Back in 2010, when I started studying computer science, the very first thing that I have asked myself was: who is responsible for protecting my data? This was a start of a new journey for me. On the one hand, I was learning a lot of new things, such as…

In 2019 I wrote about a MySQL 5.7 migration at Check24. While it is very exciting when working on new features, it is also a good thing to think about the architecture and use modern frameworks and libraries. …

Geçen yazımda WhatsApp’ın yeni sözleşmesin ve uçtan uca şifreleme metodunu nasıl kullandığını anlatmıştım. Bu yazıda (uçtan uca) şifreleme konusunu derinleştirip, mesajlarımızı nasıl koruduğunu anlatmaya çalışacağım. Şifreleme metodları Kavram olarak “end to end” (kısa: e2e) ya da Türkçe’siyle “uçtan uca” şifreleme metodu geçtiğimiz yıllarda öne çıktı. Özellikle 2013’de “Snowden belgeleri”iyle birlikte popüler online…

Popüler mesajlaşma uygulaması WhatsApp, geçtiğimiz hafta içinde kullanıcılarına Facebook şirketi ile bilgi paylaşacağını, bunun yapılabilmesi için de kullanıcıların onayının gerektiğini, aksi takdirde uygulamanın kullanılamaz hale geleceğini bildirdi. Açıklamada; WhatsApp, bağlı olduğu Facebook ve Facebook’a bağlı diğer şirketlerle bilgi paylaşacağını, bunun WhatsApp ve diğer Facebook ürünlerinin “güvenlik ve bütünlüğünü sağlayabilmek için”…

When starting Keestash back in late 2018, I was focused on the PHP backend and how things might work “out of the box”. The frontend needed just some click handlers here and there and thus, jQuery was the choice. Now, about two years later, things have changed a bit. The…

During the Covid-19 pandemic I decided to set up a server at home for different use cases. The server, that I very creatively called server1, should be a central place to build a file archive, a git server (an alternative for GitHub projects not intended for the web), a testing…

One thing I like at my current employer Check24 is the variety in topics and the trust in me to master them. This motivates me to take my work very serious, but also gives me a lot of responsibility since our products represent Germany’s biggest platform for comparing almost everything. …

Last year, I announced PHPAlgorithms. Since then, I worked a lot on this repository as part of my personal learning progress on Algorithms and Datastructures. Now, I am proud to announce that we have reached our first milestone – version 1.0.0. …

The beginning of this week was a little bit more action packed than planned. After a couple of weeks of coding and intensive testing (seriously!), I was of the opinion that the feature is production ready and could be deployed. But well, shit happens when you least expect it. PHP Stacktrace As…