All Posts
(25 article)
A New Watch, A New Gadget: When Excitement Becomes an Excuse, Not Motivation
Where does the motivation really come from? It's about my preparation process for the Kaçkar Ultra 50K, my unconventional training program, and the relationship between running and our consumption habits.

Higher-Order Functions in Kotlin: Cleaner Android Code Without Duplication
Learn how to use high-order functions in Kotlin for Android development. Discover the power of functional programming and how to avoid code duplication.

How to Implement a ‘Git Submodule Library’ in an Android Project? (2026)
Learn how to create and integrate a Git Submodule library into your Android projects for efficient code management.

Self-Discipline, Part 2: Staying Disciplined Through Months of Ultra Training
Discover how I tackled ultra races with strategic training, self-discipline, and the lessons learned along the way.

Indoor Navigation with Wi-Fi Signals: How We Built a Mall Wayfinding App
Technical details of our graduation project that used Wi-Fi signals to navigate a shopping mall, the challenges we faced, and our brilliant solutions.

ChatGPT Cited in 3 Days: A Generative Engine Optimization (GEO-AEO) Case Study
Launched a web site on Saturday; by Wednesday ChatGPT was citing it. An honest GEO case study: SSR, structured data, llms.txt, Bing, and what didn't work.

How Our Graduation Project Won Best Project of the Year
Discover how our university graduation project became the best of the term and get valuable tips for your own project success.

5 Ways “Just Playing Games” Made Me a Better Person
Games are not just fun. Sometimes, they teach you patience, empathy, leadership, and even make you face your conscience. In this article, I’ll talk about lessons that come from keyboards and consoles, but stay with us in real life.

Self-Discipline
Explore how rigorous training, goal-setting, and camaraderie fueled my 63km race success and personal growth.

Publishing an iOS App with Capacitor, Vue.js and Quasar: Every Error I Hit
A practical guide to publishing an iOS App with Vue.js and Quasar — covering real bugs, fixes, and the full App Store submission process for frontend devs.

From Android to Quasar and Vue.js: What an 8-Year Kotlin Developer Learned
An Android & Kotlin developer's burnout confession after 8 years: from building ING's banking app to cross-platform development with Vue.js & Quasar Framework.

A Principal Who Made a Difference 2: Class That Blooms in the Snow
In the village he reached on foot in the freezing cold of Sivas, a principal who made a difference has a passion for teaching began to blossom within him.

The Golden Ratio in UI Design: Why 1.618 Makes Interfaces Feel Right
A hidden math formula behind the apps you love: how 1.618 makes your UI look better — even if your users can’t explain why. Its about the Golden Ratio

Dagger Hilt Too Late: The Dependency Injection Lesson That Cost Us a Refactor
How did the DI(Dagger Hilt) decision I postponed because it was a small one cause me trouble in a project that turned into a monster with three endpoints?

Building a Document-Based Legal AI (RAG) That Can Say “I Don’t Know”
It only answers from my own legal documents. When it does not know, it just says so. And it puts the source under every line. Here is how I did it, and what I learned on the way.

A Principal Who Made a Difference, Part 3: Cliffs, Partridges and a Sivas Winter
Memories of teaching in a remote Sivas village: pur cliffs, partridge calls, harsh winters, and a reunion years later. The Principal Who Made a Difference tells

Vibe Coding, Reviewed by a Developer With 10 Years of Experience
A veteran developer’s first encounter with vibe coding, who even said “it got too easy” when switching from Java to Kotlin.

Is Discipline Really Necessary for Success? What the Research Says
Is success possible without discipline? What does science say? How do successful but disorganized people reach the top? Discover the truth!

A Principal Who Made a Difference: My Dad’s Leadership Journey
Unforgettable memories and leadership lessons from a school principal with 35 years of experience.

My Sci-Fi Madness #1: Dune, and What It Gets Wrong
Explore Frank Herbert's Dune in detail, including its themes, characters, and my personal views. Join me in this deep dive into a sci-fi classic.

Sleep In and Still Get to Work on Time: 10 Lazy Morning Hacks
Ten lazy ways to wake up late and still leave the house on time. Move your morning routine to the night before and sleep in 20 to 30 minutes longer.

Why I Run: Freedom, Health and Inner Peace
Discover the exhilarating sense of freedom, mental clarity, and the importance of community. In this heartfelt piece, explore the impacts of running.

The T-Shirt Crowd Misses You, Haluk Levent
Relive two unforgettable Haluk Levent concerts, featuring rain-soaked rock, legendary performances, and the heartfelt memories that made these nights extraordinary.
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