• Posted on June 20, 2016

Basic example how to code a Image button in PyQt

You can subclass QAbstractButton and make a button of your own. That’s not a super easy way, but it gives you a lot of control. You can add second pixmap and draw it only when the mouse pointer is hover over button. You can change current stretching behavior to the centering one. You can make it to have not a rectangular shape and so on.

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  • Posted on May 06, 2015

Assembly and installation antenna Cushcraft A4S

After the first VHF contest ’15 we start install HF-antenna bought by Andrew. Video about assembly and installation antenna Cushcraft A4S on position UT4UEP/p below
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  • Posted on February 21, 2015

Django suit admin inline pagination

When you have a lot of inline objects, pagination will be a good way to make page of item lighter. You can implement it by yourself. Also keep in mind for Django 1.5 and Django 1.6 implementations differ. Continue Reading

  • Posted on May 10, 2014

My first handmade VHF Yagi

I was impressed by possible propagation of directional antennas and wanted to construct antenna one by myself. Many thanks to UT4ULT who supported me to build this first Yagi antenna by DK7ZB
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  • Posted on April 09, 2014

Howto install Postfix and SASL (Debian, Ubuntu)

Today I needed to configure one of dedicated servers with postfix boxes to use SASL. This time I decided to use saslauthd instead of pwcheck, as I always did before Continue Reading

  • Posted on April 08, 2014

kerl – easy building and installing of Erlang/OTP instances

When I upgraded my Mac OS X and my MacPorts Erlang was update to R16B03-1 version I have problem with new version of Erlang. I have application with parameterized modules which are no longer supported in R16** Continue Reading

  • Posted on December 12, 2013

Fix Django 1.4 admin_site ForeignKeyRawIdWidget issue

If you want use field widget from Django 1.3 in Django 1.4 you need patch it Continue Reading

  • Posted on July 26, 2013

How to mount an ISO image OpenBSD

How do I mount an ISO image in OpenBSD operating systems using command line options?
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  • Posted on May 17, 2013

SDR receiver based on Android MK808B and DVB-T tuner

A small video about how you can use Android mini PC MK808B and  DVB-T tuner  Continue Reading

  • Posted on November 21, 2012

Most popular Kenwood, Icom, Motorola microphone pinouts

This is most popular microphones pinouts for transceivers of Kenwood, Motorola, Icom Continue Reading

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