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How To Set Up A Solidity Project And Create Your First Smart Contract

Jun 14, 202116 min read

There are many programming languages out there. But there are not many that were created solely to create smart contracts. Those programs that run on the blockchain. Programs that create crypto coins, NFTs, or whole decentralized exchanges (DEX). If ...

Solidity Quick Tip: Efficiently Swap Two Variables

Jun 13, 20212 min read

Everything you do in Solidity has a cost associated with it: gas. Gas is the unit measuring the computing power the network provides to you when you execute smart contract logic. The more code you write, the more gas the execution costs. There are a ...

JavaScript Quick Tip: Quickly Filter Out All Falsy Values From An Array

Jun 11, 20212 min read

Working with arrays in a functional way has mostly become the default when working with JavaScript these days. Why should you use a traditional imperative loop, like for, for..of, while, do..while, etc., when you can use map, filter, and forEach? The...

JavaScript Quick Tip: Make Function Arguments Required With Default Parameters

Jun 11, 20212 min read

Have you ever written code like this? const myFunction = (argument) => { if (argument == null) { throw new Error('argument is a required argument'); } } Guarding against invalid arguments is perfectly fine. It's way better than failing at so...

JavaScript Quick Tip: Quickly Get All Unique Values From An Array

Jun 10, 20212 min read

The array is still one if not the major data structure in JavaScript. Especially given the fact that Set and Map were introduced way later, many developers have grown comfortable either going with a plain array or using a library for this purpose. If...

JavaScript Quick Tip: The Nullish Coalescing Operator

Jun 4, 20212 min read

Have you ever written code like this? const result = a || b; It works pretty well until it doesn't. Using the logical OR to get a value or a fallback works 90% of the time you use it. But the other 10% are actually when you hit falsy values, which m...