22 Jun 2018
img-lint: find heavy images in your project
Serving compressed images should be the 1st step of any website optimization. You can imagine how I was surprised when found 2Mb PNG image on our pricing page. Loaded via background-image.
18 Dec 2017
translation missing: en.blog_post.title
TL;DR Make sure you’re raising an error in test and development environments if there is a translation missing. Below there are a couple of thoughts and examples.
10 Jul 2017
Meet Guitar Bro – open source browser game that helps you learn notes on guitar
It’s always a pleasure to mix programming with something tactile and even more – with something musical. Check out my little experiment of building a browser game that helps learning notes on guitar. Guitar Bro in action. Try it out!
05 Mar 2017
Watching “ReactJS Basics” course the other day I’ve noticed that the further I go – the smaller number of pageviews for each lesson was. But is that “dropout rate” the same for all courses? Here is my little research.
26 Mar 2014
How to tune a guitar with Ruby and FFT
From time to time, when nobody sees me, I like to play the guitar and every time I face a challenge – how to tune it properly. And like in any other case Ruby comes to the rescue!
21 Jun 2012
Binary search with Ruby and TDD
If you have sorted array than you can search elements there easily with binary search. An interesting fact about binary search: only 10% of students are able to implement it correctly.
22 May 2012
Benchmarking with Ruby
A great technique to improve your code is using benchmarking – comparison between different solutions leads to faster and better code.