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python pandas remove duplicate columns
... solution to the problem. This applies if some column names are duplicated and you wish to remove them:
df = df.loc[:,~df.columns.duplicated()]
How it works:
Suppose the columns of the data frame are ['alpha','beta','alpha']
df.columns.duplicated() returns a boolean array: a True or False for e...
Check if SQL Connection is Open or Closed
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+1 exactly - use the SqlConnectionState enum as an enum and not turn it into a string.....
– marc_s
Aug 4 '11 at 15:19
4
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How to obtain Signing certificate fingerprint (SHA1) for OAuth 2.0 on Android?
I'm trying to register my android app following the steps in https://developers.google.com/console/help/#installed_applications which leads me to follow
http://developer.android.com/tools/publishing/app-signing.html .
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Wait for page load in Selenium
...if your code executes too fast the previous page might not be unloaded yet and it will return true even though you are still on the old page. What you need to do is wait for the current page to unload and then call your above code. A way to detect page unload is to get a webelement on the current pa...
Why doesn't os.path.join() work in this case?
The below code will not join, when debugged the command does not store the whole path but just the last entry.
14 Answers
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Replace console output in Python
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An easy solution is just writing "\r" before the string and not adding a newline; if the string never gets shorter this is sufficient...
sys.stdout.write("\rDoing thing %i" % i)
sys.stdout.flush()
Slightly more sophisticated is a progress bar... this is something I am using:
d...
Generating a PNG with matplotlib when DISPLAY is undefined
...st trying to import pyplot, you need to import matplotlib first, call use, and than import pyplot.
– seaotternerd
Nov 8 '13 at 9:15
8
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Javascript heredoc
... answered Dec 7 '10 at 12:16
Andrew HareAndrew Hare
310k6363 gold badges611611 silver badges614614 bronze badges
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Check if object value exists within a Javascript array of objects and if not add a new object to arr
... answered Apr 3 '14 at 17:21
AndyAndy
37.7k77 gold badges5252 silver badges7676 bronze badges
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New lines inside paragraph in README.md
When editing an issue and clicking Preview the following markdown source:
4 Answers
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