Programming Techniques

Python

• AI agents with LangGraph: A working example
• Enforced Tkinter-validating with JSON
• Free-standing message box, popup, & Tkinter tricks
• Turn a time-zone string into local time: Python
• PyScript in HTML: A working example

C/C++ with Python, Java, C#

• Python directly calls C functions Linux
• Python directly calls C functions
• Java directly calls C functions
• C# directly calls C functions
• Use C++ to code Py-method for Python

Software Engineering

• AI agents vs traditional apps: A quick comparison
• Will software developers be replaced by LLM-AI?
• Can Python outperform C++?
• Python parallel entanglement: A C++ solution
• Does free threading solve parallel entanglement?
• Implementing C++ reusable mathematical procedures

My FREE Apps for You

Dev Apps

• Edit markdown files in a browser [Click & bookmark]
• View markdown files via a browser [Click & bookmark]
• Test HTML files on your own Windows PC

Dev Know-how

• Self-sign certificate on Windows11: A working guide
• Use GitHub as a free web server
• Link free frii.site domain to GitHub pages

Office Apps

• Manage your life events
• Merge docx and/or pdf files into one pdf
• Share your folder on LAN via a browser

FUN Apps

• Take a long screenshot of a multiple-page webpage
• Convert Gregorian date to/from Chinese lunar date

Rocket Finance

• A C++ convertible bond pricing App