Screen Options button doesn't show up in "Edit Post" Screen - wordpress

I just installed WordPress and learning the tutorial. I'm learning the "Revision", the teacher said to show it click the "Screen Options" button in the right corner of edit post but i don't have it. Can you show me how to fix this? Anyway, I'm using Wordpress 5.0

Try putting this in your functions.php file.
add_filter('screen_options_show_screen', '__return_true');

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Wordpress PrettyPhoto Gallery from link

I want to have a link that opens a prettyphoto gallery. I am using Wordpress with the Visual Bakery plugin as an editor.
I found if I do this...
<a class="prettyphoto" href="https://paradisocommunities.com/wp-content/uploads/2018/11/Heirloom-LegacyPointe32.jpg" data-rel="prettyPhoto[rel-17-696085417]">Link Text or Image</a>
...it will show use the prettyphoto popup window but there will not be a gallery. You can see this work if you click the Inspire button on this page: https://paradisocommunities.com/model/the-heirloom/
Does anyone know how to make this link a gallery?
The shortcode for an image grid gallery in Visual Composer is:
[vc_gallery type="image_grid" images="1017,1016,1015,1014,1013,1012,1011,1010" img_size="full"]
Is it possible to use these numbers to make it a gallery or just the file names?
You should be able to achieve that by adding one more attribute to the link.
rel="prettyPhoto[pp_gal]"
This is from discussion on their official support forum:
https://wordpress.org/support/topic/go-to-prev-and-next-photo-in-lightbox-view/#post-4528237

Permalink issue

There is a problem in the page permalink in wordpress when i add page name it's permalink has to show like "www.example.com/page-name" instead of this it shows like
www.example.com/page-name-2 or -3 when i try to change it it turns back i think maybe this is a page but when i access the link it shows that it is a media file permalink of an image . Is there any solution of this sort of problem
Sure, this is possible quite easily.
Go to Media Library
Find the image this link refers to
When you click on it choose "Edit more details" in the bottom right corner
In the top right part of this page click "Screen Options" and enable the "Slug" checkbox
Scroll down to the slug box and change the slug name to whatever you like.
Click "Update" and voila
That sounds as if a page with that permalink already exists - check for it in the "All PAGES" list view and also inside the trash (for older, deleted versions)

Quick post to Wordpress

There used to be a plugin for Tumblr where you could right click any image and quickly post to, well, Tumblr. It made creating posts on the fly really easy / quick.
Is there something similar in Wordpress?
I have a self-hosted Wordpress.org blog if that helps.
You can go to Settings > Writing and check the "Press This" section.
Press This is a bookmarklet: a little app that runs in your browser
and lets you grab bits of the web.
Use Press This to clip text, images and videos from any web page. Then
edit and add more straight from Press This before you save or publish
it in a post on your site.
Drag-and-drop the following link to your bookmarks bar or right click
it and add it to your favorites for a posting shortcut.

Add a "Customize" link to left navigation in WordPress

I'm working on a theme for WordPress and I'd like to add a link in the left navigation that points to the "customize" feature that is built into WordPress.
The only way I know of in WordPress to get to that panel is to go to Appearance > Themes and then click the "Customize" text link next to the theme screenshot. That seems really hidden for an average user.
I'd like to put a text link under "Appearance" that points to that panel. The link that WordPress uses to get there is:
mydomain.com/wp-admin/customize.php
This needs to be in the theme's files, not hacking the WordPress core.
Thanks for any help you can offer.
Sorry to state the obvious but the only way you can do this would be to modify the core.
Or possibly add it as a shortcut link in the top black nav bar / dashboard area
I've modified the admin before and it's not unheard of to do it.

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I'm currently using the latest WordPress install and using HTML5 Blank WordPress Theme by Todd Motto. I'm currently having issues with the EXCERPT function. I want to be able to manually type out a excerpt and have the read more link after the sentence. Not sure how to go about doing so. The the blank themes default is great, but I because of certain content... I need to be able to manually write an excerpt. Does anyone know how I would go about this?
Thank you!
Click the "Screen Options" tab on the very top right of the screen -
There should be a checkbox for about a dozen different things - custom fields, discussion and.. Excerpt. Just check the box for that, and the excerpt box will pop up under the post editor allowing you to type in a manual excerpt

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