I hit upon this attempting to determine why you'd probably use manner 'w+' versus 'w'. In the long run, I just did some testing. I do not see A lot reason for mode 'w+', as in both of those conditions, the file is truncated to begin with. Having said that, http://ttps://lostvapesstore.com/product/lost-vape-thelema-quest-200w-kit/