In the world of programming, methods to display values play a crucial role. A situation arises when there is a requirement for the formatted output of a value or property that is not very often in demand. In such cases, developers do not want to spend time searching for solutions, rather, they desire a ready-made collection of recipes for presenting all kinds of information. In this context, an exploration of the PrintFormat function provided by the MetaTrader 5 terminal could be beneficial.

The PrintFormat function allows developers to send their desired data to the log in a formatted easy-to-understand way. It can be customized to format and print sets of characters and values into the EA journal according to a specified format. A developer can set its own output format for each value, thereby creating versatile solutions for even the most obscure demands.

In reality, the applica...

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Understanding the Double Bollinger Band Strategy: This strategy utilises two Bollinger Bands to filter entries and exits within the forex market. The primary aim is to enter Buy (Sell) trades when the price fluctuates above (below) 3σ (2 standard deviations). It also accommodates the 2σ (2 standard deviations) in Bollinger Bands for making informed trade selections.

Incidentally, the default parameters are as follows:
- 2σ Bollinger Bands (20,2) refers to the simple moving average (20) coupled with the number of standard deviations (2).
- 3σ Bollinger Bands (20,3) collectively denotes the simple moving average (20) and the number of standard deviations (3).

For Long Entry, a Buy order opens if two conditions are satisfied: the Ask price overtakes the 3σ upper Bollinger Band and the current price is within the 2σ upper and lower Bollinger Bands. For Sell entry, a Sell order opens whe...

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