What are the difference between Notify url and Return url?
PayPal | Notify url and Return url Both of these are used in PayPal payment gateway integration. Notify url is used by paypal to send response regarding current transaction in other word notify about the …
How to set or get config variables in Codeigniter?
Codeigniter | SET or GET config variables The config set_item() & item() functions are work for SET and GET a config variable in codeigniter In Codeigniter, by default, all config variables are located at the “application/config/config.php” …
How to encrypt and decrypt using AWS KMS key in python with boto3
Python | Encrypt and Decrypt using AWS KMS key in python with boto3 This is an example of how to encrypt and decrypt a text using the AWS KMS key. In this, we will use …
How to open pdf file to another tab in browser
HTML | Target attribute To open a pdf file we can use the target attribute of the anchor tag. The target attribute of the anchor tag specifies where to open the linked document. Syntex for using …
What are the difference between mysqli_fetch_object and mysqli_fetch_array?
PHP-MYSQL | mysqli_fetch_object () VS mysqli_fetch_array() mysqli_fetch_object() fetch a result row as an object where as mysqli_fetch_array() fetch a result row as an associative array, a numeric array, or both. mysqli_fetch_object() The mysqli_fetch_object() function returns …
Remove id attribute from an element using jquery
Jquery | Remove id attribute from an element The removeAttr() function from jquery is used to removes one or more attributes from the selected elements. $("div").removeAttr("id"); Here seen an example with complete code …
How can we get the current session id in PHP?
session_id() function There is a function session_id() in php which is use to get and/or set the current session id. string session_id ([ string $id ] ) for getting session id in php we have to …
How can you tell if a number is even or odd without using any condition or loop?
PHP | check whether a number is even or odd A trick to check whether a number is even or odd without using any condition or loop. <?php $arr=array("0"=>"Even","1"=>"Odd"); $check=13; echo "Your number is: ".$arr[$check%2]; …
What is php.ini and .htaccess file?
php.ini and .htaccess file Both php.ini and .htaccess file is the configuration file. php.ini: It is a configuration file for php setting. It is a special file by which you can make changes in PHP …
Cleaning Data in Python Pandas: A Complete Guide
Data cleaning is one of the most essential steps in any data analysis process. Raw data is often messy — it may contain missing values, duplicates, errors, or inconsistent formatting. Fortunately, Pandas provides powerful tools …
Write a example code showing the nested ternary conditional operator in PHP?
PHP | Nested ternary conditional operator An example code showing the nested ternary conditional operator in PHP. <?php $background_color = ($num == 0 ? 'blue' : ($num > 0 ? 'green' : 'red')); ?> Here …
How to Add a Cron Job via SSH?
SSH | Add a Cron Job A corn is a time based job scheduler which runs automatically on unix-like server. It is use to schedule jobs or tasks to runs at fixted date, time or …
Write an SQL query to find names of employee start with 'A'?
SQL | LIKE operator The LIKE operator of SQL is used for such kind of operations. It is used to fetch filtered data by searching for a particular pattern in where clause. The Syntax for …
How to get all keys from AWS KMS in python with boto3
Python | get all keys from AWS KMS in python with boto3 This is an example of how we can get all the CMK(Customer Master Key) from AWS KMS. To get all keys from AWS …
What is use of htmlentities function in PHP?
PHP | htmlentities() The htmlentities() function is used to convert all applicable characters to HTML entities. <?php $str = '<a href="http://www.studyzone4u.com">Let's GO</a>'; echo htmlentities($str); // output will be (source code) <a href=" http://www.studyzone4u.com ">Let's …