How do you write a good comment in code?

How do you write a good comment in code?

Primarily, a single “block” comment should be placed at the top of the function (or file) and describe the purpose the code and any algorithms used to accomplish the goal. In-line comments should be used sparingly, only where the code is not “self-documenting”.

How do you comment in a paragraph?

Press Ctrl + /

1. Select all the lines that you would like to be commented.
2. Press Ctrl + / Two slashes “//” will be added to the front of each line, causing them to be recognized as a comment.

What does it mean to comment code?

Code 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, and your intentions behind it.

Why comments are important in coding?

Comments are text notes added to the program to provide explanatory information about the source code. They are used in a programming language to document the program and remind programmers of what tricky things they just did with the code and also helps the later generation for understanding and maintenance of code.

Are comments in code necessary?

While it’s true that humans need to be able to comment code, it is not absolutely necessary that the language directly support commenting: for most languages, it would be trivial to write a script that deletes one line comments (for example, all lines beginning with ‘#’ or some other character) then runs the compiler.

How much should I comment my code?

You should comment exactly as much as you love your work! If you love your code a lot; go ahead and write your heart out all over the code. If you do not love your code at all, please do not write any comments, no one needs any more from you!

How do you leave notes in code?

HTML comment Tag: Main Tips

1. The is an HTML comment tag.
2. To comment out in HTML, insert information between tags (browsers won’t show these notes).
3. Commenting in HTML allows developers to leave notes about their code, its functionality or to indicate necessary changes for the future.

How do you comment like a pro?

Paper 101: Comment like a pro

1. Select some text, then click the word bubble to add a comment.
2. Hover in the right margin, and click a word bubble to comment on an entire paragraph.
3. @mention anyone—inside or outside your team—to add them to the doc.
4. Click the smiley face in the comment field to reply with a sticker.

What does comment out mean in coding?

(programming) To temporarily disable a section of source code by converting it into a comment. …

How do you write comments in Python?

Comments in Python begin with a hash mark ( # ) and whitespace character and continue to the end of the line. Because comments do not execute, when you run a program you will not see any indication of the comment there. Comments are in the source code for humans to read, not for computers to execute.

What is comment in Python with example?

A comment in Python starts with the hash character, # , and extends to the end of the physical line. A hash character within a string value is not seen as a comment, though. To be precise, a comment can be written in three ways – entirely on its own line, next to a statement of code, and as a multi-line comment block.

Why do we use comments in Python?

Comments can be used to explain Python code. Comments can be used to make the code more readable. Comments can be used to prevent execution when testing code.

What are the two types of comments in Python?

There are two types of commenting features available in Python: These are single-line comments and multi-line comments.

How do you comment in VS code?

Usage

1. Toggle comment/uncomment. Mac: cmd+/ Windows: ctrl+/
2. To comment. Mac: cmd+k cmd+c. Windows: ctrl+k ctrl+c.
3. Uncomment. Mac: cmd+k cmd+u. Windows: ctrl+k ctrl+u.