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Connecting My LangGraph AI Agent to Postgres
Tech Optimizer
September 2, 2026

Connecting My LangGraph AI Agent to Postgres

A stateful LangGraph agent was developed to streamline a 15-minute booking process, mimicking a customer service representative. It features a user-friendly Streamlit UI and a backend powered by a Postgres database. The agent can respond to customer queries, calculate service prices, manage acceptance or rejection of services, propose appointment time slots, and confirm booking details. The agent operates in two persistence modes: in-memory for quick testing and Postgres for durability. Testing can be conducted locally with Streamlit or using Docker to simulate a production environment. Docker allows the application to interact with a PostgreSQL server without local installation, enhancing reproducibility. The project includes a docker-compose.yml file to initiate a PostgreSQL container, and users can also utilize a cloud-based Postgres solution. The application behavior remains consistent regardless of the database setup. The complete source code is available on GitHub for testing and further enhancements.
New ClickFix campaign can deploy powerful multi-stage malware directly through Windows Terminal and PowerShell
Winsage
September 1, 2026

New ClickFix campaign can deploy powerful multi-stage malware directly through Windows Terminal and PowerShell

Security researchers at Microsoft have identified a campaign named "TerminalFix" that exploits compromised websites to trick users into installing a backdoor. Users visiting these sites encounter a deceptive overlay prompting them to complete a fake Cloudflare CAPTCHA, which requires executing a malicious PowerShell command. This leads victims to inadvertently sideload dynamic link libraries (DLLs) and deploy a Python implant that creates encrypted reverse tunnels, allowing attackers to access internal networks.
silver Android smartphone
Tech Optimizer
September 1, 2026

Connecting My LangGraph AI Agent to Postgres

A stateful LangGraph agent was developed to streamline a 15-minute booking process, featuring a user-friendly Streamlit UI and a backend powered by a Postgres database. The agent responds to customer queries, calculates service pricing, manages service acceptance, suggests time slots, and confirms appointment details. It operates in two modes: in-memory for rapid testing and Postgres for persistent storage. Testing can be done locally using Docker, which simulates a Postgres environment, or with a hosted Postgres instance. The project includes a docker-compose.yml file to initiate a PostgreSQL 16 container, allowing the application to connect to the database. Data persistence is ensured through Docker volumes, and the application can be run with specific commands after setting up the environment variables. The system has been tested successfully, demonstrating its ability to manage bookings and maintain data integrity across sessions. Future enhancements are planned to improve the booking workflow and integrate additional communication channels.
6 awesome things you can do with a terminal emulator on Android
AppWizard
August 29, 2026

6 awesome things you can do with a terminal emulator on Android

Terminal emulators allow users to interact with operating systems through text commands. Termux is an open-source terminal emulator for Android available on the F-Droid store. Users can test internet speed directly from Termux by installing Python and using the speedtest command. Weather information can be accessed using the curl command for a three-day forecast, and users can create shortcuts for convenience. Termux can display system information using colorful ASCII art with tools like fastfetch or macchina. It allows remote access to the phone via SSH after installing openssh. Users can run AI chatbots locally using the command-line tool Ollama. Termux can also facilitate the installation of Linux-based operating systems on Android devices using the proot-distro tool.
This DIY Halo console runs games from physical cartridges
AppWizard
August 18, 2026

This DIY Halo console runs games from physical cartridges

The creator has designed a new case that features a cartridge pocket with an eject button, allowing for easy cartridge release while maintaining compatibility with existing cartridges. The device operates with a chip at 45W TDP, has a well-engineered airflow system, and is made from carbon-fiber-reinforced PETG with decorative olive-green panels and orange buttons. The logos are laser-engraved with unique Easter eggs. The console uses distinct firmware on an ESP32 microcontroller to transmit cartridge IDs to a mini PC, launching games seamlessly. An external USB cable is required for the ESP32 connection to the mini PC, which will be addressed in a future version. The case files are available for free on Printables.
5 Easy Ways to Install Python on Windows
Winsage
August 12, 2026

5 Easy Ways to Install Python on Windows

Installing Python has become more user-friendly, allowing installation on Windows, Linux, and macOS with simple commands. 1. Python Install Manager: Available via the Microsoft Store, it allows users to manage installations from PowerShell. To install, search for Python Install Manager in the Microsoft Store and run PLACEHOLDER4e979dce7860e252 to check the installation. For explicit installations, use PLACEHOLDER0eeddca4a1021d92 or specify a version like py install 3.14. 2. WinGet: A command-line tool for Windows Package Manager that enables installation from the terminal. Use PLACEHOLDER17cbf64bbdc226c5 to install Python and verify with PLACEHOLDER710d6197b454a541. 3. uv: A modern package manager that installs Python versions and manages virtual environments. Install it using the command PLACEHOLDERe2ebbf4877927de2 and then use PLACEHOLDERd5ce82eeb891b087 for the latest version or uv python install 3.14 for a specific version. 4. Miniconda: A lightweight alternative for managing packages and environments, particularly in data science. Download the Miniconda installer, check the Conda version with PLACEHOLDERee2f8e325b0fd186, create an environment with PLACEHOLDERe030ebd8e75a94c8, and activate it with py install0. 5. Python.org Installer: The traditional method involves downloading the installer from Python.org. After installation, verify with PLACEHOLDER385f0117bffc41e2 and use pip for package installations with PLACEHOLDER4d165d7f4e323fa1. This method may be phased out in future releases. For beginners, the Python Install Manager is recommended, while experienced users may prefer uv for its comprehensive features.
I played DOOM inside MS Paint on Windows 11 by hijacking the clipboard, and it's shockingly good
Winsage
August 5, 2026

I played DOOM inside MS Paint on Windows 11 by hijacking the clipboard, and it’s shockingly good

Mark Russinovich, the Chief Technology Officer of Microsoft Azure, has created a project called DoomPaint, which allows the classic game DOOM to be displayed within Microsoft Paint. The game operates through the ViZDoom engine, rendering frames headlessly and transferring them to Paint via the Windows clipboard. DoomPaint features full keyboard controls, sound effects, and a MIDI soundtrack, maintaining a frame rate of around 35 FPS. To run DoomPaint, users need to download the project from GitHub, ensure Python is installed, extract the folder, and run a batch file, which sets up a virtual environment and opens Microsoft Paint for gameplay. The default controls include movement with W/S or arrow keys, turning with A/D or arrow keys, strafing with Q/E, firing with Ctrl/F, and other functions assigned to different keys. The project uses the shareware DOOM1.WAD for the initial episode and additional maps from Freedoom due to licensing restrictions. DoomPaint differs from previous attempts to integrate DOOM into Paint by using Paint’s canvas as the sole display for the game. The clipboard race condition was addressed by allowing the application to own the clipboard as a reference-counted OLE data object. Sound effects come from ViZDoom through OpenAL, and music is played using a separate module that loops through the Windows MIDI sequencer. Russinovich utilized Claude Fable 5 for this project, demonstrating how AI tools can enhance software development.
DOOM runs inside Paint on Windows, built by a Microsoft executive: "The spreadsheet-tier framerate is part of the charm."
Winsage
August 4, 2026

DOOM runs inside Paint on Windows, built by a Microsoft executive: “The spreadsheet-tier framerate is part of the charm.”

Mark Russinovich, the Chief Technology Officer for Microsoft Azure, has created a project called DoomPaint that allows the classic 1993 game DOOM to run within Microsoft Paint. The application works by placing each game frame on the Windows clipboard and pasting it into Paint, which acts as a display medium rather than a game engine. Users need to install Python to run DoomPaint, and there is also a demonstration video available. The project involves contributions from entities like Anthropic's Claude and Microsoft's GitHub Copilot. DoomPaint features working sound and music, but it is primarily a visual trick rather than a complete game engine conversion. To enhance the experience, players need a legitimate copy of DOOM's internal ".WAD" file.
Star Wars will also be coming to D&D, and I'm worried Hasbro's trying to turn a TTRPG into Magic: The Gathering again
AppWizard
August 2, 2026

Star Wars will also be coming to D&D, and I’m worried Hasbro’s trying to turn a TTRPG into Magic: The Gathering again

Dungeons & Dragons announced a crossover with World of Warcraft and hinted at a Star Wars crossover set to debut in 2027 as part of a themed event titled "Season of Rebellion." The initiative, called D&D Universes Beyond, aims to enhance the D&D experience and is inspired by successful monetization strategies from Magic: The Gathering. Upcoming projects include the return of settings like Dragonlance and Greyhawk, with original co-creators involved, and the return of the character Drizzt and the Dark Sun setting.
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