19771 questions
If there is an array similar to the following, containments=[ { 'id' : 1, 'category' : -1, 'question' : -1, 'answer' : -1} , { 'id' : 2, 'category' : -1, 'question' : 0, 'answer' : -1} , { 'id': 3, 'c...
The ultimate goal is to use Ajax to delete the listing button, which is asynchronous and can be removed from the UI.As a preliminary step, we would like to implement a function that can only be delete...
Launching two EC2 instances.These two started from the same AMI and have not changed anything since they started.We created a load balancer with these two designated as target groups.I thought accessi...
Can you manage with violinPlot of seaborn?I would appreciate it if you could give me some advice to make the diagram below.# Input data and drawing resultsInput data:dataA = [2, 4, 6, 8, 10, 12, 14]da...
I ran gtags in the directory where the source code for Go resides and generated a tag file.After creating the tag file, I tried to jump the tag using gtags.vim (vim plug-in included with GNU GLOBAL) i...
I want to put a border on the span tag when I hover, but it doesn't work.What should I do to make it work?<ul class=nav> <class=nav-item>a class=navbar-link href=/xxx.html>span class=li...
macOS 10.15.6Ruby 2.5.7Rails 5.2.3[Rails] enum tutorial[Rails] What is enum?Tried creating a select box using enum -Qiita[Rails] Implementation of select boxes using enum and saving to DB - Qiita [Rai...
When you use Search (S) > Replace (R) from the menu bar, the first word or symbol in the first line of the text is automatically registered in the search string, which is annoying.If the first line of...
I want to change the text editor that opens when setting crontab to VS Code Insider version, so I added the ShellScript below to ./profile, but GNU nano will open.Please tell me how to change the text...
When I ran the following program, I wanted to enter two arrays, but I couldn't enter the second array, and the if statement was executed as it is.Is there something missing?please tell me。Thank you fo...
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