In web2py SQLFORM grid, numbers are shown unformatted and left-aligned. It will be better if the numbers or money values are currency formatted, to make it easier to read. And better yet if those numbers right-aligned in the grid / table. We can use represent in models to do the job, like:More
Without the compression tool itself, we can identify the type of compression file by its extension, whether it’s a ZIP, RAR, 7Z, etc.
And the other way is by reading some bytes of the top part of the file. Each compression tool’s type has its own signature, usually in the first some bytes, which we can see if we open the file in Hex View as image above.More