> The catch-22 here is that if I choose to blend in, then people like the commenters above assume that everything they see was written by men, and use that as an excuse to dismiss the concerns of women in the tech industry

Couldn't this be solved by a little 'about the author' section at the end of your articles? Pull in your gravatar and add a couple of sentences about yourself. Now everyone knows you are a woman, and you didn't have to change your background to hot-pink to do so! :)