Seconded. It's really important that we get out of this "works on my machine" philosophy so endemic to current software dev. Learn standards. Read about the

Seconded. It's really important that we get out of this "works on my machine" philosophy so endemic to current software dev. Learn standards. Read about the history of the platforms you're developing for. Get to know their communities. Don't just drop a code bomb on them and say, "well it works for me".