DEV Community: Wasim Shaikh

Free Online Discount Calculator – Instantly Calculate Your Savings

Wasim Shaikh — Mon, 25 Aug 2025 13:04:16 +0000

Discount Calculator PWA – A lightweight online discount calculator web app that instantly calculates savings and discounted prices for products and services. Fully responsive, works offline, and installable as a Progressive Web App (PWA). Perfect for shoppers, businesses, and e-commerce websites.

Discount Calc

Why Use an Online Discount Calculator?

Instantly calculate discount percentages.
Avoid manual errors when computing savings.
Works on any device – desktop, mobile, or tablet.
100% free and available as a Progressive Web App (PWA).

How to Use the Discount Calculator?

Enter the original price.
Enter the discount percentage.
Click “Calculate” to get your final price and savings.

Try it now: Open Discount Calculator

Key Features

Simple, clean, and responsive design.
PWA-enabled – works offline after installation.
Lightweight and fast-loading.
Supports multiple discount calculations quickly.

Source Code

Github

via - Original Post

Get notification for Affiliate Sale

Wasim Shaikh — Sat, 22 Jul 2023 18:27:59 +0000

Get your self motivated with your sale from Admitad (affiliate programs) with automatic notification for sale.

Summary: You already have approved Admitad account, and want mobile notification for sale.

Follow these sample steps, we are going to use Pipedream as automation (Free).

Step 1: Create New *Pipedream Account * Pipedream and Create new Workflow.

Step 2: Create new Webhook Request as shown in below image.

Step 3 : Add Postback URL in Admitad Dashboard

If you are marketer , dont worry about the technical terms :) just follow the steps as shown in the Image.

Select Option as above image , and past webhook url in link field.

Add Postback Parameters.

Test your postback URL

Check response in Pipedream Workspace

Step 4: Add new Step in Pipedream and Select "Send Email"

Add subject and body for email notification

Offer Name - {{steps.trigger.event.body.program}} Payment - {{steps.trigger.event.body.payment}}

Click on Test and You will receive test email notification

You can now Deploy the Pipedream work flow and whenever there is new sale, you will get email notification.

Liferay theme custom setting

Wasim Shaikh — Tue, 21 Sep 2021 19:53:48 +0000

Update the Look and feel XML File

Add custom variable

How to Add Facebook Pixel to Liferay [Easy Guide]

Wasim Shaikh — Sun, 19 Apr 2020 21:23:13 +0000

You can easily install Facebook’s remarketing/retargeting pixel in Liferay.

In this article, we will show you how to install Facebook remarketing/retargeting pixel in Liferay.

What is Facebook Pixel?

When you visit a website, you start seeing their ads on Facebook? This is called retargeting.

Its like Google Analytics code which give information about user location, device information and in Facebook case its provides detailed information about user behaviour.

This allows Facebook to retarget users visiting your website on Facebook.

Step 1: Get Facebook Pixel Code

Assuming you already have the Facebook Ad account and you have the Pixel code.

You can follow official guide for Facebook Pixel

<script>
  !function(f,b,e,v,n,t,s)
  {if(f.fbq)return;n=f.fbq=function(){n.callMethod?
  n.callMethod.apply(n,arguments):n.queue.push(arguments)};
  if(!f._fbq)f._fbq=n;n.push=n;n.loaded=!0;n.version='2.0';
  n.queue=[];t=b.createElement(e);t.async=!0;
  t.src=v;s=b.getElementsByTagName(e)[0];
  s.parentNode.insertBefore(t,s)}(window, document,'script',
  'https://connect.facebook.net/en_US/fbevents.js');
  fbq('init', 'XXXXXX');
  fbq('track', 'PageView');
</script>
<noscript><img height="1" width="1" style="display:none"
  src="https://www.facebook.com/tr?id=XXXXXX&ev=PageView&noscript=1"
/></noscript>

Step 2: Add Facebook Pixel code using Theme

If you want only basic integration of the Facebook remarketing and code available on every pages of Liferay instance you can add Pixel code in theme.

In your theme edit theme template.

theme-name/src/templates/portal_normal.ftl

Add pixel code before closing of the head tag.

Once theme is updated and deployed, Facebook Pixel will be available on all the pages.

Note: If you change the theme or use custom theme for some public pages. Facebook Pixel will not fire on that Liferay page.