Sometimes the internet will take you to places you never expected to go.
I was cleaning my Blog Post Ideas Evernote notebook and found these gems hidden deep inside its bowels:
I still haven’t found the presentation in which someone (from Facebook?) explained how long DNS information with long-expired TTLs persists in the clients. Relevant links would be highly appreciated.
Read more ...Robert Graham wrote a great blog post explaining why so many IT certifications suck.
TL&DR: because they are trivial pursuits instead of knowledge assessment tests… but do read the whole post and compare it to your recent certification experience.