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
Access S3 buckets from EC2 instances
Access S3 buckets from EC2 instances We’ll follow few steps to access S3 bucket from EC2 instance with the help of ROLE that grants access to the bucket. For this we’ll use IAM to create the role. Quick steps below:
Error while installing python packages (pyinstaller)
Error while installing python packages (pyinstaller) While we were installing pyinstaller as per requirement in our window (8) system, it was causing the following error: After struggling very much, we found that it was due to conflict with the Perl
How to implement Login with Google Account
This post explains how to implement Login / Sign-In with Google Introduction :- Google Sign-In helps to increase the customers on your website. Because current trend is almost all the users have a Google Account and they can login to
Jquery | DataTables warning: table id – Cannot reinitialise DataTable
If you try to set properties of Jquery datatable 2 times as below, it will give an error: table = $(‘#product-data-table’).DataTable({stateSave: true}) ; table = $(‘#product-data-table’).DataTable ({“aoColumns”: [ { “bSortable”: false },null,null,null ] }); “DataTables warning: table id=product-data-table – Cannot
Data Sanitization using PHP
Understanding PHP data sanitization with an example In PHP data sanitization is a process in which we remove unwanted content from the strings to make them safe to use in HTML code. For example if user types Javascript code in
Enable Beta Testing of Custom Alexa Skill
Enable Beta Testing of Custom Alexa Skill Amazon provides us a feature to test our custom skill before publishing it to production. By enabling the beta testing, we can test the skill on amazon devices and apps. Amazon facilitate us
SequenceMatcher in Python and Calling Python Script in PHP
Introduction to SequenceMatcher in Python and Calling Python Script in PHP SequenceMatcher is a class in Python which compares pairs of sequences of any type.SequenceMatcher is a class which comes under the difflib module. It provides classes and functions for
Headless Browser Introduction and Examples
Headless Browser Testing With Selenium Webdriver Headless is a browser which does not have a GUI. A headless browser runs a testing script even though when there is no browser installed on our system such as we need the latest
View State Problem in Salesforce
View State in Salesforce It is a state that holds tags, field values and all component of controller except transient type. The maximum size limit of visualforce page is 132KB. If the size increase it results in View state problem.