Alex Kit
Alex Kit

Alex Kit

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Ethereum: 2FA or Multi-Factor Authentication for transactions

Jul 17, 20226 min read

A multi-signature account as middleware between you and the dApps · Let's discuss security again and why you should move to a multi-signature account,...

Ethereum: 2FA or Multi-Factor Authentication for transactions

A complete and straightforward guide to Node.js, Nginx, Git Deploy, and PM2 on Ubuntu.

Jun 20, 20225 min read

Do you still need Terraform after this? · Okay, I must admit that Terraform is not obsolete after this tutorial, neither Kubernetes, Azure Pipelines,...

A complete and straightforward guide to Node.js, Nginx, Git Deploy, and PM2 on Ubuntu.

Selenium webdriver for Chrome: how to change the proxy at runtime (a workaround)

Apr 12, 20224 min read

Recently, I got a question from a user of selenium-query about how to change the proxy after the chrome instance is launched. Additionally, the...

Selenium webdriver for Chrome: how to change the proxy at runtime (a workaround)

Alot - turns your arrays into lazy and async streams

Apr 5, 20225 min read

Here I will go through the 📦 alot 🔗 library, which I use to work with arrays in JavaScript/TypeScript. Though there are already dozens of utility...

Alot - turns your arrays into lazy and async streams

Use private domains with ssl certificates instead of localhost:port

Apr 1, 20223 min read

If you develop several projects you should consider to use private domains, e.g. https://foo.local , instead of e.g....

Use private domains with ssl certificates instead of localhost:port

Ethereum: Get token price at a specific block number (onchain)

Mar 27, 20226 min read

After trying to answer the question at stackexchange I've decided to write this short article, as the topic is indeed quite interesting. 1. Archive...

Ethereum: Get token price at a specific block number (onchain)