lazarus

I would like to ask for some help as i'm not able to identify what i did wrong in the following code as in the procedure , it doesn't read the first unit of the record , but after that it reads the uj.nev too. It only misses it for the first time which is what i can't understand ,and not only on the school computer but mine too. I would appreciate it if you could explain to me what i did wrong. Thanks in advance! (the program supposed to read records nev , varos , fizetes , and sort them into ascending order, and then write it out into a text file) program adatbazis; uses crt,Sysutils; const C

I am using Lazarus I have an app with webbrowser component on it that logs into a website loads a page as below (see html code below), and fills in different inputs. The last input is a file to upload. I would like my app to "click" Browse, select a file i want to, and Open. After that I could do a post the form OR just upload the file and carry on. 1 I have the following html code on the site: <td align="left" class="RequiredInput">File:</td> <td class="datafield"> <form name="frmMain" id="frmMain" action="upload.asp?step=2&output=1" method="post" enctype="multipart/form-data"> <input type=

I need an inverse perspective transform written in Pascal/Delphi/Lazarus. See the following image: I think I need to walk through destination pixels and then calculate the corresponding position in the source image (To avoid problems with rounding errors etc.). function redraw_3d_to_2d(sourcebitmap:tbitmap, sourceaspect:extended, point_a, point_b, point_c, point_d:tpoint, megapixelcount:integer):tbitmap; var destinationbitmap:tbitmap; x,y,sx,sy:integer; begin destinationbitmap:=tbitmap.create; destinationbitmap.width=megapixelcount*sourceaspect*???; // I dont how to calculate this