New·9 min read
Sabattier: A Batch Photo Editor with On-Device AI
Sabattier is a batch photo editor for Windows and macOS. It has auto enhance, masks, portrait retouching, background removal and AI upscaling. All of these run on your computer.
Lead AI Engineer · Writing since 2016
Hi, I'm Sina. I build and train AI systems.
Lead AI Engineer. I write about reinforcement learning, transformers, multi-agent systems, and the tools I build along the way.
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·8 min·Programming
Mullion FileMan: A Dual-Pane File Manager and a Set of Folder Tools
Mullion FileMan is a C++17 dual-pane terminal file manager. It has twenty folder_* CLI tools that compare and sync folders, and an MCP server for AI agents.
·6 min·Programming
Redthread: Portable, Git-Backed Memory for AI Coding Agents
Redthread keeps the memory of AI coding agents in a git repo and makes it available over MCP. Claude Code and other agents keep their context on all your machines.
·3 min·Deep RL with Unity 3/3
DDPG on Reacher: Twenty Arms Chasing a Balloon
DDPG completes the Unity Reacher task. Twenty robot arms use one shared replay buffer. This post shows the actor-critic setup and why the training was easier than Tennis.
·3 min·Deep RL with Unity 2/3
Two DDPG Agents Learning to Play Tennis
Two DDPG agents learn to play tennis in the Unity Tennis environment. This post shows the continuous actions, the shared sparse rewards, the methods that did not work and the settings that completed the task.
·2 min·Deep RL with Unity 1/3
Training a DQN Agent to Collect Bananas in Unity
A DQN agent learns to collect bananas in the Unity Banana Collector environment. This post shows the Q-network, the replay buffer, the target network settings and the result (+13 over 100 episodes).
·2 min·Learn SSH 3/3
Learn SSH: Config File
Use the ~/.ssh/config file to connect to servers by name, with identity files, multiple hosts, ProxyJump through a jump server, and wildcard patterns.
Read in order
Series
Multi-part guides that build on each other, start to finish.
Deep RL with Unity
3 parts- 01Training a DQN Agent to Collect Bananas in Unity
- 02Two DDPG Agents Learning to Play Tennis
- 03DDPG on Reacher: Twenty Arms Chasing a Balloon
Learn SSH
3 partsLAPACK on macOS
2 partsMS SQL on macOS
2 partsFrom the archive
All 16 posts by year →- Learn SSH: CLI Commands2 min
- Install the Latest Python on CentOS, Rocky Linux and RHEL4 min
- Learn SSH: Introduction to SSH on Unix-Based Systems2 min
- How to Install LAPACK on Mac OS1 min
- Write a Solver for Systems of Equations Using LAPACK on Mac OS4 min
- What Is My Gateway Address?2 min
- Asymmetric Static Routing Network Using Ubuntu Machines2 min
- MS SQL on macOS: Connect to Your Database Using Python3 min
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