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 …

The main difference between tuples and lists is that tuples are immutable - you can't set the elements of a tuple to different values, or add or remove elements like you can from a list.

How and "could be" organized return from the method which returns tuple type with the name of parameters, as an example private static Tuple<string, string> methodTuple() { return new …

The tuple probably is the best option for readability. Personally, I'm not keen on having anonymous types or property names like Item1 - although I guess destructuring does mitigate …

I would have loved for the answers to go a little further and went into the subject of generic n-tuples, not just pairs, but tuples of arity n.

A very similar question is already asked at: using tuples in sql in clause , but the solution proposed there presumes the tuple list is to be fetched from another table.

Sep 9, 2014 · A tuple is a good way to pack multiple values into that cookie without having to define a separate class to contain them. I try to be judicious about this particular use, though.

However, assuming the OP requires a tuple for output, the difference comes in the conversion back. For proof: take tuple () off the generator and they'll both return instantly, but tuple () the …

Using a tuple instead of a list is like having an implied assert statement that this data is constant, and that special thought (and a specific function) is required to override that. Some tuples can …

Nov 30, 2013 · IndexError: tuple index out of range ----- Python Asked 12 years ago Modified 2 years, 6 months ago Viewed 603k times