The Migration mental framework of pre-refactoring, change, post-refactoring is very useful also outside of the typical narrow definition of program or database migrations.

Completely overhauled keyboard shortcuts for Intellij IDEA on macOS.

The journey of the PCB from start to finish. Designed using Eagle CAD, printed at OSH Park, delivered, assembled to build the final lamp.

Bluetooth 4 Low Energy protocol implementation on the Lamp

The detailed description of the prototype hardware used for the lamp project.

I have recorded a couple of timelapse videos during project assembly, including sanding the PCB, inserting components and soldering them. I trust some of you might find it interesting, it's about one minute long.

In this series I will share my experiences with building an Rfduino-based RGB LED lamp from start to finish, including iOS and other apps for remote control.

Pred časom sa mi dostal do ruky link na [zaujímavý článok o rulete](http://braniblog.info/2/?fb_action_ids=10204512621958174&fb_action_types=og.likes), nazvaný "Ako som zarobil peniaze a kúpil si Lexus SC430-2003". Veľmi som tomu neveril, ale snažím sa mať hlavu otvorenú, tak som si to aspoň prečítal. V tomto poste by som teda chcel zhrnúť svoje postrehy.

Pred časom sa mi dostal do ruky link na [zaujímavý článok o rulete](http://braniblog.info/2/?fb_action_ids=10204512621958174&fb_action_types=og.likes), nazvaný "Ako som zarobil peniaze a kúpil si Lexus SC430-2003". Veľmi som tomu neveril, ale snažím sa mať hlavu otvorenú, tak som si to aspoň prečítal. V tomto poste by som teda chcel zhrnúť svoje postrehy.

Pred časom sa mi dostal do ruky link na [zaujímavý článok o rulete](http://braniblog.info/2/?fb_action_ids=10204512621958174&fb_action_types=og.likes), nazvaný "Ako som zarobil peniaze a kúpil si Lexus SC430-2003". Veľmi som tomu neveril, ale snažím sa mať hlavu otvorenú, tak som si to aspoň prečítal. V tomto poste by som teda chcel zhrnúť svoje postrehy.

Fixing my Python install

Upgrading the disk in my machine

Preformance optimization of a Python function

Profiling and performance optimization of a Python function

Previously we have looked at detecting the iris in an image of an eye, now we'll look at transforming the circular image into a rectangular one.

A Safari Extension to convert common imperial units to metric in a website's text

How to detect the iris in an image of an eye.

How to detect pupil in an image of an eye