Part 20 of the Perl Tutorial shows the functions length, substr, index and rindex.
Tutorial on void functions in C++.
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A short video introduction to functions/methods and videos in ruby. Supports 15-110 principles of computing course at CMU. Part 18 of the Perl Tutorial explains the split and join functions. Part 13 of the Perl Tutorial explains the functions map and grep. Examples of how they can be applied to arrays.
Part 5 – The title says it all… Function and Modules!!!
This is my first javascript tutorial, I decided to make it on functions since it’s an important part of javascript.