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ISO 3166-1 ( Codes for the representation of names of countries and their subdivisions – Part 1: Country codes) is a standard defining codes for the names of countries, dependent territories, and special areas of geographical interest. It is the first part of the ISO 3166 standard published by the International Organization for Standardization .
List of chemical elements. 118 chemical elements have been identified and named officially by IUPAC. A chemical element, often simply called an element, is a type of atom which has a specific number of protons in its atomic nucleus (i.e., a specific atomic number, or Z ). [1]
- 1XX Informational Response
- 2Xx Success
- 3Xx Redirection
- 4Xx Client Errors
- 5Xx Server Errors
- Unofficial Codes
- Caching Warning Codes
- See Also
- External Links
An informational response indicates that the request was received and understood. It is issued on a provisional basis while request processing continues. It alerts the client to wait for a final response. The message consists only of the status line and optional header fields, and is terminated by an empty line. As the HTTP/1.0 standard did not def...
This class of status codes indicates the action requested by the client was received, understood, and accepted. 200 OK 1. Standard response for successful HTTP requests. The actual response will depend on the request methodused. In a GET request, the response will contain an entity corresponding to the requested resource. In a POST request, the res...
This class of status code indicates the client must take additional action to complete the request. Many of these status codes are used in URL redirection. A user agent may carry out the additional action with no user interaction only if the method used in the second request is GET or HEAD. A user agent may automatically redirect a request. A user ...
This class of status code is intended for situations in which the error seems to have been caused by the client. Except when responding to a HEAD request, the server should include an entity containing an explanation of the error situation, and whether it is a temporary or permanent condition. These status codes are applicable to any request method...
The serverfailed to fulfill a request. Response status codes beginning with the digit "5" indicate cases in which the server is aware that it has encountered an error or is otherwise incapable of performing the request. Except when responding to a HEAD request, the server should include an entity containing an explanation of the error situation, an...
The following codes are not specified by any standard. 218 This is fine (Apache HTTP Server) 1. Used by Apache servers. A catch-all error condition allowing the passage of message bodies through the server when the ProxyErrorOverride setting is enabled. It is displayed in this situation instead of a 4xx or 5xx error message. 419 Page Expired (Larav...
The following caching related warning codes were specified under RFC 7234. Unlike the other status codes above, these were not sent as the response status in the HTTP protocol, but as part of the "Warning" HTTP header. Since this "Warning" header is often neither sent by servers nor acknowledged by clients, this header and its codes were obsoleted ...
This is a list of articles about prime numbers. A prime number (or prime) is a natural number greater than 1 that has no positive divisors other than 1 and itself. By Euclid's theorem, there are an infinite number of prime numbers. Subsets of the prime numbers may be generated with various formulas for primes.
List of common display resolutions. This chart shows the most common display resolutions, with the color of each resolution type indicating the display ratio (e.g. red indicates a 4:3 ratio). This article lists computer monitor, television, digital film, and other graphics display resolutions that are in common use.
The United States of America is a federal republic [1] consisting of 50 states, a federal district ( Washington, D.C., the capital city of the United States), five major territories, and various minor islands. [2] [3] Both the states and the United States as a whole are each sovereign jurisdictions. [4] .
NATO in 2024 NATO (North Atlantic Treaty Organization) is an international military alliance consisting of 32 member states from Europe and North America.It was established at the signing of the North Atlantic Treaty on 4 April 1949.Article 5 of the treaty states that if an armed attack occurs against one of the member states, it shall be considered an attack against all members, and other ...
