Artykuły i aktualności: inżynieria oprogramowania i komputery kwantowehttps://lukaszherok.com/https://lukaszherok.com/artykuly/notuj-swobodnie-niech-ai-zadba-o-reszte/https://lukaszherok.com/artykuly/notuj-swobodnie-niech-ai-zadba-o-reszte/Mon, 17 Aug 2026 00:00:00 GMThttps://lukaszherok.com/artykuly/qbronze/https://lukaszherok.com/artykuly/qbronze/Sat, 01 Nov 2025 00:00:00 GMThttps://lukaszherok.com/artykuly/technologie-kwantowe-konferencja-uodo/https://lukaszherok.com/artykuly/technologie-kwantowe-konferencja-uodo/Czy **Quantum Act* to wróżenie z fusów, czy klucz do przyszłości? Świat się nie skończy. Ale się zmieni. I jeśli nie zrobimy nic, to zostaniemy z tyłu w wyścigu, który już trwa – choć większość jeszcze nie zauważyła, że wystartował.Sat, 14 Jun 2025 00:00:00 GMThttps://lukaszherok.com/artykuly/krotka-historia-komputerow-kwantowych-cz-1/https://lukaszherok.com/artykuly/krotka-historia-komputerow-kwantowych-cz-1/Wed, 11 Jun 2025 00:00:00 GMThttps://lukaszherok.com/en/articles/mgates/https://lukaszherok.com/en/articles/mgates/The matrices for qubit gates are provided for the dimension appropiate to act directly on a single qubits. The question is how to extend the matrices to act on mulitqubit system that is represented by the column vector. This article gives short introduction into qubits and quantum gates, then it shows on the examples how to extends one and two qubit gates for multi qubit system using the matrix algebra.Sun, 08 Jun 2025 00:00:00 GMThttps://lukaszherok.com/artykuly/w-polsce-biznes-nie-jest-gotowy-na-epoke-kwantowa/https://lukaszherok.com/artykuly/w-polsce-biznes-nie-jest-gotowy-na-epoke-kwantowa/"W Polsce biznes nie jest gotowy na epokę kwantową". Z takim, trochę pesymistycznym podsumowaniem zostawił nas panel "Czy biznes jest gotowy na epokę kwantową?" na tegorocznym Carpathian Startup Fest.Sun, 01 Jun 2025 00:00:00 GMThttps://lukaszherok.com/aktualnosci/2025-05-25-carpathian-startup-fest-2025-zakonczony/https://lukaszherok.com/aktualnosci/2025-05-25-carpathian-startup-fest-2025-zakonczony/Najciekawsze, luźno spisane myśli, które najbardziej zapadły mi w pamięć: Panel dyskusyjny z udziałem Adama Górala i Piotra Nowosielskiego: - W przyszłości benefitem będzie sama praca. - Udziały to nadal tylko sprzedawanie marzeń. - Najlepszym inwestorem jest klient. - Zamiast narzekać i na tym końSun, 25 May 2025 00:00:00 GMThttps://lukaszherok.com/en/articles/linux-server-administration-cheatsheet/https://lukaszherok.com/en/articles/linux-server-administration-cheatsheet/Security checks, certificates, scheduled jobs, disks and backups, network diagnostics and basic system configuration — commands I use on Linux servers.Sat, 17 May 2025 00:00:00 GMThttps://lukaszherok.com/en/updates/2025-05-13-mac-user-frustrated-with-home-end-keys/https://lukaszherok.com/en/updates/2025-05-13-mac-user-frustrated-with-home-end-keys/Here is [the gist](https://gist.github.com/lukasszz/7888672e92bacb129a900056fe836f84) that remaps Home and End to work like on Windows/Linux-jumping to the beginning/end of the line, not the whole document!Tue, 13 May 2025 00:00:00 GMThttps://lukaszherok.com/en/updates/2025-05-06-by-default-the-microphone-key-on-some-keychron-models-doesn/https://lukaszherok.com/en/updates/2025-05-06-by-default-the-microphone-key-on-some-keychron-models-doesn/By default, the microphone key on some Keychron models doesn’t trigger macOS dictation. With Karabiner-Elements, you can remap that key to launch dictation or any other system function. This setup allows you to start voice dictation with a single key press, improving workflow efficiency. To make tTue, 06 May 2025 00:00:00 GMThttps://lukaszherok.com/en/updates/2025-05-05-this-script-https-gist-github-com-lukasszz/https://lukaszherok.com/en/updates/2025-05-05-this-script-https-gist-github-com-lukasszz/[This script](https://gist.github.com/lukasszz/a80a38547f530d299fdf565ff42c8a07) is useful if you want to see two full weeks at once in the macOS Calendar app, instead of just the standard 7-day week view. I use it every Monday morning to review what I didn’t finish last week and to plan my tasks foMon, 05 May 2025 00:00:00 GMThttps://lukaszherok.com/en/articles/ovh-public-cloud-instances-disks-gateway/https://lukaszherok.com/en/articles/ovh-public-cloud-instances-disks-gateway/Moving virtual servers with the OpenStack client, attaching a new block storage disk, and replacing the private network gateway when the public IP is blacklisted.Sat, 10 Feb 2024 00:00:00 GMThttps://lukaszherok.com/en/articles/connect-a-usb-drive-to-your-cloud/https://lukaszherok.com/en/articles/connect-a-usb-drive-to-your-cloud/USB passthrough is a technology enabling a USB device connected to a physical machine to be shared on a virtual machine hosted on it's cloud system. This capability is especially useful in scenarios like data backups and transferring large files between virtual machines.Sat, 06 Jan 2024 00:00:00 GMThttps://lukaszherok.com/en/articles/linux-email-notifications-for-cron-jobs-and-bash-scripts/https://lukaszherok.com/en/articles/linux-email-notifications-for-cron-jobs-and-bash-scripts/In a Linux environment, managing email notifications for tasks like cron jobs and setting up email services can often be complex. This article explores the efficient setup and use of msmtp for managing email notifications in Linux, specifically for cron job monitoring and Bash script outputs.Sun, 10 Dec 2023 00:00:00 GMThttps://lukaszherok.com/en/updates/2023-11-04-readwise-https-readwise-io-a-game-changer-in-reviewing/https://lukaszherok.com/en/updates/2023-11-04-readwise-https-readwise-io-a-game-changer-in-reviewing/[Readwise](https://readwise.io) - a game-changer in reviewing valuable book highlights. Now I receive them in my email daily like clockwork. 📚💼Sat, 04 Nov 2023 00:00:00 GMThttps://lukaszherok.com/en/updates/2023-08-04-for-the-first-time-in-the-world-we-succeeded-in-synthesizing/https://lukaszherok.com/en/updates/2023-08-04-for-the-first-time-in-the-world-we-succeeded-in-synthesizing/For the first time in the world, we succeeded in synthesizing the room-temperature superconductor (Tc ≥400 K, 127C) working at ambient pressure with a modified lead-apatite (LK-99) structure. [https://lnkd.in/d-nEzWdp](https://lnkd.in/d-nEzWdp)Fri, 04 Aug 2023 00:00:00 GMThttps://lukaszherok.com/en/articles/postgresql-archive-partitioning-psql/https://lukaszherok.com/en/articles/postgresql-archive-partitioning-psql/Moving old rows to an archive table in a single query, table partitioning by inheritance, and logging in with psql without typing the password.Sat, 27 May 2023 00:00:00 GMThttps://lukaszherok.com/en/updates/2023-05-14-simple-short-and-well-organized-course-it-will-give-you-a/https://lukaszherok.com/en/updates/2023-05-14-simple-short-and-well-organized-course-it-will-give-you-a/[Short course ChatGPT Prompt Engineering for Developers](https://www.deeplearning.ai/short-courses/chatgpt-prompt-engineering-for-developers)Sun, 14 May 2023 00:00:00 GMThttps://lukaszherok.com/aktualnosci/2023-05-14-w-systemie-kll-erp-produkcje-w-toku-wycenia-sie-wedlug/https://lukaszherok.com/aktualnosci/2023-05-14-w-systemie-kll-erp-produkcje-w-toku-wycenia-sie-wedlug/W systemie KLL-ERP, produkcję w toku wycenia się według rzeczywistych kosztów wytworzenia włącznie z kosztami bezpośrednimi i pośrednimi. Dzięki temu firma może zidentyfikować obszary, w których można zaoszczędzić koszty i zwiększyć zyski.  [7 Cases When You Should Not Use Docker](https://www.freecodecamp.org/news/7-cases-when-not-to-use-docker/)Sun, 05 Feb 2023 00:00:00 GMThttps://lukaszherok.com/en/articles/collecting-usage-statistics-in-saas-application/https://lukaszherok.com/en/articles/collecting-usage-statistics-in-saas-application/Collecting user statistics is vital for scaling SaaS. Use an external database, ensure fast, thread-safe logging with SQLAlchemy, and log errors without impacting core application. Example code in Flask shows how to register and save usage stats efficiently using raw SQL for performance.Wed, 26 Oct 2022 00:00:00 GMThttps://lukaszherok.com/en/articles/linux-desktop-and-shell-tips/https://lukaszherok.com/en/articles/linux-desktop-and-shell-tips/Numpad decimal separator, PackageKit cache, Firefox fonts, SD card backup, KVM snapshots, bulk image resizing, hostname in the zsh prompt and Midnight Commander settings.Fri, 22 Apr 2022 00:00:00 GMThttps://lukaszherok.com/en/updates/2022-04-20-in-the-ovh-there-are-available-new-distros-alma-and-rocky/https://lukaszherok.com/en/updates/2022-04-20-in-the-ovh-there-are-available-new-distros-alma-and-rocky/So far I think it's better to wait before deciding to move to Debian, and change the ecosystem for legacy projects.Wed, 20 Apr 2022 00:00:00 GMThttps://lukaszherok.com/en/articles/python-and-pyside2-snippets/https://lukaszherok.com/en/articles/python-and-pyside2-snippets/Testing console input and output, upgrading all pip packages, generating CLIs, dialogs and resources in PySide2, and a dark theme for Jupyter Notebook.Tue, 08 Mar 2022 00:00:00 GMThttps://lukaszherok.com/en/articles/libreoffice-and-google-sheets-automation/https://lukaszherok.com/en/articles/libreoffice-and-google-sheets-automation/Fixing LibreOffice ODT to PDF conversion that hangs when run in parallel from PHP, transposing rows to columns, and deleting many Google Sheets tabs with a script.Sun, 21 Nov 2021 00:00:00 GMThttps://lukaszherok.com/en/articles/flask-document-with-dynamic-lines-addition-using-fieldlist/https://lukaszherok.com/en/articles/flask-document-with-dynamic-lines-addition-using-fieldlist/This tutorial demonstrates dynamic FieldList implementation in Flask-WTF. Ideal for dynamic forms in CRMs, invoicing, or multi-entry data apps. Create nested forms, and clone rows using JavaScript. Handle editing by updating/deleting database entries based on form order, and ensure empty rows are omitted.Wed, 06 Oct 2021 00:00:00 GMThttps://lukaszherok.com/artykuly/tutorial-projekt-informatyczny-z-wykorzystaniem-narzedzi/https://lukaszherok.com/artykuly/tutorial-projekt-informatyczny-z-wykorzystaniem-narzedzi/Celem warsztatów będzie zrealizowanie przykładowej aplikacji webowej w technologii Python - Flask przy użyciu narzędzi do prowadzenia projektu informatycznego GitLab, Git. Aplikacja ma służyć do zapisywania publikacji przez pracowników wydawnictwa z możliwością dołączania plików multimedialnych.Tue, 05 Oct 2021 00:00:00 GMThttps://lukaszherok.com/artykuly/sphinxsearch-finding-by-partial-and-inflected-words/https://lukaszherok.com/artykuly/sphinxsearch-finding-by-partial-and-inflected-words/Enabling partial word search and word inflection support is highly beneficial for modern search-driven applications, especially those handling large text corpora, user-generated content, or multilingual data. This possibilties ara also provided by SphinxSearch.Sun, 07 Mar 2021 00:00:00 GMThttps://lukaszherok.com/en/articles/using-sphinxsearch-in-python/https://lukaszherok.com/en/articles/using-sphinxsearch-in-python/This post explores the possibilties of enabling SphinSearch in your Flask application.Tue, 02 Mar 2021 00:00:00 GMThttps://lukaszherok.com/en/articles/podman-postgresql-and-nextcloud/https://lukaszherok.com/en/articles/podman-postgresql-and-nextcloud/Running PostgreSQL with a persistent volume in Podman, reading container logs, and creating a network and volumes for a Nextcloud setup.Mon, 01 Mar 2021 00:00:00 GMThttps://lukaszherok.com/en/articles/running-sphinxsearch-in-podman-container/https://lukaszherok.com/en/articles/running-sphinxsearch-in-podman-container/Sat, 20 Feb 2021 00:00:00 GMThttps://lukaszherok.com/en/articles/migrating-form-sqllite-to-postgresql-in-flask/https://lukaszherok.com/en/articles/migrating-form-sqllite-to-postgresql-in-flask/Sat, 13 Feb 2021 00:00:00 GMThttps://lukaszherok.com/en/articles/neovim-cheatsheet/https://lukaszherok.com/en/articles/neovim-cheatsheet/Wed, 11 Nov 2020 00:00:00 GMThttps://lukaszherok.com/en/articles/gpl-softare-license-key-notes/https://lukaszherok.com/en/articles/gpl-softare-license-key-notes/Tue, 09 Jun 2020 00:00:00 GMThttps://lukaszherok.com/en/updates/2020-05-31-savings-https-savings-lukaszherok-com-1-0-released/https://lukaszherok.com/en/updates/2020-05-31-savings-https-savings-lukaszherok-com-1-0-released/[Savings](https://savings.lukaszherok.com/) 1.0. released!Sun, 31 May 2020 00:00:00 GMThttps://lukaszherok.com/en/articles/the-database-migrations-for-the-desktop-application-with/https://lukaszherok.com/en/articles/the-database-migrations-for-the-desktop-application-with/Tue, 26 May 2020 00:00:00 GMThttps://lukaszherok.com/en/updates/2020-03-28-developed-the-new-functionality-for-packaging-rotation/https://lukaszherok.com/en/updates/2020-03-28-developed-the-new-functionality-for-packaging-rotation/Developed the new functionality for packaging rotation management module (OPAK) with issuing kanban containers for shipping, and settling the packaging from pallet receipts issued to the carrier.Sat, 28 Mar 2020 00:00:00 GMThttps://lukaszherok.com/en/updates/2020-03-28-finished-the-tutorial-getting-started-with-pyqt5-https-www/https://lukaszherok.com/en/updates/2020-03-28-finished-the-tutorial-getting-started-with-pyqt5-https-www/Finished the tutorial [Getting started with PyQt5](https://www.learnpyqt.com/courses/start/) Sat, 28 Mar 2020 00:00:00 GMThttps://lukaszherok.com/aktualnosci/2020-03-15-praca-zdalna-poradnik/https://lukaszherok.com/aktualnosci/2020-03-15-praca-zdalna-poradnik/Jeszcze w trakcie pisania, ale dla nagle rozpoczynających przygodę z pracą zdalną solidna baza do startu. Sun, 15 Mar 2020 00:00:00 GMThttps://lukaszherok.com/en/updates/2020-02-22-blinking-the-led-through-the-network-with-the-micorpython/https://lukaszherok.com/en/updates/2020-02-22-blinking-the-led-through-the-network-with-the-micorpython/Sat, 22 Feb 2020 00:00:00 GMThttps://lukaszherok.com/en/articles/git-everyday-commands/https://lukaszherok.com/en/articles/git-everyday-commands/Discarding local changes, undoing the last commit, syncing a fork, storing credentials in GNOME Keyring and a branching model for client installations.Sun, 12 Jan 2020 00:00:00 GMThttps://lukaszherok.com/en/updates/2019-12-28-experimenting-with-qt5-https-www-qt-io-using-tech-stack-qt/https://lukaszherok.com/en/updates/2019-12-28-experimenting-with-qt5-https-www-qt-io-using-tech-stack-qt/Experimenting with [Qt5](https://www.qt.io/) using tech stack: Qt Creator, Python3, Qt, PySide2, Sqlite.Sat, 28 Dec 2019 00:00:00 GMThttps://lukaszherok.com/en/updates/2019-11-23-read-the-temperature-and-pressure-from-the-bmp280-sensor/https://lukaszherok.com/en/updates/2019-11-23-read-the-temperature-and-pressure-from-the-bmp280-sensor/Read the temperature and pressure from the BMP280 sensor, using the [bmp280 driver](https://github.com/dafvid/micropython-bmp280) and [Micropython plugin for Pycharm](https://blog.jetbrains.com/pycharm/2018/01/micropython-plugin-for-pycharm/): ``` from machine import I2C from bmp280 import BMP280 Sat, 23 Nov 2019 00:00:00 GMThttps://lukaszherok.com/en/updates/2019-11-17-blinking-the-led-on-the-esp8266-with-my-son/https://lukaszherok.com/en/updates/2019-11-17-blinking-the-led-on-the-esp8266-with-my-son/```python import machine pin = machine.Pin(2, machine.Pin.OUT) pin.off() pin.on() ``` Sun, 17 Nov 2019 00:00:00 GMThttps://lukaszherok.com/en/articles/bitstring-compression/https://lukaszherok.com/en/articles/bitstring-compression/The aim of this tutorial is to show you how quantum computers can store information encoded in a bit string using significantly fewer qubits than classical bits. It is possible thanks to the superposition effect, explained here through an example.Thu, 14 Nov 2019 00:00:00 GMThttps://lukaszherok.com/en/articles/markdown-math-for-technical-writing/https://lukaszherok.com/en/articles/markdown-math-for-technical-writing/Inline and footnote references in Markdown, MathJax delimiters, and regular expressions that convert a Jupyter notebook exported to Markdown into MathJax-friendly Markdown.Thu, 14 Nov 2019 00:00:00 GMThttps://lukaszherok.com/en/articles/grover/https://lukaszherok.com/en/articles/grover/This article goes through the Qiskit Textbook Grover’s algorithm explaining it in more details, showing how to apply quantum gates as the matrix calculus. Grover’s algorithm is being described as a searching algorithm for the unstructured database. However, this example shows how to perform it to make a quantum system reveal the marked states.Sat, 09 Nov 2019 00:00:00 GMThttps://lukaszherok.com/en/updates/2019-10-06-i-developed-the-quantum-program-in-qiskit-sdk-solving-the/https://lukaszherok.com/en/updates/2019-10-06-i-developed-the-quantum-program-in-qiskit-sdk-solving-the/I developed the quantum program in Qiskit SDK, solving the famous Maximum Cut Problem for three nodes, using the Full Adder for counting edges for the oracle.Sun, 06 Oct 2019 00:00:00 GMThttps://lukaszherok.com/en/updates/2019-10-05-implementing-grover-s-algorithm-https-en-wikipedia-org-wiki/https://lukaszherok.com/en/updates/2019-10-05-implementing-grover-s-algorithm-https-en-wikipedia-org-wiki/Implementing [Grover's algorithm](https://en.wikipedia.org/wiki/Grover%27s_algorithm) for two qubits - with and without ancilla qubit.Sat, 05 Oct 2019 00:00:00 GMThttps://lukaszherok.com/en/updates/2019-10-04-creating-a-unified-data-source-for-the-erp-production-module/https://lukaszherok.com/en/updates/2019-10-04-creating-a-unified-data-source-for-the-erp-production-module/Creating a unified data source for the ERP Production module for comparing normed materials and estimated times versus real usage and worker time.Fri, 04 Oct 2019 00:00:00 GMThttps://lukaszherok.com/en/updates/2019-10-03-quantum-full-adder-https-github-com-lukasszz-qiskit-exp-blob/https://lukaszherok.com/en/updates/2019-10-03-quantum-full-adder-https-github-com-lukasszz-qiskit-exp-blob/Quantum [Full Adder](https://github.com/lukasszz/qiskit-exp/blob/master/ibm-challange/full-adder.py) completed.Thu, 03 Oct 2019 00:00:00 GMThttps://lukaszherok.com/en/updates/2019-10-03-started-the-training-dna-droga-nowoczesnego-architekta-https/https://lukaszherok.com/en/updates/2019-10-03-started-the-training-dna-droga-nowoczesnego-architekta-https/Started the training [DNA: Droga Nowoczesnego Architekta](https://edu.devstyle.pl/)Thu, 03 Oct 2019 00:00:00 GMThttps://lukaszherok.com/en/updates/2019-09-16-presentation-storing-bitstrings-in-qubits-at-bbdays4-it-the/https://lukaszherok.com/en/updates/2019-09-16-presentation-storing-bitstrings-in-qubits-at-bbdays4-it-the/On the 14th of September, I gave a speech at [BBdays4 IT](https://bbdays4.it/), the IT conference for developers. During the presentation I was explaining the principles of how quantum computers work, the differences between bits and qubits, and how quantum algorithms are implemented. After the theoMon, 16 Sep 2019 00:00:00 GMThttps://lukaszherok.com/en/updates/2019-09-11-according-to-quantum-mechanic-and-no-cloning-theorem-https/https://lukaszherok.com/en/updates/2019-09-11-according-to-quantum-mechanic-and-no-cloning-theorem-https/According to Quantum Mechanic and [No-cloning theorem](https://en.wikipedia.org/wiki/No-cloning_theorem) perfect cloning is not possible. The key thing is superposition. Even if we know everything about the parts of the system, we don't have the full knowledge about the full system. We can simply viWed, 11 Sep 2019 00:00:00 GMThttps://lukaszherok.com/en/updates/2019-08-31-the-building-blocks-of-a-quantum-computer-part-2/https://lukaszherok.com/en/updates/2019-08-31-the-building-blocks-of-a-quantum-computer-part-2/Successfully completed and received a passing grade in *QTM3x: The Building Blocks of a Quantum Computer: Part 2*, a course of study offered by DelftX, an online learning initiative of *Delft University of Technology through edX*. [Certificate](https://courses.edx.org/certificates/cf8576cf3aad4598aSat, 31 Aug 2019 00:00:00 GMThttps://lukaszherok.com/en/updates/2019-07-24-using-docker-https-www-docker-com-for-the-isolated/https://lukaszherok.com/en/updates/2019-07-24-using-docker-https-www-docker-com-for-the-isolated/Using [Docker](https://www.docker.com/) for the isolated deployment of the ERP [Flask](https://palletsprojects.com/p/flask/) interface.Wed, 24 Jul 2019 00:00:00 GMThttps://lukaszherok.com/en/updates/2019-07-19-released-the-mvp-for-data-drilling-for-the-erp/https://lukaszherok.com/en/updates/2019-07-19-released-the-mvp-for-data-drilling-for-the-erp/Fri, 19 Jul 2019 00:00:00 GMThttps://lukaszherok.com/en/updates/2019-07-18-enhancing-flask-front-end-of-the-erp-system-with-javascript/https://lukaszherok.com/en/updates/2019-07-18-enhancing-flask-front-end-of-the-erp-system-with-javascript/Enhancing Flask front-end of the ERP system with javascript barcode reader, with double prefix support for automatic form filed recognition.Thu, 18 Jul 2019 00:00:00 GMThttps://lukaszherok.com/en/updates/2019-07-12-moved-the-site-https-lukaszherok-com-from-ovh-to-aws-after/https://lukaszherok.com/en/updates/2019-07-12-moved-the-site-https-lukaszherok-com-from-ovh-to-aws-after/Moved [the site](https://lukaszherok.com) from OVH to AWS after OVH deleted all my infrastructure, without any backup, just few days after payment delay.Fri, 12 Jul 2019 00:00:00 GMThttps://lukaszherok.com/en/updates/2019-07-11-doctoral-dissertation/https://lukaszherok.com/en/updates/2019-07-11-doctoral-dissertation/The main goal of the doctoral thesis was to examine in detail the thermodynamic properties of the superconducting state induced in selected compounds with the antiperovskite structure, in the framework of the classical Eliashberg equations formalism. The secondary goal was to initiate work on new soThu, 11 Jul 2019 00:00:00 GMThttps://lukaszherok.com/artykuly/wprowadzenie-do-budowy-qc/https://lukaszherok.com/artykuly/wprowadzenie-do-budowy-qc/Artykuł dostarcza podstawowych informacji o komputerach kwantowych. Omawiane są podstawy fizyczne, na których komputer kwantowy działa, oraz potencjalne pola zastosowań. Przedstawiono również cztery układy, na bazie których budowane są kubity.Sun, 31 Mar 2019 00:00:00 GMThttps://lukaszherok.com/en/updates/2019-03-23-pariticipated-in-qiskit-camp-https-qiskit-camp-at-ibm-thomas/https://lukaszherok.com/en/updates/2019-03-23-pariticipated-in-qiskit-camp-https-qiskit-camp-at-ibm-thomas/Participated in [Qiskit Camp 2019](https://qiskit.camp/) at IBM Thomas J. Watson Research Center in Yorktown Heights, NY, USA. During the 24-hour hackathon in the Mountain Top Inn & Resort in Killington, VT, we developed [FlappyQ](https://github.com/lukasszz/FlappyQ), a game for learning quantum gaSat, 23 Mar 2019 00:00:00 GMThttps://lukaszherok.com/en/updates/2019-03-18-working-over-the-introduction-to-the-bitstring-encoding/https://lukaszherok.com/en/updates/2019-03-18-working-over-the-introduction-to-the-bitstring-encoding/Working over the introduction to the bitstring encoding tutorial [qubits_lh](https://github.com/lukasszz/qiskit-tutorial/blob/bitstring_enc/community/hello_world/qubits_lh.ipynb).Mon, 18 Mar 2019 00:00:00 GMThttps://lukaszherok.com/en/updates/2019-02-09-invited-to-participate-in-the-2019-qiskit-camp-produced-by/https://lukaszherok.com/en/updates/2019-02-09-invited-to-participate-in-the-2019-qiskit-camp-produced-by/Invited to participate in the 2019 Qiskit Camp, produced by the Qiskit Community of IBM Research. [https://qiskit.camp](https://qiskit.camp)Sat, 09 Feb 2019 00:00:00 GMThttps://lukaszherok.com/en/updates/2019-01-29-exploring/https://lukaszherok.com/en/updates/2019-01-29-exploring/Exploring [Bravyi-Kitaev Superfast simulation of fermions on a quantum computer](https://arxiv.org/abs/1712.00446) and [OpenFermion: The Electronic Structure Package for Quantum Computers](https://arxiv.org/abs/1710.07629).Tue, 29 Jan 2019 00:00:00 GMThttps://lukaszherok.com/en/updates/2019-01-24-moved-the-qiskit-tutorial-storing-and-operating-on/https://lukaszherok.com/en/updates/2019-01-24-moved-the-qiskit-tutorial-storing-and-operating-on/Moved the `qiskit-tutorial` *Storing and operating on bitstrings on the quantum computer* to the [Qiskit Terra 0.7.0](https://qiskit.org/documentation/release_history.html#release-notes). Barrier explanation according to [Qiskit Backend Specifications](https://arxiv.org/pdf/1809.03452.pdf)Thu, 24 Jan 2019 00:00:00 GMThttps://lukaszherok.com/en/updates/2019-01-19-developing-sphinx-http-www-sphinx-doc-org-en-master-extdev/https://lukaszherok.com/en/updates/2019-01-19-developing-sphinx-http-www-sphinx-doc-org-en-master-extdev/Developing [Sphinx](http://www.sphinx-doc.org/en/master/extdev/index.html#dev-extensions) extension for generating suited version of product documentation for different clients.Sat, 19 Jan 2019 00:00:00 GMThttps://lukaszherok.com/en/updates/2018-12-04-quantumcircut-is-the-quantum-program-you-build-it-with/https://lukaszherok.com/en/updates/2018-12-04-quantumcircut-is-the-quantum-program-you-build-it-with/QuantumCircut is the quantum program. You build it with registers, quantum gates. Then compile and run on the quantum chip, without interaction. In the end you get results thanks to measure gates.Tue, 04 Dec 2018 00:00:00 GMThttps://lukaszherok.com/en/updates/2018-11-26-small-fix-issue-915-https-github-com-qiskit-qiskit-terra/https://lukaszherok.com/en/updates/2018-11-26-small-fix-issue-915-https-github-com-qiskit-qiskit-terra/Small fix [Issue 915](https://github.com/Qiskit/qiskit-terra/pull/1330) for Qiskit Terra.Mon, 26 Nov 2018 00:00:00 GMThttps://lukaszherok.com/en/updates/2018-11-25-small-help-for-qiskit-terra-https-github-com-qiskit-qiskit/https://lukaszherok.com/en/updates/2018-11-25-small-help-for-qiskit-terra-https-github-com-qiskit-qiskit/Small help for [Qiskit Terra](https://github.com/Qiskit/qiskit-terra) on [Github](https://github.com/Qiskit/qiskit-terra/pull/1329) and [StackOverflow](https://stackoverflow.com/questions/52701261/qiskit-nameerror-name-q0-is-not-defined/53456577#53456577).Sun, 25 Nov 2018 00:00:00 GMThttps://lukaszherok.com/en/updates/2018-11-22-created-ibm-quantum-backend-dashboard/https://lukaszherok.com/en/updates/2018-11-22-created-ibm-quantum-backend-dashboard/[https://lukaszherok.com/dash](https://lukaszherok.com/dash)Thu, 22 Nov 2018 00:00:00 GMThttps://lukaszherok.com/en/updates/2018-11-15-new-ansible-playbook-for-automatic-software-upgrade-on/https://lukaszherok.com/en/updates/2018-11-15-new-ansible-playbook-for-automatic-software-upgrade-on/Thu, 15 Nov 2018 00:00:00 GMThttps://lukaszherok.com/en/updates/2018-11-15-using-ibm-q-experience-https-quantumexperience-ng-bluemix/https://lukaszherok.com/en/updates/2018-11-15-using-ibm-q-experience-https-quantumexperience-ng-bluemix/Using [IBM Q Experience](https://quantumexperience.ng.bluemix.net/) Qunatum Computer as perfect random number generator.Thu, 15 Nov 2018 00:00:00 GMThttps://lukaszherok.com/en/updates/2018-11-08-installed-pi-hole-https-pi-hole-net-awesome-installer-in-my/https://lukaszherok.com/en/updates/2018-11-08-installed-pi-hole-https-pi-hole-net-awesome-installer-in-my/Installed [Pi-Hole](https://pi-hole.net/) (awesome installer) in my home. Now I'm Ad free :DThu, 08 Nov 2018 00:00:00 GMThttps://lukaszherok.com/en/updates/2018-11-08-the-first-hello-world-run-on-real-quantum-computer-device/https://lukaszherok.com/en/updates/2018-11-08-the-first-hello-world-run-on-real-quantum-computer-device/Output: ``` {'0': 983, '1': 41} ```Thu, 08 Nov 2018 00:00:00 GMThttps://lukaszherok.com/en/updates/2018-10-29-successfully-completed-and-received-a-passing-grade-in/https://lukaszherok.com/en/updates/2018-10-29-successfully-completed-and-received-a-passing-grade-in/Successfully completed and received a passing grade in *QTM2x: The Building Blocks of a Quantum Computer: Part 1*, a course of study offered by DelftX, an online learning initiative of *Delft University of Technology through edX*. [Certificate](https://courses.edx.org/certificates/56e42ec652c04c4caMon, 29 Oct 2018 00:00:00 GMThttps://lukaszherok.com/en/updates/2018-10-29-the-first-arduino-robot-build-together-with-my-son/https://lukaszherok.com/en/updates/2018-10-29-the-first-arduino-robot-build-together-with-my-son/[Arduino Nano DIY 4-DOF Robot Kit – Sloth Learning Kit](https://www.sunfounder.com/diy-4-dof-robot-kit.html)Mon, 29 Oct 2018 00:00:00 GMThttps://lukaszherok.com/en/updates/2018-10-16-learning-about-operations-on-nv-center-qubits/https://lukaszherok.com/en/updates/2018-10-16-learning-about-operations-on-nv-center-qubits/Tue, 16 Oct 2018 00:00:00 GMThttps://lukaszherok.com/en/updates/2018-10-04-edx-building-blocks-of-quantum-computer-topological-qubits/https://lukaszherok.com/en/updates/2018-10-04-edx-building-blocks-of-quantum-computer-topological-qubits/Thu, 04 Oct 2018 00:00:00 GMThttps://lukaszherok.com/en/updates/2015-12-06-transformation-of-hubbard-hamiltonian-into-the-matrix/https://lukaszherok.com/en/updates/2015-12-06-transformation-of-hubbard-hamiltonian-into-the-matrix/In order to perform larger scale physics research in the area of superconductivity, we have developed an application that can transform the Hubbard Hamiltonian into a matrix and diagonalize it to find the selected model's energy spectrum. For that purpose we have used the Python language and its widSun, 06 Dec 2015 00:00:00 GMThttps://lukaszherok.com/en/articles/testing-data-based-algorithms/https://lukaszherok.com/en/articles/testing-data-based-algorithms/Wed, 05 Feb 2014 00:00:00 GMThttps://lukaszherok.com/en/articles/websockets-performance/https://lukaszherok.com/en/articles/websockets-performance/Tue, 10 Dec 2013 00:00:00 GMT