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What is the meaning of the term "NotFound"?
The term "NotFound" is commonly associated with the HTTP 404 error message, which indicates that the requested web page or resource could not be found on the server.
The 404 error is a client-side issue, meaning it's caused by a mistake in the URL or the page being moved or removed without proper redirecting.
The 404 error message can be displayed in various ways, such as "404 Error," "404 Not Found," or "The requested URL [URL] was not found on this server."
In addition to 404 Not Found, there are other related error messages like 400 Bad Request, 401 Unauthorized, 403 Forbidden, and 500 Internal Server Error.
The %NOTFOUND construct in PL/SQL can be used to check if a SELECT statement returns no rows, similar to the NotFound method in the Microsoft ASP.NET Core MVC framework.
The term "NotFound" can also refer to the watchOS case where the object being acted upon was not found in the container.
The NOTFOUND exception in Oracle PL/SQL can be caught and handled in a WHEN OTHERS exception handling block.
The NOTFOUND construct is used in the Perl programming language to check if a search operation did not find any matching elements.
In JavaScript, the "Not Found" error message can be displayed when a requested resource, such as an image or a script, cannot be located on the server.
The "404 Not Found" error message is one of the most common HTTP status codes, and it is often used as an indication that the requested resource has been removed or moved to a new location.
Web browsers typically display a default 404 Not Found error page, but website owners can customize this page to provide more helpful information to their users.
Search engines like Google will not index a URL with a 404 Not Found response status, and consequently, URLs that have been indexed in the past but are now returning this HTTP status code will be removed from the search results.
The term "NotFound" can also be used in file system operations, where it indicates that the file or directory being searched for could not be located.
In the context of software development, the "NotFound" exception or error is often used to handle cases where a requested resource, such as a database record or an API endpoint, cannot be found.
The "NotFound" error can be a common issue in web applications, and developers often need to implement proper error handling and user-friendly error messages to provide a better experience for their users.
The 404 Not Found error is not always a negative situation, as it can also be used to indicate that a requested resource has been intentionally removed or is no longer available.
The term "NotFound" can be used in various programming languages and frameworks, and the specific implementation and handling of the error can vary depending on the context.
In the context of web accessibility, the 404 Not Found error can be an important consideration, as it can impact the user experience for individuals with disabilities who may be relying on screen readers or other assistive technologies.
The 404 Not Found error can also have SEO (Search Engine Optimization) implications, as search engines may interpret the error as a sign that the page is no longer relevant or useful.
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