Had lunch yesterday there and it was pretty good. When i returned in the evening to have a quick drink while waiting for a friend, I asked bartender David if i could plug in my computer cos i badly needed to send some things from my computer which had not been working earlier in the day. David goes on to tell me that the bar cant be held responsible if its charging behind the bar even though i would be sitting right there having my drink. Meanwhile, i look and see about 3 of the staffs phones charging there behind the bar while he is saying this. I pointed out the fact i was a paying customer and had tipped both him and the server quite well and all i was asking was to charge me computer while i had a drink because i really needed to send some important things on my desktop, to which he sarcastically replied, "so do you want your tip back". I met my friend later and we went instead to Grossetto restaurant around the corner where they happily charged my computer at the bar and i was able to take care of my business. Will not be returning to las adelitas and will be sharing my experience with everyone i know, including reviews on various websites. While the food is good, i know plenty of good restaurants in Prague where i can take my business.