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Multiple aggregations of the same column using pandas GroupBy.agg()
...rns
op1 op2
dummy
1 0.328953 0.032895
Or,
df.groupby("dummy")['returns'].agg([('op1', 'sum'), ('op2', 'mean')])
op1 op2
dummy
1 0.328953 0.032895
...
NSInvocation for Dummies?
...000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 4...
Is std::vector copying the objects with a push_back?
After a lot of investigations with valgrind, I've made the conclusion that std::vector makes a copy of an object you want to push_back.
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How to join two JavaScript Objects, without using JQUERY [duplicate]
...5, Firefox (Gecko): 34, Internet Explorer: No support, Edge: (Yes), Opera: 32, Safari: 9)
const result = Object.assign({}, obj1, obj2);
4 - Spread Operator:
Standardised from ECMAScript 2015 (6th Edition, ECMA-262):
Defined in several sections of the specification: Array Initializer, Argume...
Test if a variable is a list or tuple
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wall-ewall-e
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Can iterators be reset in Python?
...rtelli
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6
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What are the reasons why Map.get(Object key) is not (fully) generic
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Dave Newton
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answered May 13 '09 at 17:14
newacctnewacct
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System.BadImageFormatException: Could not load file or assembly [duplicate]
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It seems that you are using the 64-bit version of the tool to install a 32-bit/x86 architecture application. Look for the 32-bit version of the tool here:
C:\Windows\Microsoft.NET\Framework\v4.0.30319
and it should install your 32-bit application just fine.
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TimeStamp on file name using PowerShell
...will want.
– mwfearnley
Apr 9 at 10:32
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Generate all permutations of a list without adjacent equal elements
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answered Aug 13 '14 at 12:32
tobias_ktobias_k
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