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How do you put all codes in a comment?
The single line comment is //. Everything from the // to the end of the line is a comment. To mark an entire region as a comment, use /* to start the comment and */ to end the comment.
How do you comment an entire block of code?
If you just highlight the code you want to comment out and go to Edit –> Box-Comment. It’ll do it all for you.
How do I comment all lines in a file?
Commenting Multiple Lines Go to the line from which you want to start commenting. Then, press ctrl + v , this will enable the visual block mode. use the down arrow to select multiple lines that you want to comment. Now, press SHIFT + I to enable insert mode.
What are the best practices for commenting your code?
Here are some rules to help you achieve a happy medium:
- Rule 1: Comments should not duplicate the code.
- Rule 2: Good comments do not excuse unclear code.
- Rule 3: If you can’t write a clear comment, there may be a problem with the code.
- Rule 4: Comments should dispel confusion, not cause it.
How do you add a comment in VS Code?
First, place your cursor where you’d like to add the comment. Then, use the VS Code comment shortcut that corresponds to your platform below. On Windows, the shortcut is: CTRL + /. On Mac, the shortcut is: Command + /. The VSCode comment shortcut Mac is very similar to the Windows version.
How to mark a line as a comment in Python?
Python Comment Basics To mark a line as a comment, start the line with a hash sign and a space: # This is a sample comment. Using the hash sign to start the line tells the system to ignore everything on that line.
When to use the comment symbol on each line?
If your comment requires more than one line, use the comment symbol on each line, as the following example illustrates. ‘ This comment is too long to fit on a single line, so we break ‘ it into two lines.
How does commenting work in a JSON file?
Keep in mind that the comment is only a comment in the eyes of the developer—not the computer. This JSON commenting practice is different from comments in programming languages, like Python, which are typically ignored when the program runs. When we run the Python program above, we get the letters in the word, “house.” But we don’t see the comment.