Hidden Some Setting on Post or Page
136517
Remove custom metaboxes from custom post type
102569
When a user closes a , hide that  on all site pages
18599
prevent "action" if top of page
1779
Allow flags on locked posts
130609
Please hide questions with tags I chose to ignore and hide (on iOS app)
35235
Restrict node to be shown only in a view and not by its url?
41389
Hide deleted answers with certain characteristics
135468
Hiding part of the text when certain macro is enabled
26508
How to hide the address bar of browser by JavaScript?
50
Dark Mode for Stack Exchange sites
129038
How to exclude text portions by simply setting a variable or option?
141009
hide a view field content for anonymous only?
129507
Don't hide or disable menu items?
140200
Hide votes for answers for the first few minutes?
71962
Changing Posts Per Page and offset with pre_get_posts
10219
Is there a way to make text unselectable on an HTML page?
158340
How to remove images from showing in a post with the_content()?