Following are the main differences between functions and procedures:FunctionsProceduresA function has a return type and returns a value.A procedure does not have a return type. But it returns values using the OUT parameters.You cannot use a function with Data Manipulation queries. Only Select queries are allowed in functions.You can use ... Read More

You can select a single field in MongoDB using the following syntax:db.yourCollectionName.find({"yourFieldName":yourValue}, {"yourSingleFieldName":1, _id:0});In the above syntax "yourSingleFieldName":1, _id:0 means get all data from one field without _id.To understand the above syntax, let us create a collection with document. The query to create a collection with document is as follows:> ... Read More

In Fractional knapsack problem, a set of items are given, each with a weight and a value. We need to break items for maximizing the total value of knapsack and this can be done in greedy approach.AlgorithmBegin Take an array of structure Item Declare value, weight, knapsack weight and density ... Read More

SVG stands for Scalable Vector Graphics and is a language for describing 2D-graphics and graphical applications in XML and the XML is then rendered by an SVG viewer. Most of the web browsers can display SVG just like they can display PNG, GIF, and JPG.You can draw shapes like circle, ... Read More

Use the column-rule-width property to set the width of the rule between columns.ExampleYou can try to run the following code to implement the column-rule-width property:Live Demo                    .demo {             column-count: 4;         ... Read More

Use the order property to specify the order of a flexible item relative to the rest of the flex items inside the same container.ExampleYou can try to run the following code to implement the order property −Live Demo                    .mycontainer {   ... Read More

To set the speed of the hover, use the transition-duration property. To set the hover, use the :hover selector.ExampleYou can try to run the following code to speed the hover effect −Live Demo                    .btn {           ... Read More

To add rounded corners to a button, use the border-radius property.ExampleYou can try to run the following code to add rounded corners −Live Demo                    .button {             background-color: yellow;             color: black;             text-align: center;             font-size: 15px;             padding: 20px;             border-radius: 15px;          }                     Result       Click below for result:       Result    

Use the transition-duration property in CSS to set how many seconds or milliseconds a CSS transition effect takes to complete −ExampleLive Demo                    div {             width: 150px;             height: 150px;             background: blue;             transition-property: height;             transition-duration: 2s;          }          div:hover {             height: 200px;          }                     Heading One       Hover over the below box to change its height.          

The pprint module (lib/pprint.py) is a part of Python’s standard library which is distributed along with standard Python distribution. The name pprint stands for pretty printer. The pprint module’s functionality enables aesthetically good looking appearance of Python data structures. Any data structure that can be correctly parsed by Python interpreter ... Read More