Returning multiple values from a C++ function - Stack Overflow
2015年8月19日 · F.21: To return multiple “out” values, prefer returning a struct or tuple Reason A return value is self-documenting as an “output-only” value. Note that C++ does have multiple …
What's the difference between lists and tuples? - Stack Overflow
2009年3月9日 · What are the differences between lists and tuples, and what are their respective advantages and disadvantages?
Pandas convert dataframe to array of tuples - Stack Overflow
I have manipulated some data using pandas and now I want to carry out a batch save back to the database. This requires me to convert the dataframe into an array of tuples, with each tuple …
Tuples (or arrays) as Dictionary keys in C# - Stack Overflow
2023年1月2日 · A 3-tuple of int only occupies 12 bytes, so ValueTuple is fine. However, I'd be wary of Tuple even for larger n-tuples, as dictionary lookup keys are usually very short-lived, …
AttributeError: 'tuple' object has no attribute - Stack Overflow
2013年6月25日 · When multiple values are returned from a function as comma-separated, they will be returned as a tuple. So obj here will be a tuple with values (s1, s2, s3, s4).
How to use c# tuple value types in a switch statement
2017年6月4日 · I'm using the new tuple value types in .net 4.7. In this example I am trying to make a switch statement for one or more cases of a tuple: using System; namespace …
Python typing: tuple [str] vs tuple [str, ...] - Stack Overflow
2022年4月25日 · Python typing: tuple [str] vs tuple [str, ...] Asked 3 years, 4 months ago Modified 3 years, 4 months ago Viewed 7k times
What's the difference between System.ValueTuple and …
The difference between Tuple and ValueTuple is that Tuple is a reference type and ValueTuple is a value type. The latter is desirable because changes to the language in C# 7 have tuples …
Python: "Tuple" is not defined warning - Stack Overflow
2022年1月20日 · "Tuple" is not defined Pylance report UndefinedVariable Given that I'm writing a number of functions that return a tuple type, I'd like to get rid of the warning.
python - Convert numpy array to tuple - Stack Overflow
2012年4月5日 · Is there an easy way to convert that to a tuple? I know that I could just loop through, creating a new tuple, but would prefer if there's some nice access the numpy array …