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Web Architectures (Web services (WADL (WADL is a Web Application…
Web Architectures
Web services
A web service provides functionality to its customer applications through an interface independent of its underlying OS, prog. lang. or implementation technology
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W3C
The World Wide Web Consortium is the main international standards organization for the World Wide Web
W3C is led by Tim Berners-Lee who is founder of the World Wide Web (WWW) and invented the HTTP protocol
WWW is an information system where web resources are identified by URL:s and are accessible from servers through internet
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What is?
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Basics on HTTP servers, HTML, CSS and JS
WA word holds the whole architecture of we app, like servers, load balancers, browser, cloud storage, data warehouse, database and caching services
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Web Apps
Simple web app could consist of browser, web server, file system, application server and a DB
SPA
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Loading the UI once makes the page faster and more efficient, also reduces server load
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All client application logic is visible, all data sources on the server are visible
In SPA server returns first HTML and JS layer, after this only content is loaded possibly as JSON
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HTML5
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Web workers give possibility to put app processes into separate spaces so they don't block each other
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JavaScript
Event.preventDefault() stops the event from acting with the designed default way, stops form event from sending the form data
DOM
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DOM manipulation should happen through some JS library like Jquery, BackboneJS or React
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React
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React is declarative: design different views for each state which will efficiently updated and rendered
React is component based: build components that manage their own state and structure them together into more complex UIs
React maintains an internal representation of the rendered UI as a virtual DOM that renders only the changed elements
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