Author Archive
17 Nov 2013
Fetch Duplicate Records
following is the query through which we can fetch duplicate records in our table, let’s take a example of emp table:- “SELECT name FROM emp GROUP BY name HAVING COUNT(name) > 1” we will get duplicate names from emp table.
17 Nov 2013
short_open_tag
Generally we use “<?php …… ?>” to write the php code, but we can also use “<? ……….. ?>” tags to write the php code, these are call short open tag in php. To make this tag work we have to make “short_open_tag = On” php php.ini file which exists in c:\xampp\php folder.
14 Nov 2013
@ Magic
@ is use to avoid the warning. Example :- when we use session_start(), some time it will display the error “Warning: Cannot modify header information – headers already sent by” to avoid this warning we can start session like :- @session_start();
14 Nov 2013
About Php
php is server side scripting language. Php developed in 1995 by Rasmus Lerdorf. Early versions PHP was called Personal Home Page but it not seem to be a technical, so php rename “Hypertext Preprocessor”, or we can say “Personal Home Page Hypertext Preprocessor”. Advantages :- 1) Its free. 2) Open source. 3) Easy to understand.
13 Nov 2013
get_permalink function
get_permalink() is a function in WordPress through which we can get the link of post or page. This function is helpful when we are customizing our posts or page. For Ex. I have called all the post whose category id is 3 on page and want to display a link of detail page of the
12 Nov 2013
Add Dynamic Sidebar in WordPress
Steps for how to add Dynamic Sidebar in WordPress:- 1. Register sidebar in function.php as other sidebar registered, we can copy and past the as given in function.php for other sidebars. 2. Call on page:- dynamic_sidebar(‘sidebar-4’);