Salesforce Something about number rounding Have you ever thought of how the setScale() method works in Salesforce? If you are not sure, please have a look at this post!
Algorithm Implement a square root function? Do you know how to implement a square root function without using native library function? If not, please read on!
Algorithm Reverse an integer? Reverse string and integer are very popular questions in interview. It can be very simple but it could be very tricky if you don't get your head right.
