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WebP is a raster graphics file format developed by Google intended as a replacement for JPEG, PNG, and GIF file formats. It supports both lossy and lossless compression, [ 8] as well as animation and alpha transparency . Google announced the WebP format in September 2010, and released the first stable version of its supporting library in April ...
an image that is not rectangular can be filled to the required rectangle using transparent surroundings; the image can even have holes (e.g. be ring-shaped) in a run of text, a special symbol for which an image is used because it is not available in the character set, can be given a transparent background, resulting in a matching background.
PGP supports message authentication and integrity checking. The latter is used to detect whether a message has been altered since it was completed (the message integrity property) and the former, to determine whether it was actually sent by the person or entity claimed to be the sender (a digital signature). Because the content is encrypted ...
v. t. e. HTTP header fields are a list of strings sent and received by both the client program and server on every HTTP request and response. These headers are usually invisible to the end-user and are only processed or logged by the server and client applications. They define how information sent/received through the connection are encoded (as ...
This help page is a . The markup language called wikitext, also known as wiki markup or wikicode, consists of the syntax and keywords used by the MediaWiki software to format a page. (Note the lowercase spelling of these terms. [ a]) To learn how to see this hypertext markup, and to save an edit, see Help:Editing.
In ASCII, the letters PNG, allowing a person to identify the format easily if it is viewed in a text editor. 0D 0A. A DOS -style line ending (CRLF) to detect DOS-Unix line ending conversion of the data. 1A. A byte that stops display of the file under DOS when the command type has been used—the end-of-file character.
Spy pixel. Spy pixels or tracker pixels are hyperlinks to remote image files in HTML email messages that have the effect of spying on the person reading the email if the image is downloaded. [1] [2] They are commonly embedded in the HTML of an email as small, imperceptible, transparent graphic files. [3]
Spacer GIFs themselves were small transparent image files. GIF files were used as it was a common format that supported transparency, unlike JPEG. These files were commonly named spacer.gif, transparent.gif or 1x1.gif. Prior to the widespread adoption of Cascading Style Sheets (CSS), the spacer GIFs were used to control blank space within a web ...