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.

Is Commenting code good practice?

It’s a bad practice that creates only more confusion than clarifies things. So, yes – you should be bothered with writing meaningful code comments to help other developers. There’s a significant group of developers that advocate against writing code comments. The reason being that code should be self-explanatory.

What is the importance of having a comment in an assembly programming code?

You need the comments when debugging, for example, to check that you have a correct algorithm and to check that the assembly language code implements it correctly.

When should you comment in code?

A handy rule of thumb is: a comment should only be added to answer a question that the code can’t. If you aren’t confused by what a piece of code is doing, but rather why it’s doing it at that moment, then a comment should be added.

Are code comments 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.

What is the purpose of adding a comment in the program What are the two ways used to add the comments in Python?

In Python, there are two ways to annotate your code. The first is to include comments that detail or indicate what a section of code – or snippet – does. The second makes use of multi-line comments or paragraphs that serve as documentation for others reading your code.

Why are comments useful?

They can easily understand the logic behind solving any problem. If you see/edit code later, comments may help you to memorize your logic that you have written while writing that code. Writing comments may take time, but it maintains the international coding standards.

Do HTML comments affect performance?

3 Answers. It will still increase your page size, but shouldn’t be a problem. Having 10000 lines of commented-out HTML is going to be a problem though, but keeping your comments small, should not increase the page size by too much.

Does commented code affect website performance?

The short answer is yes. It does because it will add to the overall size of the document and affect the download time for the html or css file. That being said, if you have a few lines commented out it’s not a big deal. If you have a few hundred lines of comments then you may see a slight change in load time.

How do you comment effectively in code?

13 Tips to Comment Your Code

1. Comment each level. Comment each code block, using a uniform approach for each level.
2. Use paragraph comments.
3. Align comments in consecutive lines.
4. Don’t insult the reader’s intelligence.
5. Be polite.
6. Get to the point.
7. Use a consistent style.
8. Use special tags for internal use.

What is the importance of comments in coding?

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.

Where should comments be placed in a C program?

Comments should occur in the following places: 1 The top of any program file. This is called the “Header Comment”. 2 Above every function. 3 In line Any “tricky” code where it is not immediately obvious what you are trying to accomplish, should have comments right above it or on the same line with it.

Do all programming languages have the same way of commenting?

Each programming language has a different way of commenting in the source code. PHP and HTML and JavaScript and C# all have slightly different symbols that begin and end code. While there are some language-specific practices, too, there are more shared than not.

How do you write a comment for a function?

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”.