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When a user visits a page, the fingerprinting script first draws text with the font and size of its choice and adds background colors (1). Next, the script calls Canvas API’s ToDataURL method to get the canvas pixel data in dataURL format (2), which is basically a Base64 encoded representation of the binary pixel data.
Base64 is particularly prevalent on the World Wide Web [1] where one of its uses is the ability to embed image files or other binary assets inside textual assets such as HTML and CSS files. [2] Base64 is also widely used for sending e-mail attachments, because SMTP – in its original form – was designed to transport 7-bit ASCII characters ...
Many variations have been developed, including OpenStreetMap's short link [4] (using base64 instead of base32) in 2009, the 64-bit Geohash [5] in 2014, the exotic Hilbert-Geohash [6] in 2016, and others.
MrSID (pronounced Mister Sid) is an acronym that stands for multiresolution seamless image database.It is a file format (filename extension.sid) developed and patented [2] [3] by LizardTech (in October 2018 absorbed into Extensis) [4] for encoding of georeferenced raster graphics, such as orthophotos.
To send binary files through certain systems (such as email) that do not allow all data values, they are often translated into a plain text representation (using, for example, Base64). Encoding the data has the disadvantage of increasing the file size during the transfer (for example, using Base64 will increase the file's size by approximately ...
The British husband of a Thai woman whose body was found in the Yorkshire Dales more than 20 years ago has been arrested on suspicion of her murder.
See today's average mortgage rates for a 30-year fixed mortgage, 15-year fixed, jumbo loans, refinance rates and more — including up-to-date rate news.
Allows Apache to set environment variables based on different parts of a request parsed by regular expressions and encode/decode Base64. [105] mod_so: Version 1.3 and newer: Stable Extension: Apache Software Foundation: Apache License, Version 2.0