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C#, Programming

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C# List of objects, how do I get the sum of a property

I have a list of objects. One property of the individual object entry is amount. How do I get the sum of amount? ...

June 2, 2022
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Programming, Python

IT Nursery

Pandas: sum DataFrame rows for given columns

I have the following DataFrame: In [1]: df = pd.DataFrame({'a': [1, 2, 3], 'b': [2, 3, 4], 'c': ['dd', 'ee', 'ff'], 'd':...

June 1, 2022
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How to sum all the values in a dictionary?

Let’s say I have a dictionary in which the keys map to integers like: d = {'key1': 1,'key2': 14,'key3': 47} Is there a ...

May 15, 2022
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How to sum array of numbers in Ruby?

I have an array of integers. For example: array =...

April 30, 2022
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