Calculate in a notebook and share — from everyday math to engineering.
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Which is more popular?
Based on our record, JSFiddle
seems to be a lot more popular than Stackless Python.
While we know about 205 links to JSFiddle,
we've tracked only 3 mentions of Stackless Python.
social mentions
205 vs 3
Text Editors popularity
100% vs 0%
alternatives listed
240+ vs 5
Base details
Website, pricing, platforms and company facts side by side.
Easy Sharing and Collaboration JSFiddle allows users to share and collaborate on code snippets effortlessly by generating unique URLs for each project.
Real-Time Editing Changes made to HTML, CSS, and JavaScript are displayed in real-time, providing instant feedback and streamlining the development process.
Supports Multiple Frameworks JSFiddle supports various JavaScript frameworks and libraries such as jQuery, Vue.js, and React, allowing developers to experiment with different technologies.
Embed Feature Users can embed their fiddles directly into websites or blogs, enabling easy demonstration of code and concepts.
Version Control JSFiddle offers version control, allowing users to save different versions of their code and revert to previous versions if needed.
Possible disadvantages
Limited Backend Support JSFiddle is primarily focused on frontend development and does not provide robust backend development capabilities.
Performance Issues With complex or resource-intensive projects, JSFiddle can experience performance lag, impacting the user experience.
Basic IDE Features Compared to full-fledged Integrated Development Environments (IDEs), JSFiddle lacks advanced features such as code linting, debugging tools, and extensive plugins.
File Management JSFiddle does not offer comprehensive file management, making it challenging to work on larger projects with multiple files.
Dependency Management Managing dependencies can be cumbersome, as JSFiddle does not provide built-in tools to handle package management seamlessly.
Efficient Concurrency Stackless Python provides microthreads, also known as tasklets, which offer efficient concurrency by allowing multiple tasks to run in a single thread without the overhead of traditional threading.
Simplified Code The microthreading model can lead to simplified code when compared to multithreading, as it avoids the complexities associated with locks and synchronization primitives.
Improved Performance Due to the avoidance of context switching between OS-level threads, Stackless Python can achieve improved performance for I/O-bound applications.
Flexibility Stackless Python allows developers to pause and resume functions at almost any point, providing great flexibility for creating advanced flow control mechanisms.
Low Memory Footprint Tasklets in Stackless Python are lightweight, leading to a lower memory footprint compared to traditional threading models.
Possible disadvantages
Compatibility Stackless Python may face compatibility issues with certain Python libraries and extensions that are not designed to work with its microthreading model.
Limited Community and Support Stackless Python has a smaller user base compared to standard Python, which can result in limited community support and fewer resources for learning and troubleshooting.
Platform Limitations Some platforms may not fully support or benefit from Stackless Python's features due to differences in underlying system architectures.
Debugging Challenges Debugging can be more challenging in Stackless Python due to its non-standard execution model, requiring developers to understand its unique flow control mechanisms.
Maintenance and Updates Since Stackless Python diverges from the standard Python implementation, it may lag in adopting new features and updates present in the latest Python releases.
Analysis
An editorial look at what each product does well and who it suits.
JSFiddleStackless Python
Overall verdict
JSFiddle is a highly useful and reliable tool for web developers looking for a quick and easy way to test and share code snippets. Its ease of use and collaborative features make it a popular choice in the developer community.
Why this product is good
JSFiddle is widely used for testing and showcasing user-created HTML, CSS, and JavaScript code.
It provides a simple interface to quickly collaborate and share code snippets.
Real-time collaboration features make it easier to work with others.
Supports various JavaScript frameworks and extensions, enhancing flexibility.
Allows saving and managing public or private code snippets for future reference.
Recommended for
Web developers needing a fast way to prototype and demonstrate web functionality.
Educators and students in fields related to web development and programming.
Teams looking for an online collaborative platform for frontend code examples.
Individuals wanting to share code examples with others or ask for debugging help.
Overall verdict
Stackless Python is a solid, mature alternative Python implementation that excels at massive concurrency through lightweight microthreads (tasklets), making it a good choice for specific concurrent and cooperative multitasking workloads, though its niche status means smaller community support compared to CPython.
Why this product is good
Provides tasklets (microthreads) that allow hundreds of thousands of concurrent tasks with very low memory overhead
Offers channels for clean, safe communication and synchronization between tasklets without traditional locking headaches
Supports cooperative and preemptive scheduling, giving developers fine-grained control over concurrency
Enables serialization (pickling) of running tasklets, which is powerful for saving and migrating program state
Proven in production at scale, most famously powering the MMO game EVE Online
Largely maintains compatibility with standard CPython code and libraries
Recommended for
Developers building highly concurrent applications requiring massive numbers of lightweight threads
Game servers and simulations needing efficient cooperative multitasking (like EVE Online's use case)
Projects that benefit from tasklet serialization for state migration or persistence
Systems programmers exploring alternatives to threads or async frameworks for concurrency
Users comfortable working with a specialized Python distribution outside the mainstream CPython ecosystem
What is missing from JSFiddle is live previews. You have to basically refresh the page by clicking on the play button. And compared to other playgrounds, JSFiddle is probably the slowest. Another slightly frustrating...
Recommendations tracked on public social media and blogs since March 2021.
JSFiddle205 mentionsStackless Python3 mentions
JavaScript: Turn Invoice Dates Into Due-Date Reminders With Three Small Functions (Net 30, Days Left, OVERDUE)
This is the code from my free lesson. You can run all of it in JSFiddle (no account needed).
- Source: dev.to
/
10 days ago
CodePen 2.0
Https://jsfiddle.net/ used to be also very popular, I see that it is still available, but haven't used it in a while. Which other alternatives do people use now days?
- Source: Hacker News
/
3 months ago
Coding is like learning a new language—you must practice by writing code, not just reading about it. Use free online editors like CodePen, JSFiddle, or Replit to experiment.
- Source: dev.to
/
over 1 year ago
Client uses a ton of Python too, mind you they have a very special interpreter. https://github.com/stackless-dev/stackless/wiki/.
- Source: Hacker News
/
about 4 years ago
How does Go "know" when a goroutine hits IO and can switch to another goroutine? Why don't other languages like Javascript/Python do this?
For the sake of “well, actually” completionism, this is possible in Python with stackless or the gevent library and some hacks, but when Guido and pals backed the standard awful way of doing async in commercial languages (async/await and...
Source:
about 4 years ago
How to Choose the Right Python Concurrency API
Is stackless still an alternative? (It used to be quite hot 1.5 decade ago) https://github.com/stackless-dev/stackless/wiki/.
- Source: Hacker News
/
about 4 years ago
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When comparing JSFiddle and Stackless Python, you can also consider the following products.
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