Quantcast
Channel: QNimate » Narayan Prusty
Browsing latest articles
Browse All 22 View Live

Storing Data Locally in a Intel XDK App

This post is a part 53 of Intel XDK Complete Tutorial post series. I wrote an article on how to store data locally in cordova based apps. As Intel XDK builds cordova apps therefore the technique is...

View Article



Image may be NSFW.
Clik here to view.

Express.js Middleware Tutorial

Developers who are new to Express often get confused with the difference between route handler and middleware. Therefore they also get confused with the difference between app.use(), app.all(),...

View Article

Image may be NSFW.
Clik here to view.

ES6 Reflect API Tutorial

This post is a part 18 of ECMAScript 6 Complete Tutorial post series. Object reflection is an language ability to able to inspect and manipulate object properties at runtime. JavaScript already had...

View Article

Find Recorded Audio File Location in Cordova

Many people use the Media Plugin to record audio in cordova apps. Here is an sample code that shows how to record: var extension = null; document.addEventListener("deviceready", function(){...

View Article

Image may be NSFW.
Clik here to view.

Pointing Domain to AWS Elastic Load Balancing

Amazon ELB is an auto scalable load balancer that sits in front of EC2 instances and distributes traffic between them. Client communicates with ELB not with EC2 instances directly. When you create a...

View Article


Calculating Nonce for Raw Transactions in Geth

Here is the code to calculate the transaction nonce for raw transactions in Ethereum’s geth client. function getNonce(address, callback) {     web3.eth.getTransactionCount(address, function(error,...

View Article

Image may be NSFW.
Clik here to view.

Writing Upgradable Smart Contracts in Solidity

As you must be aware that smart contracts are immutable programs that run exactly as programmed without any third party interface. Smart contracts cannot be modified once they are deployed which is...

View Article

Blockchain based Identity, Records Management and Voting using AWS

The purpose of tutorial article is to understand the architecture and thought process of building a blockchain based decentralised identity, records management and voting solution using AWS for the...

View Article


EIP-1557 – Ethereum Transaction Fees and Block Size

Post London upgrade which implements EIP-1559, Ethereum has changed how block size and transaction fees works. Block Gas Limit Earlier Ethereum block gas limit was calculated using the below formula:...

View Article

Browsing latest articles
Browse All 22 View Live




Latest Images