How to skip error in reactor? At the first glance, it looks like something trivial, but it could be that you spent a few hours to puzzle it out, and you’ve got no results. Today I will show simple it is.

Some time ago I had a really simple, but really tricky situation. I wanted to do some action before async pipe would subscribed given observable. In short - I’m going to show you how to run something just before observable subscription is created.

Would you like to put something “public” to the internet but not for Google ..? That might be the case sometimes. The simplest way is to block access to your resources by basic authentication, but sometimes that is not an option. Today I will show you how you can hide your site from popular search engines like Google and Bing.

Did you hear about continues integration and continues delivery? I hope you did. If you work in a company which has more than 20 software engineers - you should at least hear about those - if not, mhm I’m really excited to say something about that to you :) So - what are CI/CD and how make those in a right way? I’m going to describe both technics a little bit, and also I’m going to point out some annoying behaviour I often observe.

Sprite sheets images building for web solutions is an ancient technique, but web sites without any sprite sheet are ubiquitous. I think one of the reasons for that is missing knowledge about creating those. Today I would like to share with you how simple CSS sprite sheets may be.