Mkotla has Published 77 Articles
mkotla
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The following example shows height, width, color, name, and duration of animation with keyframes syntax −ExampleLive Demo h1 { -moz-animation-duration: 3s; -webkit-animation-duration: 3s; ... Read More
mkotla
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In case, when we refer a user variable which is not assigned any value explicitly, MySQL would return NULL. In other words, its value would be NULL. Following example would illustrate it −mysql> Select @X, @Y, @Z, @S, @G; +------+-------+----------+------+------+ | @X | @Y | @Z ... Read More
mkotla
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Transferring the information between MySQL and data files mean importing data from data files into our database or exporting data from our database into files. MySQL is having two statements that can be used to import or export data between MySQL and data files −LOAD DATA INFILEThis statement is used ... Read More
mkotla
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As we know TEXT data objects are useful for storing long-form text strings. The different TEXT objects offer a range of storage space from 255 bytes to 4 Gb. The following table shows the storage of different kinds of TEXT data type −Type of BLOBMaximum amount of Data that can ... Read More
mkotla
506 Views
MySQL will automatically assign sequence numbers to the AUTO_INCREMENT column even if we insert NULL, 0 or No Value to the column in a table.Examplemysql> create table test123(id INT PRIMARY KEY NOT NULL AUTO_INCREMENT, Name Varchar(10)); Query OK, 0 rows affected (0.15 sec)The query above created a MySQL table named ... Read More
mkotla
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To test if a cookie has expired in JavaScript, add the following condition and check −if( !($.cookie('myCookie') === null) ) { // Do something (cookie exists) } else { // Do something (cookie expired) }You can also check it using a single line code −checkCookie = $.cookie('myCookie') === null ? ( /*Condition TRUE...*/ ) : ( /*Condition FALSE...*/ );
mkotla
3K+ Views
With JavaScript, use the % operator to get the decimal portion of a number.ExampleYou can try to run the following to get decimal portion −Live Demo var num1 = 5.3; var num2 = 4.2; var num3 = 8.6; document.write(num1 % 1); document.write(""+num2 % 1); document.write(""+num3 % 1); Output0.2999999999999998 0.20000000000000018 0.5999999999999996
Why in JavaScript, “if ('0' == false)” is equal to false whereas it gives true in “if(0)” statement?
mkotla
2K+ Views
Let’s see the conditions one by one − if(‘0’ == false)It follows the following rule −If Type(y) is Boolean, return the result of the comparison x == ToNumber(y)The == does type coercion. This means an explicit type conversion is requested to match the type of the two operands. The left side ... Read More
mkotla
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To customize the position of an alert box, use the CSS “top” and “left” properties. We have a custom alert box, which we’ve created using jQuery and styled with CSS.ExampleYou can try to run the following code to customize the position of an alert box −Live Demo ... Read More
mkotla
4K+ Views
With JavaScript, to set more than one cookie, set document.cookie more than once using the; separator.ExampleYou can try to run the following code to set multiple cookies −Live Demo var num=1; function addCookie() { ... Read More
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