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The Cache-Control: no-cache HTTP/1.1 header field is also intended for use in requests made by the client. It is a means for the browser to tell the server and any intermediate caches that it wants a fresh version of the resource. The Pragma: no-cache header field, defined in the HTTP/1.0 spec, has the same purpose. It, however, is only defined ...
The user agent string format is currently specified by section 10.1.5 of HTTP Semantics. The format of the user agent string in HTTP is a list of product tokens (keywords) with optional comments. For example, if a user's product were called WikiBrowser, their user agent string might be WikiBrowser/1.0 Gecko/1.0. The "most important" product ...
For these purposes, the Internet Protocol defines the format of packets and provides an addressing system. Each datagram has two components: a header and a payload. The IP header includes a source IP address, a destination IP address, and other metadata needed to route and deliver the datagram. The payload is the data that is transported.
Prior to NDK r14, when "unified" headers were first offered on an opt-in basis, the NDK had forked copies of the platform headers for different API levels. This meant that header-only fixes (fixes to constant or structure definitions, for example) weren't available to most NDK users because they'd be targeting an older API level, but platform ...
The privacy policy can be retrieved as an XML file or can be included, in compact form, in the HTTP header. The location of the XML policy file that applies to a given document can be: specified in the HTTP header of the document; specified in the HTML head of the document
In addition to the binary application code, the executables may contain headers and tables with relocation and fixup information as well as various kinds of meta data. Among those formats listed, the ones in most common use are PE (on Microsoft Windows), ELF (on Linux and most other versions of Unix), Mach-O (on macOS and iOS) and MZ (on DOS).
See also References External links A Accelerated Graphics Port (AGP) A dedicated video bus standard introduced by INTEL enabling 3D graphics capabilities; commonly present on an AGP slot on the motherboard. (Presently a historical expansion card standard, designed for attaching a video card to a computer's motherboard (and considered high-speed at launch, one of the last off-chip parallel ...
The Mach-O header tells us how many load commands exist after the Mach-O header and the size in bytes to where the load commands end. The size of load commands is used as a redundancy check. When the last load command is read and the number of bytes for the load commands do not match, or if we go outside the number of bytes for load commands ...