As already pointed out in a comment: the site has a bad SSL implementation as can be seen from the SSLLabs report. The main part of this report regarding your problem is: This server’s certificate chain is incomplete. Grade capped to B. This means that the server is not sending the full certificate chain as is … Read more
@bogatron has it right, you can use where, it’s worth noting that you can do this natively in pandas: Note: this changes the dtype of all columns to object. Example: Note: what you cannot do recast the DataFrames dtype to allow all datatypes types, using astype, and then the DataFrame fillna method: Unfortunately neither this, nor using replace, works with None see this (closed) issue. As an aside, … Read more
Nope, BeautifulSoup, by itself, does not support XPath expressions. An alternative library, lxml, does support XPath 1.0. It has a BeautifulSoup compatible mode where it’ll try and parse broken HTML the way Soup does. However, the default lxml HTML parser does just as good a job of parsing broken HTML, and I believe is faster. … Read more
I would just use.. ..it’s simple, and it works. Note that it will still throw OverflowError if element is e.g. 1<<1024. Another option would be a regular expression:
The negation operator in Python is not. Therefore just replace your ! with not. For your example, do this: For your specific example (as Neil said in the comments), you don’t have to use the subprocess module, you can simply use os.mkdir() to get the result you need, with added exception handling goodness. Example:
On Windows, if you want to just make the computer make a beep sound: The winsound.Beep() can be used wherever you want the beep to occur.
Although you need a pair of parentheses to print in Python 3, you no longer need a space after print, because it’s a function. So that’s only a single extra character. If you still find typing a single pair of parentheses to be “unnecessarily time-consuming,” you can do p = print and save a few characters that way. … Read more
If you know the full path to the file you can just do something similar to this. However if you question directly relates to relative paths, that I am unfamiliar with and would have to research and test. Edit: Here is a way to do it relatively instead of absolute. Not sure if this works … Read more
Calling sys.exit with a string will work. The docs mention this use explicitly: In particular, sys.exit(“some error message”) is a quick way to exit a program when an error occurs.
either: or, .reset_index: so, if you have a multi-index frame with 3 levels of index, like: and you want to convert the 1st (tick) and 3rd (obs) levels in the index into columns, you would do: