Does `if ($thing)` differ from `if (-not $thing)` in PowerShell?
When checking whether a command returned something and using exit codes, is there any meaningful difference between these two forms? $thing = Get-Thing if ($thing) { Exit 1…
logical operators
Are PHP’s `||` and `or` operators interchangeable? What about `` and `!=`?
I'm learning PHP and noticed that `||` and `or` both seem to represent logical OR. I also found that `` and `!=` appear to mean "not equal." Are…
Are PHP’s || and or operators equivalent, and what’s the difference between and !=?
I'm learning PHP and noticed that both || and the word or are used for logical conditions. They seem to produce the same result in simple examples. I…