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19771 questions

2 answers
324 views
0

about the possibility of being attacked

Thank you for your help.I would like to inquire about the possibility of server intrusion and attack from outside.If you run the following command and leave SSL certificate turned off, Could you tell ...

linux git ubuntu security ssl

2 years ago

2 answers
387 views
0

When specifying a group with the chown command, is the format using . (dot) as the delimiter a specification?

If you subtract chown man on Ubuntu, the format is written in two lines as follows: SYNOPSIS chown[OPTION]...[OWNER][:[GROUP]] FILE... chown [OPTION]...--reference=RFILE FILE...Some of the chown man p...

linux ubuntu

2 years ago

1 answers
324 views
0

Understanding Retrieving and Storing VBA Values in an Array

The following code is used to store cell values in an array, but when I checked Debug.Printary(j,1), it seems that the values are not displayed (not retrieved).ary=Array (Cells(j, E).Value, Cells(j, F...

vba

2 years ago

2 answers
331 views
0

HTML Open File Dialog May Not Appear

In HTML, after clicking the image button, we have created a function to display the Open File dialog.There was a user who said that the Open File dialog did not appear when I clicked the image button....

html

2 years ago

1 answers
438 views
0

Chrome's behavior is strange when the character size of placeholder is reduced with input tag.

inputI wanted the placeholder character size of the tag to be smaller than the normal input character size.Therefore, we applied the following css.input{ max-height —40px; padding —8px; font-size: 32p...

css

2 years ago

1 answers
463 views
0

Is git better for writing code with git and vscode? [Closed]

Do you want to improve this question?Edit your post to clarify the issue you are trying to resolve by adding details.Closed 28 days ago.28 days agoIs it possible to reflect the difference between git ...

git vscode editor

2 years ago

1 answers
400 views
0

How to Configure Cors Error AAccess-Control-Allow-Origin:* 」

When I host an Input Form & HTTP Request program created in HTML and JavaScript to Amazon S3, I get a cors error.I have looked into many things, but I am still not familiar with HTML or JavaScript cod...

javascript html aws cors

2 years ago

1 answers
393 views
0

How to insert elements into a responsive screen

When I set the PC size screen on the left to the smartphone size on the right, I want to put the green element between red and blue.Please tell me how to do it.By the way, there is no code yet.

html css

2 years ago

2 answers
442 views
0

The context menu generated by addEventListener is not displayed with the first right click.

The source codes below are Javascript, css, and HTML respectively.I would like to right-click the contextmenu1 and contextmenu2 of the id attribute in this HTML.I want contextmenu1 to be displayed whe...

javascript html css

2 years ago

1 answers
275 views
0

Send mail to Ravel mailhog test error Connection could not be established with host mailhog:stream_socket_client():

We introduced mailhog to test mail transmission with Ravel, which is operated by docker.However, an error has occurred and cannot be sent.Swift_TransportExceptionConnection could not be established wi...

php laravel sendmail

2 years ago

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