Drupal 8.x

good evening I have a theme that I am developing for a website but I have 2 problems with the jquery library

• when I activate the library in the theme, the administration menu stops being fixed at the top.
• when I activate the jquery a query stops showing me the information.

Some of you have had the same thing and if you know how to solve it my version of drupal is 8.9 Thanks for the help in advance.

I have this route that is suppose to render a block and two view blocks and then display them in a modal.

Originally, I had this route created in the Pages section of Structure, but then decided to create it in my module using this tutorial

Hi, how do I get Bitcoin on Drupal?

On my site I have several authors, I want the authors to be able to display a QRcode on their article to receive donations.

I have not found any module capable of generating a QRcode with a Bitcoin address.

Hello,
I look after a 3-language site (Drupal 8.9.7,  later D9, Linux-based). Within the header region I display a number of responsive images through a view that cycles through these. Images are displayed with a title at their tops. I want to show the titles translated to all three languages. I have found module i18nviews. But that module seems to not be available in Drupal 8/9. 

You can open any page in a modal from by making the link like:

<a class="use-ajax" data-dialog-type="modal" data-dialog-options='{"dialogClass": "my-modal"}' href="my/custom/page">
  {{ 'Open Modal'|t }}
</a>

You can create an endpoint that uses a controller method that responds by opening a modal like:

Hi,

In checkout page, when user get register he should get the email messages. i try with drupal register page email are going but when i am trying with checkout register page email is not going. in both the register page only difference is username field is replace with email id.

when user order the product, he get the email but register in checkout he not get the email.