. Fiandor Rosario
hfian...@infomed.sld.cu



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[Lazarus] from hfiandor 11 dic 2012

2012-12-11 Thread Héctor F . Fiandor Rosario
Dear fellows:

I am using SQLite3 for an application and I have a problem.

I need to use a table in an unit that don´t has a form -is a unit for ReadWrite 
procedures- and I can´t place the DataAccess for SQLite icom.

Please, in this cases, what to do?

Thanks in advance,

yours truly,

Ing. Héctor F. Fiandor Rosario
hfian...@infomed.sld.cu


  - Original Message - 
  From: Reinier Olislagers 
  To: Lazarus mailing list 
  Sent: Tuesday, August 21, 2012 8:36 PM
  Subject: Re: [Lazarus] TSQLDBLibraryLoader committed for SQLDB


  On 22-8-2012 10:02, Reinier Olislagers wrote:
   On 21-8-2012 22:10, Michael Van Canneyt wrote:
   Hi,
  
   After recent discussions about which library to load when loading DB client
   libraries, I changed the default names for Firebird, MySQL, Postgres.
   snip
   The component is registered now in the SQLDb package.
  
   Note that the use of the component is optional. It's only needed if you
   want
   to change the library name to something else as the default.
  
   Michael.
   
   Thanks Michael,
   
   Laz failed to compile for me with errors in registersqldb.
   Please see patch that fixes this in
   http://bugs.freepascal.org/view.php?id=22690
   
   Thanks,
   Reinier
   

  Zeljan had already fixed it - thanks Zeljan ;)

  Reinier

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[Lazarus] from hfiandor 03 dic 2012 help needed

2012-12-03 Thread Héctor F . Fiandor Rosario
Dear fellows,

I have a unit for rea/write routines, without a form (not needed).

Now I have to prepare a file with information from a BD table. In other units 
with form it´s easy to fix a table control, and work with this table, but I 
don´t know how to do with my read/write unit.

thanks in advance for your contribution,

yours,

Ing. Héctor F. Fiandor Rosario
hfian...@infomed.sld.cu



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Re: [Lazarus] 2do: about DBGrid from hfiandor 31 oct 2012

2012-11-01 Thread Héctor F . Fiandor Rosario
Dear colleagues:

I want to thanks to Luca Olivetti for his help. Really, it work very well.

thanks to all

Ing. Héctor F. Fiandor Rosario
hfian...@infomed.sld.cu



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[Lazarus] about DBGrid from hfiandor 31 oct 2012

2012-10-31 Thread Héctor F . Fiandor Rosario
Dear colleagues:

i have a BD with 20 fields. In a form i want to fill the data for three of then 
only, using a DBGrid.

the first columns is the Id that is AutoInc and the others are ftString.

Please, i don´t know how to fix the name of the columns with the name of the 
fields selected to be filled.

thanks in advance,

yours truly,

Ing. Héctor F. Fiandor Rosario
hfian...@infomed.sld.cu



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[Lazarus] 2do: about DBGrid from hfiandor 31 oct 2012

2012-10-31 Thread Héctor F . Fiandor Rosario
dear colleagues:

i have found how to fix the name of columns with the field´s name, and i have 
found how to fix the width of each colum. It works in a pretty way.

as i have 20 fields with data about projects, the last ones scroll the screen 
to the right and the PC´operator lost the project´s name and i am thinking to 
put and edit box in the upper place of the DBGrid to show the project´s name 
(one of the firsts fields of the record) for the active row. If i used a simple 
edit box, it can be programmed in the OnKeyPress Event, but I don´t know how to 
do it in the case of a dbGrid.

Another question: Can I obtain the Sum of each colums and put in a StringGrid 
placed above the DBGrid?

thanks in advance,

yours truly,

Ing. Héctor F. Fiandor Rosario
hfian...@infomed.sld.cu

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[Lazarus] about StringGrid from hfiandor 09 oct 2012

2012-10-09 Thread Héctor F . Fiandor Rosario
Dear friends:

i have placed a StringGrid of 5 col in a form. In case of an error, I know how 
to change an introduced value with the new one, but

i dont know how to delete a complete row introduced by error. Maybe is the 
first, or the last or any intermediate.

thanks in advance for your explanation

yours truly,

Ing. Héctor F. Fiandor Rosario
hfian...@infomed.sld.cu



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Re: [Lazarus] How does Lazarus find SQLite?

2012-08-01 Thread Ing . Héctor F . Fiandor Rosario

Dear Mr. Klenin:

I have installed succesfully the SQLite3 and I have done the excersice 
covered in the Tutorial01 and Tutorial02.


The tutorial03 don´t work.

I will appreciate very much to know when you will publish the demo 
documentation mentioned.


thanks in advance,

Ing. Héctor F. Fiandor Rosario
hfian...@infomed.sld.cu

- Original Message - 
From: Alexander Klenin kle...@gmail.com

To: Lazarus mailing list lazarus@lists.lazarus.freepascal.org
Sent: Tuesday, July 24, 2012 6:18 AM
Subject: Re: [Lazarus] How does Lazarus find SQLite?


On Tue, Jul 24, 2012 at 9:52 PM, leledumbo leledumbo_c...@yahoo.co.id 
wrote:

It seems the Lazaurs uses SQLite. (For what, btw? just curious)


Not at all, except if you install SQLite component.


So how does Lazarus find the SQLite library?


You are right. This sounds like a bug in the component, however --
after installation of sqllite3laz package, Lazarus itself fails to
start in there is no DLL in path.
The DLL should be loaded only when the connection is made, similar to
the other databases.


Windows: anywhere in PATH
*nix: /usr/lib or /usr/local/lib usually, but other places are possible 
(not

really sure about all of them, it may differ one to another)


I see. Based my incorrect conclusion that Lazarus itself uses SQLite I was
hoping to guarantee its presence for the demo.
I'll just write in the demo documentation that it is required :)

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[Lazarus] help needed on SQLite

2012-07-01 Thread Ing . Héctor F . Fiandor Rosario

Dear friends:

i am a new users in BD and i would like to test the SQLite, but really, i 
can´t understand very well the tutorials obtained.


I will appreciate very much to get in contact with one of the list´s member 
who has experience in SQLite to get a simple sample to reproduce from zero.


thanks in advance

Ing. Héctor F. Fiandor Rosario
hfian...@infomed.sld.cu 



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Re: [Lazarus] problem with a dbf file

2012-03-09 Thread Ing . Héctor F . Fiandor Rosario
i have finished an application that use the TDbf and, as expected, generates 
.dbf files.


I have tried the application in other PC, and dont read the .dbf file.

I have observed that in this PC, the .dbf is shown as an Excel file, maybe 
due to the Panel Control Options (I dont want to investigate too much).


Can anybody help me with the routine to change (or at less assure) the Panel 
Control Options for files, as we do the the decimal separator?


thanks in advance,

Ing. Héctor F. Fiandor Rosario
hfian...@infomed.sld.cu 



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[Lazarus] problem with a dbf file

2012-03-09 Thread Ing . Héctor F . Fiandor Rosario
Dear Mr. Richard:

no, i dont said it.

first, i have tried to execute de application. The application work, but not 
read the .dbf file with some data. It work like the first time, without 
history, as empty table.

Then, I have closed the application, and open the Windows explores, in the 
folder with the .dbf file.

I have observed that it appears, exists, with some kb, not empty.

The icom that appears looks to be an Excel file icom.

this PC is not my PC and I dont have permission to go too far.

I close the explorer, and finish my session there.

thanks for your time,

Ing. Héctor F. Fiandor Rosario
hfian...@infomed.sld.cu



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[Lazarus] upx dont work

2012-02-27 Thread Ing . Héctor F . Fiandor Rosario

Dear colleagues:

i have used por many years the upx for compact the executable files. Really, 
it have worked pretty well.


today, i have tried to compact an executable but i have obtained a nom good 
result.


previously i have used the strip to reduce the weight from more or less 30 
Mb to 3 Mb. After that, the executable still works well.


them i have applied the upx, it look to work well, the weight is reduced to 
1 Mb, but when i tried to execute, a message appears telling the 
configuration is not good and maybe reinstalling the application can work. 
In more than 20 years using it, it is the first time this occurs.


thanks very much

Ing. Héctor F. Fiandor Rosario
hfian...@infomed.sld.cu 



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[Lazarus] from hfiandor 23 feb 2012 about popup

2012-02-23 Thread Ing . Héctor F . Fiandor Rosario

dear colleagues:

thanks very much for your help.

I have missed to write in the form, in the object inspector, the name of the 
popupmenu.


thanks agains,

Ing. Héctor F. Fiandor Rosario
hfian...@infomed.sld.cu 



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[Lazarus] an application that dont work

2012-02-12 Thread Ing . Héctor F . Fiandor Rosario

Dear friends:

i have an unusual problem: i have prepared a simple application to edit a 
TDbf table.


now i have two forms only and when i execute the exe file the first works 
well, but when i try to continue, then the second one appear and the 
application terminate in miliseconds.


really, it is the first time i have this anormal behavior. I will appreciate 
any suggestion to solve this.


thanks in advance,

Ing. Héctor F. Fiandor Rosario
hfian...@infomed.sld.cu 



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Re: [Lazarus] an application that dont work

2012-02-12 Thread Ing . Héctor F . Fiandor Rosario
dear friends:

i have resolved the problems: the name of the folder where the programs were 
saved have spaces between. 


i name it with an only word and then fine compile.

thanks very much.

Ing. Héctor F. Fiandor Rosario
hfian...@infomed.sld.cu


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Re: [Lazarus] Lazarus Logo

2011-12-30 Thread Ing . Héctor F . Fiandor Rosario

Dear Kjow:

i am using a running cheetah. If you want, i can pass to you the routines.

yours,

Ing. Héctor F. Fiandor Rosario
hfian...@infomed.sld.cu 



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Re: [Lazarus] about TDFB

2011-12-08 Thread Ing . Héctor F . Fiandor Rosario

Dear Mr. Geldenhuys:

thanks very much.

Now I have already prepared a Report (LazReport) and I have added a tipo 
field coding de Sex+HairColor+SkinColor+YearBorn+MonthBorn thinking in an 
auxiliary index for ordering.


I have to learn a lot about how to do queries.  In Access it is easy.

Thanks again,

Ing. Héctor F. Fiandor Rosario
hfian...@infomed.sld.cu

- Original Message - 
From: Graeme Geldenhuys graemeg.li...@gmail.com

To: Lazarus mailing list lazarus@lists.lazarus.freepascal.org
Sent: Thursday, December 08, 2011 1:28 AM
Subject: Re: [Lazarus] about TDFB



On 7 December 2011 23:22, Ing. Héctor F. Fiandor Rosario
hfiandor@i. wrote:


I am using the jpg images and obtain the same results.


In that case the jpg file is already in a compressed form, so using
base64 + gzip will not gain much. Using a standard BLOB field (like
you already do) is fine in this case.



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- Graeme -


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Re: [Lazarus] about TDFB

2011-12-07 Thread Ing . Héctor F . Fiandor Rosario

Dear Mr. Geldenhuys:

really your comments are good lessons for me, but I have to admits that my
knowledges are so limited and can´t understand.

how to encode an image?
how to do gzip?
it´s correct to use de blob as field?

I am using the jpg images and obtain the same results.

if you understand that this answer are not suittable to the list, you can
use my email,.

thanks in advance,

Ing. Héctor F. Fiandor Rosario
hfian...@infomed.sld.cu


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[Lazarus] about TDFB

2011-12-06 Thread Ing . Héctor F . Fiandor Rosario

Dear friends:

I am trying to do a program with TDbf for actors´casting and I want to 
include a photo of the actor.


How can I do that?

thanks in advance for your answering,

yours,

Ing. Héctor F. Fiandor Rosario
hfian...@infomed.sld.cu


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[Lazarus] help to obtain the FPC 2.4.4

2011-09-22 Thread Ing . Héctor F . Fiandor Rosario

Dear colleagues:

i have downloaded from http://www.freepascal.org/download.var the file 
fpc-2.4.4.i386-win32.exe and the file fpc-2.4.4.i386-win64.exe
and when installed the win32 version, i obtained an icon in the desktop and 
a folder in C:\FPC\2.4.4
but when i execute, i dont obtain the interface of Lazarus, i obtain the 
Compiler interface.


i will appreciate very much if somebody can furnish me the url to obtain the 
correct version. Now i was using the 2.2.3 version.


thanks in advance,

Ing. Héctor F. Fiandor Rosario
hfian...@infomed.sld.cu



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Re: [Lazarus] help to obtain the FPC 2.4.4

2011-09-22 Thread Ing . Héctor F . Fiandor Rosario

Dear Mattias, thanks very much.

Ing. Héctor F. Fiandor Rosario
hfian...@infomed.sld.cu


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[Lazarus] Fw: help to obtain the FPC 2.4.4

2011-09-22 Thread Ing . Héctor F . Fiandor Rosario


Dear Mattias, thanks very much.

Ing. Héctor F. Fiandor Rosario
hfian...@infomed.sld.cu


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