The comment filled with useless characters and direct to URLs that does not exist. and the commenter IP is changing all the time.
This could only mean one thing. The spammer is using a testing it's power...

Only read the following if you are the spammer, don't tell me I didn't warn you:

Shame on you!!!
SHOW YOURSELF!!!
Who ever you are, I deleted all the spam/attack comment you made. I see you are still spamming, and I will be up here all night delete everything you made!
This blog is running on a kind person's hosting, don't you dare put your dirty claws on this server!
I made comment free for all (except people who can't solve basic math), and you spammers/attackers to abuse the system. Don't make me start the moderation system!

Don't ever f*ck with Chinese bloggers/web developers who is learning C++, because we WILL eat your babies and blog about it!

...and... don't attack my site when I'm on the airplane.... duel me fair and square!

I can't believe Google can make a math mistake:

See for yourself. 0.0000001×10^-308

I know the last digit of pi.

One day, when I know about law, I'm totally going to be a jerk and sue everyone.

Can't wait I'm 18
Get a credit card
and run into debt
SWEET!