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How to shift a column in Pandas DataFrame
... do it from the documentation without rewriting the whole DF. Does anyone know how to do it?
DataFrame:
7 Answers
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How do I get only directories using Get-ChildItem?
...ymlinks, specify the -FollowSymlink switch with -r.
Note 2: PowerShell is now cross-platform, since version 6.0. The cross-platform version was originally called PowerShell Core, but the the word "Core" has been dropped since PowerShell 7.0+.
Get-ChildItem documentation: https://docs.microsoft.com...
Python 2.7 getting user input and manipulating as string without quotations
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Although for anyone reading this using Python 3, input now works this way, and raw_input is gone.
– Thomas K
Feb 10 '11 at 17:35
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get string value from HashMap depending on key name
...();
Then,key in map is of type Character data type and value of int type.Now,to get value corresponding to key irrespective of type of key,value type, syntax is :-
char temp = 'a';
if(hs.containsKey(temp)){
` int val = hs.get(temp); //val is the value corresponding to key temp
}...
What is the correct XPath for choosing attributes that contain “foo”?
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xmlme.com now redirects to some other host and does not appear to host the tool or anything like it.
– jpmc26
Dec 6 '17 at 19:28
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Quick unix command to display specific lines in the middle of a file?
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I found two other solutions if you know the line number but nothing else (no grep possible):
Assuming you need lines 20 to 40,
sed -n '20,40p;41q' file_name
or
awk 'FNR>=20 && FNR<=40' file_name
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Length of a JavaScript object
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This doesn't have to modify any existing prototype since Object.keys() is now built in.
Edit: Objects can have symbolic properties which can not be returned via Object.key method. So the answer would be incomplete without mentioning them.
Symbol type was added to the language to create unique ide...
How do you convert a time.struct_time object into a datetime object?
...9, tm_hour=23, tm_min=57, tm_sec=42, tm_wday=0, tm_yday=252, tm_isdst=0)
Now note what you actually get with the "published" field.
Mon, 09 Sep 2013 19:57:42 -0400
By Stallman's Beard! Timezone information!
In this case, the lazy man might want to use the excellent dateutil module to keep the ...
Is there a /dev/null on Windows?
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2 of the links here are now broken. :(
– Michael Foukarakis
Jan 1 at 8:12
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Disable submit button when form invalid with AngularJS
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Sorry, I use it now. Yet, it is still disabled even when the textbox contains text
– ali
Mar 8 '13 at 17:44
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