Building real-time chat app using WebSockets with AWS API Gateway and Lambda
We can build many real-time applications such as chat applications, multiplayer games, financial trading platforms, and collaboration platforms using WebSockets with AWS API Gateway, Lambda, and dynamoDB. In this blog we will learn how to build real-time applications using WebSockets
Invisible/Zero-width characters in IE
Introduction In Internet Explorer, many times you might have faced issues of invalid date from Date Conversion methods or might have worked with Javascript methods for operations on data. In my case, I used some conversion operation on a date
RxJS (Reactive Extensions for JavaScript)
Introduction to RxJS RxJS is a popular library among web developers. It provides some features like functional and reactive programming patterns that support working with events and streams. Rxjs provides the functionality to write asynchronous code. The current stable version
Validating Downloaded File Using Selenium
Validating downloaded files in automation testing In the manual testing process, it is easy validating that the file is downloaded or not because the human mind is fully involved in the testing process. But in the case of automation testing,
Font SVG icon issues in IE
Problem After downloading the setup of CSS for icon files (.eot, .woff, .tff.) from font awesome library, Devextreme icons, and UI operations like selecting checkboxes inside the Devextreme Datagrid were not working on IE in my c# .net web application.
Laravel 5.4 Logs And Errors
Introduction Logfiles: Logs are files that keep a registry or records of events, processes, messages that occur in the operating system or any software that runs. Laravel provides the robust logging services that allow the user to log messages to
PHP Best Practices
Below are the best practices that should be followed in PHP: 1. define() vs. const In the early version of PHP, one would use define() function to set constants. But with new updates in PHP gained one more way to
Why not use JSON.stringify in JavaScript?
Why JSON.stringify Shouldn’t Be Used To Compare Objects In JavaScript? In javascript, equality operator == or === can be used to compare numerics and strings. But when we will compare objects using these operators, then it will not work as
What is Bootstrap Panel?
Introduction Bootstrap is a popular HTML, CSS, and JavaScript framework for developing a responsive and mobile-friendly website. It includes jumbotron, table, button, grid, form, image, alert, wells, container, carousel, panels, glyph icon, badges, labels, progress bar, pagination, pager, list group,
Creating Rest API in Node Js
Rest API Rest API is an application program interface, that uses GET, POST, PUT, DELETE data. It is referred to as a REPRESENTATIONAL STATE TRANSFER (RESTful) web service. Creating the API Creating Rest API in Node Js firstly needs to
