tuples

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Filtering list of tuples based on the availability of a member in a list

I want to filter a list of tuples like [(1,22,1),(5,1,8),(8,3,4),(7,5,6)] using a list like [1,7] which would eventually give me the result [(1,22,1),(5,1,8),(7开发者_如何转开发,5,6)]; since (8,3,4) d[详细]

2023-04-09 03:42 分类：问答
Save function in tuple without executing

I have开发者_如何学Go a tuple like the following: self.tagnames = ((\'string\', self.do_anything()),)[详细]

2023-04-08 20:05 分类：问答
Can I use an object (an instance of a class) as a dictionary key in Python?

I want to use a class instance as a dictionary key, like: classinstance = class() dictionary[classinstance] = \'hello world\'[详细]

2023-04-08 00:31 分类：问答
Deleting the second element in tuples

I have a list of tuples that look like this. [ [(1,True),(2,True)] , [(3,False),(4,False),(5,False)] ][详细]

2023-04-07 23:47 分类：问答
Haskell beginner question (defining pairs, similar to Http statuses)

I\'m a Haskell beginner and have to define a series of known statuses that consist of an Int and a String / ByteString, similar to HTTP Statuses[详细]

2023-04-07 13:32 分类：问答
Unpacking a list / tuple of pairs into two lists / tuples [duplicate]

This question already has answers here: Transpose/Unzip Function (inverse of zip)? (14 answers) Closed 4 months ago.[详细]

2023-04-07 11:41 分类：问答
Assign multiple new variables on LHS in a single line

I want to assign multiple variables in a single line in R. Is it possible to do something like this? values # initialize some vector of values[详细]

2023-04-07 09:38 分类：问答
When is tuple length too long?

Here is a logical schema for my largest relation: {(id, uName, supplies, score, playerType, storageSupplies, supplyDrop, barracks, armourDepot, hangar, droneHangar, storage, offensive, defensive, inf[详细]

2023-04-07 07:55 分类：问答
How can we apply a non-vararg function over a va_list?

Backstory I\'m porting the QuickCheck unit test framework to C (see the working code at GitHub). The syntax will be:[详细]

2023-04-07 01:29 分类：问答
Getting integers from a tuple saved then loaded with pickle

On Python, I made a module for saving and loading integers, It can save roughly as I want it (I am using Pickle) but when I load it I receive my integers in tuple-form (because I made it a tuple to sa[详细]

2023-04-06 06:49 分类：问答