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19771 questions


1 answers
362 views
0
I want to write the Arrow function in the array in typescript.

How can I write the code below in typescript?export default class Auth extensions Vue {public rules: { username : Array < string | boolean > , password : Array < string > } = {// I don't k...

1 years ago

1 answers
409 views
0
I have a question about how to load and distinguish Python csv files.

I have to load the csv file and distinguish the data, but I can't think of a way, so I'm asking you a question. ㅜ분명히 I'm sure there's a way, but I don't know how to search it.There is a csv file ...

1 years ago

1 answers
422 views
0
About Ruby Error Codes

I have a question about ruby error code.I'm studying with a book called Ruby Introduction 2nd Edition.This document uses ruby 1.9.3 and I use ruby 3.0.5.When I created a library management application...

1 years ago

1 answers
428 views
0
Yahoo API "Insufficient Parameters" Error

I'm trying to run a Japanese morpheme analysis of Yahoo API.Yahoo API Japanese Morpheme AnalysisThe code does not seem to be a problem, but an Insufficient Parameters error occurs.In addition to the a...

1 years ago

1 answers
319 views
0
Information About Spresense High-Resolution Recording

I'd like to record a high resolution on Spresense.·I want to obtain a frequency up to 80 kHz by recording at 192 kHz/24 bitProduct Configuration·Spresense main board + expansion board·MEMS Analog Micr...

1 years ago

1 answers
324 views
0
Is there a way to make a file recognize another folder in the same workspace?

When you add two folders to the VS Code workspace as follows, workspace- - - - - ├ project │ ssample.html └ img └ sample.pngI would like to make sample.html recognize the img folder as if it were unde...

1 years ago

3 answers
412 views
0
Is there a way to determine if a symbolic link is referenced in Linux?

Thank you for your help.As stated in the title, I am using Linux (CentOS). Is there any way to verify that a directory is referenced to a symbolic link? Openjdk is placed under /usr/local/ as follows:...

1 years ago

1 answers
417 views
0
In spring boot (2.7.8-SNAPSHOT) environment, I changed my DB from H2DB to My SQL (mysql-connector-j-8.0.32), but I got an error.

In the H2 environment, type conversion was possible, but when I switched to My SQL, I got an error.I didn't know exactly where and how to fix it.I would appreciate it if you could help me.·The followi...

1 years ago

3 answers
262 views
0
What happens when you use parentheses when initializing a C++ structure array?

An example is the Point structure, which you want to store in a C-format array.If you define each element in parentheses as shown below, there will be no compilation error, but Output does not meet ex...

c++
1 years ago

1 answers
284 views
0
How to Implement a Controller Class with a Response that Does Not Return view (jsp)

How do I implement a controller class that calls from an external application that is not Java and returns download files?You can access the following URL to open a download dialog on the caller scree...

1 years ago
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