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How to plot two columns of a pandas data frame using points?
...specify the style of the plotted line when calling df.plot:
df.plot(x='col_name_1', y='col_name_2', style='o')
The style argument can also be a dict or list, e.g.:
import numpy as np
import pandas as pd
d = {'one' : np.random.rand(10),
'two' : np.random.rand(10)}
df = pd.DataFrame(d)
df....
ASP.NET MVC - Attaching an entity of type 'MODELNAME' failed because another entity of the same type
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Problem SOLVED!
Attach method could potentially help somebody but it wouldn't help in this situation as the document was already being tracked while being loaded in Edit GET controller function. Attach would throw exactly the same error.
The issue I encounter here was caused by function ca...
What is the JSF resource library for and how should it be used?
... how should this be used? There are a lot of examples on the web which use it as follows with the common content/file type css , js and img (or image ) as library name depending on the tag used:
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Abort makefile if variable not set
...e lines.
Generic solution
In case you're going to test many variables, it's worth defining an auxiliary function for that:
# Check that given variables are set and all have non-empty values,
# die with an error otherwise.
#
# Params:
# 1. Variable name(s) to test.
# 2. (optional) Error mess...
Error handling in Bash
What is your favorite method to handle errors in Bash?
The best example of handling errors I have found on the web was written by William Shotts, Jr at http://www.linuxcommand.org .
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Safari 3rd party cookie iframe trick no longer working?
... in Safari was as follows: use some javascript to POST to a hidden iframe. It (used to) trick Safari into thinking that the user had interacted with the 3rd party content and so then allow cookies to be set.
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Python 2.7: Print to File
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from __future__ import print_function
But you can have the same effect without using the function, too:
print >>f1, 'This is a test'
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boost::flat_map and its performance compared to map and unordered_map
It is common knowledge in programming that memory locality improves performance a lot due to cache hits. I recently found out about boost::flat_map which is a vector based implementation of a map. It doesn't seem to be nearly as popular as your typical map / unordered_map so I haven't been able ...
django unit tests without a db
Is there a possibility to write django unittests without setting up a db? I want to test business logic which doesn't require the db to set up. And while it is fast to setup a db, I really don't need it in some situations.
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Match multiple cases classes in scala
... "B(" + s + ")"
}
case _ => "default"
}
}
Though I feel it would be much cleaner to factor that out into a method:
def doB(s: String) = { "B(" + s + ")" }
def matcher(l: Foo): String = {
l match {
case A() => "A"
case B(s) => doB(s)
case C(s) => doB(s)
...