A common simple interview question is to explain the difference between “call by value” and “call by reference”. This refers to the way arguments are passed to functions. In call by value, a copy of the argument is made and given to the function so that any changes made to the argument affect only the …
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This problem is almost too simple to mention, but it has actually been asked of me in an interview, so I’ll go ahead and address it. Problem: detect if a given string is a palindrome. Be sure to ignore case, spaces, and punctuation characters. Solution: Start by setting references to the first and last characters. …
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In interviews for programming positions, it is common for the interviewer to present a small programming problem and see what kind of solution the candidate comes up with. These problems help to reveal how the candidate thinks about solving problems, and also provide a chance to show basic coding competency. These problems can also be …
Nothing too fancy here, but potentially useful to people. The other day a forum I maintain needed a way for users to add a countdown timer to their posts, so I wrote this bit of Javascript and added it as a new BBCode. Feel free to use it and share it. The help text [countdown]year, …