How to define an empty class in python
Python | Create an empty class In python, it required adding a pass statement to define an empty class. The pass is a special statement in python that does nothing. It just works as a dummy statement. …
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 …
How will you check if a file exists or not using PHP?
PHP | file_exists( ) Function The file's existence can be confirmed using the file_exist() function which takes the file name as an argument. file_exist("abc.jpg") The file_exists() function is an inbuilt function in PHP that …
What is difference between strstr() and stristr() function ?
strstr() and stristr() strstr() and stristr() both are use to find first occurence of a string, but the differences are strstr( ) is case sensitive where as stristr( ) is case insensitive. strstr() – …
List Databases supported By Codeigniter Frameworks
Codeigniter | List Databases supported By Codeigniter Following Databases are supported by Codeigniter Frameworks: Database Name Drivers to support Codeigniter MySQL MySQL (deprecated), MYSQLI and PDO drivers Oracle oci8 and PDO drivers PostgreSQL Postgre and …
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Print html page with css
JQuery | Print HTML page with CSS printThis is a jquery library which can print specific or multiple DOM element without losing css style. Features Print specific & multiple DOM elements Preserve page CSS/styling or add …
What is the default URL pattern used in Codeigniter framework?
Codeigniter | The default URL pattern In CodeIgniter, URLs are designed to be search-engine and user-friendly. CodeIgniter uses a segment-based approach rather than using a "query string" based approach. http://www.example.com/user/edit/rakesh The default URL pattern in …
How to remove index.php in codeigniter?
Codeigniter | Remove index.php from URL in Codeigniter? The file index.php is the root file of Codeigniter. it contains setting code for CodeIgniter. So, when we redirect to other pages the URL comes with index.php …
Executing External URLs in PHP Without Redirecting the User
When working with PHP, there are situations where you may want to trigger an external URL in the background without affecting the user experience. This can be useful for logging, API calls, or background processing …
Print prime number between 1 to 100 in python
Python | Print prime no between 1 to 100 This is an example of how to print all prime numbers between 1 and 100 using for loop. A prime number is a natural number greater …
What is session in php?
Session in php A session is a global variable which is used to store users/sensitive information on the server. Each session register a unique session id which is use to fetch stored value. Session store …
how to get the first 5 words from a string in python
Python | Get the first 5 words from a string This can be done by using the `split()` and `join()` methods >>> massage = 'Today is a sunny day but tomorrow it might rain' >>> …
What is the difference between unlink and unset function?
unlink() and unset() The unlink() and unset() function in php have same functionality (i.e.: delete) but the difference is in the type of data on which they are applied to perform such delete functionalities. unlink() …
How to select dropdown item based on value
JQuery | Select dropdown item based on the value Change the selected option by value on the select box with jQuery is common nowadays. So let us have a select element with the list of …
Save a generated PDF file using php
PHP | Download pdf file To download a pdf file in PHP, we need to use the header() function. In the header() function, we need to pass "Content-Disposition" which is used to supply a recommended filename …