Some names in immature languages break the [bijection] principle. Avoid ambiguous or bad names. Wrap with your functions. Use mature languages. Don't use *replace()* instead of *replaceAll()* in your code. Use *replaceFirst()* if you need to change only the first occurrence.
Walkthroughs, tutorials, guides, and tips. This story will teach you how to do something new or how to do something better.