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Changing a specific column name in pandas DataFrame
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A one liner does exist:
In [27]: df=df.rename(columns = {'two':'new_name'})
In [28]: df
Out[28]:
one three new_name
0 1 a 9
1 2 b 8
2 3 c 7
3 4 d 6
4 5 e ...
Multiple contexts with the same path error running web service in Eclipse using Tomcat
...e same line, but outside the viewport and really far away from the visible one.
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How to sort a dataframe by multiple column(s)
... z = c(1, 1, 1, 2))
library(taRifx)
sort(dd, f= ~ -z + b )
If you are one of the original authors of this function, please contact me. Discussion as to public domaininess is here: http://chat.stackoverflow.com/transcript/message/1094290#1094290
You can also use the arrange() function from p...
Correct way to convert size in bytes to KB, MB, GB in JavaScript
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var decimal = 3; // Change as required
var kiloBytes = marker; // One Kilobyte is 1024 bytes
var megaBytes = marker * marker; // One MB is 1024 KB
var gigaBytes = marker * marker * marker; // One GB is 1024 MB
var teraBytes = marker * marker * marker * marker; // One TB is 1024 ...
Can you use reflection to find the name of the currently executing method?
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For non-async methods one can use
System.Reflection.MethodBase.GetCurrentMethod().Name;
https://docs.microsoft.com/en-us/dotnet/api/system.reflection.methodbase.getcurrentmethod
Please remember that for async methods it will return "MoveNext"....
What is the idiomatic Go equivalent of C's ternary operator?
... @tomwilde your solution looks pretty interesting, but it lacks one of the main features of ternary operator - conditional evaluation.
– Vladimir Matveev
Nov 14 '13 at 18:13
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What does jquery $ actually return?
...ll the special jQuery methods.
It never returns null, or another type. If one element is found, the jQuery object will have only one child. If no elements are found, the jQuery object will be empty.
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Having Django serve downloadable files
...ded string. Thus for example "Örinää.mp3" file cannot be served. And if one omits the smart_str, the Django itself throws ascii encoding error because all headers are encoded to ascii format before sending. Only way that I know of to circumvent this problem is to reduce X-sendfile filenames to on...
What is the difference/usage of homebrew, macports or other package installation tools? [closed]
...OS X uses 2.2), PHP and all the extensions you need, then upgrade all with one command. Forget to do the same with Homebrew.
MacPorts support groups.
foo@macpro:~/ port select --summary
Name Selected Options
==== ======== =======
db none db46 none
gcc ...
Why can't I forward-declare a class in a namespace using double colons?
...space - it is a completely different class that has nothing to do with the one you declared here.
Once you get to the point of defining the pre-declared class, you don't need to "reopen" the namespace again. You can define it in the global namespace (or any namespace enclosing your Namespace) as
c...