example C and C++) the functions are declared in header files. Footer Protocol overhead Trailer (computing), used in computer networking Field (computer...
2 KB (325 words) - 16:30, 27 February 2025
In computing, the User-Agent header is an HTTP header intended to identify the user agent responsible for making a given HTTP request. Whereas the character...
15 KB (1,788 words) - 01:20, 12 February 2025
header in Wiktionary, the free dictionary. Header may refer to: Header (computing), supplemental data at the beginning of a data block E-mail header HTTP...
2 KB (281 words) - 14:05, 11 May 2025
User Datagram Protocol (redirect from IPv6 pseudo header)
IPv4 addresses. When computing the checksum, again a pseudo header is used that mimics the real IPv6 header: The checksum is computed over the following...
22 KB (2,789 words) - 14:22, 6 May 2025
Internet checksum (redirect from IPv4 header checksum)
complement of the one's complement sum of all 16 bit words in the header. For purposes of computing the checksum, the value of the checksum field is zero. If...
5 KB (713 words) - 19:24, 18 January 2025
Email (redirect from E-mail headers)
header. Each email message has a header (the "header section" of the message, according to the specification), comprising a number of fields ("header...
81 KB (8,982 words) - 16:07, 26 May 2025
Header bidding is a programmatic advertising strategy where publishers offer their ad inventory to multiple ad exchanges simultaneously before making calls...
30 KB (3,234 words) - 15:12, 21 May 2025
Technologies. Amsterdam: IOS Press. ISBN 1-58603-559-2. see e.g., Page header or Header (computing) The concept of "dimension" is often applied to tables in different...
14 KB (1,461 words) - 11:42, 25 May 2025
Concurrent computing is a form of computing in which several computations are executed concurrently—during overlapping time periods—instead of sequentially—with...
29 KB (3,004 words) - 17:17, 16 April 2025
IPv4 (redirect from IPv4 Header)
Header Checksum: 16 bits The IPv4 header checksum field is used for error checking of the header. Before sending a packet, the checksum is computed as...
42 KB (5,616 words) - 11:14, 4 June 2025
In computing, tar is a shell command for combining multiple computer files into a single archive file. It was originally developed for magnetic tape storage...
36 KB (4,037 words) - 22:06, 2 April 2025
Transmission Control Protocol (redirect from TCP header)
5 bits × 32 bits = 160 bits = 20 bytes. We can compute the TCP length as (Total Length) − (IPv4 Header Length) i.e. 200 − 20, which results in 180 bytes...
109 KB (12,941 words) - 18:55, 17 June 2025
User agent (category Clients (computing))
client–server system. The HTTP User-Agent header is intended to clearly identify the agent to the server. However, this header can be omitted or spoofed, so some...
1 KB (115 words) - 18:52, 31 May 2025
In electronics and particularly computing, a jumper is a short length of conductor used to close, open or bypass part of an electronic circuit. They are...
6 KB (699 words) - 05:38, 25 March 2025
CRC-based framing (redirect from Header Error Control)
needed] For a tutorial and an example of computing the CRC see mathematics of cyclic redundancy checks. The header CRC/HEC is needed for another purpose...
6 KB (896 words) - 01:30, 26 April 2024
parameters in the header. Chunks may also be fragments of information which are downloaded or managed by P2P programs. In distributed computing, a chunk is...
1 KB (133 words) - 18:44, 7 October 2024
IPsec (redirect from Authentication Header)
In computing, Internet Protocol Security (IPsec) is a secure network protocol suite that authenticates and encrypts packets of data to provide secure...
44 KB (5,337 words) - 03:03, 15 May 2025
Raspberry Pi (section GPIO header)
applications, omitting onboard ports and GPIO headers in favour of a carrier board interface. Compute Modules are offered in one of two formats: a board...
111 KB (10,545 words) - 23:15, 16 June 2025
In computing and telecommunications, the payload is the part of transmitted data that is the actual intended message. Headers and metadata are sent only...
3 KB (326 words) - 04:08, 17 April 2025
of work to compute, but the proof can be verified efficiently. For email uses, a textual encoding of a hashcash stamp is added to the header of an email...
19 KB (2,549 words) - 02:03, 11 June 2025
In computing, POST is a request method supported by HTTP used by the World Wide Web. By design, the POST request method requests that a web server accepts...
10 KB (1,253 words) - 14:16, 24 May 2025
Internet Control Message Protocol (section Header)
an IP datagram first decrements the time to live (TTL) field in the IP header by one. If the resulting TTL is 0, the packet is discarded and an ICMP time...
30 KB (2,867 words) - 05:44, 14 May 2025
Ethernet frame (redirect from Ethernet header)
packet at the physical layer. Each Ethernet frame starts with an Ethernet header, which contains destination and source MAC addresses as its first two fields...
26 KB (3,290 words) - 22:24, 29 April 2025
also available in the C++ standard library, though in different headers (the C headers are included as well, but only as a deprecated compatibility feature)...
26 KB (1,095 words) - 09:51, 8 June 2025
Executable and Linkable Format (section ELF header)
of one ELF header, followed by file data. The data can include: Program header table, describing zero or more memory segments Section header table, describing...
38 KB (2,202 words) - 15:09, 13 June 2025
a line, the router reads the network address information in the packet header to determine the ultimate destination. Then, using information in its routing...
43 KB (4,748 words) - 06:05, 26 May 2025
In computing, load balancing is the process of distributing a set of tasks over a set of resources (computing units), with the aim of making their overall...
49 KB (6,559 words) - 09:50, 17 June 2025
denoted by 1. The simple pixel encoding and the small size of the file header mean that the file size is kept to a minimum, enabling fast transmission...
2 KB (109 words) - 17:44, 12 January 2025
ZIP (file format) (redirect from Zipping (computing))
CT: WinZip Computing, S.L. 19 May 2009. Retrieved 24 May 2009. "What is a Zipx File?". Winzip: Knowledgebase. Mansfield, CT: WinZip Computing, S.L. 13 August...
58 KB (6,739 words) - 07:08, 9 June 2025
Checksum (redirect from Header checksum)
xxHash Error correction Hamming code Reed–Solomon error correction IPv4 header checksum Hash functions List of hash functions Luhn algorithm Parity bit...
10 KB (1,198 words) - 15:27, 14 June 2025