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Andrew S.
Computer Science Tutor
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PHP Programming
TutorMe
Question:

What is the difference between !empty() and isset()?

Andrew S.
Answer:

!empty will return false if a variable is set to null, where as isset will return true.

jQuery Programming
TutorMe
Question:

How do you use Jquery to iterate over a set of objects

Andrew S.
Answer:

$(selector).each(function(){ });

C Programming
TutorMe
Question:

How do you get the address of a variable, and how do you get a value at an address?

Andrew S.
Answer:

The ampersand is used to get an address of a variable and the asterisk is used to dereference a variable from an address.

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