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  2. Character Map (Windows) - Wikipedia

    en.wikipedia.org/wiki/Character_Map_(Windows)

    A secondary character map program is accessible in a text field on Windows 10 and Windows 11 computers, using the keyboard shortcut ⊞ Win+., or the 😀 key in Windows 10's virtual touch keyboard, which is mainly used for the purposes of using emoji, but also allows access to a smaller set of special characters.

  3. Binary-to-text encoding - Wikipedia

    en.wikipedia.org/wiki/Binary-to-text_encoding

    Files that contain machine-executable code and non-textual data typically contain all 256 possible eight-bit byte values. Many computer programs came to rely on this distinction between seven-bit text and eight-bit binary data, and would not function properly if non-ASCII characters appeared in data that was expected to include only ASCII text ...

  4. Base64 - Wikipedia

    en.wikipedia.org/wiki/Base64

    In computer programming, Base64 (also known as tetrasexagesimal) is a group of binary-to-text encoding schemes that transforms binary data into a sequence of printable characters, limited to a set of 64 unique characters. More specifically, the source binary data is taken 6 bits at a time, then this group of 6 bits is mapped to one of 64 unique ...

  5. Character map - Wikipedia

    en.wikipedia.org/wiki/Character_map

    A Character map utility allows a user to view and enter characters without having a relevant keyboard layout. Implementations include: Implementations include: Character Map (Windows) , component of Microsoft Windows for viewing and copying characters

  6. data URI scheme - Wikipedia

    en.wikipedia.org/wiki/Data_URI_scheme

    A common media type parameter is charset, specifying the character set of the media type, where the value is from the IANA list of character set names. [6] If one is not specified, the media type of the data URI is assumed to be text/plain;charset=US-ASCII. An optional base64 extension base64, separated

  7. Basic access authentication - Wikipedia

    en.wikipedia.org/wiki/Basic_access_authentication

    The resulting string is encoded using a variant of Base64 (+/ and with padding). The authorization method and a space character (e.g. "Basic ") is then prepended to the encoded string. For example, if the browser uses Aladdin as the username and open sesame as the password, then the field's value is the Base64 encoding of Aladdin:open sesame ...

  8. Byte order mark - Wikipedia

    en.wikipedia.org/wiki/Byte_order_mark

    Clause D98 of conformance (section 3.10) of the Unicode standard states, "The UTF-16 encoding scheme may or may not begin with a BOM. However, when there is no BOM, and in the absence of a higher-level protocol, the byte order of the UTF-16 encoding scheme is big-endian." Whether or not a higher-level protocol is in force is open to interpretation.

  9. List of file signatures - Wikipedia

    en.wikipedia.org/wiki/List_of_file_signatures

    Windows Virtual PC Virtual Hard Disk file format [85] 76 68 64 78 66 69 6C 65: vhdxfile: 0 vhdx Windows Virtual PC Windows 8 Virtual Hard Disk file format 49 73 5A 21: IsZ! 0 isz Compressed ISO image: 44 41 41: DAA: 0 daa Direct Access Archive PowerISO 4C 66 4C 65: LfLe: 0 evt Windows Event Viewer file format 45 6C 66 46 69 6C 65: ElfFile: 0 evtx