Simon Gniadkowski / Publications
Forum
Loops and Closing or Deleting Orders
This is one of the most common errors I see, probably due in part to the likes of garbage such as Expert Advisor Builder. So I thought it was time for a thread dedicated to the subject so that it can be linked to for future reference. The Problem Let's take a simple example; we want a function to
Can price != price ?
I'm trying to understand something strange that I am seeing so I can better code round it in the future . . . I noticed something strange happening with one of my Indicators, it wasn't doing what it should have been so I checked the code and it looked correct. So I did a little investigation and
.hst file format . . . Old and New (Jan 2014)
For clarity for myself, at least, and anyone else that has an interest . . . .hst file format valid as of MT4 Build 509 The database header first . . . total 148 bytes int version; // database version - 400 4 bytes string copyright[64]; // copyright info 64 bytes string symbol[12]; // symbol name 12
Is my VPS/Sever alive ?
Re: https://www.mql5.com/en/forum/136275/page3#532562 I got my php working as a Cron job. I created a simple EA to send the file via FTP and set the Cron job (I use cPanel based hosting) to run every 2 mins. The php . . . <?php $to = "your@email.com"; $subject = "EA is silent"; $body = "EA has
What are Function return values ? How do I use them ?
I see many, many people posting code and asking questions which can usually be answered by simply checking the return values from a few Functions and printing out any relevant errors. So I thought I would make a post specifically about this subject so that I can simply link to it in the future
How to handle trading errors - mql4
I noticed that this is no longer present in the current mql4 documentation so I though I would add the "old" documentation here for future reference . . . Constant Value Description ERR_NO_ERROR 0 Trade operation succeeded. ERR_NO_RESULT 1 OrderModify attempts to replace the values already set with
Help with Indicator . . .
Comments that do not relate to the " Using Technical indicator in an EA ", have been moved into this topic
How to test if Color == CLR_NONE ?
I have been coding a function to display previous trades on a chart, in the same way that dragging a previous trade to a chart does. I want to keep my function versatile so I am making it configurable while at the same time making the defaults match what MT4 shows by default, so some of my function
Do you think Smilies would be a helpful addition to this Forum ?
Yes please, Smiles help convey the emotion missing from plain text. :-D No, we don't need Smilies. :-o I don't care, just show me the results, NOW ! ! ;-)
IYO, what risk per trade, as a percentage of Account Balance, indicates that a signal provider has confidence in his/her signal ?
< 1% Between 1% and 1.9% Between 2% and 2.9% Between 3% and 5.9% Between 6% and 10% > 10% I don't care, show me the results