Here's all the post categories on my blog.

ACID

• Overview of next gen database
  Author: Andrzej Dubaj

ADB

• How to connect ta Android device via TCP/IP?
  Author: Andrzej Dubaj
• Reading logs with ADB: the most useful commands
  Author: Andrzej Dubaj

AI

• Passed My Big Data Postgraduate Exam!
  Author: Andrzej Dubaj
• GPT-4o
  Author: Andrzej Dubaj
• N π
  Author: Andrzej Dubaj
• Roomba is watching
  Author: Andrzej Dubaj

API

• The Keanu Reeves Whoa API
  Author: Andrzej Dubaj

ASCII

• ASCII Dot Theater
  Author: Andrzej Dubaj

AWS

• Jenkins on Ubuntu 22.04.1 LTS
  Author: Andrzej Dubaj

Agile

• One Hacker Way Rational alternative of Agile
  Author: Andrzej Dubaj

Analysis

• Plot function in R part 2
  Author: Andrzej Dubaj
• Plot function in R par 1
  Author: Andrzej Dubaj
• Tidyverse
  Author: Andrzej Dubaj

Android

• Play with console on Android
  Author: Andrzej Dubaj
• Learning resources - Android
  Author: Andrzej Dubaj
• LCARS
  Author: Andrzej Dubaj
• How to connect ta Android device via TCP/IP?
  Author: Andrzej Dubaj
• Installing Android SDK on Debian server
  Author: Andrzej Dubaj
• NetHunter Store
  Author: Andrzej Dubaj
• Ten useful applications on android
  Author: Andrzej Dubaj
• Apktool
  Author: Andrzej Dubaj
• Reading logs with ADB: the most useful commands
  Author: Andrzej Dubaj

Apache Solr

• Apache Solr
  Author: Andrzej Dubaj

ApacheSpark

• Partitioning in Apache Spark
  Author: Andrzej Dubaj

Apktool

• How to connect ta Android device via TCP/IP?
  Author: Andrzej Dubaj
• Apktool
  Author: Andrzej Dubaj

Applications

• Ten useful applications on android
  Author: Andrzej Dubaj

Architecture

• Multilayer architecture
  Author: Andrzej Dubaj

Atomic Time

• Defining lunar time
  Author: Andrzej Dubaj

Automated Testing

• Automation Journey - episode VIII
  Author: Andrzej Dubaj
• Automation Journey - episode VII
  Author: Andrzej Dubaj
• Automation Journey - episode VI
  Author: Andrzej Dubaj
• Automation Journey - episode V
  Author: Andrzej Dubaj
• Automation Journey - episode IV
  Author: Andrzej Dubaj
• Automation Journey - episode III
  Author: Andrzej Dubaj
• Automation Journey - episode II
  Author: Andrzej Dubaj
• Automation Journey - episode I
  Author: Andrzej Dubaj

Automation

• Testing for ...
  Author: Andrzej Dubaj
• DevOps - why you should care?
  Author: Andrzej Dubaj
• A few words about automation
  Author: Andrzej Dubaj

Automation Tests

• Starting point - prologue
  Author: Andrzej Dubaj
• Testing for ...
  Author: Andrzej Dubaj

BDD

• Behavior Driven Development - list
  Author: Andrzej Dubaj
• Behavior Driven Development Vol. 3
  Author: Andrzej Dubaj
• Behavior Driven Development Vol. 2
  Author: Andrzej Dubaj
• Behavior Driven Development Vol. 1
  Author: Andrzej Dubaj

BSD

• FreeBSD as a Platform for Your Future Technology
  Author: Andrzej Dubaj
• Serving Netflix Video at 400Gbps on FreeBSD by Drew Gallatin
  Author: Andrzej Dubaj

Bash

• Play with console on Android
  Author: Andrzej Dubaj
• Automating Text File Analysis with Bash Scripting
  Author: Andrzej Dubaj
• Fake ID's in Bash
  Author: Andrzej Dubaj
• Send mail with a BASH Shell Script
  Author: Andrzej Dubaj
• R and R Studio installation scripts
  Author: Andrzej Dubaj
• How to loop in bash
  Author: Andrzej Dubaj
• Disable Startup Manufacturer Logo
  Author: Andrzej Dubaj
• Simple bash script to clean a folder
  Author: Andrzej Dubaj

Bayes' Theorem

• Quantum Computing Challenge - Day 2: Probability, Bayes' Theorem, and quantum mindset shift
  Author: Andrzej Dubaj

Behavior Driven Development

• Behavior Driven Development - list
  Author: Andrzej Dubaj
• Behavior Driven Development Vol. 3
  Author: Andrzej Dubaj
• Behavior Driven Development Vol. 2
  Author: Andrzej Dubaj
• Behavior Driven Development Vol. 1
  Author: Andrzej Dubaj

Big Data

• Passed My Big Data Postgraduate Exam!
  Author: Andrzej Dubaj
• Data Engineering Journey - no. 07
  Author: Andrzej Dubaj
• Data Engineering Journey - no. 06
  Author: Andrzej Dubaj
• Data Engineering Journey - no. 05
  Author: Andrzej Dubaj
• Data Engineering Journey - no. 04
  Author: Andrzej Dubaj
• Data Engineering Journey - no. 03
  Author: Andrzej Dubaj
• Data Engineering Journey - no. 02
  Author: Andrzej Dubaj
• Data Engineering Journey - no. 01
  Author: Andrzej Dubaj

Bloch Sphere

• Quantum Computing Challenge - Day 8: Qubits and the Bloch Sphere - Visualizing Quantum States
  Author: Andrzej Dubaj

Blog

• Technical problems and ... the same domain
  Author: Andrzej Dubaj
• Long time no see
  Author: Andrzej Dubaj
• Let The Game Begin!
  Author: Andrzej Dubaj

Books

• Top 14 Lessons From 134 Books
  Author: Andrzej Dubaj

Business

• Business trips - basic field manual
  Author: Andrzej Dubaj

C

• Hello World in different languages
  Author: Andrzej Dubaj

C++

• Hello World in different languages
  Author: Andrzej Dubaj

CD

• Testing for ...
  Author: Andrzej Dubaj

CI

• Github Actions CI build
  Author: Andrzej Dubaj

CI/CD

• Jenkins on Ubuntu 22.04.1 LTS
  Author: Andrzej Dubaj
• Starting point - prologue
  Author: Andrzej Dubaj

CLI

• Discord in terminal
  Author: Andrzej Dubaj
• Mastodon CLI
  Author: Andrzej Dubaj
• How To Check The Weather From The Command Line
  Author: Andrzej Dubaj

CSS

• Box-Shadow CSS Generator
  Author: Andrzej Dubaj
• CSS columns - confused
  Author: Andrzej Dubaj

Calico

• Install Calico networking and network policy for on-premises deployments
  Author: Andrzej Dubaj

Clean Code

• Clean Code Cheat Sheet
  Author: Andrzej Dubaj

Clojure

• (nil, null)
  Author: Andrzej Dubaj

Cloud

• The Cloud
  Author: Andrzej Dubaj

Cloud computing

• The Cloud
  Author: Andrzej Dubaj

Code

• Let and var for variable declarations
  Author: Andrzej Dubaj

Code formatting

• Prettier and saving time
  Author: Andrzej Dubaj

Codequality

• One Assert Per Test - OAPT
  Author: Andrzej Dubaj

Coding

• Julia installation scripts
  Author: Andrzej Dubaj
• Using use-package to load lsp-mode
  Author: Andrzej Dubaj
• Weird snippets in lsp-dart
  Author: Andrzej Dubaj

Commit messages

• Semantic Commit Messages
  Author: Andrzej Dubaj

Conference

• Confitura 2023
  Author: Andrzej Dubaj

Configuration

• SpamAssassin
  Author: Andrzej Dubaj
• Send email via Postfix
  Author: Andrzej Dubaj

Confitura

• Confitura 2023
  Author: Andrzej Dubaj

Console Object

• JavaScript console object
  Author: Andrzej Dubaj

Containerization

• Getting started with Docker
  Author: Andrzej Dubaj

Continuous Delivery

• Automation Journey - episode VIII
  Author: Andrzej Dubaj
• Automation Journey - episode VII
  Author: Andrzej Dubaj
• Automation Journey - episode VI
  Author: Andrzej Dubaj
• Automation Journey - episode V
  Author: Andrzej Dubaj
• Automation Journey - episode IV
  Author: Andrzej Dubaj
• Automation Journey - episode III
  Author: Andrzej Dubaj
• Automation Journey - episode II
  Author: Andrzej Dubaj
• Automation Journey - episode I
  Author: Andrzej Dubaj

CouchDB

• Overview of next gen database
  Author: Andrzej Dubaj

Cucumber

• Behavior Driven Development - list
  Author: Andrzej Dubaj
• Behavior Driven Development Vol. 2
  Author: Andrzej Dubaj
• Behavior Driven Development Vol. 1
  Author: Andrzej Dubaj

Dart

• Weird snippets in lsp-dart
  Author: Andrzej Dubaj

Data

• Back from Data + AI Summit Round-up
  Author: Andrzej Dubaj
• commoncrawl
  Author: Andrzej Dubaj
• Address R vulnerability
  Author: Andrzej Dubaj
• Pandas Cheat Sheet
  Author: Andrzej Dubaj
• Plot function in R part 2
  Author: Andrzej Dubaj
• Plot function in R par 1
  Author: Andrzej Dubaj
• Tidyverse
  Author: Andrzej Dubaj
• Use your own data
  Author: Andrzej Dubaj

Data Engineering Journey

• Data Engineering Journey - no. 07
  Author: Andrzej Dubaj
• Data Engineering Journey - no. 06
  Author: Andrzej Dubaj
• Data Engineering Journey - no. 05
  Author: Andrzej Dubaj
• Data Engineering Journey - no. 04
  Author: Andrzej Dubaj
• Data Engineering Journey - no. 03
  Author: Andrzej Dubaj
• Data Engineering Journey - no. 02
  Author: Andrzej Dubaj
• Data Engineering Journey - no. 01
  Author: Andrzej Dubaj

Data Science

• Plot function in R part 2
  Author: Andrzej Dubaj
• Plot function in R par 1
  Author: Andrzej Dubaj
• Tidyverse
  Author: Andrzej Dubaj

Data Visualization

• Top Python Libraries for Data Visualization
  Author: Andrzej Dubaj

Database

• Running Oracle DB in Docker
  Author: Andrzej Dubaj
• Classification and review of NoSQL databases
  Author: Andrzej Dubaj
• Overview of next gen database
  Author: Andrzej Dubaj

Databricks

• Back from Data + AI Summit Round-up
  Author: Andrzej Dubaj

Debian

• Y2038 Proofness Design
  Author: Andrzej Dubaj
• Installing Android SDK on Debian server
  Author: Andrzej Dubaj

Debugging

• Searching for Errors with Print Debugging
  Author: Andrzej Dubaj

Delivery

• Automation Journey - episode VIII
  Author: Andrzej Dubaj
• Automation Journey - episode VII
  Author: Andrzej Dubaj
• Automation Journey - episode VI
  Author: Andrzej Dubaj
• Automation Journey - episode V
  Author: Andrzej Dubaj
• Automation Journey - episode IV
  Author: Andrzej Dubaj
• Automation Journey - episode III
  Author: Andrzej Dubaj
• Automation Journey - episode II
  Author: Andrzej Dubaj
• Automation Journey - episode I
  Author: Andrzej Dubaj

Dev Ops

• How to create a docker-compose setup with PostgreSQL and pgAdmin4
  Author: Andrzej Dubaj
• How to install the Openstack CLI on Linux
  Author: Andrzej Dubaj
• Home lab - server. Part one
  Author: Andrzej Dubaj

DevOps

• About Linux ... and DevOps
  Author: Andrzej Dubaj
• Why use Kubernetes for homelab?
  Author: Andrzej Dubaj
• Maven Build Lifecycle
  Author: Andrzej Dubaj
• How to install php 8.0.17 on ubuntu 22.04
  Author: Andrzej Dubaj
• Starting point - prologue
  Author: Andrzej Dubaj
• DevOps - why you should care?
  Author: Andrzej Dubaj
• Getting PID by Name on FreeBSD
  Author: Andrzej Dubaj

Development

• Why reinventing the wheel isn't always wrong?
  Author: Andrzej Dubaj
• SafeView and how to use
  Author: Andrzej Dubaj
• How to insall Jest to test React components
  Author: Andrzej Dubaj
• ReactDOM.render is no longer supported in React 18
  Author: Andrzej Dubaj
• Let's talk about you
  Author: Andrzej Dubaj
• Simple scaffold application in Rails
  Author: Andrzej Dubaj
• FATAL: database files are incompatible with server
  Author: Andrzej Dubaj
• String interpolation in Ruby
  Author: Andrzej Dubaj

Development Boards

• Intel Neural Compute Stick 2
  Author: Andrzej Dubaj

Distro

• Fedora 36 release
  Author: Andrzej Dubaj

Docker

• Running Oracle DB in Docker
  Author: Andrzej Dubaj
• How to create a docker-compose setup with PostgreSQL and pgAdmin4
  Author: Andrzej Dubaj
• Docker on Rocky Linux 9.1
  Author: Andrzej Dubaj
• Dockerfile in depth
  Author: Andrzej Dubaj
• Dockerfile and Instructions
  Author: Andrzej Dubaj
• Getting started with Docker
  Author: Andrzej Dubaj
• Docker and Raspberry Pi
  Author: Andrzej Dubaj
• What is Docker?
  Author: Andrzej Dubaj

Docker Compose

• How to create a docker-compose setup with PostgreSQL and pgAdmin4
  Author: Andrzej Dubaj

Documentation

• Writing Tool for Software Developers
  Author: Andrzej Dubaj

Drone control

• Drone control
  Author: Andrzej Dubaj

ELasticsearch

• Fix an incompatible type
  Author: Andrzej Dubaj

ETL

• Data Engineering Journey - no. 03
  Author: Andrzej Dubaj
• Data Engineering Journey - no. 02
  Author: Andrzej Dubaj

Elixir

• Hello World in different languages
  Author: Andrzej Dubaj

Emacs

• lsp-typescript
  Author: Andrzej Dubaj
• Keyboard - interesting style
  Author: Andrzej Dubaj
• Emacs in Tron Legacy (2010)
  Author: Andrzej Dubaj
• Doom Emacs
  Author: Andrzej Dubaj
• lsp-mode (ts-ls) isn't sending up-to-date diagnostics
  Author: Andrzej Dubaj
• Adding support for languages LSP
  Author: Andrzej Dubaj
• Error (use-package): lsp-mode/:config ...
  Author: Andrzej Dubaj
• IbufferMode
  Author: Andrzej Dubaj

Embedded

• Docker and Raspberry Pi
  Author: Andrzej Dubaj

Engine

• Godot Engine first look
  Author: Andrzej Dubaj

Enterprise

• The art of drawing part I
  Author: Andrzej Dubaj

FHS 3

• Filesystem Hierarchy Standard
  Author: Andrzej Dubaj

Fedora

• Fedora 36 release
  Author: Andrzej Dubaj

File upload

• Uploading files with curl
  Author: Andrzej Dubaj

Files & data

• Files and reading data
  Author: Andrzej Dubaj

Fonts

• Fonts For Web Projects
  Author: Andrzej Dubaj

FreeBSD

• FreeBSD considers Rust in the base system
  Author: Andrzej Dubaj
• Getting PID by Name on FreeBSD
  Author: Andrzej Dubaj

Functional Programming

• (nil, null)
  Author: Andrzej Dubaj
• Why Isn't Functional Programming the Norm?
  Author: Andrzej Dubaj

GFS

• Google File System
  Author: Andrzej Dubaj

General

• Links
  Author: Andrzej Dubaj
• Mornings
  Author: Andrzej Dubaj
• Editor, shell && IDE
  Author: Andrzej Dubaj
• 21 things you can do with old PC
  Author: Andrzej Dubaj

Git

• Semantic Commit Messages
  Author: Andrzej Dubaj
• Benefits of using git in one persolan project
  Author: Andrzej Dubaj
• If I Could Turn Back ...
  Author: Andrzej Dubaj
• Git cheat sheet
  Author: Andrzej Dubaj
• Short introduction to git
  Author: Andrzej Dubaj

GitHub

• Create Website in Jekyll and Host it on GitHub
  Author: Andrzej Dubaj
• Github Actions CI build
  Author: Andrzej Dubaj

Go

• Static file server in Go
  Author: Andrzej Dubaj
• Hello World in different languages
  Author: Andrzej Dubaj

GoLang

• Executing fileless scripts
  Author: Andrzej Dubaj

Godot

• Godot Engine first look
  Author: Andrzej Dubaj

Google

• Google Keynote (Google I/O 24)
  Author: Andrzej Dubaj

Gradle

• Fixing `Could not determine java version from '11.0.5'.`
  Author: Andrzej Dubaj

Graph theory

• Graphs
  Author: Andrzej Dubaj

Graphs

• Graphs
  Author: Andrzej Dubaj

HPC

• Server Room and HPC Cluster Through Thermal Camera
  Author: Andrzej Dubaj

Hands-On Sunday

• 🛠 Hands-On Sunday #1 – June 1, 2025
  Author: Andrzej Dubaj

Hardware

• Home lab - server. Part one
  Author: Andrzej Dubaj
• Surfing Split Ergonomic Keyboard
  Author: Andrzej Dubaj
• Keyboard - interesting style
  Author: Andrzej Dubaj
• USB Killer, now with pyrotechnic payload
  Author: Andrzej Dubaj
• USB typewrite
  Author: Andrzej Dubaj
• Wide-band WebSDR
  Author: Andrzej Dubaj
• Intel Neural Compute Stick 2
  Author: Andrzej Dubaj
• 10 button card dialer calling
  Author: Andrzej Dubaj
• Ghosts Only Cars Can Perceive
  Author: Andrzej Dubaj
• Floppy Disc Assembly Line
  Author: Andrzej Dubaj

Haskell

• Fun never stops ... Haskell
  Author: Andrzej Dubaj

Hateos

• Property-based testing and HATEOAS
  Author: Andrzej Dubaj

Home Lab

• Home lab - server. Part one
  Author: Andrzej Dubaj

How to

• How to set up Kali Linux on Virtual Box
  Author: Andrzej Dubaj
• Docker and Raspberry Pi
  Author: Andrzej Dubaj
• Maven #03 ~ How to create Maven project in IntelliJ IDE
  Author: Andrzej Dubaj
• Kali Linux – sources.list and update
  Author: Andrzej Dubaj

IDE

• Maven #03 ~ How to create Maven project in IntelliJ IDE
  Author: Andrzej Dubaj

IT

• Woodpicker and IT
  Author: Andrzej Dubaj

Infrastructure

• DevOps - why you should care?
  Author: Andrzej Dubaj

Installation

• How to install php 8.0.17 on ubuntu 22.04
  Author: Andrzej Dubaj

IoT

• Intel Neural Compute Stick 2
  Author: Andrzej Dubaj

JBehave

• Behavior Driven Development Vol. 3
  Author: Andrzej Dubaj

JUnit

• Maven #02 ~ pom.xml
  Author: Andrzej Dubaj

Java

• Fix an incompatible type
  Author: Andrzej Dubaj
• SDKMAN! - Multiple versions of Java
  Author: Andrzej Dubaj
• Confitura 2023
  Author: Andrzej Dubaj
• Iterating Over a List with a For-Each Loop
  Author: Andrzej Dubaj
• What's object-oriented programming all about?
  Author: Andrzej Dubaj
• Files and reading data
  Author: Andrzej Dubaj
• Object in a list
  Author: Andrzej Dubaj
• Returning a Value From a Method
  Author: Andrzej Dubaj
• Searching for Errors with Print Debugging
  Author: Andrzej Dubaj
• Lists in Java
  Author: Andrzej Dubaj
• Adding to a List and Retrieving a Value from a Specific Place
  Author: Andrzej Dubaj
• Fixing `Could not determine java version from '11.0.5'.`
  Author: Andrzej Dubaj
• Hello World in different languages
  Author: Andrzej Dubaj
• Login form using Spring MVC part 2
  Author: Andrzej Dubaj
• Login form using Spring MVC part 1
  Author: Andrzej Dubaj
• Initial controller, view and dispatcher servlet configuration
  Author: Andrzej Dubaj
• Packages in java
  Author: Andrzej Dubaj
• Maven #02 ~ pom.xml
  Author: Andrzej Dubaj
• Maven #01 ~ What is Maven?
  Author: Andrzej Dubaj

JavaScript

• Manipulating arrays
  Author: Andrzej Dubaj
• Let and var for variable declarations
  Author: Andrzej Dubaj
• Hello World in different languages
  Author: Andrzej Dubaj
• JavaScript console object
  Author: Andrzej Dubaj

Jekyll

• Create Website in Jekyll and Host it on GitHub
  Author: Andrzej Dubaj

Jenkins

• Jenkins on Ubuntu 22.04.1 LTS
  Author: Andrzej Dubaj
• Jenkins on Ubuntu 22.04.1 LTS
  Author: Andrzej Dubaj

Jest

• How to insall Jest to test React components
  Author: Andrzej Dubaj

Julia

• New Ways to Compile Julia | Bezanson, Baraldi | JuliaCon 2024
  Author: Andrzej Dubaj
• Julia installation scripts
  Author: Andrzej Dubaj

JuliaCon 2024

• New Ways to Compile Julia | Bezanson, Baraldi | JuliaCon 2024
  Author: Andrzej Dubaj

KISS

• KISS - Keep it simple, stupid
  Author: Andrzej Dubaj

Kali

• Install & Configure Nessus on Kali Linux
  Author: Andrzej Dubaj
• NetHunter Store
  Author: Andrzej Dubaj
• How to set up Kali Linux on Virtual Box
  Author: Andrzej Dubaj
• Kali Linux – sources.list and update
  Author: Andrzej Dubaj

Kali Linux

• Kali Linux in the Windows App Store
  Author: Andrzej Dubaj

Kayboard

• Chonky Palmtop
  Author: Andrzej Dubaj

Keyboard

• Surfing Split Ergonomic Keyboard
  Author: Andrzej Dubaj
• Finally got my emacs setup just how I like it
  Author: Andrzej Dubaj
• Keyboard - interesting style
  Author: Andrzej Dubaj
• Keyboard
  Author: Andrzej Dubaj

LSP

• Doom Emacs
  Author: Andrzej Dubaj
• lsp-mode (ts-ls) isn't sending up-to-date diagnostics
  Author: Andrzej Dubaj
• Adding support for languages LSP
  Author: Andrzej Dubaj

Lifestyle

• Lifestile
  Author: Andrzej Dubaj

Linux

• Ubuntu 25.04 and alternative terminal emulators
  Author: Andrzej Dubaj
• Postfix && spam
  Author: Andrzej Dubaj
• How To Check The Weather From The Command Line
  Author: Andrzej Dubaj
• About Linux ... and DevOps
  Author: Andrzej Dubaj
• Data Engineering Journey - no. 07
  Author: Andrzej Dubaj
• Data Engineering Journey - no. 06
  Author: Andrzej Dubaj
• How to install the Openstack CLI on Linux
  Author: Andrzej Dubaj
• nala alternative to APT on Ubuntu
  Author: Andrzej Dubaj
• Jenkins on Ubuntu 22.04.1 LTS
  Author: Andrzej Dubaj
• Installing Netdata on Rocky Linux 9
  Author: Andrzej Dubaj
• Docker on Rocky Linux 9.1
  Author: Andrzej Dubaj
• Jenkins on Ubuntu 22.04.1 LTS
  Author: Andrzej Dubaj
• Fake ID's in Bash
  Author: Andrzej Dubaj
• Postfix
  Author: Andrzej Dubaj
• Schemix
  Author: Andrzej Dubaj
• Filesystem Hierarchy Standard
  Author: Andrzej Dubaj
• CT8.PL
  Author: Andrzej Dubaj
• Changing the swap memory
  Author: Andrzej Dubaj
• SpamAssassin
  Author: Andrzej Dubaj
• Send email via Postfix
  Author: Andrzej Dubaj
• Y2038 Proofness Design
  Author: Andrzej Dubaj
• How to loop in bash
  Author: Andrzej Dubaj
• Disable Startup Manufacturer Logo
  Author: Andrzej Dubaj
• How to Install Dotnet Core on Ubuntu 20.04
  Author: Andrzej Dubaj

Lisp

• lsp-mode (ts-ls) isn't sending up-to-date diagnostics
  Author: Andrzej Dubaj
• Error (use-package): lsp-mode/:config ...
  Author: Andrzej Dubaj
• IbufferMode
  Author: Andrzej Dubaj
• Inlay hints to work with the latest Eglot in TypeScript buffers
  Author: Andrzej Dubaj
• Snippet to browse dap-breakpoints with completing-read
  Author: Andrzej Dubaj
• Using use-package to load lsp-mode
  Author: Andrzej Dubaj
• Weird snippets in lsp-dart
  Author: Andrzej Dubaj

Lists

• Object in a list
  Author: Andrzej Dubaj
• Lists in Java
  Author: Andrzej Dubaj
• Adding to a List and Retrieving a Value from a Specific Place
  Author: Andrzej Dubaj

Logs

• Reading logs with ADB: the most useful commands
  Author: Andrzej Dubaj

Loops

• On Stopping a Loop Execution
  Author: Andrzej Dubaj

ML

• Tensor flow 2.0
  Author: Andrzej Dubaj

MPEGS

• Planetary
  Author: Andrzej Dubaj
• 2D Rubens' Tube
  Author: Andrzej Dubaj

MVC

• Login form using Spring MVC part 1
  Author: Andrzej Dubaj

Machine Learning

• Machine Learning tutorials
  Author: Andrzej Dubaj
• Intel Neural Compute Stick 2
  Author: Andrzej Dubaj
• Tensor flow 2.0
  Author: Andrzej Dubaj

Mail

• Postfix && spam
  Author: Andrzej Dubaj

Markdown

• Writing Tool for Software Developers
  Author: Andrzej Dubaj

Matplotlib

• Matplotlib cheatsheets
  Author: Andrzej Dubaj

Maven

• Maven Build Lifecycle
  Author: Andrzej Dubaj
• Maven #03 ~ How to create Maven project in IntelliJ IDE
  Author: Andrzej Dubaj
• Maven #02 ~ pom.xml
  Author: Andrzej Dubaj
• Maven #01 ~ What is Maven?
  Author: Andrzej Dubaj

Meetings

• The meetings ...
  Author: Andrzej Dubaj

Miner

• Norton Crypto
  Author: Andrzej Dubaj

MySql

• Login form using Spring MVC part 1
  Author: Andrzej Dubaj

Nessus

• Install & Configure Nessus on Kali Linux
  Author: Andrzej Dubaj

Netdata

• Installing Netdata on Rocky Linux 9
  Author: Andrzej Dubaj

Neural Networks

• Intel Neural Compute Stick 2
  Author: Andrzej Dubaj

News

• 🛠 Hands-On Sunday #1 – June 1, 2025
  Author: Andrzej Dubaj
• Kali Linux in the Windows App Store
  Author: Andrzej Dubaj

No-Cloning Theorem

• Quantum Computing Challenge - Day 12: Quantum Measurement & No-Cloning Theorem - When Observation Changes Everything
  Author: Andrzej Dubaj

NoSQL

• Overview of next gen database
  Author: Andrzej Dubaj

Node

• PERN stack - useful dependencies
  Author: Andrzej Dubaj

Node.js

• Secure random numbers in Node.js
  Author: Andrzej Dubaj

Norton Cryptominer

• Norton Crypto
  Author: Andrzej Dubaj

Null References

• Null References: The Billion Dollar Mistake
  Author: Andrzej Dubaj

OAPT

• One Assert Per Test - OAPT
  Author: Andrzej Dubaj

OAuth

• How to setup reactive client with OAuth in Spring Boot?
  Author: Andrzej Dubaj

OOP

• What's object-oriented programming all about?
  Author: Andrzej Dubaj

Objects

• Object in a list
  Author: Andrzej Dubaj

Old web

• Escher and the Droste effect
  Author: Andrzej Dubaj

OpenStack

• How to install the Openstack CLI on Linux
  Author: Andrzej Dubaj

Oracle

• Running Oracle DB in Docker
  Author: Andrzej Dubaj
• Overview of next gen database
  Author: Andrzej Dubaj

Other

• The UNIX Operating System
  Author: Andrzej Dubaj
• 10 button card dialer calling
  Author: Andrzej Dubaj
• Code with ...
  Author: Andrzej Dubaj
• Wherein today is Zero Cool Day
  Author: Andrzej Dubaj

PHP

• PHP something ... - precision issue
  Author: Andrzej Dubaj

Packages

• Packages in java
  Author: Andrzej Dubaj

Pandas

• Pandas Cheat Sheet
  Author: Andrzej Dubaj

Penetration testing

• NetHunter Store
  Author: Andrzej Dubaj

Performance

• Testing for ...
  Author: Andrzej Dubaj
• 5 new lines in .vimrc
  Author: Andrzej Dubaj
• Level 0. VIM user
  Author: Andrzej Dubaj

Perosnal

• 2021 summary, review ... you name it
  Author: Andrzej Dubaj

Personal

• What worked yesterday ...
  Author: Andrzej Dubaj
• Why reinventing the wheel isn't always wrong?
  Author: Andrzej Dubaj
• Let's talk about you
  Author: Andrzej Dubaj
• Programmers' holiday
  Author: Andrzej Dubaj

Plugin

• Detect missing Adblocker
  Author: Andrzej Dubaj

Podcast

• Podcasts for software developers
  Author: Andrzej Dubaj

Posfix

• Send email via Postfix
  Author: Andrzej Dubaj

Post

• 2021 summary, review ... you name it
  Author: Andrzej Dubaj

Postfix

• Postfix && spam
  Author: Andrzej Dubaj
• Postfix
  Author: Andrzej Dubaj

PostgreSQL

• Simple scaffold application in Rails
  Author: Andrzej Dubaj
• FATAL: database files are incompatible with server
  Author: Andrzej Dubaj

PowerShell

• R and R Studio installation scripts
  Author: Andrzej Dubaj

Prettier

• Prettier and saving time
  Author: Andrzej Dubaj

Principle

• KISS - Keep it simple, stupid
  Author: Andrzej Dubaj

Probability

• Quantum Computing Challenge - Day 2: Probability, Bayes' Theorem, and quantum mindset shift
  Author: Andrzej Dubaj

Process

• Behavior Driven Development - list
  Author: Andrzej Dubaj
• Behavior Driven Development Vol. 3
  Author: Andrzej Dubaj
• Behavior Driven Development Vol. 2
  Author: Andrzej Dubaj
• Behavior Driven Development Vol. 1
  Author: Andrzej Dubaj

Productivity

• Apps that increase productivity
  Author: Andrzej Dubaj

Programmers

• Programmers Aren't Productive Anymore by Jonathan Blow (25 Jul 2022)
  Author: Andrzej Dubaj

Programming

• Programmers' holiday
  Author: Andrzej Dubaj
• Login form using Spring MVC part 2
  Author: Andrzej Dubaj
• Multilayer architecture
  Author: Andrzej Dubaj
• Maven #02 ~ pom.xml
  Author: Andrzej Dubaj
• Maven #01 ~ What is Maven?
  Author: Andrzej Dubaj
• Simple scaffold application in Rails
  Author: Andrzej Dubaj
• FATAL: database files are incompatible with server
  Author: Andrzej Dubaj
• String interpolation in Ruby
  Author: Andrzej Dubaj

Project

• Drone control
  Author: Andrzej Dubaj
• Project
  Author: Andrzej Dubaj

Python

• tqdm
  Author: Andrzej Dubaj
• Mamba
  Author: Andrzej Dubaj
• Data Engineering Journey - no. 05
  Author: Andrzej Dubaj
• Top Python Libraries for Data Visualization
  Author: Andrzej Dubaj
• Partitioning in Apache Spark
  Author: Andrzej Dubaj
• Machine Learning tutorials
  Author: Andrzej Dubaj
• Matplotlib cheatsheets
  Author: Andrzej Dubaj
• Pandas Cheat Sheet
  Author: Andrzej Dubaj
• Hello World in different languages
  Author: Andrzej Dubaj

Qiskit

• Quantum Computing Challenge - Day 6: Quantum Mathematics -Dirac Notation, Basis States and Hilbert Spaces
  Author: Andrzej Dubaj
• Quantum Computing Challenge - Day 5: Quantum Mathematics - Linear Algebra in Service of the Future
  Author: Andrzej Dubaj
• Quantum Computing Challenge - Day 4: Classical Logic Gates - The DNA of Digital Reality
  Author: Andrzej Dubaj
• Quantum Computing Challenge - Day 3: Understanding the fundamental shift
  Author: Andrzej Dubaj
• Quantum Computing Challenge - Day 2: Probability, Bayes' Theorem, and quantum mindset shift
  Author: Andrzej Dubaj
• Quantum Computing Challenge - Day 1: The Mathematical Foundation That Changes Everything
  Author: Andrzej Dubaj

Quality

• Behavior Driven Development - list
  Author: Andrzej Dubaj
• Behavior Driven Development Vol. 3
  Author: Andrzej Dubaj
• Behavior Driven Development Vol. 2
  Author: Andrzej Dubaj
• Behavior Driven Development Vol. 1
  Author: Andrzej Dubaj

Quality Assurance

• Automation Journey - episode VIII
  Author: Andrzej Dubaj
• Automation Journey - episode VII
  Author: Andrzej Dubaj
• Automation Journey - episode VI
  Author: Andrzej Dubaj
• Automation Journey - episode V
  Author: Andrzej Dubaj
• Automation Journey - episode IV
  Author: Andrzej Dubaj
• Automation Journey - episode III
  Author: Andrzej Dubaj
• Automation Journey - episode II
  Author: Andrzej Dubaj
• Automation Journey - episode I
  Author: Andrzej Dubaj

Quantum

• Quantum Computing Challenge - Day 21: Quantum Horizons - Embracing the Q-Era
  Author: Andrzej Dubaj
• Quantum Computing Challenge - Day 20: Quantum Errors Uncovered - Tackling Noise, Decoherence, and the NISQ Reality
  Author: Andrzej Dubaj
• Quantum Computing Challenge - Day 19: Quantum Minds - Exploring the Fusion of Quantum Computing and Artificial Intelligence
  Author: Andrzej Dubaj
• Quantum Computing Challenge - Day 18: VQE & Quantum Chemistry - Revolutionizing Molecular Simulation
  Author: Andrzej Dubaj
• Quantum Computing Challenge - Day 17: Grover's Algorithm & Quantum Search - Revolutionizing Database Search
  Author: Andrzej Dubaj
• Quantum Computing Challenge - Day 16: Shor's Algorithm & Quantum Cryptography — Breaking the Boundaries of Classical Security
  Author: Andrzej Dubaj
• Quantum Computing Challenge - Day 15: Quantum Fourier Transform & Applications — Unlocking Quantum's Hidden Frequencies
  Author: Andrzej Dubaj
• Quantum Computing Challenge - Day 14: Quantum Implementation with Qiskit — Bridging Theory with Code
  Author: Andrzej Dubaj
• Quantum Computing Challenge - Day 13: Quantum Computing Models - Three Paradigms Shaping the Future
  Author: Andrzej Dubaj
• Quantum Computing Challenge - Day 12: Quantum Measurement & No-Cloning Theorem - When Observation Changes Everything
  Author: Andrzej Dubaj
• Quantum Computing Challenge - Day 11: Quantum Entanglement & Bell States - Spooky Action at a Distance
  Author: Andrzej Dubaj
• Quantum Computing Challenge - Day 10: Quantum Superposition & Interference - Unleashing Parallel Power
  Author: Andrzej Dubaj
• Quantum Computing Challenge - Day 9: Quantum Gates & Circuits - Mastering the Building Blocks
  Author: Andrzej Dubaj
• Quantum Computing Challenge - Day 8: Qubits and the Bloch Sphere - Visualizing Quantum States
  Author: Andrzej Dubaj
• Quantum Computing Challenge - Day 7: Quantum Mechanics Fundamentals - Schrödinger Equation, Density Matrices, and Postulates
  Author: Andrzej Dubaj
• Quantum Computing Challenge - Day 6: Quantum Mathematics -Dirac Notation, Basis States and Hilbert Spaces
  Author: Andrzej Dubaj
• Quantum Computing Challenge - Day 5: Quantum Mathematics - Linear Algebra in Service of the Future
  Author: Andrzej Dubaj
• Quantum Computing Challenge - Day 4: Classical Logic Gates - The DNA of Digital Reality
  Author: Andrzej Dubaj
• Quantum Computing Challenge - Day 3: Understanding the fundamental shift
  Author: Andrzej Dubaj
• Quantum Computing Challenge - Day 2: Probability, Bayes' Theorem, and quantum mindset shift
  Author: Andrzej Dubaj
• Quantum Computing Challenge - Day 1: The Mathematical Foundation That Changes Everything
  Author: Andrzej Dubaj
• Google Quantum AI team is proud to announce Willow
  Author: Andrzej Dubaj
• Almost and Schrödinger cat
  Author: Andrzej Dubaj
• Quantum and Azure
  Author: Andrzej Dubaj
• Microsoft Achieves First Milestone Towards A Quantum Supercomputer
  Author: Andrzej Dubaj

Quantum Challenge 2025

• Quantum Computing Challenge - Day 21: Quantum Horizons - Embracing the Q-Era
  Author: Andrzej Dubaj
• Quantum Computing Challenge - Day 20: Quantum Errors Uncovered - Tackling Noise, Decoherence, and the NISQ Reality
  Author: Andrzej Dubaj
• Quantum Computing Challenge - Day 19: Quantum Minds - Exploring the Fusion of Quantum Computing and Artificial Intelligence
  Author: Andrzej Dubaj
• Quantum Computing Challenge - Day 18: VQE & Quantum Chemistry - Revolutionizing Molecular Simulation
  Author: Andrzej Dubaj
• Quantum Computing Challenge - Day 17: Grover's Algorithm & Quantum Search - Revolutionizing Database Search
  Author: Andrzej Dubaj
• Quantum Computing Challenge - Day 16: Shor's Algorithm & Quantum Cryptography — Breaking the Boundaries of Classical Security
  Author: Andrzej Dubaj
• Quantum Computing Challenge - Day 15: Quantum Fourier Transform & Applications — Unlocking Quantum's Hidden Frequencies
  Author: Andrzej Dubaj
• Quantum Computing Challenge - Day 14: Quantum Implementation with Qiskit — Bridging Theory with Code
  Author: Andrzej Dubaj
• Quantum Computing Challenge - Day 13: Quantum Computing Models - Three Paradigms Shaping the Future
  Author: Andrzej Dubaj
• Quantum Computing Challenge - Day 12: Quantum Measurement & No-Cloning Theorem - When Observation Changes Everything
  Author: Andrzej Dubaj
• Quantum Computing Challenge - Day 11: Quantum Entanglement & Bell States - Spooky Action at a Distance
  Author: Andrzej Dubaj
• Quantum Computing Challenge - Day 10: Quantum Superposition & Interference - Unleashing Parallel Power
  Author: Andrzej Dubaj
• Quantum Computing Challenge - Day 9: Quantum Gates & Circuits - Mastering the Building Blocks
  Author: Andrzej Dubaj
• Quantum Computing Challenge - Day 8: Qubits and the Bloch Sphere - Visualizing Quantum States
  Author: Andrzej Dubaj
• Quantum Computing Challenge - Day 7: Quantum Mechanics Fundamentals - Schrödinger Equation, Density Matrices, and Postulates
  Author: Andrzej Dubaj
• Quantum Computing Challenge - Day 6: Quantum Mathematics -Dirac Notation, Basis States and Hilbert Spaces
  Author: Andrzej Dubaj
• Quantum Computing Challenge - Day 5: Quantum Mathematics - Linear Algebra in Service of the Future
  Author: Andrzej Dubaj
• Quantum Computing Challenge - Day 4: Classical Logic Gates - The DNA of Digital Reality
  Author: Andrzej Dubaj
• Quantum Computing Challenge - Day 3: Understanding the fundamental shift
  Author: Andrzej Dubaj
• Quantum Computing Challenge - Day 2: Probability, Bayes' Theorem, and quantum mindset shift
  Author: Andrzej Dubaj
• Quantum Computing Challenge - Day 1: The Mathematical Foundation That Changes Everything
  Author: Andrzej Dubaj

Quantum Computing

• Quantum Computing Challenge - Day 21: Quantum Horizons - Embracing the Q-Era
  Author: Andrzej Dubaj
• Quantum Computing Challenge - Day 20: Quantum Errors Uncovered - Tackling Noise, Decoherence, and the NISQ Reality
  Author: Andrzej Dubaj
• Quantum Computing Challenge - Day 19: Quantum Minds - Exploring the Fusion of Quantum Computing and Artificial Intelligence
  Author: Andrzej Dubaj
• Quantum Computing Challenge - Day 18: VQE & Quantum Chemistry - Revolutionizing Molecular Simulation
  Author: Andrzej Dubaj
• Quantum Computing Challenge - Day 17: Grover's Algorithm & Quantum Search - Revolutionizing Database Search
  Author: Andrzej Dubaj
• Quantum Computing Challenge - Day 16: Shor's Algorithm & Quantum Cryptography — Breaking the Boundaries of Classical Security
  Author: Andrzej Dubaj
• Quantum Computing Challenge - Day 15: Quantum Fourier Transform & Applications — Unlocking Quantum's Hidden Frequencies
  Author: Andrzej Dubaj
• Quantum Computing Challenge - Day 14: Quantum Implementation with Qiskit — Bridging Theory with Code
  Author: Andrzej Dubaj
• Quantum Computing Challenge - Day 13: Quantum Computing Models - Three Paradigms Shaping the Future
  Author: Andrzej Dubaj
• Quantum Computing Challenge - Day 12: Quantum Measurement & No-Cloning Theorem - When Observation Changes Everything
  Author: Andrzej Dubaj
• Quantum Computing Challenge - Day 11: Quantum Entanglement & Bell States - Spooky Action at a Distance
  Author: Andrzej Dubaj
• Quantum Computing Challenge - Day 10: Quantum Superposition & Interference - Unleashing Parallel Power
  Author: Andrzej Dubaj
• Quantum Computing Challenge - Day 9: Quantum Gates & Circuits - Mastering the Building Blocks
  Author: Andrzej Dubaj
• Quantum Computing Challenge - Day 8: Qubits and the Bloch Sphere - Visualizing Quantum States
  Author: Andrzej Dubaj
• Quantum Computing Challenge - Day 7: Quantum Mechanics Fundamentals - Schrödinger Equation, Density Matrices, and Postulates
  Author: Andrzej Dubaj
• Quantum Computing Challenge - Day 6: Quantum Mathematics -Dirac Notation, Basis States and Hilbert Spaces
  Author: Andrzej Dubaj
• Quantum Computing Challenge - Day 5: Quantum Mathematics - Linear Algebra in Service of the Future
  Author: Andrzej Dubaj
• Quantum Computing Challenge - Day 4: Classical Logic Gates - The DNA of Digital Reality
  Author: Andrzej Dubaj
• Quantum Computing Challenge - Day 3: Understanding the fundamental shift
  Author: Andrzej Dubaj
• Quantum Computing Challenge - Day 2: Probability, Bayes' Theorem, and quantum mindset shift
  Author: Andrzej Dubaj
• Quantum Computing Challenge - Day 1: The Mathematical Foundation That Changes Everything
  Author: Andrzej Dubaj

Quantum Measurement

• Quantum Computing Challenge - Day 12: Quantum Measurement & No-Cloning Theorem - When Observation Changes Everything
  Author: Andrzej Dubaj

Qubits

• Quantum Computing Challenge - Day 9: Quantum Gates & Circuits - Mastering the Building Blocks
  Author: Andrzej Dubaj
• Quantum Computing Challenge - Day 8: Qubits and the Bloch Sphere - Visualizing Quantum States
  Author: Andrzej Dubaj
• Quantum Computing Challenge - Day 7: Quantum Mechanics Fundamentals - Schrödinger Equation, Density Matrices, and Postulates
  Author: Andrzej Dubaj
• Quantum Computing Challenge - Day 6: Quantum Mathematics -Dirac Notation, Basis States and Hilbert Spaces
  Author: Andrzej Dubaj
• Quantum Computing Challenge - Day 5: Quantum Mathematics - Linear Algebra in Service of the Future
  Author: Andrzej Dubaj
• Quantum Computing Challenge - Day 4: Classical Logic Gates - The DNA of Digital Reality
  Author: Andrzej Dubaj
• Quantum Computing Challenge - Day 3: Understanding the fundamental shift
  Author: Andrzej Dubaj
• Quantum Computing Challenge - Day 2: Probability, Bayes' Theorem, and quantum mindset shift
  Author: Andrzej Dubaj
• Quantum Computing Challenge - Day 1: The Mathematical Foundation That Changes Everything
  Author: Andrzej Dubaj

R

• Address R vulnerability
  Author: Andrzej Dubaj
• R - simple
  Author: Andrzej Dubaj
• R and R Studio installation scripts
  Author: Andrzej Dubaj
• Plot function in R part 2
  Author: Andrzej Dubaj
• Plot function in R par 1
  Author: Andrzej Dubaj
• Tidyverse
  Author: Andrzej Dubaj

RDD

• Partitioning in Apache Spark
  Author: Andrzej Dubaj

RFC

• Must read RFCs?
  Author: Andrzej Dubaj

Random

• Dialup Visualization
  Author: Andrzej Dubaj
• White Collar Crime Risk Zones
  Author: Andrzej Dubaj
• Server Room and HPC Cluster Through Thermal Camera
  Author: Andrzej Dubaj
• Spectrogram
  Author: Andrzej Dubaj
• Google Quantum AI team is proud to announce Willow
  Author: Andrzej Dubaj
• How To Check The Weather From The Command Line
  Author: Andrzej Dubaj
• Why use Kubernetes for homelab?
  Author: Andrzej Dubaj
• Tools for software development project
  Author: Andrzej Dubaj
• Why reinventing the wheel isn't always wrong?
  Author: Andrzej Dubaj
• FreeBSD as a Platform for Your Future Technology
  Author: Andrzej Dubaj
• Serving Netflix Video at 400Gbps on FreeBSD by Drew Gallatin
  Author: Andrzej Dubaj
• None Shall Pass
  Author: Andrzej Dubaj
• Data toster
  Author: Andrzej Dubaj
• Losing data && backups
  Author: Andrzej Dubaj
• Mars
  Author: Andrzej Dubaj
• New Ways to Compile Julia | Bezanson, Baraldi | JuliaCon 2024
  Author: Andrzej Dubaj
• Finally got my emacs setup just how I like it
  Author: Andrzej Dubaj
• Pantsbuild
  Author: Andrzej Dubaj
• GPT-4o
  Author: Andrzej Dubaj
• Null Island
  Author: Andrzej Dubaj
• Automating Text File Analysis with Bash Scripting
  Author: Andrzej Dubaj
• N π
  Author: Andrzej Dubaj
• Openlayers
  Author: Andrzej Dubaj
• SSH version 1 - The Matrix Reloaded
  Author: Andrzej Dubaj
• Make your own unicorn
  Author: Andrzej Dubaj
• Daft Punk on a Vectrex
  Author: Andrzej Dubaj
• PHP something ... - precision issue
  Author: Andrzej Dubaj
• 999 contributions
  Author: Andrzej Dubaj
• Gerät 32620
  Author: Andrzej Dubaj
• Apple pizza
  Author: Andrzej Dubaj
• USB Killer, now with pyrotechnic payload
  Author: Andrzej Dubaj
• A modified CRT turned personal PC
  Author: Andrzej Dubaj
• Filesystem Hierarchy Standard
  Author: Andrzej Dubaj
• What different sorting algorithms sound like
  Author: Andrzej Dubaj
• Classification and review of NoSQL databases
  Author: Andrzej Dubaj
• CT8.PL
  Author: Andrzej Dubaj
• USB typewrite
  Author: Andrzej Dubaj
• The greatest clock (and map) ever made
  Author: Andrzej Dubaj
• Planetary
  Author: Andrzej Dubaj
• 2D Rubens' Tube
  Author: Andrzej Dubaj
• Sound Wave
  Author: Andrzej Dubaj
• Escher and the Droste effect
  Author: Andrzej Dubaj
• Wide-band WebSDR
  Author: Andrzej Dubaj
• Base2Tone Cave Dark for Slacka
  Author: Andrzej Dubaj
• Tractor GPS Systems
  Author: Andrzej Dubaj
• Google Keynote (Google I/O 24)
  Author: Andrzej Dubaj
• Redstar OS
  Author: Andrzej Dubaj
• April 9 is CSS Naked Day!
  Author: Andrzej Dubaj
• Common keyboard patterns
  Author: Andrzej Dubaj
• PIN analysis
  Author: Andrzej Dubaj
• Modified CRT turned personal PC
  Author: Andrzej Dubaj
• Lock patterns
  Author: Andrzej Dubaj
• Send mail with a BASH Shell Script
  Author: Andrzej Dubaj
• The Keanu Reeves Whoa API
  Author: Andrzej Dubaj
• Learning resources - Android
  Author: Andrzej Dubaj
• Office Space came out in 1999
  Author: Andrzej Dubaj
• List of 2024 Leap Day Bugs
  Author: Andrzej Dubaj
• Roomba is watching
  Author: Andrzej Dubaj
• Automattic's self-immolation continues apace
  Author: Andrzej Dubaj
• Compiling Gnuplot on OS X
  Author: Andrzej Dubaj
• Happy The Matrix day to all who celebrate
  Author: Andrzej Dubaj
• Only fake IDs
  Author: Andrzej Dubaj
• Emacs in Tron Legacy (2010)
  Author: Andrzej Dubaj
• Wake up ...
  Author: Andrzej Dubaj
• ASCII Dot Theater
  Author: Andrzej Dubaj
• $500M Mars Rover Mistake
  Author: Andrzej Dubaj
• 1699174476
  Author: Andrzej Dubaj
• Programmers Aren't Productive Anymore by Jonathan Blow (25 Jul 2022)
  Author: Andrzej Dubaj
• Save to Dock
  Author: Andrzej Dubaj
• Critical New 1Password
  Author: Andrzej Dubaj
• Stop Writing Dead Programs
  Author: Andrzej Dubaj
• Favorite tech innovation
  Author: Andrzej Dubaj

React

• SafeView and how to use
  Author: Andrzej Dubaj
• How to insall Jest to test React components
  Author: Andrzej Dubaj
• ReactDOM.render is no longer supported in React 18
  Author: Andrzej Dubaj

Reactive Programming

• Getting started with RSocket
  Author: Andrzej Dubaj

Recharts

• Recharts
  Author: Andrzej Dubaj

Redis

• Redis installation from source
  Author: Andrzej Dubaj

Review

• 2021 summary, review ... you name it
  Author: Andrzej Dubaj
• One Assert Per Test - OAPT
  Author: Andrzej Dubaj

Robots

• Roomba is watching
  Author: Andrzej Dubaj

Rocky Linux 9

• Installing Netdata on Rocky Linux 9
  Author: Andrzej Dubaj

Rocky Linux 9.1

• Docker on Rocky Linux 9.1
  Author: Andrzej Dubaj

Rounding errors

• Rounding errors
  Author: Andrzej Dubaj

Ruby

• Hello World in different languages
  Author: Andrzej Dubaj
• Simple scaffold application in Rails
  Author: Andrzej Dubaj
• FATAL: database files are incompatible with server
  Author: Andrzej Dubaj
• String interpolation in Ruby
  Author: Andrzej Dubaj

Ruby on Rails

• Simple scaffold application in Rails
  Author: Andrzej Dubaj
• FATAL: database files are incompatible with server
  Author: Andrzej Dubaj

Rust

• FreeBSD considers Rust in the base system
  Author: Andrzej Dubaj
• How to install Rust
  Author: Andrzej Dubaj
• RustRover – A Standalone Rust IDE
  Author: Andrzej Dubaj

SDK

• Installing Android SDK on Debian server
  Author: Andrzej Dubaj

SDK Man

• SDKMAN! - Multiple versions of Java
  Author: Andrzej Dubaj

SDLC

• Woodpicker and IT
  Author: Andrzej Dubaj
• Starting point - prologue
  Author: Andrzej Dubaj

SQL

• Data Engineering Journey - no. 04
  Author: Andrzej Dubaj
• Data Engineering Journey - no. 03
  Author: Andrzej Dubaj
• Randomly selecting a record from the Postrgress table
  Author: Andrzej Dubaj
• SQL queries, part II
  Author: Andrzej Dubaj
• SQL queries, part I
  Author: Andrzej Dubaj
• Get a List of all Tables In Oracle SQL
  Author: Andrzej Dubaj

Scaffold

• Simple scaffold application in Rails
  Author: Andrzej Dubaj

Schrödinger Equation

• Quantum Computing Challenge - Day 7: Quantum Mechanics Fundamentals - Schrödinger Equation, Density Matrices, and Postulates
  Author: Andrzej Dubaj

Schrödinger cat

• Almost and Schrödinger cat
  Author: Andrzej Dubaj

Script

• Simple bash script to clean a folder
  Author: Andrzej Dubaj

Security

• Redstar OS
  Author: Andrzej Dubaj
• Common keyboard patterns
  Author: Andrzej Dubaj
• Address R vulnerability
  Author: Andrzej Dubaj
• PIN analysis
  Author: Andrzej Dubaj
• Lock patterns
  Author: Andrzej Dubaj
• Roomba is watching
  Author: Andrzej Dubaj
• NetHunter Store
  Author: Andrzej Dubaj

Selenium

• Selenium Grid
  Author: Andrzej Dubaj

Self development

• Lifestile
  Author: Andrzej Dubaj

Shearing knowlage

• Sharing knowledge in a wrong way
  Author: Andrzej Dubaj

Shell

• Editor, shell && IDE
  Author: Andrzej Dubaj
• Getting PID by Name on FreeBSD
  Author: Andrzej Dubaj

Site News

• Let The Game Begin!
  Author: Andrzej Dubaj

Slack

• Base2Tone Cave Dark for Slacka
  Author: Andrzej Dubaj

Sockets

• AF_UNIX comes to Windows - Unix sockets
  Author: Andrzej Dubaj

Soft skills

• Sharing knowledge in a wrong way
  Author: Andrzej Dubaj

Software Development

• Unicode Primer
  Author: Andrzej Dubaj
• Git cheat sheet
  Author: Andrzej Dubaj
• One Hacker Way Rational alternative of Agile
  Author: Andrzej Dubaj
• Clean Code Cheat Sheet
  Author: Andrzej Dubaj

Source.list

• Kali Linux – sources.list and update
  Author: Andrzej Dubaj

Spacetime

• Defining lunar time
  Author: Andrzej Dubaj

Spring

• Login form using Spring MVC part 2
  Author: Andrzej Dubaj
• Login form using Spring MVC part 1
  Author: Andrzej Dubaj
• Initial controller, view and dispatcher servlet configuration
  Author: Andrzej Dubaj

Spring Boot

• How to setup reactive client with OAuth in Spring Boot?
  Author: Andrzej Dubaj

Spring Framework

• Initial controller, view and dispatcher servlet configuration
  Author: Andrzej Dubaj

String interpolation

• String interpolation in Ruby
  Author: Andrzej Dubaj

System

• Redstar OS
  Author: Andrzej Dubaj
• Save to Dock
  Author: Andrzej Dubaj
• Getting PID by Name on FreeBSD
  Author: Andrzej Dubaj

Systems

• Fake ID's in Bash
  Author: Andrzej Dubaj

Team

• Sharing knowledge in a wrong way
  Author: Andrzej Dubaj

TensorFlow

• Tensor flow 2.0
  Author: Andrzej Dubaj

Terminal

• Discord in terminal
  Author: Andrzej Dubaj
• Ubuntu 25.04 and alternative terminal emulators
  Author: Andrzej Dubaj

Test automation

• Selenium Grid
  Author: Andrzej Dubaj

Tests

• Testing for ...
  Author: Andrzej Dubaj
• Behavior Driven Development - list
  Author: Andrzej Dubaj
• Behavior Driven Development Vol. 3
  Author: Andrzej Dubaj
• Behavior Driven Development Vol. 2
  Author: Andrzej Dubaj
• Behavior Driven Development Vol. 1
  Author: Andrzej Dubaj
• Selenium Grid
  Author: Andrzej Dubaj

Tests processes

• A few words about automation
  Author: Andrzej Dubaj

Time

• The greatest clock (and map) ever made
  Author: Andrzej Dubaj
• Defining lunar time
  Author: Andrzej Dubaj
• Time - your most valuable resource. Don't waste it
  Author: Andrzej Dubaj

Tips

• If I Could Turn Back ...
  Author: Andrzej Dubaj

Tools

• nala alternative to APT on Ubuntu
  Author: Andrzej Dubaj
• Intel Neural Compute Stick 2
  Author: Andrzej Dubaj
• RustRover – A Standalone Rust IDE
  Author: Andrzej Dubaj
• Editor, shell && IDE
  Author: Andrzej Dubaj
• The art of drawing part I
  Author: Andrzej Dubaj
• 5 new lines in .vimrc
  Author: Andrzej Dubaj
• How to connect ta Android device via TCP/IP?
  Author: Andrzej Dubaj
• NetHunter Store
  Author: Andrzej Dubaj
• Writing Tool for Software Developers
  Author: Andrzej Dubaj
• Kali Linux in the Windows App Store
  Author: Andrzej Dubaj
• Git cheat sheet
  Author: Andrzej Dubaj
• Alternatives for Evernote
  Author: Andrzej Dubaj
• Ten useful applications on android
  Author: Andrzej Dubaj
• Short introduction to git
  Author: Andrzej Dubaj
• Selenium Grid
  Author: Andrzej Dubaj
• Docker and Raspberry Pi
  Author: Andrzej Dubaj
• What is Docker?
  Author: Andrzej Dubaj
• Maven #03 ~ How to create Maven project in IntelliJ IDE
  Author: Andrzej Dubaj
• Maven #02 ~ pom.xml
  Author: Andrzej Dubaj
• Maven #01 ~ What is Maven?
  Author: Andrzej Dubaj
• Level 0. VIM user
  Author: Andrzej Dubaj
• Apktool
  Author: Andrzej Dubaj
• Reading logs with ADB: the most useful commands
  Author: Andrzej Dubaj

Travels

• Business trips - basic field manual
  Author: Andrzej Dubaj

Trips

• Business trips - basic field manual
  Author: Andrzej Dubaj

Troubleshooting

• lsp-typescript
  Author: Andrzej Dubaj

TypeScript

• Inlay hints to work with the latest Eglot in TypeScript buffers
  Author: Andrzej Dubaj

UML

• The art of drawing part I
  Author: Andrzej Dubaj

USB

• USB and backups
  Author: Andrzej Dubaj

Ubuntu

• nala alternative to APT on Ubuntu
  Author: Andrzej Dubaj
• How to Install Dotnet Core on Ubuntu 20.04
  Author: Andrzej Dubaj

Ubuntu 22.04.1 LTS

• Jenkins on Ubuntu 22.04.1 LTS
  Author: Andrzej Dubaj

Unicode

• Unicode Primer
  Author: Andrzej Dubaj

UnitTest

• One Assert Per Test - OAPT
  Author: Andrzej Dubaj

Update

• Kali Linux – sources.list and update
  Author: Andrzej Dubaj
• Let The Game Begin!
  Author: Andrzej Dubaj

Version control

• Short introduction to git
  Author: Andrzej Dubaj

Video Talks

• One Hacker Way Rational alternative of Agile
  Author: Andrzej Dubaj

Vim

• Vim Cheat Sheet
  Author: Andrzej Dubaj
• Vim mnemonics
  Author: Andrzej Dubaj
• 5 new lines in .vimrc
  Author: Andrzej Dubaj
• Level 0. VIM user
  Author: Andrzej Dubaj

Virtual Box

• How to set up Kali Linux on Virtual Box
  Author: Andrzej Dubaj

Weekly

• 🛠 Hands-On Sunday #1 – June 1, 2025
  Author: Andrzej Dubaj

Welcome

• Let The Game Begin!
  Author: Andrzej Dubaj

Windows

• AF_UNIX comes to Windows - Unix sockets
  Author: Andrzej Dubaj

bayesian

• Bayesian analysis with Python - simple
  Author: Andrzej Dubaj

curl

• Uploading files with curl
  Author: Andrzej Dubaj

dotnet

• How to Install Dotnet Core on Ubuntu 20.04
  Author: Andrzej Dubaj

elisp

• Alarm for Breaks
  Author: Andrzej Dubaj
• Split into multiple windows vertically
  Author: Andrzej Dubaj
• Insert source code block in org-mode
  Author: Andrzej Dubaj
• Edit current file as root
  Author: Andrzej Dubaj

emacs

• Troubleshooting Emacs pauses
  Author: Andrzej Dubaj
• ERC login emacs
  Author: Andrzej Dubaj
• org-html-export returns
  Author: Andrzej Dubaj
• Alarm for Breaks
  Author: Andrzej Dubaj
• Split into multiple windows vertically
  Author: Andrzej Dubaj
• Insert source code block in org-mode
  Author: Andrzej Dubaj
• Edit current file as root
  Author: Andrzej Dubaj
• Delete the file corresponding to the current buffer
  Author: Andrzej Dubaj

exp

• Getting rid of mouse
  Author: Andrzej Dubaj

git

• No url found for submodule path
  Author: Andrzej Dubaj

lib

• Tidyverse
  Author: Andrzej Dubaj

new year

• 11111100110
  Author: Andrzej Dubaj

nodejs

• npm can't find module semver
  Author: Andrzej Dubaj

npm

• Recharts
  Author: Andrzej Dubaj
• SafeView and how to use
  Author: Andrzej Dubaj

org-mode

• org-html-export returns
  Author: Andrzej Dubaj
• Alarm for Breaks
  Author: Andrzej Dubaj
• Split into multiple windows vertically
  Author: Andrzej Dubaj
• Insert source code block in org-mode
  Author: Andrzej Dubaj

python

• Bayesian analysis with Python - simple
  Author: Andrzej Dubaj

sec

• Spider-miner, spider-miner, does whatever a miner can
  Author: Andrzej Dubaj

servlet

• Initial controller, view and dispatcher servlet configuration
  Author: Andrzej Dubaj

submodule

• No url found for submodule path
  Author: Andrzej Dubaj