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Pandas percentage of total with groupby
...impler way -- just groupby the state_office and divide the sales column by its sum. Copying the beginning of Paul H's answer:
# From Paul H
import numpy as np
import pandas as pd
np.random.seed(0)
df = pd.DataFrame({'state': ['CA', 'WA', 'CO', 'AZ'] * 3,
'office_id': list(range(1...
How to prevent auto-closing of console after the execution of batch file
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edited Jul 30 '13 at 20:52
Rob Kielty
7,14577 gold badges3434 silver badges5050 bronze badges
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“Invalid JSON primitive” in Ajax processing
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var json = Sys.Serialization.JavaScriptSerializer.serialize(obj);?
If it is a valid json object like {'foo':'foovalue', 'bar':'barvalue'} then jQuery might not send it as json data but instead serialize it to foor=foovalue&bar=barvalue thus you get the error "Invalid JSON primitive: foo"
T...
val() doesn't trigger change() in jQuery [duplicate]
I'm trying to trigger the change event on a text box when I change its value with a button, but it doesn't work. Check this fiddle .
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Fast check for NaN in NumPy
...np.nan ) in a NumPy array X . np.isnan(X) is out of the question, since it builds a boolean array of shape X.shape , which is potentially gigantic.
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Vagrant error : Failed to mount folders in Linux guest
I have some issues with Vagrant shared folders, my base system is Ubuntu 13.10 desktop.
21 Answers
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SVN - Checksum mismatch while updating
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The easiest way to fix it (if you don't have many changes) is to copy your changes to another directory, delete the directory where your project is checked out, and checkout the project again.
Then copy your changes back in (don't copy any .svn fo...
Import CSV to mysql table
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Instead of writing a script to pull in information from a CSV file, you can link MYSQL directly to it and upload the information using the following SQL syntax.
To import an Excel file into MySQL, first export it as a CSV file. Remove th...
Ruby: kind_of? vs. instance_of? vs. is_a?
...s_a? are synonymous.
instance_of? is different from the other two in that it only returns true if the object is an instance of that exact class, not a subclass.
Example:
"hello".is_a? Object and "hello".kind_of? Object return true because "hello" is a String and String is a subclass of Object.
H...
ImportError: No module named dateutil.parser
...udo apt-get install python-pip
Then install the python-dateutil package with:
sudo pip install python-dateutil
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