This practice-oriented article focuses on working with files in MQL5. It offers a number of simple tasks allowing you to grasp the basics and hone your skills.
The article describes the development of an interface between MQL and the MySQL database. It discusses existing practical solutions and offers a more convenient way to implement a library for working with databases. The article contains a detailed description of the functions, the interface structure, examples and some of specific features of working with MySQL. As for the software solutions, the article attachments include the files of dynamic libraries, documentation and script examples for the MQL4 and MQL5 languages.
A simple concept described in the article allows those developing automated trading systems in MQL4 to simplify existing trading systems, as well as reduce time needed for development of new systems due to shorter codes.
A short description of various illusions that come up when people trade using martingale betting strategies or misuse spiking and the like approaches.
The elaborate interface of the terminal MetaTrader 4 is a forefront, but beside this the terminal includes a deep-laid tester of strategies. And while the worth of MetaTrader 4 as a trading terminal is obvious, the quality of the tester's strategy testing can be assessed only in practice. This article shows the advantages and conveniences of testing in MetaTrader 4.