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19771 questions

1 answers
361 views
0

Error in drawing using matplotlib unhashable type: 'numpy.ndarray'

If you run the following program in VSCode, an error message appears and the graph does not appear.Please let me know if there is a solution.errorAn exception has occurred: TypeError unhashable type: ...

python pandas numpy matplotlib

1 years ago

1 answers
361 views
0

single regression analysis with python

I'm the first person to do regression analysis on python.If you proceed as per the reference site, the error message AttributeError'LinearRegression' object has no attribute 'pledict' appears.Please t...

python vscode matplotlib

1 years ago

1 answers
469 views
0

Error in drawing using mtplotlib unhashable type: 'numpy.ndarray'

python pandas numpy matplotlib

1 years ago

1 answers
337 views
0

Error in drawing using mtplotlib unhashable type: 'numpy.ndarray'

python pandas numpy matplotlib

1 years ago

1 answers
296 views
0

Want to know how to make multiple directory dependencies

Question detailsRegarding the makefile below, I don't know why the following error occurs.If it's one directory, it's successful, but if there are two, what should I do?I just need to write two variab...

makefile

1 years ago

1 answers
467 views
0

I don't know how to get openLDAP to read schema for sudo

OpenLDAP is trying to manage suod policies.Regarding the procedure for reading the sudoers schema, I did it with reference to the following site, but the article is old and it seems that the setting u...

linux openldap ldap

1 years ago

1 answers
391 views
0

I didn't know why the type name exists in the template I defined myself.

The following implementation was written as the implementation of the iterator_trites structure.Why are there differential_type and value_type types in the namespace of the Iter class?In my opinion, w...

c++

1 years ago

1 answers
307 views
0

I want to know why I can't downcast the base class to a derived class with the type std::shared_ptr<>

Question detailsAs per the title, I would like to know how to downcast the base class to the derived class using the std::shared_ptr<> smart pointer.What I checkedFrom the reference site std::sh...

c++

1 years ago

1 answers
262 views
0

I can't solve the simultaneous equation in Python.

I solved the simultaneous equation and entered the following and ran it, but I couldn't say anything at all.What's wrong? from numpy.linalg import solveleft = [[2,1], [1, 3]]right = [1,13]print(solve...

python numpy

1 years ago

1 answers
242 views
0

Why do I use a lot of typeef in the STL container of C++ to define member types?

Why do C++ STL containers (vector in the example above) use a lot of typeef internally?I thought that the possibility of misuse would increase by defining member types as new model names in typeef.I w...

c++

1 years ago

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