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For this reason, modified Base64 for URL variants exist (such as base64url in RFC 4648), where the '+' and '/' characters of standard Base64 are respectively replaced by '-' and '_', so that using URL encoders/decoders is no longer necessary and has no effect on the length of the encoded value, leaving the same encoded form intact for use in ...
In this example, the image data is encoded with utf8 and hence the image data can broken into multiple lines for easy reading. Single quote has to be used in the SVG data as double quote is used for encapsulating the image source. A favicon can also be made with utf8 encoding and SVG data which has to appear in the 'head' section of the HTML:
The signature is calculated by encoding the header and payload using Base64url Encoding RFC 4648 and concatenating the two together with a period separator. That string is then run through the cryptographic algorithm specified in the header. This example uses HMAC-SHA256 with a shared secret (public key algorithms are also defined).
A binary-to-text encoding is encoding of data in plain text.More precisely, it is an encoding of binary data in a sequence of printable characters.These encodings are necessary for transmission of data when the communication channel does not allow binary data (such as email or NNTP) or is not 8-bit clean.
For example, this is the source of the special handling of plus sign, '+' within browser URL percent encoding (which today, with the deprecation of indexed search, is all but redundant with %20). Also some web servers supporting CGI (e.g., Apache ) will process the query string into command line arguments if it does not contain an equals sign ...
For example, a tag of 1 indicates that the following number is a Unix time value. A tag of 2 indicates that the following byte string encodes an unsigned bignum . A tag of 32 indicates that the following text string is a URI as defined in RFC 3986 .
2025 fitness trends are expected to include strength training, a holistic mind-body approach, more wearable tech, and AI-generated workouts, to name a few.
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