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python dataframe pandas drop column using int

... columns with identical names, the solutions given here so far will remove all of the columns, which may not be what one is looking for. This may be the case if one is trying to remove duplicate columns except one instance. The example below clarifies this situation: # make a df with duplicate col...
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Detect application heap size in Android

How do you programmatically detect the application heap size available to an Android app? 9 Answers ...
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How to create Windows EventLog source from command line?

... whilst this worked and created a new source all my events all had "The description for Event ID 0 from source myApp cannot be found. Either the component that raises this event is not installed on your local computer or the installation is corrupted" so I had to edit t...
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Putting a simple if-then-else statement on one line [duplicate]

I'm just getting into Python and I really like the terseness of the syntax. However, is there an easier way of writing an if - then - else statement so it fits on one line? ...
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How to get JSON from webpage into Python script

... Get data from the URL and then call json.loads e.g. Python3 example: import urllib.request, json with urllib.request.urlopen("http://maps.googleapis.com/maps/api/geocode/json?address=google") as url: data = json.loads(url.read().decode()) print(d...
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How to check if a line is blank using regex

... Actually in multiline mode a more correct answer is this: /((\r\n|\n|\r)$)|(^(\r\n|\n|\r))|^\s*$/gm The accepted answer: ^\s*$ does not match a scenario when the last line is blank (in multiline mode). ...
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Delete forked repo from GitHub

... git and GitHub and there's a project I'm watching on GitHub. I unintentionally clicked to fork it. Now it appears as a new project to me. ...
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Block comments in html.erb templates in rails

... =begin I think the begin - end would be all =end # You may ignore my comment as its entirely commented :P – Garfield Jun 27 '10 at 17:45 3 ...
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What is the difference between a weak reference and an unowned reference?

...a.k.a. they don't increase the retain count in order to prevent ARC from deallocating the referred object). But why two keywords? This distinction has to do with the fact that Optional types are built-in the Swift language. Long story short about them: optional types offer memory safety (this works ...
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.htm vs .html ? Which file extension naming is more correct? [closed]

...ays use the shorter .htm for our file names since file extensions are typically 3 characters long. AND MORE ON: http://www.sightspecific.com/~mosh/WWW_FAQ/ext.html or http://www.sightspecific.com/~mosh/WWW_FAQ/ext.htm I think I should add this part here: There is one single slight difference betw...