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September 2015) (Learn how and when to remove this message) A callback is often back on the level of the original caller. In computer programming , a callback is a function that is stored as data (a reference ) and designed to be called by another function – often back to the original abstraction layer .
Message-ID is a unique identifier for a digital message, most commonly a globally unique identifier used in email and Usenet newsgroups. [1] Message-IDs are required to have a specific format which is a subset of an email address [2] and be globally unique. No two different messages must ever have the same Message-ID.
Base64 encoding can be helpful when fairly lengthy identifying information is used in an HTTP environment. For example, a database persistence framework for Java objects might use Base64 encoding to encode a relatively large unique id (generally 128-bit UUIDs) into a string for use as an HTTP parameter in HTTP forms or HTTP GET URLs. Also, many ...
The messages that flow between computers to request services in a client-server environment can be designed as the linearizations of objects defined by class objects known to both the client and the server. For example, a simple linearized object would consist of a length field, a code point identifying the class, and a data value.
The server will not accept the request without a valid Content-Length. [8]: §7.4.12 Deprecated by omission from later RFCs [1] and by non-registration with the IANA. [2] 412 Conditional Request Failed The given precondition has not been met. [9] 413 Request Entity Too Large Request body too large. [1]: §21.4.11 414 Request-URI Too Long
The term was coined by Bertrand Meyer in connection with his design of the Eiffel programming language and first described in various articles starting in 1986 [1] [2] [3] and the two successive editions (1988, 1997) of his book Object-Oriented Software Construction.
OpenCL (Open Computing Language) is a framework for writing programs that execute across heterogeneous platforms consisting of central processing units (CPUs), graphics processing units (GPUs), digital signal processors (DSPs), field-programmable gate arrays (FPGAs) and other processors or hardware accelerators.
In particular, it has been argued that await is the best way of writing asynchronous code in message-passing programs; in particular, being close to blocking code, readability and the minimal amount of boilerplate code were cited as await benefits. [35]