How do you effectively comment code?
13 Tips to Comment Your Code
- Comment each level. Comment each code block, using a uniform approach for each level.
- Use paragraph comments.
- Align comments in consecutive lines.
- Don’t insult the reader’s intelligence.
- Be polite.
- Get to the point.
- Use a consistent style.
- Use special tags for internal use.
Are comments in code necessary?
Good comments compliment your code, while bad ones pull readers away from the main points. Before putting any comments, ask yourself whether it would serve any purposes rather than distract people from comprehending your program. Good codes have rhythm while mediocre codes have a lot of pauses.
Are comments a code smell?
If you write code comments as the last option to improve your code, it will force you to improve your self-documenting skills first. That’s why it should be considered a smell. A code comment is a piece of human-readable text that is written in the source to explain something about the code.
Can you over comment code?
Over-commented code is often more difficult to understand than code without comments. Little notes back and forth from all the different maintainers of a project can often get cluttered. You spend more time reading the comments than you do the actual code.
What is the correct way to code a comment in HTML?
To write HTML comments put — and —> at either end of the comment. HTML comments are notes to keep HTML code organized and are ignored by the browser.
Why do adding comments to code is highly recommended?
Links to standards and other documentation can help readers understand the problem your code is solving. While this information may be somewhere in a design document, a well-placed comment gives readers the pointer when and where it is most needed.
Is comments in code good or bad?
Commenting code is on the generally-recognized list of code smells. But unlike most of the others on the list, comments are not always bad. Generally speaking, you should strive to minimize comments and let the code speak for itself, but it is just as important to include comments when the code cannot.
How do I know if my code is bad?
Uncle Bob defines bad code as code that has the following attributes:
- Rigidity. This refers to code being difficult to change.
- Fragility.
- Immobility.
- Viscosity.
Are code comments good?
Why do we comment code?
Commenting involves placing Human Readable Descriptions inside of computer programs detailing what the Code is doing. Proper use of commenting can make code maintenance much easier, as well as helping make finding bugs faster. Further, commenting is very important when writing functions that other people will use.
How do you leave notes in code?
Popular editors such as Visual Studio Code can comment codes and just add comments or notes this way: Highlight codes and/or notes. Press Ctrl + Shift + / (Windows) or Command + / (Mac).
Are code comments bad?
How do you read and understand someone else’s code?
Let’s start at the beginning. What’s the best way to read and understand someone else’s code? The best way I’ve ever discovered to read and understand someone else’s code is to: 1. Find one thing you know the code does, and trace those actions backward, starting at the end.
What happens when you read more code?
And the faster you’re able to do it. It’s a wonderfully self-perpetuating cycle: you read more code; you gain the ability to understand it quicker and more effectively; so you are able to consume even more code; and so on. And it doesn’t stop there: you’ll also see huge positive gains in your own coding.
Why is it important to understand the full body of code?
The reason that works well is that, in all cases, a body of code is designed to tackle one (or more) complex problems. So you’ll always have those “chains of actions” throughout. And the more you can gain an understanding of how different parts of the code are connected, the more you’ll develop an understanding of the entire codebase, as a whole.