We can use arithmetic operators (+, -, *, /) with the unit values of INTERVAL keyword as follows −Use of Addition (+)mysql> Select date('2017-10-22' + INTERVAL 2+2 Year) AS 'Date After (2+2)Years'; +------------------------+ | Date After (2+2) Years | +------------------------+ | 2021-10-22             | +------------------------+ ... Read More

Both the data types store data in “YYYY-MM-DD HH:MM:SS” format and include date as well as time. In spite of these similarities they are having the following differences −Range − Datetime data type supports a date along with time in the range between 1000-01-01 00:00:00 and 9999-12-31 23:59:59. But timestamp ... Read More

JavaScript allows us to write our own functions as well. To invoke a function somewhere later in the script, you would simply need to write the name of that function.ExampleYou can try to run the following code to learn how to call a function in JavaScript −       ... Read More

To get an integer in the string “abcde 30”, use the following regex in JavaScript, else it will return NaN. With that, use parseInt() to get the numbers with regex under String match() method −ExampleLive Demo                    var myStr = "abcdef 30";          var num = parseInt(myStr.match(/\d+/))          alert(num);          

To show an image in alert box, try to run the following code. Here, an alert image is added to the custom alert box −ExampleLive Demo                                function functionAlert(msg, myYes) {   ... Read More

Most web servers have their own set of size limits on HTTP request headers. The HTTP Header values are restricted by server implementations. The following are the limits of some of the most popular web servers −Web ServerSize LimitApache8KNginx4K-8KIIS8K-16KTomcat8K – 48KIf the header size exceeds the above limit, the server ... Read More

Use the .modal class to define the style for the body of the modal.You can try to run the following code to implement the .modal class −ExampleLive Demo           Bootstrap Example                       ... Read More

Tooltips are useful when you need to describe a link. The plugin was inspired by jQuery.tipsy plugin written by Jason Frame. Tooltips have since been updated to work without images, animate with a CSS animation, and data-attributes for local title storage.The tooltip plugin generates content and markup on demand, and ... Read More

This operator is just like the >>operator, except that the bits shifted in on the left are always zero i.e. xeroes are filled in from the left.ExampleYou can try to run the following code to learn how to work with unsigned right shift operator −           ... Read More

Use the .lead class in Bootstrap to increase the font size of a paragraph.You can try to run the following code to implement lead class −ExampleLive Demo           Bootstrap Example                                          Football          FIFA          The 2018 FIFA World Cup is the 21st FIFA World Cup.          FIFA, 2018 is going on in Russia.