How to add header row to a pandas DataFrame

I am reading a csv file into pandas. This csv file constists of four columns and some rows, but does not have a header row, which I want to add. I have been trying the following: Cov = pd.read_csv(“path/to/file.txt”, sep=’\t’) Frame=pd.DataFrame([Cov], columns = [“Sequence”, “Start”, “End”, “Coverage”]) Frame.to_csv(“path/to/file.txt”, sep=’\t’) But when I apply the code, … Read more

Request header field Access-Control-Allow-Headers is not allowed by Access-Control-Allow-Headers

I’m trying to send files to my server with a post request, but when it sends it causes the error: Request header field Content-Type is not allowed by Access-Control-Allow-Headers. So I googled the error and added the headers: $http.post($rootScope.URL, {params: arguments}, {headers: { “Access-Control-Allow-Origin” : “*”, “Access-Control-Allow-Methods” : “GET,POST,PUT,DELETE,OPTIONS”, “Access-Control-Allow-Headers”: “Content-Type, Access-Control-Allow-Headers, Authorization, X-Requested-With” } … Read more

What is the common header format of Python files?

I came across the following header format for Python source files in a document about Python coding guidelines: #!/usr/bin/env python “””Foobar.py: Description of what foobar does.””” __author__ = “Barack Obama” __copyright__ = “Copyright 2009, Planet Earth” Is this the standard format of headers in the Python world? What other fields/information can I put in the … Read more