Refactoring
Most good IDEs, and development-focused text editors, for that matter, feature some level of tooling for refactoring. Refactoring is a very important practice that is often neglected. In my book, which is available on Amazon (or wherever the finest technical books are sold), Real-World Implementation of C# Design Patterns, I cover some of the entropic forces that lead a well-intended coding project to ruin. Your code starts off pristine, and the whole team commits to maintaining zero technical debt. But it never lasts. Factors such as time pressure, developer skill level, inevitable change, visibility, and complexity cause a process of devolution. Your code goes from a well-constructed, perfectly architected masterpiece to a big ball of mud on a plate of spaghetti!
I realize that I am pointing to a C# book here, but if you have a Packt subscription, I urge you to read the first two chapters of the book. The chapters discuss the common problems and preventions of work...