extension differences between ex4 and mq4 files ?

Forex Limerence EA  

Mt4 : Softare to execute the ex4 File

mq4 : mql4 language codes

ex4 : Compiled file 

If you buy a MT4 product , you will get an ex4 file, You can't modify it, you can only execute it using MT4

Productivity - USA - MetaTrader 5
Productivity - USA - MetaTrader 5
  • www.metatrader5.com
The productivity index measures the output produced for each hour of labor worked. This indicator is useful for predicting inflation and output growth. If the cost of labor increases respective to the increase of productivity, and, moreover, if the increase in production costs is unlikely, then it will not cause inflation. It has a significant...
juju06  
In fact i found an ex4 expert advisor for free, but i can't see the source code behind, so i am wondering, will it be functional in one month, one year ?
Andrey Barinov  
juju06:
so i am wondering, will it be functional in one month, one year ?

There is only one way to know :)

juju06  
Andrey Barinov :

Il n'y a qu'un seul moyen de savoir :)

you mean like, wait for the unxpected moment the ea will bug ?