Building real-time chat app using WebSockets with AWS API Gateway and Lambda

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| By Navneet Kashyap

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

How to be a good Technical Writer

| By Webner

In software development world, technical writers are those who write about technology, software manuals, “How to” guides etc. They gain understanding of the complex products and explain them in a precise manner to the target audience. Technical writers put themselves

Moodle | Call to undefined method mysqli_native_moodle_database :: insert_records()

| By Webner

We were using insert_records() function to insert multiple records in a Moodle database table but it was not working. We checked for errors by adding following lines in config.php file of moodle: @error_reporting(E_ALL | E_STRICT); @ini_set(‘display_errors’, ‘1’); $CFG->debug = (E_ALL

Secure Apache Webserver

| By Webner

By default Apache web server does not come with all the securities enabled. We have to enable enhanced securities before making it live & accessible to the outside world. Remove Server Version Banner : Modify httpd.conf and add following directives

How To get list of all system defined properties in java

| By Webner

Just write below line in your main java program and it will show you all System defined properties. System.out.println(System.getProperties()); Some of the important properties that we can use generally: 1. user.dir will give project root directory location. 2. java.class.path will