There’s news and discussion about a recent flaw in Gmail that can expose your contact list to any page.

Summary:… Read article If you are logged into a Google account (email, personal homepage, etc) then another site can use that authentication to

Base systems like binary and hexadecimal seem a bit strange at first. The key is understanding how different systems “tick over” like an odometer when they are full. Base 10, our decimal system, “ticks over” when it gets 10 items,… Read article

(Still a work-in progress; I want to revisit with intuitive explanations and playing-card examples)

Sorting is a key to CS theory, but easy to forget. I had an itch to review the algorithms in Wikipedia (strange, I know), and here… Read article

I’m a Unicode newbie. But like many newbies, I had an urge to learn once my interest was piqued by an [introduction to Unicode-http://www.joelonsoftware.com/printerFriendly/articles/Unicode.html].

Unicode isn’t hard to understand, but it does cover some low-level CS concepts, like [byte… Read article

I found an article explaining DNS cache poisoning… Read article, an attack used by phishers to redirect “www.mybank.com” to a fake site.

Summary: DNS requests are not authenticated, and therefore the information mapping a domain name to an IP address cannot

Understanding the nature of file formats and escape characters has been an itch of mine. I recently found a few useful explanations… Read article that inspired me to write my understanding of binary files.

How computers represent data

Everything is bits and

Compiling a program turns a human-readable source file (set x = 3) into assembly language (load 3 into register) and finally into machine language (101010101…).

Debugging… Read article is stepping through a program to identify the cause of errors. But how do