Knowledge Base

Rohit Patra December 14, 2024 No Comments

How To The Write `<cffile action=”uploadAll”>` Function In ColdFusion?

Description:- Copies all files sent to the page in an HTTP request to a directory on the server. <cffile action = "uploadAll" allowedExtensions = "comma-separated…

Snigdha Paul December 7, 2024 No Comments

Why we use (?<!…) instead of (?!…) while matching a pattern which should not be preceded by a specific pattern?

Lets see through example. We have two strings below ,Out First is Hello World. How is it?Out First is Hi World. How is it?I want…

Saikat Mondal December 7, 2024 2 Comments

How to Use Prefixes with Laravel Routes for Better URL Organization?

Route prefixing in Laravel is a method that lets you apply a common URL prefix to a group of routes. This helps in keeping your…

Anirban Poddar December 7, 2024 No Comments

How to Convert Objects to Strings in javascript?

To convert a objects to strings we can use JSON.stringify() or String() functions. Here is an example follows. // program to convert an object to…

Sandeep Mandal December 7, 2024 No Comments

What is the use of JavaScript Array every() method?

Usage: The JavaScript Array every() method is used to check if all elements in an array pass a test provided by a specified function. Example:…

Rohit Patra December 7, 2024 No Comments

How To The Write `<cffile action=”rename”>` Function In ColdFusion?

Description:- Renames or moves a file on the server. <cffile action = "rename" destination = "pathname" source = "full pathname" attributes = "file attributes list"…

Snigdha Paul November 30, 2024 No Comments

How to check if an html element exists or not using jQuery?

We can check an html element’s existence through checking its length. If length is greater than 0 that means element exist and if 0 that…

Saikat Mondal November 23, 2024 No Comments

How to Submit a Form with jQuery from an External Link

To submit a form using jQuery when a link outside of the form is clicked, you can use the submit() method of jQuery to trigger…

Snigdha Paul November 23, 2024 No Comments

How to add comments in regex?

We can explain our regular expression within the expression using comments. Syntax:(?#Commented Code) Suppose we have a two strings below:Hello worldhello World Regex to match…

Anirban Poddar November 23, 2024 No Comments

How to use map, reduce and filter in javascript?

The map(), reduce() and filter() are array functions are used for  manipulate or modifying an array instead of using the loops. Here is an example…