Author: Sergey Kargopolov

With this blog post, I would like to share with you how to send Silent Push Notification using CURL or Postman HTTP client via Firebase Cloud Messaging and how to receive silent push messages in your mobile app built with Swift. Silent push messages when received by your mobile app are not displayed to user…

Read More Silent Remote Notifications with Swift and Firebase

This year was a record for me in the amount of programming tutorials I read and published and I feel so grateful that I have this opportunity to learn and share. I feel like I want to give back to the world more and since it is a Christmas and a New Year time and…

Read More Winter Holiday Give Away – A Video Course of Your Choice

Hi! With this short blog post I wanted to share with you three more very useful Xcode Tips and Trips from a collection recorded by Dee Aliyu Odumosu. The entire collection of 80+ Xcode tips can be found here and if you have not come across it earlier then I encourage you to do so. It…

Read More Xcode Tips and Tricks. Refactoring and Debugging.

With this video tutorial I would like to share with you how to fix the “this class is not key value coding-compliant for the key” error message. Apparently this error message is one of the most common for developers learning to work with Xcode and building their first mobile app user interfaces. It happens when…

Read More How to Fix the “Class is not key value coding-compliant for the key” Error