Data-link layer uses error control techniques to ensure that frames, i.e. bit streams of data, are transmitted from the source to the destination with a certain extent of accuracy.ErrorsWhen bits are transmitted over the computer network, they are subject to get corrupted due to interference and network problems. The corrupted ... Read More

A stack is an abstract data structure that contains a collection of elements. Stack implements the LIFO mechanism i.e. the element that is pushed at the end is popped out first. Some of the principle operations in the stack are −Push - This adds a data value to the top ... Read More

We cannot imagine our night sky without the bright moon. It adds the whole lot of beauty to the nights and has been the main subject for romantic poets for ages.Coming to the science, without the Moon, Earth will not have the steady tilt and scientists say that life on ... Read More

C++ has no direct method to check one object is an instance of some class type or not. In Java, we can get this kind of facility.In C++11, we can find one item called is_base_of. This will check if the given class is a base of the given object or ... Read More

Use the all property to reset all the properties. Set all property to initial, inherit or unset.ExampleYou can try to run the following code to implement the CSS all propertyLive Demo                    html {             color: blue;          }          #demo {             background-color: yellow;             color: red;             all: inherit;          }                     CSS all property       This is demo text.    

To create a horizontal navigation bar, use the floating list item.ExampleYou can try to run the following code to create a horizontal navigation barLive Demo                    ul {             list-style-type: none;             margin: 0;             padding: 0;          }          li {             float: left;          }          li a {             display: block;             padding: 8px;             background-color: orange;          }                              Home          News          Contact          About          

To create a transparent box with CSS, you can try to run the following codeExampleLive Demo                    div {             background-color: #808000;             padding: 20px;          }          div.myopacity {             opacity: 0.4;             filter: alpha(opacity=80);          }                     Heading       Check trensparency in the below box:                opacity 0.4                      opacity 1          

To style document’s root element, use the CSS: root selector.ExampleYou can try to run the following code to implement the: root SelectorLive Demo                    :root {             background: blue;             color: white;          }                     Heading       This is demo text.    

Use the CSS: read-write selector to select elements with no "readonly" attribute.ExampleYou can try to run the following code to implement the: read-write selectorLive Demo                    input:read-write {             background-color: blue;             color: white;          }                              Subject:          Student:          

Use the CSS :only-of-type selector to style every element that is the only element of its parent.ExampleYou can try to run the following code to implement the :only-of-type selectorLive Demo                    p:only-of-type {           ... Read More