Mindblown: a blog about philosophy.

A Uniform Resource Locator (URL), which is commonly called a web address, is a reference to a web resource specifying its location on the computer network and a mechanism for restoring it. A URL is a special type of Uniform Resource Identifier (URI), although sometimes these two terms are used interchangeably. In the majority web…

XHTML ( EXtensible HyperText Markup Language), developed by World Wide Consortium (W3C) in 2000, is the more extended version of the popular HTML. It is the same HTML but defined as an XML application, which combines the advantages of both HTML and XML. XHTML retains all the features of HTML but introduced more strict rules for creating…

An HTML tag is usually defined as a character set that provides a formatted command for a web page. Tags provide directions for visual content. In early times, HTML tags were responsible for the most part of web code. However, today their importance has decreased. HTML tags include tags for headlines or titles, tags for…

The Multipurpose Internet Mail Extensions, known also as MIME type, is a specification extending the format of email to support sending images, audio/video files, archives, etc. The specification is standardized in IETF RFC 6838. Browsers generally use the MIME type (and not the file extension) to determine how to process a document; that’s why it is…

The users may get an error while sending a request to a server. Definitely, the user has seen such messages frequently. Here you can find the list of Hypertext Transfer Protocol (HTTP) response status codes. These codes are used to respond to the request of the client made to the server. There are 5 classes of HTTP…

To embed an image to a web page use the <img> tag. The <img> tag supports a number of required and optional attributes, which give additional information about it. Syntax The <img> tag is empty, which means that the closing tag isn’t required. It contains only attributes. But in XHTML, the (<img>) tag must be closed (<img/>). Required…

HTTP (Hypertext Transfer Protocol) is created to provide communication between clients and the server. It works as a request and answer. There are two basic HTTP methods: GET and POST. GET Method The GET method of HTTP requests data from a specified source. GET requests can be cached and remain in the browser history. It…

Keyboard shortcuts are used to invoke a command in the operating system or software, which can be accessed with a menu or a mouse. These shortcuts offer an easier method of using computer programs. You can access them differently, depending on your computer system. On PC computers, the Alt key, and on Apple computers, the…

There are a lot of symbols that are not present on a standard keyboard (mathematical, technical, currency symbols, etc.). Also, there are symbols, which cannot be used because they can cause confusion. For example, we cannot use (>) greater than because in HTML this symbol stands for a tag, and the browser won’t show it. In HTML,…

8-bit Unicode Transformation format, called UTF-8, is a variable width character encoding that can encode all of the 1.111.064 valid code points in Unicode wit one to four 8-bit bytes. The number “8” means 8-bit blocks are used by UTF for representing a character. Since 2009, UTF-8 has been the leading encoding for the World Wide…