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How to keep index when using pandas merge
I would like to merge two DataFrames , and keep the index from the first frame as the index on the merged dataset. However, when I do the merge, the resulting DataFrame has integer index. How can I specify that I want to keep the index from the left data frame?
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How do I deal with certificates using cURL while trying to access an HTTPS url?
...file which was caused by missing certificate ( Could not load certificates from ... ).
– Marinos An
Oct 1 '19 at 10:02
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How to call multiple JavaScript functions in onclick event?
...ence to unobtrusive JS, I've come across this before, and I should refrain from writing obtrusive JS just because I'm lazy! xD
– Qcom
Oct 12 '10 at 0:19
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Why use HttpClient for Synchronous Connection
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@earthling, yes, Task.Run invokes the task from a ThreadPool, but you are calling .Result on it killing all the benefits from this and blocking the thread in which you called this .Result (which usually happens to be the main UI thread).
– Darin ...
How can I use map and receive an index as well in Scala?
...h{ case (e, i) => println(i+" "+e) }
0 Mary
1 had
2 a
3 little
4 lamb
From: http://www.artima.com/forums/flat.jsp?forum=283&thread=243570
You also have variations like:
for((e,i) <- List("Mary", "had", "a", "little", "lamb").zipWithIndex) println(i+" "+e)
or:
List("Mary", "had", "a...
Why does document.querySelectorAll return a StaticNodeList rather than a real Array?
...still can't find an answer, so I thought I'd cross-post on SO the question from this blog:
6 Answers
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Allowed characters in filename [closed]
...at only because I was bitten by that once when I shortened an include file from const.h to con.h and spent half an hour figuring out why the compiler hung.
Turns out DOS ignored extensions for devices so that con.h was exactly the same as con, the input console (meaning, of course, the compiler was...
Why is a ConcurrentModificationException thrown and how to debug it
...y the set of keys and iterate through them, getting the value for each key from the original map.
– Chochos
Aug 31 '10 at 14:44
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Is it possible to use argsort in descending order?
...ve that the big elements are coming last in the argsort. So, you can read from the tail of the argsort to find the n highest elements:
avgDists.argsort()[::-1][:n]
Both methods are O(n log n) in time complexity, because the argsort call is the dominant term here. But the second approach has a ...
How to check if AlarmManager already has an alarm set?
...ar alarm (registered via AlarmManager) is already set and running. Results from google seem to indicate that there is no way to do this. Is this still correct? I need to do this check in order to advise the user before any action is taken to create a new alarm.
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