Daniel Gustaw

json

Rust implementation of RFC 7396 - JSON Merge Patch

Rust's speed and reliability make it ideal for implementing JSON Merge Patch, as defined in RFC 7396. This specification enables efficient and safe partial updates to JSON documents.

esm

Tutorial for ESM + CommonJS package creators

There is hot discussion about dropping CommonJS or building dual packages in JS world. I selected most valuable links that you should read to understand why it is problem and wrote tutorial that help to publish dual package.

linux

How to Install Yay on a Pure Arch Linux Docker Image

Yay installation require few steps like user creation, base-devel and git installation, change in /etc/sudousers, cloning yay repo and makepkg on it. This posts covering this process steps by steps.

rust

Simplifying Linux Command Line with GPT-CLI (rust, open source)

Run linux commands with natural language. Eg.: "show my graphic card" instead "lspci | grep VGA", open source project written in rust

trpc

tRPC - super fast development cycle for fullstack typescript apps

We building tRPC client and server with query, mutation, authentication and subscriptions. Authentication for websocket can be tricky and it is in this case so there are presented three approaches to solve this problem.

mongodb

How to install MongoDB 6 on Fedora 37

Mongodb 6 installation on Fedora Linux 37. Article shows lacking fragment of official docs and two steps after installation that are presented in extremely simple way in comparison to other sources.

rust

QuickSort implementation in Rust, Typescript and Go

Master QuickSort with our in-depth guide and implementation examples in three popular programming languages, and sort large datasets quickly and efficiently.

queue

ZeroMQ pull-push pattern for Node JS

The article highlights the flexibility that ZeroMQ provides in creating messaging endpoints in Node.js. The pull-push pattern is described as a key messaging pattern in ZeroMQ, which is ideal for distributed systems that require handling high volume and frequency of messages.

google

New Google Identity in Nuxt 3

New Google Identity installation for Nuxt 3 with credentials verification in fastify.

javascript

Selected syntax in JavaScript ES2020, ES2021 and ES2022

Nullish coalescing, Nullish coalescing, Optional chaining, Proxies, Private fields, Promise.allSettled, BigInt, Dynamic Import, String.replaceAll, Numeric Separators, String.matchAll, Logical Assignment, Promise.any, Array.prototype.at, Top level await

regression

CodinGame: Best fit to data - Rust - Regression Analysis

Linear and logarithmic regressions were derived here. Models were fitted in rust language. This article shows that sometimes it's worth improving the theoretical model before starting implementation.

recursion

CodinGame: Derivative Time - Part 1, Recursion (Typescript)

Solution of CodinGame exercise. Simple recursion example with typescript. Formula representation inspired by lisp.

rust

CodinGame: Quaternion Multiplication - Rust, NodeJS - Parsing, Algebra, Mathematics

In this article, we will see how to implement the multiplication of quaternions in Rust and NodeJS. You will learn about parsing and algebra.

rust

CodinGame: ASCI Art - Rust, NodeJs - Strings, Arrays, Loops

Solving this puzzle teaches how to manage strings and array arithmetics. You'll know how to split a string into separate parts and concatenate them into a new one. You can use indexes of arrays

typescript

Overload Signatures in Typescript

In TypeScript, we can specify a function that can be called in different ways by writing overload signatures. You can use this to define functions with returned type dependent from arguments values.

metamask

Login by Metamask - Rest Backend in Fastify (Node, Typescript, Prisma) Part 1/2

We building from scratch rest api in fastify using mongodb connected by prisma as database, jest as test framework and etherjs to verify signatures signed by metamask.

nuxt

Login Component in Nuxt (Rest Strapi)

Simple example of login page in nuxt3 written as base to copy and paste in many similar projects.

rust

Maximum Inequality [Linear Search] rust and typescript

Simple hackeartch task solved in node js and rust. You con compare these two languages on example of this problem. I recommend to solve it independently before reading solutions.

pulumi

Pulumi - Infrastructure as a Code [ Digital Ocean ]

With Pulumi you can define your it infrastructure in your file described by your favourite programming language. This article shows how to do it.

rust

Last Occurrence [Linear Search] easy

Find and print the index of the last occurrence of element in the array.

xss

Xss attack using script style and image

Learn how to infect a page using an XSS attack with the script, style, or image tags. You can see how to replace the content of the page with your own even without javascript.

js

Fetch, Promise and Template String on example of To Do List in JavaScript

This simple project is great as an introduction to JavaScript programming. The emphasis is on ES6 elements and the frontend.

vue

Communication between Vue components in Meteor

There is few methods of sending data between unrelated vue components. Some of these are universal, other typical for vue, another for Meteor. We compare all of them.

Git styled calendar with custom dates

Let us assume that you have a set of dates. You want to display these dates in a readable clear way. For example like this: So I have great info. It is required an hour of coding. It is one line of code, maybe two... In this article I will