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When time session open is changed in a year?

Hi guys. I'm writing an EA which automatically find STRONG breakout, especially it works very good in USA session. This is my problem: - When I back test EA in history chart, how do I know exactly time opened at that day? (Because every year time open has diffent). It's mean HOW DO WE KNOW EXACTLY

Error: "Add the adress..."

Hi guys. I use WebRequest function , did add URL to Expert Advisors, and it works. But, sometime MT4 warning me: "Add the address xxxxxxx in the list of allowed URLs on tab Expert Advisors", alothough I added it. (Watch image attached) Anyone know what happened????? Thank you

Automatically calculator my own lot size when copy signals from MT4

Hi guys. I'm interested in MT4 Signals, but I got a question: When signals come, how do my MT4 send order with new lot (according to my account ballance). For example: - Signals was sent EURUSD Buy 0.02 lot - And my MT4 Buy EURUSD with 0.06 lot (Because I want my lot is multiple 3 times) Thank you