WebCode commenting is the practice of sprinkling short, normally single-line notes throughout your code. These notes are called comments. They explain how your program works, … WebHere are the best practices related to commenting code. 1. Do Not Duplicate the Code with a Comment. Beginner coders tend to write a bunch of comments. In some programming courses, commenting code is even recommended. This is because as a beginner, code comments may help you understand your code a bit better.
How to comment code meaningfully: a best practice guide
WebApr 13, 2024 · 1. Start with a plan. One of the best ways to write better code is to start with a plan. Before you start coding, take a few minutes to think about what you want your code to do. Don’t just jump ... Many junior programmers write too many comments because they were trained to do so by their introductory instructors. I’ve seen students in upper-division computer science classes add a comment to each closed brace to indicate what block is ending: I’ve also heard of instructors requiring students to comment every … See more Another misuse of comments is to provide information that should have been in the code. A simple example is when someone names a variable … See more The most infamous comment in the Unix source code is “You are not expected to understand this,” which appeared before some hairy context-switching code. Dennis Ritchie later explained that it was intended “in the spirit of ‘This … See more It’s a good idea to comment code that someone else might consider unneeded or redundant, such as this code from App Inventor(the source of all of my positive examples): Without the comment, someone might … See more No discussion of bad comments would be complete without this story from Steven Levy’s Hackers: Heroes of the Computer Revolution: While I appreciate a good hack as much as the next person, this is not exemplary. If … See more rotblood tribe
Are comments in code a good or bad thing? - Quora
WebWhen it comes to code comments, this generally takes the form of adages about expressing the why in comments. For example, consider this pithy rule of thumb from the Stack Overflow thread. Good programmers … WebJun 4, 2024 · 1. Documentation comments - The main purpose of these comments is to quickly clarify the purpose of a file or component. Instead of reading a component’s … WebSep 1, 2014 · Don’t comment bad code—rewrite it. If you have long, convoluted sections in your code, you have failed to keep your code clean. The best solution to this problem isn't to write a paragraph-long comment at the top of the file to help future developers muddle through it; the best solution is to rewrite it. And this is exactly what Martin says: st party decorations