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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]
A downside of this single-threaded approach is that Node.js does not allow vertical scaling by increasing the number of CPU cores of the machine it is running on without using an additional module, such as cluster, [55] StrongLoop Process Manager, [56] or pm2. [57] However, developers can increase the default number of threads in the libuv ...
FastCGI, SCGI, and AJP which allow long-running application processes handling more than one request to be hosted externally; i.e., separately from the Web server. Each application process listens on a socket; the Web server handles an HTTP request and sends it via another protocol (FastCGI, SCGI or AJP) to the socket only for dynamic content ...
Each tree node in the structure implements the org.w3c.dom.Node interface. Among the many different types of tree nodes, each representing the type of data found in an XML document, the most important include: element nodes that may have attributes; text nodes representing the text found between the start and end tags of a document element.
For a typical web application, the application server sits behind the web servers. An application server framework is a service layer model. It includes software components available to a software developer through an application programming interface. An application server may have features such as clustering, fail-over, and load-balancing.
Unit is defined as a single behaviour exhibited by the system under test (SUT), usually corresponding to a requirement [definition needed].While it may imply that it is a function or a module (in procedural programming) or a method or a class (in object-oriented programming) it does not mean functions/methods, modules or classes always correspond to units.
Spring Roo is a community project which provides an alternative, code-generation based approach at using convention-over-configuration to rapidly build applications in Java. It currently supports Spring Framework, Spring Security and Spring Web Flow. Roo differs from other rapid application development frameworks by focusing on:
The Document Object Model (DOM) is a cross-platform and language-independent interface that treats an HTML or XML document as a tree structure wherein each node is an object representing a part of the document. The DOM represents a document with a logical tree. Each branch of the tree ends in a node, and each node contains objects.