wordpress does not give 404 error - php

Hello all!
I want to know that when we click on menu item in wordpress website, It takes us to the url associated with that link but how wordpress does that! I mean, the following url :
http://www.example.com/this-is-another-page/
I know wordpress will get the data from database but How wordpress will handle this url because the page is not available it should give 404 error
please tell me.
I am learning php.

WordPress handle this page by checking few things.
WP Check the credential by POST ID
First it's check the POST Exists or not? If not published then it gives you the 404 error.
WP check whether the post is published or not? If not published then it gives you the 404 error.
Then it's render the information from the database.

When you create a link that page link is added in the database. If the page is not created and you put a link that not exist, wordpress will bring you up a page error template.

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Wordpress redirect remove

Hello I am an new on WordPress. I have a problem. My page is redirected automatically. There are many page and I cant found where is the redirect code.
when I came to my company page and select drop-down box for data filter then its showed data under the drop-down but then automatically redirect the page to video page. How to remove this redirection?
I am found this code remove_filter('template_redirect','redirect_canonical'); bus as a new developer I cant understood this.
Thakns!
There could be either a plugin called redirection or there is a line in the .haccess file that could be doing it or it could be in the page text. 1 of the 3

OctoberCMS 404 page custom URL for my 404 page

I am using OctoberCMS Static Pages plugin in which I have created a 404 page with my custom URL something like this http://localhost/my_website/home/content/error404 .
When I open this page, its working fine but when someone types URL which is not exists something like this http://localhost/my_website/whatever, it is not showing the 404 page which I have created.
Can someone guide me how can I set this page as my default 404 page?
Also I have created a partial to set the content and I dragged and dropped this snippet into this static page.
Any suggestion or thoughts?
Thanks
You just need to create a page with the "URL" of the page in October set as /404 and October will use it for 404 errors.
You can also set a page with a URL of /error to handle "500 Internal Server Error"

October CMS : URL of the posts not set on the blogposts component

I'm working on a non profit's website and we're using October CMS and its blog plug-in to add publications to it. The problem is, when displayed on the /publications page, the posts title link to the same page instead of their specific post's page (/publications/post/:slug) despite having specified the page to the component inspector. Nonetheless, typing the correct link (e.g. /publications/post/first-blog-post) still redirects to the correct page, so I guess it's something to do with RainLab's interpretation ? I tried setting the link to a 404 or any other page, it stays as /publications.
Has anybody ever encountered this problem and/or knows how to solve it ?
Thanks :)
Have you set all of the settings?
See this screenshot:
It's very important to set post page and post slug.

500 internal server error while wordpress menu updating

Once I've try to edit my navigation menu on the Wordpress site, It shows 500 internal server error. I have a custom link on my main-menu, now I need to edit the URL of the link.
When I click Save Menu it show me above error. And the error page is following as:
I just want to change the link(URL) on the Inspections.
Is there any possible way to do that directly in the database.
Please help me,

wordpress not able to find homepage

This is the website url www.iaspirant.com .
So this will redirect to 404 page. Now the strange thing is when I do a login from wordpress wp-admin and then try to open the website then homepage gets load successfully.
So this happens only when a user is not admin.
Now in order to resolve that I googled lot and tried various approach but with no success.
tried to add 301 redirection in 404 page so that it will redirect to home page but this creates a loop
Try to delete .htaccess file but no difference
Try to change the theme to ensure whether its error in code but no success
If any one can suggest me anything then it will great help.
Try goto to /wp-admin/options-reading.php
And setup Front page displays as static page or post.
Do you have installed any maintenance plugin?
Did you check the permissions? try a permissions plugin
Go to settings->reading and see if you have set Front page displays your latests posts and not a static page
You just made a mistake in Param links:
Change your home param link to http://iaspirant.com/?page_id=428 and
then it would definitely it will wok.
Check also your static page in customization
go to apperence-->themes-->customization and set static page as your home page.

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