Software Engineering

Snigdha Paul November 2, 2024 No Comments

What is {1},{2}… etc. in regex?

When we search a pattern one or more time we use ‘*’. But Sometime we want to search a character or a pattern for a…

Anirban Poddar November 2, 2024 No Comments

How to get the closest element by selector in js?

To get the closest element by a selector, you can use the element.closest(). See the following example: const closestElement = targetElement.closest(selector); <ul id="parentElement" class="level-1"> <li id="ii"…

Sandeep Mandal November 2, 2024 No Comments

How to measure time taken by your code to execute in JavaScript?

We can measure the execution of a code block by using console.time() method. Syntax: console.time( "label" ); function_to_call( ); console.timeEnd( "label" ); Example: function measureExecutionTime(…

Saikat Mondal November 2, 2024 No Comments

How to Create Tables With Laravel Migrations ?

Create a Migration:Open your terminal and run the command php artisan make:migration create_table_name_table Replace table_name with your desired table name.Define the Table StructureLocate the migration…

Arun Giri November 2, 2024 No Comments

How to use Exists function on the SQL query?

The SQL EXISTS operator is a boolean operator used in SQL to check whether a subquery returns any rows. It returns TRUE if the subquery…

Rohit Patra November 2, 2024 No Comments

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

Description:- Deletes a file from its location on the server. <cffile action = "delete" file = "full pathname" > Attributes:- action:- This is a required…

Sourav Paul October 28, 2024 No Comments

How to add GOOGLE Recaptcha to the website?

Do you need google Recaptcha in your site. Then you need to sign up for an API key pair for your site. The original pair…

Saikat Mondal October 26, 2024 No Comments

How to Create Custom Middleware in Laravel

Middleware acts as a bridge between a request and the application. It can intercept incoming requests, process them, and even terminate them before they reach…

Snigdha Paul October 26, 2024 No Comments

What does ‘(?<!…)’ or negative lookbehind represents in regex (Regular expression)?

(?<!…) is used to checks if any preceding character or pattern does not match the specified pattern.Syntax: (?<!preceedingPattern)patternLet’s see with example: We have some lines…

Snigdha Paul October 26, 2024 No Comments

How to search a word separately through regex?

Suppose we have some lines below from where we just want to cut out ‘hello’ regardless of its case.Lines: fetch hello onlynot hello-worldavailable hellonot the…

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