I am happy to post my second code lesson in YouTube. This is the second part of my “Java tutorial” series of video lessons for absolute beginners: My plan for the next few weeks is to create an publish a tutorial of 10-15 free Java video lessons, which lay the foundation of programming in Java

I am happy to announce that I am starting a free video tutorial for beginners in Java programming today: This is a hand-on free training, with a plenty of practical coding exercises, which you solve and send for automated online grading. Try it! You learn coding by coding. Learn by doing: this is my proven

I am very happy to announce that SoftUni is now global. We are building a global learn-to-code community, which provides a free mentorship help for code learners, along with weekly code lessons with hands-on exercises, video tutorials, events for developers and other free learning resources. Come and join for free, learn coding, get help from

I share my thoughts about the programming language trends for 2021, the rankings for 2020 (based on LinkedIn Jobs, GitHub, StackOverflow, Google Trends and others), which will be the most popular languages in 2021, and which languages and platforms are worth learning. My conclusion is that in 2021 the top 5 mainstream programming languages will

Today I was a speaker at a local conference, where I demonstrated how weak is the typical security in Android devices, how 10-years old schoolboy can hijack a mobile device (after getting a physical access) and control it remotely and why users should care about their devices: what they install, how they protect the screen

I was invited speaker at the Sofia Science Festival (May 2019). My talk was about cryptography, but for non-technical people, absolute beginners, without any math or programming background. Slides: Cryptography for Absolute Beginners These are my presentation slides about hash functions, MAC codes, key derivation functions, symmetric encryption and AES, asymmetric encryption and ECIES, digital

Today I was speaker at the jProfessionals conference in Sofia. My talk was about cryptography in Java: Hashes, MAC, Key Derivation, Encrypting Passwords, Symmetric Ciphers & AES, Digital Signatures & ECDSA. I explained the concepts of Java Cryptography Architecture (JCA) and the most popular Java crypto libraries like Bouncy Castle. Video: Java Cryptography for Devs

Today I had a nice talk about the upcoming decentralized cloud platforms, which will provide decentralized computing, along with decentralized storage, decentralized databases, decentralized messaging and many other services. Video (English) – Decentralized Cloud Slides – Decentralized Cloud