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Cross-Origin Resource Sharing (CORS)

Cross-Origin Resource Sharing (CORS)

Cross-Origin Resource Sharing (CORS) is a mechanism that uses additional HTTP headers to tell a browser to let a web application running at one origin (domain) have permission to access selected resources from a server at a different origin. A web application makes...
A quick Java web service

A quick Java web service

SEI -> service endpoint – it does all the soap conversions for soap calls using JAX-WS/RS libs. Write Web Service Client a) Create Java Project b) import a wsdl by wsimport command – It will generate all the .class files for web service (Process: looks at WSDL URL,...
Quick Notes for REST Services

Quick Notes for REST Services

#Roy Thomas Fielding is architect of REST. He is one of the principal author of HTTP specification, an authority on compter network architecture and co-founder if Apache HTTP server project. He was named as ne of the top 100 innovators in the world under age of 35....
HTML Flexbox

HTML Flexbox

Flexbox or flexible boxes technique is used to design a HTML page layout so that it can accommodate different viewport sizes on different display devices. It is very different from the block model where it doesn’t use floats or margins. It consists of flex containers...
Pseudo-classes

Pseudo-classes

A pseudo-class is used to define a special state of an element. For example, it can be used to: Style an element when a user mouses over it Style visited and unvisited links differently Style an element when it gets focus Syntax You can specify a pseudo-classes as...