Computerphile put out this video on the basics of password encryption, decryption, security and so on. It’s great to have a fundamental understanding of how these things work in order to run a safe and successful business as well as being a halfway decent developer.
‘Beast’ cracks billions of passwords a second, Dr Mike Pound demonstrates why you should probably change your passwords…
You’re on a website, you notice that results seem to be different when you query the database depending on if you are on Page A, vs Page B — or if you are logged in vs logged out.
You start asking questions like “is my plugin broken?” and “did I introduce a bug or something”?
Answer is probably “no”.
Many things depend on WP_Query within WordPress. It has some out of the box functionality that you may not know about.