Module development and code questions

I own a fledgling startup with a Drupal 8 website connected. We have an excellent developer however he is busy on other projects and expensive for a startup. I am therefore trying to educate myself on being able to do minor tasks and have managed to integrate Intercom with Tribe, however the Drupal site is another beast altogether.

Hello,

I am using Search API (search_api) and SOLR Search (search_api_solr) modules for searching. I created search page via Search API module. This pages shows Title of node. This node has another field field_link, which is just basic text field. 

Hi guys,

in the option of creating events where participants pay participation fees, I stumbled upon the drupal rng module in version 3.0.0-alpha that I installed on drupal 8.8.6. except that I have a lot of problems with this module. with after creating a type of event content that I associated with the event type of rng. when i create an event with the register button when i click on it i get this error

Hi,

Hello, as part of a content migration from one site to another, we have a long list of pages on the old site that should redirect to a page on the new site. We want our users to be redirected if they go to the old page, and we can do this through the Redirect module, or through the server we host the site on (I think, to be fair that seems more high level and I'm not certain I have access to make any changes on the server).

I wanted to insert the following source-code in the CKEditor:

<a href=""><p>My Content</p></a>

... but the editor changed it to:

<p><a href="">My Content</a></p>

This can be – as an example – a problem with CSS:

a p {color: blue}

... is not the same as ...