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Express.js, or simply Express, is a back end web application framework for building RESTful APIs with Node.js, released as free and open-source software under the MIT License. It is designed for building web applications and APIs. [2] It has been called the de facto standard server framework for Node.js. [3]
Node.js uses an event loop for concurrent I/O, instead of processes or threads. [59] In contrast to other event-driven servers, [which?] Node.js's event loop does not need to be called explicitly. Instead, callbacks are defined, and the server automatically enters the event loop at the end of the callback definition.
The system has no central server so commands can be launched from any node and they will replicate to all nodes. Juju Juju concentrates on the notion of service, abstracting the notion of machine or server, and defines relations between those services that are automatically updated when two linked services observe a notable modification.
When the user agent wants to send authentication credentials to the server, it may use the Authorization header field. The Authorization header field is constructed as follows: [9] The username and password are combined with a single colon (:). This means that the username itself cannot contain a colon.
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vaadin-password-field: An input field for entering passwords masked by default Apache 2.0 ProgressBar: vaadin-progress-bar: Shows the completion status of a task or process Apache 2.0 Radio button: vaadin-radio-button: Allows to select exactly one value from a list of related but mutually exclusive options Apache 2.0 RichTextEditor: vaadin-rich ...
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OPIE is the initialism of "One time Passwords In Everything". Opie is a mature, Unix-like login and password package installed on the server and the client which makes untrusted networks safer against password-sniffing packet-analysis software like dSniff and safe against shoulder surfing. It works by circumventing the delayed attack method ...