Professional development activities can help you stay competitive in the marketplace. Eric Patel describes ways you can benefit from extracurricular career activities such as volunteering, joining professional associations, attending and speaking at conferences, and pursuing continuing education.

FreeBSD is a popular free version of Unix, much like Linux. In April, the FreeBSD project released a security advisory, which warned that any logged-in user could gain full control of, or "root access" to, almost any machine running any previous version of FreeBSD. The problem was due to a bug in a program called keyinit. It’s an atypical example of a confused deputy bug. However, it is often useful for programs to be allowed to do things their invokers can’t. In this month's bug report, Kragen Sitaker tells the story of this atypical "confused deputy" bug.

Believing that a technique is a well-defined thing can hamper you if you're not careful. It encourages you to react to problems in just one way: try ever harder to do the technique right. It turns off the "situated" part of situated reasoning. Brian Marick shows how the "shopping cart delusion," or strictly adhering to definitions, keeps you from breaking the rules to your benefit.

Joining forces with another company can be a logistical nightmare. This article presents a case study of a fictional merger between two large companies. It addresses four different problems that have to be overcome in a database merger: 1) duplicate records; 2) mismatched columns; 3) data corruption; and 4) front-end assumptions.