The act of enumerating, discussing, and broadcasting the non-goals of a project is almost as important as the goal-setting process itself.
Combinatorics of parentheses and binary operators
Combining parentheses and binary operators to calculate arithmetic properties, and reasoning about their recurrence relations and generic closed forms.
Effective and ineffective Wi-Fi security
Which methods to secure a Wi-Fi network actually work, and which are just bumps on the road to an attacker gaining full access to your private network?
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.
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?
Generating random data, part 1
Why are computers so bad at behaving unpredictably, and how can we generate random data effectively?
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.
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?
Search and replace using regular expression callbacks
How can you have more programmatic control of replacements in regex expressions?
Proper password policies
A discussion of various password policies that are often enforced, their relative effectiveness and, in some cases, their harmfulness.