Software Engineering

Snigdha Paul August 31, 2024 No Comments

How to search empty string, spaces, new lines etc through one line regular expression?

We can use a \s to search empty string, spaces, new lines etc.Regular expression will be : ^\s*$ Explanation of the regex : ^ :…

Snigdha Paul August 31, 2024 No Comments

How to check if a pattern does not exist in a string?

I have some lines below in which I want fetch only those lines where .com does not exist: Sample Lines : https://abc.com – Test sitehttps://testProfile.in…

Sandeep Mandal August 31, 2024 No Comments

How to define Schema and create Model with it in Mongoose?

Example: const mongoose = require('mongoose'); mongoose.connect("mongodb://localhost:27017/magesDB"); const userSchema = new mongoose.Schema( { name: { type: String, require: [ true, "Please enter your name" ], },…

Anirban Poddar August 31, 2024 No Comments

Theme customizer live preview with js in wordpress.

For customizer live preview we need to add hook in wp_head & customize_preview_init function. We have to include our customize style & customize preview js…

Sujan Kundu August 31, 2024 No Comments

How to clone a div content into another div using jQuery?

To copy the content of a div into another div, we can use jQuery html(), clone(), append(), etc. In jQuery html() function, it is the…

Saikat Mondal August 31, 2024 2 Comments

How to export data to excel in PHP ?

Exporting data to Excel in PHP can be done using one popular library PhpSpreadsheet . Here’s a basic example of how to use PhpSpreadsheet to…

Arun Giri August 31, 2024 No Comments

How to the Aliases function in SQL query?

SQL Aliases are temporary names for tables or columns in SQL queries. They make tables and column names more readable and reduce query length. Aliases…

Rohit Patra August 31, 2024 No Comments

How To The Eq( ) And Get( ) Functions In JQuery?

Description:- The eq( ) method returns a jQuery object, while the get( ) the method returns a JS object. The eq( ) method can be…

Sushovan Mukherjee August 25, 2024 No Comments

How to fix too many open files problem in Linux

System Administrators might have encountered the problem of “Too many open files” when dealing with dedicated web servers. But you can see that the file…

Saikat Mondal August 24, 2024 No Comments

How to Create WP_List_Table in WordPress

To create a custom WP_List_Table in WordPress- Create a Custom Class: Extend the `WP_List_Table` class to create your custom table in a custom plugin or…

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