what is the difference between server-sent events (sses) and websockets in html5?
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By far the biggest difference between both technologies is that WebSockets are full-duplex, bidirectional communication between client and server, whereas SSEs are mono-directional. SSEs come with a set of features that WebSockets lack by design, such as automatic reconnection, event IDs and sending arbitrary events.
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Client-side means that the JavaScript code is run on the client machine, which is the browser. Server-side JavaScript means that the code is run on the server which is serving web pages. One runs in the browser, the other runs on the server.
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The main difference among the three is that JavaScript is client-side, i.e., in the browser scripting language, whereas jQuery is a library (or framework) built with JavaScript. Meanwhile, AJAX is a method to immediately update parts of the UI without reloading the web pages.
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Long-polling opens an HTTP request and remains open until an update is received. Upon receiving an update, a new request is immediately opened awaiting the next update. Server-sent events(SSE) rely on a long-lived HTTP connection, where updates are continuously sent to the client.
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Web is limited to 4 sockets with a max of 16 cores vs standard which is 4 sockets with a max of 24 cores. Web has no failover cluster instance or availability group support unlike standard which has some limited support. No row level security or data masking in web. It is in standard.
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Whenever there is something like asynchronous call or timeout function, it comes stack then it passes to the browser which can do it multiple things together, after finishing the tasks browser puts callback queue, event loop keep looking at the stack and callback queue, when it finds the stack empty it puts first from ...
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The two biggest differences between web browsers are support and rendering: Support includes scheduled updates such as security updates, bug fixes and adding new CSS, HTML, JavaScript and other special functionality to the browser.
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Node. js is a single threaded language which in background uses multiple threads to execute asynchronous code. ... js is non-blocking which means that all functions ( callbacks ) are delegated to the event loop and they are ( or can be ) executed by different threads.
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The 'Global Send Key Events' function sends keystroke 'events' to the active application, which is not necessarily the target application. ... This differs from the Global Send Keys function which sends keystrokes to the attached application (whichever object the Application Modeller is attached to).
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All GObject-based libraries are designed to support language bindings to other languages such as Python. To the point of your question, GObject provides an event system known as "signals". Any object derived from GObject can "emit" signals to send notifications of an event occurring.
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Exchange Web Services (EWS) in Exchange 2010. Exchange Web Services (EWS) provides the functionality to enable client applications to communicate with the Exchange server. ... SOAP provides the messaging framework for messages sent between the client application and the Exchange server. The SOAP messages are sent by HTTP.
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Server-side scripting is used at the backend, where the source code is not viewable or hidden at the client side (browser). On the other hand, client-side scripting is used at the front end which users can see from the browser. When a server-side script is processed it communicates to the server.
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Server-side is the systems that run on the server, and client-side is the software that runs on a user's web browser. Client-side web development involves interactivity and displaying data, server-side is about working behind the scenes to manage data.
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1. A client/server application uses a two-tier architecture whereas a web application uses multi-tier architecture. 2. In a client/server application, the user interaction with the server is mainly through a user interface whereas in a web application the user interaction is through a compatible web browser.
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Client-side means that the action takes place on the user's (the client's) computer. Server-side means that the action takes place on a web server.
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While plain Observables are unicast (each subscribed Observer owns an independent execution of the Observable), Subjects are multicast. A Subject is like an Observable, but can multicast to many Observers. Subjects are like EventEmitters: they maintain a registry of many listeners.
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Difference between Web Browser and Web Server. Web Browser is a software which is used to browse and display pages available over internet whereas web server is a software which provides these documents when requested by web browsers. ... A web browser sends request to server for web based documents and services.