Aerospace Engineering Online: Technology Update (January/February 2005) Error 404--Not Found

Error 404--Not Found

From RFC 2068 Hypertext Transfer Protocol -- HTTP/1.1:

10.4.5 404 Not Found

The server has not found anything matching the Request-URI. No indication is given of whether the condition is temporary or permanent.

If the server does not wish to make this information available to the client, the status code 403 (Forbidden) can be used instead. The 410 (Gone) status code SHOULD be used if the server knows, through some internally configurable mechanism, that an old resource is permanently unavailable and has no forwarding address.

Error 404--Not Found

Error 404--Not Found

From RFC 2068 Hypertext Transfer Protocol -- HTTP/1.1:

10.4.5 404 Not Found

The server has not found anything matching the Request-URI. No indication is given of whether the condition is temporary or permanent.

If the server does not wish to make this information available to the client, the status code 403 (Forbidden) can be used instead. The 410 (Gone) status code SHOULD be used if the server knows, through some internally configurable mechanism, that an old resource is permanently unavailable and has no forwarding address.

Technology update

January/February 2005

Quiet please!

While major technology efforts are being made to reduce external noise created by commercial aircraft, improving cabin acoustics is also an industry aim. As previously reported, the UK research company, QinetiQ, has developed a predictive acoustic modeling capability based on its studies of the attenuation of sound and vibration through complex structures such as an aircraft fuselage. Now, the company has revealed that it is providing predictive acoustic modeling for the Boeing 7E7 Dreamliner. QinetiQ is also in "ongoing dialogue" with Boeing on a number of other technology areas in support of the 7E7's requirements. The two companies announced a Memorandum of Understanding in February 2004 that covered areas including aviation security, air traffic management, fuel cells, and acoustics.
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Error 404--Not Found

Error 404--Not Found

From RFC 2068 Hypertext Transfer Protocol -- HTTP/1.1:

10.4.5 404 Not Found

The server has not found anything matching the Request-URI. No indication is given of whether the condition is temporary or permanent.

If the server does not wish to make this information available to the client, the status code 403 (Forbidden) can be used instead. The 410 (Gone) status code SHOULD be used if the server knows, through some internally configurable mechanism, that an old resource is permanently unavailable and has no forwarding address.

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