Most software developers I know switch to the US layout for coding precisely for this reason. Square brackets are also usually much harder to reach in European

Most software developers I know switch to the US layout for coding precisely for this reason. Square brackets are also usually much harder to reach in European layouts, while normally they have a dedicated key. Personally I use the US layout on all my keyboards all the time, even if it doesn't match the physical keys -- I just can't go back at this point.