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Application programming interface – Web APIs

When used in the context of web development, an API is typically a defined set of Hypertext Transfer Protocol (HTTP) request messages, along with a definition of the structure of response messages, which is usually in an Extensible Markup Language (XML) or JavaScript Object Notation (JSON) format. While “Web API” is virtually a synonym for [...]

Shared web hosting service – Implementation

Shared web hosting can be accomplished in two ways: name-based and IP-based, although some control panels allow a mix of name-based and IP-based on the one server. Name-based In name-based virtual hosting, also called shared IP hosting, the virtual hosts serve multiple hostnames on a single machine with a single IP address. When a web [...]

Mod proxy – Introduction

mod_proxy is an optional module for the Apache HTTP Server . This module implements a proxy/gateway/cache for Apache. It implements proxying capability for or AJP13 (Apache JServ Protocol version 1.3), FTP, CONNECT (for SSL), HTTP/0.9, HTTP/1.0, and (since Apache 1.3.23) HTTP/1.1. The module can be configured to connect to other proxy modules for these and [...]

Embedded system – Embedded software architectures

There are several different types of software architecture in common use. Simple control loop In this design, the software simply has a loop. The loop calls subroutines, each of which manages a part of the hardware or software. Interrupt controlled system Some embedded systems are predominantly interrupt controlled. This means that tasks performed by the [...]

JavaScript engine – History

Before the second browser wars in 2008-2009, the JavaScript engine (also known as JavaScript interpreter or JavaScript implementation) was known simply as an interpreter that read and executed JavaScript source code. The first JavaScript engine was created by Brendan Eich at Netscape Communications Corporation for the Netscape Navigator web browser. The engine, code named SpiderMonkey, [...]

JavaScript – Use in web pages

Main|Client-side JavaScript See also|JavaScript engine|Ajax (programming) The primary use of JavaScript is to write functions that are embedded in or included from HTML pages and that interact with the Document Object Model (DOM) of the page. Some simple examples of this usage are: * Opening or popping up a new window with programmatic control over [...]

Mod ssl – Introduction

mod_ssl is an optional module for the Apache HTTP Server. Provides strong cryptography for the Apache v1.3 and v2 webserver via the Secure Sockets Layer (SSL v2/v3) and Transport Layer Security (TLS v1) cryptographic protocols by the help of the Open Source SSL/TLS toolkit OpenSSL. It is possible to provide HTTP and HTTPS with a [...]

SME Server – Development

Open Source Components * Apache ** Webserver * Qmail with Qpsmtpd ** Mail server * Djbdns and dnscach ** Domain name system server * Proftpd ** FTP server * Samba ** windows file sharing * SSH, PPTP, HTTP over SSL ** remote administration * Flexbackup ** tape backups * Horde ** webmail Adapted from the [...]

WebSockets – Proxy traversal

WebSocket protocol client implementations try to detect if the user agent is configured to use a proxy when connecting to destination host and port and, if it is, uses HTTP CONNECT method to set up a persistent tunnel. While the WebSocket protocol itself is unaware of proxy servers and firewalls, it features an HTTP-compatible handshake [...]









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