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“INSERT IGNORE” vs “INSERT … ON DUPLICATE KEY UPDATE”
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how do you filter pandas dataframes by multiple columns
... sub-statements with ():
males = df[(df[Gender]=='Male') & (df[Year]==2014)]
To store your dataframes in a dict using a for loop:
from collections import defaultdict
dic={}
for g in ['male', 'female']:
dic[g]=defaultdict(dict)
for y in [2013, 2014]:
dic[g][y]=df[(df[Gender]==g) &...
Android emulator: How to monitor network traffic?
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answered Apr 4 '10 at 13:21
Christopher OrrChristopher Orr
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How to clone all remote branches in Git?
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Android EditText Max Length [duplicate]
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Nilesh Rathod
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answered Aug 23 '12 at 0:53
Ushal NaidooUs...
How can I measure the speed of code written in PHP? [closed]
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edited Apr 2 '19 at 11:00
Glorfindel
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Reload django object from database
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274
As of Django 1.8 refreshing objects is built in. Link to docs.
def test_update_result(self):
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How to change the default font size in ggplot2
...like to know if it is possible to change some default parameters of ggplot2 graphics, like font size for instance, for a whole R session. The idea is to avoid setting them for each plot.
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How can I create a simple message box in Python?
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262
You could use an import and single line code like this:
import ctypes # An included library ...
How to initialise memory with new operator in C++?
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edited Jun 20 at 9:12
Community♦
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answered Feb 5 '10 at 0:57
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