Any rookie question, so as not to clutter up the forum. Professionals, don't pass by. Nowhere without you - 6. - page 1115

[Sergey Gritsay]

smithers88:

Hello.

Is it possible to find out the actual spread values in the past ?

Thank you.

In MT5 you can, in MT4 you can't

[Vladimir]

smithers88:

Hello.

Is it possible to find out the actual spread values in the past ?

Thank you.

http://ratedata.gaincapital.com/ - tick (i.e. both bid and ask) stories since 2000

[Batr]

Can you tell me which is better - a VPS server or a dedicated one? I've read all sorts of reviews, dedicated is better, but all reviews before 2010. Now the situation must have changed. By "better" I mean stable, reliable, uninterrupted.

[Mikhail Toptunov]

Good time, how to add a new line to the finished file.csv, with a shift to the 1st line - if possible? Or some other way, but without recalculating/recycling the existing data. Is it allowed to update the names of columns and rows

int GenerateCsv(string fileName)
  {
   int handle= FileOpen(fileName,FILE_CSV|FILE_WRITE," "),x=0,y=0;
   string str="";
   if(handle<1)
     {
      Print("Error:",GetLastError());
      return(handle);
     }
   else
     {
      str="";
      for(x=0; x<ARRAY_SIZE_X; x++)
        {
         str = str + DoubleToString(arrayIndexX[x]);
         str = str + "\t";
        }
      FileWrite(handle,PrepareString(str));
      for(y=0; y<ARRAY_SIZE_Y; y++)
        {
         str = "";
         str = str + DoubleToString(arrayIndexY[y]) + "\t";
         for(x=0; x<ARRAY_SIZE_X; x++)
           {
            str = str + DoubleToString(arrayZ[0][x][y]);
            str = str + "\t";
           }
         FileWrite(handle,PrepareString(str));
        }
     }
   FileClose(handle);
   return(handle);
  }

In general, the problem is that the system swearing at the three-dimensional array where the axis j,k must be huge values, here I think to put everything into a text editor as storage, if necessary, to process it.

I may need to use\n when writing, but I don't know how yet.

The value of the first line is the cap, the second line is 0 for all columns always, filling comes from the 2nd line

[Alexey Viktorov]

Top2n:

Good time, how to add a new line to the finished file.csv, with a shift to the 1st line - if possible? Or some other way, but without recalculating/recycling the existing data. Is it allowed to update the names of columns and rows

int GenerateCsv(string fileName)
  {
   int handle= FileOpen(fileName,FILE_CSV|FILE_WRITE," "),x=0,y=0;
   string str="";
   if(handle<1)
     {
      Print("Error:",GetLastError());
      return(handle);
     }
   else
     {
      str="";
      for(x=0; x<ARRAY_SIZE_X; x++)
        {
         str = str + DoubleToString(arrayIndexX[x]);
         str = str + "\t";
        }
      FileWrite(handle,PrepareString(str));
      for(y=0; y<ARRAY_SIZE_Y; y++)
        {
         str = "";
         str = str + DoubleToString(arrayIndexY[y]) + "\t";
         for(x=0; x<ARRAY_SIZE_X; x++)
           {
            str = str + DoubleToString(arrayZ[0][x][y]);
            str = str + "\t";
           }
         FileWrite(handle,PrepareString(str));
        }
     }
   FileClose(handle);
   return(handle);
  }

In general, the problem is that the system swearing at the three-dimensional array where the axis j,k must be huge values, here I think to put everything into a text editor as storage, if necessary, to process it.

I may need to use\n when writing, but I don't know how yet.

The value of the first line is the cap, the second line is 0 for all columns always, filling goes from the 2nd line

If writing an array, wouldn't it be better to use the array write function? https://docs.mql4.com/ru/files/filewritearray

[vitek2010]

Esteemed experts advise: how to MT4 instaforex to insert a screenshot, in a message on this forum (if you can - in detail - "on the fingers" for not very bright)

[Vitalie Postolache]

vitek2010:
Dear Experts advise: how to MT4 instaforex to insert a screenshot, the message on this forum (if you can - in detail - "on the fingers" for not very bright)

1. Save the screenshot on your computer, press Ctrl+Alt+I, specify the desired picture. That's all.

2. If from a network, the same, but instead of the path to the file on the local drive - to specify a link to the image on the network.

[vitek2010]

Vitalie Postolache:

1. Save the screenshot on your computer, press Ctrl+Alt+I, specify the desired picture. That's all.

2. If from network, the same, but instead of path to the file on the local disk - specify the link to the image in the network.

I see on the page from which I copy : put the screenshot in my pocket , Moderators please do not scold me for trying to paste the screenshot.

Screenshots of the MetaTrader platform

EURCHF, H4, 2017.01.05

InstaForex Group, MetaTrader 4, Real

[Mikhail Toptunov]

Hello, the task is to overwrite a two-dimensional array, in BIN format, does the function recognize a two-dimensional array as input?

FileWriteArray

Or only write separately by rows?

[Alexander Gandzyuk]

Top2n:

Good time, how to add a new line to the finished file.csv, with a shift to the 1st line - if possible? Or some other way, but without recalculating/recycling the existing data. Unless it's allowed to update column and row names

int GenerateCsv(string fileName)
  {
   int handle= FileOpen(fileName,FILE_CSV|FILE_WRITE," "),x=0,y=0; 

Remove FILE_CSV, use FILE_ANSI instead if you use "\n\t"format etc.