How to comment and uncomment blocks of code in the Office VBA Editor

In the VBA editor, go to View, Toolbars, Customise… or right click on the tool bar and select Customise… Under the Commands tab, select the Edit menu on the left. Then approximately two thirds of the way down there’s two icons, Comment Block and Uncomment Block. Drag and drop these onto your toolbar and then you have easy access to highlight a block of code, and comment … Read more

What is the common header format of Python files?

Its all metadata for the Foobar module. The first one is the docstring of the module, that is already explained in Peter’s answer. How do I organize my modules (source files)? (Archive) The first line of each file shoud be #!/usr/bin/env python. This makes it possible to run the file as a script invoking the … Read more

Is it possible to have a multi-line comments in R?

You can, if you want, use standalone strings for multi-line comments — I’ve always thought that prettier than if (FALSE) { } blocks. The string will get evaluated and then discarded, so as long as it’s not the last line in a function nothing will happen. The main limitation is that when you’re commenting stuff out, you’ve … Read more

Is ‘# -*- coding: utf-8 -*-‘ also a comment in Python?

Yes, it is also a comment. And the contents of that comment carry special meaning if located at the top of the file, in the first two lines. From the Encoding declarations documentation: If a comment in the first or second line of the Python script matches the regular expression coding[=:]\s*([-\w.]+), this comment is processed as an encoding declaration; the … Read more

How to “comment-out” (add comment) in a batch/cmd?

The rem command is indeed for comments. It doesn’t inherently update anyone after running the script. Some script authors might use it that way instead of echo, though, because by default the batch interpreter will print out each command before it’s processed. Since rem commands don’t do anything, it’s safe to print them without side effects. To avoid printing a command, prefix … Read more

Comments in Markdown

I believe that all the previously proposed solutions (apart from those that require specific implementations) result in the comments being included in the output HTML, even if they are not displayed. If you want a comment that is strictly for yourself (readers of the converted document should not be able to see it, even with … Read more

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