Scrape multiple pages with BeautifulSoup and Python
My code successfully scrapes the tr align=center tags from [ http://my.gwu.edu/mod/pws/courses.cfm?campId=1&termId=201501&subjId=ACCY ] and writes the td elements to a text file.
My code successfully scrapes the tr align=center tags from [ http://my.gwu.edu/mod/pws/courses.cfm?campId=1&termId=201501&subjId=ACCY ] and writes the td elements to a text file.
With ElementTree in Python, how can I extract all the text from a node, stripping any tags in that element and keeping only the text?
I am looking for a good Tree data structure class. I have come across this package, but since I am relatively new to Python (not programming), I dont know if there are any better ones out there. I’d like to hear from the Pythonistas on here – do you have a favorite tree script that … Read more
Other than the standard +, -, *and / operators; but what does these mean (** , ^ , %, //) ? >>> 9+float(2) # addition 11.0 >>> 9-float(2) # subtraction 7.0 >>> 9*float(2) # multiplication 18.0 >>> 9/float(2) # division 4.5 >>> >>> 9**float(2) # This looks like a square, (i.e. power 2) 81.0 >>> … Read more
I’m doing different text classification experiments. Now I need to calculate the AUC-ROC for each task. For the binary classifications, I already made it work with this code:
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How do you convert a grayscale OpenCV image to black and white? I see a similar question has already been asked, but I’m using OpenCV 2.3, and the proposed solution no longer seems to work.
How do I catch a Ctrl+C in multiprocess python program and exit all processes gracefully, I need the solution to work both on unix and windows. I’ve tried the following: import multiprocessing import time import signal import sys jobs = [] def worker(): signal.signal(signal.SIGINT, signal_handler) while(True): time.sleep(1.1234) print "Working…" def signal_handler(signal, frame): print 'You pressed … Read more
It seems rare to read of a Python “virtual machine” while in Java “virtual machine” is used all the time.
How do I add an item to an existing dictionary in Python? For example, given: default_data = { 'item1': 1, 'item2': 2, } I want to add a new item such that: default_data = default_data + {'item3': 3} Answers: Thank you for visiting the Q&A section on Magenaut. Please note that all the answers may … Read more