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Cost of storing AMI
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edited Jun 3 '17 at 15:46
Michał Zalewski
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ans...
how do you filter pandas dataframes by multiple columns
...b-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) & (d...
Populating spinner directly in the layout xml
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594
I'm not sure about this, but give it a shot.
In your strings.xml define:
<string-array name...
Is it possible to execute code once before all tests run?
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154
FWIW, you can use the AssemblyInitialize attribute to run code before all unit tests in an assem...
Escaping keyword-like column names in Postgres
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214
Simply enclose year in double quotes to stop it being interpreted as a keyword:
INSERT INTO tab...
GoTo Next Iteration in For Loop in java
...+){
if(i==2){
continue;
}
System.out.print(i);
}
This will print
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String.replaceAll without RegEx
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answered Nov 30 '10 at 17:44
Jon SkeetJon Skeet
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Unresolved external symbol on static class members
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147
If you are using C++ 17 you can just use the inline specifier (see https://stackoverflow.com/a/...
RegEx to make sure that the string contains at least one lower case char, upper case char, digit and
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Bart KiersBart Kiers
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Asterisk in function call
...rguments in the function call.
So if uniqueCrossTabs was [ [ 1, 2 ], [ 3, 4 ] ], then itertools.chain(*uniqueCrossTabs) is the same as saying itertools.chain([ 1, 2 ], [ 3, 4 ])
This is obviously different from passing in just uniqueCrossTabs. In your case, you have a list of lists that you wish t...