• A complete demo of the below:

    • Schematic concept of analogue active harmonic oscillator (AHO)
    • Concept of digital active harmonic oscillator (DAHO)
    • A source code that practically implements an algorythm of DAHO. It simulates a sinusoid in a real-time using algorythm rather than pre-calculated discrete values table.
    digital integrators based harmonic oscillator
  • Record model CRUD explorer /records

    Stats of link shortener /stats

    A page to create a shortened link
    After button is clicked you are being redirected to https://tracking-app.papievis.com/s/{#hash}
    Where #hash is a unique short sequence of symbols. After this you will immediately be redirected to the target page.

    https://tracking-app.papievis.com/?url=https://example.com

    RabbitMQ message broker dashboard.
    Username: guest
    Password: guest

    https://tracking-app-mq.papievis.com/

    Deployed from source

    https://github.com/PapevisO/tracking-app

    Deployment powered by docker-compose

  • My Personal CV, listing skills, education and detailed experience.
    Published as a public issue-tracking feed on a Ruby-on-Rails based CRM. An open-source project Redmine.
    CRM is self-hosted since 2011.

    https://redmine.papievis.com/issues/370
  • Shorter CV, published on a Linkedin https://www.linkedin.com/in/oleksandr-papevis-22017275/
Harmonic wave curve with equal amplitudes layout icon by Icons8
Ruby Programming Language icon by Icons8
Docker icon by Icons8 Nginx icon by Icons8
CRM icon by Icons8 CV icon by Icons8 Shorten URLs icon by Icons8
Open Source icon by Icons8 Launch icon by Icons8
Let's Encrypt a certificate authority run by Internet Security Research Group icon by Icons8
Acknowledgement to Jeff Wilder jwilder and Yves Blusseau JrCs
https://github.com/nginx-proxy/acme-companion/issues/616