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Trading Systems: How to Develop a Reliable and Safe Trade Robot in MQL 4

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MetaQuotes Software Corp.
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MetaQuotes Software Corp.  

New article How to Develop a Reliable and Safe Trade Robot in MQL 4 has been published:

The article deals with the most common errors that occur in developing and using of an Expert Advisor. An exemplary safe automated trading system is described, as well.

Author: Shashev Sergei

Jinsong Zhang
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Jinsong Zhang  
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MQL4 Comments
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MQL4 Comments  
while((!connect) || (iteration > 60))

Looks like an infinite loop. Should be &&.

Actually, you don't really need (!connect), because the loop will end once it's true.

And:

               Sleep(10000);
               Print("Connection not restored", iteration*10,
                     "  seconds passed")

After 10 seconds, the log will say "0 seconds passed". (0*10=0)

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