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19771 questions

1 answers
250 views
0

I don't know what count(*) is doing when using group by and having.

I don't know the count(*) when I ran this SQL.select name from usersgroup by belonghaving count(*)>=2The tables and data are as follows.create table users( id int, name varchar(60), belong int);ins...

sql

2 years ago

1 answers
245 views
0

Unable to display list

I want to calculate and display the value multiplied by 2 in the list I created, so I wrote the following code, but I can't do it well.What should I do? numbers = [1,3,5,7]for n in numbers*2: print(n)...

python

2 years ago

1 answers
356 views
0

Error using defined function: cannot unpack non-iterable NoneType object

Define the function as follows and write the code for the quotient and remainder of n/k.defquotient_and_remainder(n,k): quotient==n//k remainder == n%k print(quontient, reminder)quote,remainder=quo...

python

2 years ago

1 answers
327 views
0

SpresenseSDK Command Shell Initial Export Does Not Work

When initializing the command shell of the SpresenseSDK, I defined the variable in export as follows, but the value is blank.·The previous SDK version (v2.2.0) worked well.·The new SDK version (v2.4.0...

spresense

2 years ago

1 answers
275 views
0

FileNotFoundError: [Errno2] No such file or directory: 'in_out_put/live_data.csv' How do I work?

I was doing an AI program on jupyternotebook in anaconda.When I was loading the following tasks, I got an error and I am having trouble.I am a beginner with no program experience.Please let me know.Th...

python

2 years ago

1 answers
343 views
0

AutoHotKey Regular Expression Fails

In order to assign the Delete string after any number of digits when pressing the no conversion key in AutoHotKey, I ran the following script and got an error message.Current State Script:<vk1D:: S...

regular-expression autohotkey

2 years ago

1 answers
486 views
0

I want to pick the nested type in the Vue Router.

I want to take only matched meta from the vue-router Route type.Specifically, I was able to take out the matched as below, but I don't know how to take out only meta and get an error.I would appreciat...

vue.js typescript

2 years ago

1 answers
287 views
0

Can I create a sub-window with a sub-window as the parent in Toplevel() of Tkinter?

Tkinter's Toplevel() allows you to create a sub-window with the main window as the parent, but is it not possible to create a sub-window with the sub-window as the parent?Please let me know if there i...

python tkinter

2 years ago

1 answers
344 views
0

code that retrieves all values in a folder

How do I get all the values in the folder?The macro below will only get the first value of the book.I'd like to transfer all the values I got, so please tell me how to do it.Sub-Single Test Specificat...

vba

2 years ago

1 answers
210 views
0

Program error in summary in python: Resource punkt not found

I'm in trouble because I don't know how to deal with this error.Please let me know.[Error] 0% | | 0/2 [00:00<?,?it/s] 0 0% | | 0/2 [00:06<?, ?it/s]-----------------------------------------------...

python

2 years ago

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