Use of object element in html5. using for embed an element in an html document.this element support in all browsers.we can embed pdf,flash,java applet etc. see the below example we can change the data=”test.pdf”,data=”pic.jpeg”,data=”hello.html” Note:element also using for embeding pdf,image,flash etc. Eg:,only difference is this element does not have closing tags.
die(‘message’); die function will stpos the excution of the script and print the message. exit() is an alias of the die function.
Local Storage: in local storage data is storing in the browser its secure and more data can store Local storage data storing in two object 1.window.localStorage 2.window.sessionStorage Local storage data will not be deleted after closing the browser. it will be avaialble in the user browser for ever. Example for Storing local storage. localStorage.myval=’vasanthan’ ;–… Read More »
|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 |
function fibonacci( limit ){ var prev = 0; var curr = 1; console.log(prev); console.log(curr); do{ next = prev + curr; prev = curr; curr = next; console.log(next); }while( curr < limit ) } fibonacci(500); |
The join keyword is used in an mysql statement to query data from two or more tables,based on the relationship between certains columns in the tables. Below are the different types of joins with syntax 1.INNER JOIN-Returns rows when there is at least one match in both tables. Eg:select column_names from table_name1 INNER JOIN table_name2… Read More »
DDL (Data Definition language) statements are used to define the database structure or schema following are the examples. 1.CREATE- To create objects in the database. 2.ALTER- alter the structure of the database. 3.DROP- delete objects from the database 4.TRUNCATE-remove all records from the table,including all the spaces allocated for the records are removed. 5.COMMENT-add comments… Read More »
Use the rawurlencode() function to solve this issue. Eg: suppose subject is coming from php scripts
|
1 2 3 |
$subject= "Hello You & me are friends"; <a href="mailto:contact@mydoubts.in?subject=<?php echo rawurlencode($subject);?>" target="_blank">Send mail</a> |
Use the below code to send both email and subject into the writemail option of the mailbox
|
1 |
<a href="mailto:contact@mydoubts.in?subject=technical tips" target="_blank">Send mail</a> |
|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 |
Usually jquery will use $ sign for shorcut in Jquery. if more than one javascript library(backbone,angular etc) is using in a webpage. In this case if we use $ sign as shortcut.Suppose if two framework use the $sign as shortcut in that one will stop working. to handle this we will use 'noconflict' More clarification see the below example var mytest=$.noConflict(); mytest(document).ready(function() { mytest("button").click(function() { alert('testing noconflict'); )}; )}; |
array_walk function will run each array element inside a function see the below examples
|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 |
function testarraywalk($value,$key) { echo $value; echo $key; echo "<br>"; } $myArray=array("0"=>"vasanthan","1"=>"mydoubts.in","2"=>"wordsgallery.com"); array_walk($myArray,"testarraywalk"); //output //vasanthan0 //mydoubts.in1 //wordsgallery.com2 |
array_slice() function will slice the array from one element to other for example
|
1 2 3 4 5 6 7 8 9 10 |
$myArray=array("vasanthan","mydoubts.in","wordsgallery.com"); print_r(array_slice($myArray,1,2,true)); echo "<br>"; print_r(array_slice($myArray,1,2,false)); // output Array ( [1] => mydoubts.in [2] => wordsgallery.com ) Array ( [0] => mydoubts.in [1] => wordsgallery.com ) ?> |