On-Screen Ruler VS Lua

• Ease of Use
  On-Screen Ruler is intuitive and simple to use, allowing users to quickly measure objects on their computer screen without the need for physical tools.
• Customization
  The tool offers customization options such as changing the unit of measurement, color, and transparency, which allows users to tailor the ruler to their needs.
• Accessibility
  Being a digital tool, it is easily accessible to anyone with a computer, eliminating the need to carry around a physical ruler.
• Cost
  As a free tool, On-Screen Ruler provides a cost-effective solution for users who need to measure screen objects regularly.

Possible disadvantages

• Limited Functionality
  Compared to advanced graphic design or measurement software, On-Screen Ruler may lack some features that professionals might need.
• Screen-Only Measurement
  This tool is limited to measuring objects on a screen, which may not be useful for physical object measurement tasks.
• Compatibility Issues
  There might be compatibility issues with certain operating systems or specific software environments, potentially hindering its use.
• Accuracy
  The accuracy of the measurements can be impacted by the screen resolution and calibration, possibly leading to less precise results.

• Easy to Embed
  Lua is designed to be embedded within applications. It has a simple C API which allows it to be integrated easily with C, C++ and other languages.
• Small Footprint
  Lua is lightweight, with a small memory footprint. This makes it ideal for use in resource-constrained environments, such as embedded systems and game development.
• Fast Performance
  Lua is known for its high performance due to its efficient interpreter and just-in-time compilation capabilities provided by LuaJIT.
• Simplicity
  The syntax of Lua is simple and clean, making it easy to learn and use. It's designed to be both powerful and simple.
• Extensibility
  Lua can be extended through libraries written in C or other languages, allowing for a lot of flexibility and functionality expansion.
• Dynamic Typing
  Lua uses dynamic typing, which can make code more flexible and easier to write without the need for explicit type definitions.

Possible disadvantages

• Limited Standard Library
  The standard library in Lua is relatively small compared to other programming languages, which can result in the need for additional third-party libraries.
• Niche Use Case
  Lua is not as widely adopted for general-purpose programming compared to other languages such as Python or JavaScript, which might limit community support and resources.
• Error Handling
  Lua's error handling mechanisms are somewhat rudimentary compared to languages that offer advanced exception handling like Python or Java.
• Lack of Type Safety
  While dynamic typing offers flexibility, it also introduces the risk of type errors at runtime, as type mismatches can only be discovered during execution.
• Concurrency Limitations
  Lua does not have inherent support for multithreading or concurrency within the language itself. It relies on external libraries or specific environments to handle such tasks.

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Tracking On-Screen Ruler since Mar 2021.

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  I would start at https://lua.org/ I'm creating a set of libraries to make Lua into a (still lightweight) application language https://github.com/civboot/civlua. - Source: Hacker News / over 2 years ago

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