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19771 questions

1 answers
409 views
0

About drawing without matplolib

I don't understand the problem of receiving a list of positions (0,...99, see below) as input and creating a function print_dots that displays '' in the corresponding position for the 10 10th square.0...

python windows

1 years ago

1 answers
544 views
0

rails db:create error: Could not find mysql2-0.5.4 in any of the sources

When I tried to create a database with rails db:create, I received the following error:Could not find mysql2-0.5.4 in any of the sourcesRun `bundle install` to install missing gems.Are you going to se...

ruby-on-rails mysql docker

1 years ago

2 answers
364 views
0

How to use = and == differently

When running a program such as the following, the first x, y definition is = even though it is one.Why are x and y after if written in ==?x=0y = 10if x == 0 or y == 0: print( either x or y is 0)

python

1 years ago

1 answers
259 views
0

How to create bar graphs without matplotlib

I don't understand the problem of creating a function print_row_dot_graph that receives a list of integers as input and displays a horizontal bar graph as a print function as shown below.Example) prin...

python windows

1 years ago

1 answers
299 views
0

I want to count the number of times any number (there are more than one) appears.

Please understand that there may be some difficulties for beginners.100111.ABC0001 100111.ABC221000000000200200100111.ABC0001 100111.ABC22500000000200200100111.ABC0002 100111.ABC3258000000000200200Sup...

python

1 years ago

1 answers
465 views
0

How GAS Determines if a Hyperlink is Configured for a Specific Cell Value in a Spreadsheet

For example, there is data that contains a string in column A.If the link is set halfway as shown in the image, I would like to set up a script to set up hyperlinks only for strings with no links.I've...

google-apps-script google-spreadsheet

1 years ago

1 answers
345 views
0

How can I use Ajax to make JSON data class?

How do I get JSON data via asynchronous communication in a class format?I would like to be able to display the image after pressing the button button on HTML, but I looked into various class methods, ...

javascript json ajax

1 years ago

1 answers
424 views
0

I want to get the number of elements in the array of non-static members of the class as a constant expression

I would like to get the number of elements in the array of non-static members of the class as a constant expression within the non-static member function, but using the std::size function results in a...

c++

1 years ago

1 answers
438 views
0

Error in train_test_split on scikit-learn: ValueError: not enough values to unpack (expected 5, got 4)

I'm a beginner at Python and I'm doing epidemiological research using machine learning, but I don't know if it's the right way to proceed.Currently, I am having trouble adjusting hyperparameters.If yo...

python machine-learning google-columnatory scikit-learn

1 years ago

2 answers
220 views
0

I want to view index, but the data stored in the array is displayed.

https://atcoder.jp/contests/abc068/tasks/abc068_bIn the excerpt code below, I would like to display the index in max, but the data stored in the array will be displayed instead of the index.How should...

c++

1 years ago

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