3 ms·

Render to pixels. If they look about the same, but are different, that is a high signal for spam.

• thrown_22 4y ago
  Ноw wоuld уоu knоw whаt уоu ѕhоuld bе rеndеrіng аgаіnѕt tо сhесk аhеаd оf tіmе? The majority of the above sentence is not valid Latin characters for example.
  • bagels 4y ago
    All of the usernames, to detect lookalikes.
    • thrown_22 4y ago
      That's an n^2 problem. For every new used you'd need to compare them to every already existing user. Do you think you ought to be charged $5 for every attempted registration? >Mole is too close to Moie, please select another user name. Your bank account has already been charged.
      • bagels 4y ago
        It's not n^2. It's a lot better than that.
        • thrown_22 4y ago
          for i in users: for j in users: if same_as(i,j): reject(i) else: accept(i) That is literally the definition of n^2.