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Why dont we use the focus.(frm.txt2.focus()) ???

a) sizeof(array)/sizeof(element)
b) you cant (well, you can, eg. by using realloc, counting
from 0 up, and checking the result etc. but this is absurd),
its best to keep track somehow how many elements are there
in the array, but the BEST solution is…do NOT use dynamic
arrays at all, use std containers instead like vector.

there are three tier application
1–first tier Client “Request”
2–second tier Web server or PHP “Response from Back end or third tier”
3–third tier Mysql or BackEnd Database

Step:-1 Open the folder “application/config” and open the file “config.php“. find and replace the below code in config.php file.

//find the below code
$config[‘index_page’] = “index.php”
//replace with the below code
$config[‘index_page’] = “”
Step:-2 Go to your CodeIgniter folder and create .htaccess

Path:
Your_website_folder/
application/
assets/
system/
.htaccess <——— this file
index.php
Step:-3 Write below code in .htaccess file

RewriteEngine On
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule ^(.*)$ index.php/$1 [L]

Step:-4 In some case the default setting for uri_protocol does not work properly. To solve this problem just open the file “application/config/config.php“, then find and replace the below code

//Not needed for CodeIgniter 3 its already there.
//find the below code
$config[‘uri_protocol’] = “AUTO”
//replace with the below code
$config[‘uri_protocol’] = “REQUEST_URI”
Thats all but in wamp server it does not work because rewrite_module by default disabled so we have need to enable it. for this do the following

Left click WAMP icon
Apache
Apache Modules
Left click rewrite_module