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header

 
Dictionary: head·er   (hĕd'ər) pronunciation
n.
  1. One that fits a head on an object.
  2. One that removes a head from an object, especially a machine that reaps the heads of grain and passes them into a wagon or receptacle.
  3. A pipe that serves as a central connection for two or more smaller pipes.
  4. A floor or roof beam placed between two long beams that supports the ends of the tailpieces.
  5. A brick or stone laid at a right angle to the face of a wall so that only its short end is showing. Also called bonder.
  6. Informal. A headlong dive or fall.
  7. Sports. A pass or shot made in soccer by heading the ball.
  8. Textual information, such as a title, date, or page number, positioned in the top margin of a page and usually repeated throughout a document.
  9. A raised tank or hopper that maintains a constant pressure or supply to a system, especially the small tank that supplies water to a central heating system.

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Top margin of a printed document, which repeats on every page and, according to a specific computer program, can include text, pictures, automatic consecutive page numbers, date, and time. See also Footer.

Thesaurus: header
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noun

  1. The act of plunging suddenly downward into or as if into water: dive, nosedive, plunge, swoop. See enter/exit.
  2. A sudden involuntary drop to the ground: dive, fall, nosedive, pitch, plunge, spill, tumble. See rise/fall.

Architecture: header
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1. A masonry unit, laid so that its ends are exposed, overlapping two or more adjacent withes of masonry and tying them together; a bondstone; a bonder.
2. A header joist.
3. A framing member which crosses and supports the ends of joists, rafters, etc., transferring the weight of the latter to parallel joists, rafters, etc.
4. In plumbing, a pipe having many outlets which are parallel and frequently at 90° to the center line of the pipe.
5. A chamber into which a number of pipes open.
6. A platform header.
7. A transverse raceway for electrical conductors which provides access to a cellular floor, thereby permitting the convenient installation of electrical conductors.
8. The structural member immediately over a door opening.


Wikipedia: Header (computing)
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In information technology, header refers to supplemental data placed at the beginning of a block of data being stored or transmitted. In data transmission, the data following the header are sometimes called the payload or body.

It is vital that header composition follow a clear and unambiguous specification or format, to allow for parsing.

Examples

  • In an e-mail, the text (body) is preceded by header lines indicating sender, recipient, subject, sending time stamp, receiving time stamps of all intermediate and the final mail transfer agents, and much more. (See RFC 5322 for details.)
  • In a data packet sent via the Internet, the data (payload) are preceded by header information such as the sender's and the recipient's IP addresses, the protocol governing the format of the payload and several other formats. The header's format is specified in the Internet Protocol.

See also

External links


Translations: Header
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Dansk (Danish)
n. - hovede, toptekst, overskrift

Nederlands (Dutch)
kopbal, duik, snoekduik, terugkerende tekst bovenaan pagina, maaier, spijker/ -speldenkoppenmaker, kopsteen

Français (French)
n. - faire une tête, (Sport) tête, (Comput) en-tête, (Constr) boutisse, (Tech) réservoir de compensation

Deutsch (German)
n. - Kopfsprung, Kopfball, Köpfmaschine, Kopfsetzer, Ausgleichsbehälter, Textkopf, Binder(stein)

Ελληνική (Greek)
n. - βουτιά (με το κεφάλι), κεφαλιά, κουτουλιά, (οικοδ.) μπατικό τούβλο, (Η/Υ) κωδικός αναγνώρισης εισαγόμενων δεδομένων, (τυπογρ.) κεφαλίδα, δείκτης κορυφής σελίδας

Italiano (Italian)
tuffo, colpo di testa

Português (Portuguese)
n. - colocador (m) de cabeças (Mec.), cabeçada (f), cabeçalho (m)

Русский (Russian)
прыжок в воду, падение вниз головой, насадка, магистраль

Español (Spanish)
n. - salto de cabeza, cabezazo, encabezamiento, membrete

Svenska (Swedish)
n. - dykning, nick (fotb.), bindare (mur.), skördemaskin (som topphugger sädesbrodden), rubrik

中文(简体)(Chinese (Simplified))
首领, 收割台, 队长

中文(繁體)(Chinese (Traditional))
n. - 首領, 收割台, 隊長

한국어 (Korean)
n. - 서류 각각의 페이지의 위쪽

日本語 (Japanese)
n. - 穂先刈り取り機, 逆飛び込み, 逆さに落ちること, ヘディング, ヘッダー, 穂刈り機

العربيه (Arabic)
‏(الاسم) الراسي, العنوان الكامل للمؤسسه في أعلى الرساله, الجزء المطبوع بأحرف كبيرة بارزة ويعلو الأسطر الأولى من الصفحه‏

עברית (Hebrew)
n. - ‮נגיחה בכדור (כדורגל), קפיצת ראש, מיכל מים לשמירה על לחץ תקין במערכת אינסטלציה, כותרת דף, מסמך וכד', לבנה המונחת בזווית ישרה לקיר‬


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Dictionary. The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.  Read more
Business Dictionary. Dictionary of Business Terms. Copyright © 2000 by Barron's Educational Series, Inc. All rights reserved.  Read more
Thesaurus. Roget's II: The New Thesaurus, Third Edition by the Editors of the American Heritage® Dictionary Copyright © 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.  Read more
Architecture. McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc. All rights reserved.  Read more
Wikipedia. This article is licensed under the Creative Commons Attribution/Share-Alike License. It uses material from the Wikipedia article "Header (computing)" Read more
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