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How to filter Pandas dataframe using 'in' and 'not in' like in SQL
...le:
import pandas as pd
>>> df
country
0 US
1 UK
2 Germany
3 China
>>> countries_to_keep
['UK', 'China']
>>> df.country.isin(countries_to_keep)
0 False
1 True
2 False
3 True
Name: country, dtype: bool
>>> df[df.country.isin(cou...
Programmatically obtain the Android API level of a device?
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answered Nov 2 '14 at 11:01
Arkadiusz CieślińskiArkadiusz Cieśliński
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How can I efficiently download a large file using Go?
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217
I'll assume you mean download via http (error checks omitted for brevity):
import ("net/http"...
Catching an exception while using a Python 'with' statement
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266
from __future__ import with_statement
try:
with open( "a.txt" ) as f :
print f.re...
“unary operator expected” error in Bash if condition
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edited Jul 24 '15 at 4:58
answered Nov 29 '12 at 3:31
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What exception classes are in the standard C++ library
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2 Answers
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How to change field name in Django REST Framework
...ields.
class Park(models.Model):
name = models.CharField(max_length=256)
alternate_name = models.CharField(max_length=256, blank=True)
objects = models.GeoManager()
class Meta:
db_table = u'p_park'
def __unicode__(self):
return '%s' % self.name
Here is Seri...
Need a simple explanation of the inject method
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209
You can think of the first block argument as an accumulator: the result of each run of the blo...
How do I select the parent form based on which submit button is clicked?
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192
You can select the form like this:
$("#submit").click(function(){
var form = $(this).parent...
change html text from link with jquery
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edited Jun 20 at 9:12
Community♦
111 silver badge
answered May 23 '09 at 17:06
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