Knowledge Base

Snigdha Paul April 5, 2025 No Comments

How to filter out element from a list of maps using where() method in Dart?

We use where() method with collections (like list, set ..) to filter out that collection elements. A where() method returns a new iterable which satisfies…

Anirban Poddar April 5, 2025 No Comments

How to add/remove active class to menu item in jQuery ?

We can add/remove active class while click on menu item in jQuery. Here is the example of html, css & jquery code. <!-- html starts…

Rohit Patra April 5, 2025 No Comments

How To The Write `directoryCreate( path )` Function In ColdFusion?

Description:- This is used to create a directory on disk or in memory. directoryCreate( path ); Attributes:- path:- This is a required attribute, the path of…

Snigdha Paul March 22, 2025 No Comments

How to store, retrieve and delete any key-value pair through SharedPreferences in flutter?

Through SharedPreferences we can store and retrieve key value pair even after closing the app. The key-value pair stored through SharedPreferences are not deleted after…

Anirban Poddar March 22, 2025 No Comments

How to use @font-face rule in css?

The @font-face rule allows custom fonts to be loaded on a webpage. When you have not installed fonts in your computer but want to use, just include…

Sandeep Mandal March 22, 2025 No Comments

How to create variables in PHP?

In PHP, variables are created using the $ (dollar sign) followed by the variable name. You do not need to declare the type explicitly (PHP…

Saikat Mondal March 22, 2025 No Comments

How to Change The Register URL on WordPress Default Login Page ?

To change the registration URL on the WordPress default login page, you can use a custom function in your theme’s functions.php file or a custom…

Rohit Patra March 22, 2025 No Comments

How To The Write `directoryExists( path )` Function In ColdFusion?

Description:- This is used to determine whether a directory exists either on disk or in memory. directoryExists( path ); This function returns a boolean value.…

Snigdha Paul March 15, 2025 No Comments

How to use replaceAll() function in dart?

replaceAll() is a string method. It is used to replace all occurrences of the specified substring inside a string with another substring. Syntax:actualString.replaceAll( oldSubstring, newSubstring…

Sandeep Mandal March 15, 2025 No Comments

How to use foreach loop with index in PHP?

In PHP, the foreach loop with the key => value format is used to iterate over associative or indexed arrays. This format allows us to…