Matching on boolean values using switch statements

A different way to think about switch statements, using a boolean value to evaluate against each case's logical expression for comparison. Continue reading...

Generating random data — Part 2

Given various sources of random data on a Unix system, which are the most efficient while also producing sufficiently random data? Continue reading...

Generating random data — Part 1

Why are computers so bad at behaving unpredictably, and how can we generate random data effectively? Continue reading...

Emerging trends in application delivery

A look back at how application delivery has evolved, and how we can expect it to change in the coming years. Continue reading...

The functional and performance differences of sed, awk and other Unix parsing utilities

What is the difference between the Unix utilities sed, awk and grep? Continue reading...