Solidity Ethereum – code a voting smart contract
by Learn how to create a secure voting smart contract in Solidity for Ethereum using NodeJS and Hardhat ensuring best practices including blockchain unit testing. Code …
Category: Javascript
NodeJS – Plot Ethereum price on a series chart
Let’s explore together how to use CanvasJS in order to create a historical series chart of the Ethereum price (in EUR). We will use an …
Use NodeJS to retrieve current Ethereum price
Want an easy way to get ETH price in NodeJS? This coding tutorial is for you! We will use 2 free APIs in order to …
Javascript / Linux / Snapcraft
Crafting a Snap package from a NodeJS application
Snaps are purposefully designed to be easy to use and maintain, offering added benefits of security and scalability. Encapsulating your NestJS app into a snap …
RavenDB many to many relationships – the most efficient way
In my last article I showcased a very straightforward way of implementing a one to many relationship in RavenDB with an index. This is the …
Development / General / Javascript / NestJS / RavenNest / Typescript
How to implement RavenDB suggestions with NestJS
Hey there! Since I will be away for a couple of weeks, I’d like to share with you an easy implementation of RavenDB suggestion capability …
Development / General / Javascript / NestJS / RavenDB / RavenNest / Typescript
How to create a GROUP BY with map reduce index
Do you want to know how to GROUP BY in RavenDB? This one is for you then! In this article I’m going to show you …
Javascript / NestJS / RavenDB / RavenNest
How to create a an index which counts documents
In this tutorial I want to show you how to create an index with a map reduce operation with RavenDB and NestJS (Javascript/Typescript). This subject …
RavenDB noSQL – load another document inside index, simple and effective (Javascript)
Hello everybody! I hope everything is allright on your side and that you are in good spirit and shape! From my side, I had and …
Development / General / Gitlab / Javascript
Autoincrement project version with Gitlab CI – easy and 100% working
Hello guys and thanks for visiting my website! If you like what I’m writing here, you can become a supporter of my BuyMeACoffee page. If …
