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Does commented out code affect performance?
4 Answers. Commenting will not affect the script execution time in normal case. But the number of lines you write in your code affect the parser to read and buffer it considerably.
What does it mean when code is commented out?
To disable lines of code in a program by surrounding them with comment-start and comment-stop characters. Also called “remmed out.” See comments.
Why is it important to include documentation comments?
Documentation will be nice to understand the function at a higher level, but developers will care more about how the function actually works. Comments will help developers follow along with the code and give insight into the thought process of the original author. Comments also allow collaborators to communicate to …
Does commented code affect performance Python?
And Python does exactly that. We could say that the code and the comments, in the form you wrote them, are simply not present, when the program is running. So no, comments do not slow down the programs at run-time.
What is a code comment CodeHS?
CodeHS Glossary A message in your code that explains what is going on. Since other people will read through your code, it is helpful to leave messages explaining what is happening in your code.
What should be included in commented out code?
Commented-out code should ALWAYS be accompanied by a comment that says why it is commented out (and not just deleted) and gives the expected lifetime of the commented-out code. For example, “The following code does more harm than good, so is commented out, but needs to be replaced before release XXX.”
Is it necessary to comment out dead code?
For the most part, commenting out dead code is unnecessary in a well-managed change-controlled system. But, not all commented code is “dead.” Yes – that Jake. Yes – that Jake. Commented out code should never be checked-in for the purpose of maintaining history. That is the point of source control. People are talking a lot of ideals here.
Is it good to put documentation in code?
The further removed from the source code your API documentation is, the more likely it is to become outdated or inaccurate over time. A good strategy to mitigate this is to embed the documentation directly into the code and then use a tool to extract it. Here’s an example of a documentation comment from a popular JavaScript library called Lodash.
Why do you put clarification comments in your code?
Clarification comments are intended for anyone (including your future self) who may need to maintain, refactor, or extend your code. Often, a clarification comment is a code smell. It tells you that your code is too complex. You should strive to remove clarification comments and simplify the code instead because, “good code is self-documenting.”