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19771 questions

1 answers
355 views
0

Rails cannot correctly populate datetime type values.

PrerequisitesData is not correctly placed in the datetime type column of your own application (Railsc does).I don't know why, so please help me.What do you want to doAt the time of user creation, I wo...

ruby-on-rails ruby deviation

1 years ago

1 answers
301 views
0

What are the limitations on the number of simultaneous requests from Windows 10?

I'm doing web scraping with multi-threads, but my requests often fail.What is the limit on the number of simultaneous requests for Windows 10?Also, is it possible to change it?

windows-10

1 years ago

1 answers
346 views
0

When joining between python daframes, is it possible to match the included key value instead of the same key value?

When joining between python daframes, is it possible to match the included key value instead of the same key value?For example, DF_A present and DF_B is present.What I want to do is combine two data f...

python dataframe join pandas

1 years ago

1 answers
342 views
0

Python Random Walks Question

#1, if code is implemented as Python basic typeimport randomposition = 0walk = [position]steps = 1000for i in range(steps): step = 1 if random.randint(0, 1) else -1 position += step walk.append(positi...

python random

1 years ago

2 answers
320 views
0

Python Input Questions

Number of input data in the first line nData dimension k on the second lineI want to get n pieces of k-dimensional data from the third lineWhat should I do?For example, 425 1010 206 815 11I'd like to ...

input python

1 years ago

0 answers
293 views
0

Please solve the Python problem. It's hard

The company regularly conducts medical checkups for employees every year to measure blood pressure, and the blood pressure levels include systolic blood pressure (high) and diastolic blood pressure (l...

python programming

1 years ago

1 answers
392 views
0

I put export and import to use variables in other js file, but there was an error on the web page

Hello, I'm Corinne who is making a simple lottery program.The principle of operation is that you get six random digits of the winning number in lotto.html, and if you press the lottery purchase button...

javascript export import

1 years ago

1 answers
294 views
0

Unable to register 7zip in shell context menu

It was installed via Scoop.It's easier to make it with the right click menu, so I'd like to serve it, but I can't do it for some reason.I would like to solve this problem because it is easy to manage ...

windows windows-11

1 years ago

3 answers
340 views
0

I want to add headers and footers to a text file with Linux commands.

I would like to process the text file (test.txt) using the Linux command as follows.before processing:--SQLAfter processing:header-- SQLfooterThe following shell scripts did not work:I would appreciat...

linux shellscript sed

1 years ago

3 answers
347 views
0

When I created a new registration form in rails and wrote a test in RSpec that failed when the name was blank, I wrote a test in have_current_path that I expected a new registration screen as a transition destination after the failure, but somehow I expected a list screen and the test failed.

Run Environmentrails 7.0.3ruby 3.1.2rspec 3.11 When you use the browser, you can see that it transitions to the path you expected, but the RSpec system test does not match the path you expected, and t...

ruby-on-rails ruby

1 years ago

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