Yu Zhang / Publications
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How can I see MT5 options?
As the title says, MT5 supports options. I have been waiting for a long time, but I have not seen any use cases
FileReadString() cause VirtualAlloc failed in large allocator, How to solve it?
while(!FileIsEnding(h)) { string str = FileReadString(h); } Journal： 2025.06.29 01:40:56.806 MQL5 VirtualAlloc failed in large allocator, size=555032 Experts： 2025.06.29 01:40:56.806 ( EURUSD ,H1) out of memory in 'MyClass_File.mqh' (1310,15) The (1310,15) is string str = FileReadString(h);
System built-in iGator() function is wrong !!!
look at the code, please note that the parameters is "13,9,9,6,5,3". //--- paramters is not "13,8,8,5,5,3", is "13,9,9,6,5,3". int handle = iGator ( _Symbol , _Period , 13 , 9 , 9 , 6 , 5 , 3 , MODE_SMMA , PRICE_MEDIAN ); double gator[]; ArraySetAsSeries (gator, true ); CopyBuffer (handle, 0
In the 5100 version of MT5, does the EA backtest cancel the charts showing each period?
In the 5100 version of MT5, has the visualization of EA backtesting results cancelled the display of charts for each period? which is too troublesome! Can it be changed back
If my model has too many factors and I convert it from ONNX to MT5, how can I make the data preparation process more convenient?
For example, if my model has 200 factors and I've exported an ONNX file using Python, but MQL5 needs to handle the data for all 200 factors, it can be quite cumbersome. Is there a good way to handle this
I want to simulate deposits and withdrawals in MT5's backtest，Is there a way to add deposits and withdrawals during backtesting?
I want to simulate deposits and withdrawals in MT5's backtest . Is there a way to add deposits and withdrawals during backtesting
Why my Agent Manager does not have "MQL5 Cloud Netword" and "Scheduler"?
Look, Why the first does not have "MQL5 Cloud Netword" and "Scheduler"
how to open a file according mql5 code? use winapi?
I want to implement a function: use a function to open a file, such as a csv file, so that we can manually edit it in the file. Note that it is not to read the content of the csv, but to open the csv file. How to implement this function, which winapi can do it
OBJ_EDIT can not edit on backtest? How to solve it?
OBJ_EDIT can be created during execution and can be manually entered. However, during backtesting , it cannot be edited. It can be entered, but the input cannot be recorded. when we creat OBJ_EDIT, we can modify its value manually. But on backtest , if we modify it's value, it can not change. How to
OBJ_EDIT can not edit value when backtest, how to solve it?
when we creat OBJ_EDIT, we can modify its value manually. But on backtest , if we modify it's value, it can not change. How to solve it