How to check if an EOS account has a smart contract

Figuring out if an EOSIO account is a smart contract is an easy task if you are operating off-chain. One simply hits the get_code endpoint of an EOSIO node with the account name and checks whether the response is not .But what if you want to check if there’s a smart contract…

Launching EOS Token Portfolio

Traditional block explorers make it hard to see how your token balances evolve over time - something I always wanted to see for my own dapp accounts, but also for analyzing other accounts. This is mainly because they show all transactions instead of only the relevant transfer…

How to deploy a create-react-app with github-actions

Here’s a quick guide on how to deploy a CRA (create-react-app) to GitHub pages using GitHub actions. We’ll create a GitHub Action workflow that runs the build command and then deploys the directory by pushing it to the branch.Setup1. Prefix URLsGitHub pages urls looks like , so…

Progress Report - January 2020

I post a progress report showing what I did and how my products performed each month. Last month’s report can be seen here.What did I do Hours worked on side-projects in JanuaryI worked 61 productive hours last month. I really made use of those weekends. 💪To make these progress…

How to rollback to an older EOSIO.CDT version with brew

Recently, EOSIO.CDT 1.7 has been released, but it has a severe bug where it crashes when trying to compile a contract using an in one of its table structures.If you’re on MAC you might wonder how to roll-back to a previous EOSIO.CDT version using brew.Sadly, there’s no…

Goals 2020

Progress Report - December 2019

De-anonymizing eosblender.com

EOSIO - How to pay for users' CPU

EOSIO Dev Puzzle - What's the max amount of RAM that can possibly be consumed by storing a single uint64

Progress Report - November 2019

Earn on your unused CPU and help the EOS network!

Progress Report - October 2019

Progress Report - September 2019

What really happened during the EOSPlay hack

Progress Report - August 2019

Progress Report - July 2019

How to fetch any secondary EOSIO table index using eosjs

Progress Report - June 2019

Advanced EOSIO programming concepts

Progress Report - May 2019

How EOS code and ABI hashes are computed

Progress Report - April 2019

Blog redesign with Gatsby and TailwindCSS

Progress Report - March 2019

How to create beautiful epub programming ebooks

Progress Report - February 2019

Progress Report - January 2019

How to write pandoc plugins in Nodejs

Goals for 2019

Progress Report - December 2018

Deferred Transactions on EOS

Difference Boolean Constructor and Double Negation

Progress Report - November 2018

Deploying EOS contracts using EOS.js

Progress Report - October 2018 - No more mobile apps 😬

EOS 1.3 Contract Development Toolkit Updates

C++ Guide for EOS Development - Header files

C++ Guide for EOS Development - Multi-Index Container

Progress Report - September 2018

C++ Guide for EOS Development - Iterators & Lambda Expressions

C++ Guide for EOS Development - Templates

C++ Guide for EOS Development - Classes and Structs

Progress Report - August 2018

C++ Guide for EOS Development - Call by value / reference

C++ Guide for EOS Development - Basics

Learnings from building my first dapp on EOS blockchain

Progress Report - July 2018

Introducing King of EOS 🥁

Bugs in V8's Exponentiation Operator

Progress Report - June 2018

Building a landing page in Vue.js

React just got ugly - React 16.4 Update

Progress Report - May 2018

Async / Await - Return values

React - Fun with keys

Progress Report - April 2018

You might not need React Context

Importing Blender 3D Model with Texture to Three.js

Progress Report - March 2018

Lazy-loading images with React and Semantic UI

Thoughts on making EOS development easier

Progress Report - February 2018

How to access Google Spreadsheets with Node

Differences in Defining ES6 Class Methods

Creating a Remind-Me bot for Steem

Progress Report - January 2018

Splitting your app into micro-processes

Book Review - Attack of the 50 Foot Blockchain

How does Steem work, anyway?

Goals for 2018

Progress Report - December 2017

How to cross-post to Steem

How to cross-post to Medium

Progress Report - November 2017

Released my fifth React Native app

Trying DynamoDB for the first time

Progress Report - October 2017

Progress Report - September 2017

Headless Chrome in Node.js

Progress Report - August 2017

Progress Report - July 2017

React Native CodePush Cheat Sheet

Progress Report - June 2017

Progress Report - May 2017

Lightweight Progress Circles in React Native

Progress Report - April 2017

Book Summary - Clean Code

Progress Report - March 2017

Getting Song Lyrics in Node.js

Creating Dynamic Promise chains

Progress Report - February 2017

Google Drive in React Native

JavaScript void Keyword

Progress Report - January 2017

How to use D3.js in React

Playing around with Relay and GraphQL

Book Summary - Heard On The Street - Quantitative Questions from Wall Street Job Interviews

Creating Google AdSense Reports with Express

Progress Report - December 2016

Book Summary - On Writing Well

How is async/await transpiled to ES5

How are generators transpiled to ES5

Released my fourth React Native app

Styling TimePickerAndroid in React Native

Structuring Redux Selectors

How to set appParams in React-Native

Progress Report - November 2016

Book Summary - Team Geek

How to create a React Native Android Library

Ultimate Guide to non-working CSS margins

How to use React in Markdown

How to migrate from Wordpress to Phenomic

Moving from WordPress to a Static Site Generator

Publishing React Native App on Android

What I learned from building my first React Native App

Set React Native App Icon When Minimized

Charts in React Native with React-Native-SVG and D3.js

How to add Permissions in React Native

How to Get The Size of a React Native View Dynamically

Performance Optimizations in Redux' mapStateToProps

How to create a Pull Request on GitHub

Why you should not use mapStateToProps too often

Modifying a Leaf of the Redux State Tree

Styling DatePickerAndroid in React Native

How to create a More-Popup Menu in React-Native

Better JS Logger for Debugging

Limitations of the react-native JS engine

Enumerating a Grid in Spiral Order

Using Actions in Redux the Correct Way

Drawing Fractals with L-Systems in D3.js

Moving Wordpress to a different domain

Javascript ES6 + Babel.js + Grunt with Sublime Text

Howto Raytracer: Ray / Triangle Intersection Theory

Howto Raytracer: Ray / Plane Intersection Theory

Howto Raytracer: Ray / Sphere Intersection Theory

Creating seamless textures the easy way

Understanding front faces - winding order and normals