Ask HN: Why Node.js and for which type of App?

Re:Ask HN: Why Node.js and for which type of App? by arsalanb on Saturday July 04, 2015 @10:55AM (#9830318)

Reading all the comments here makes me wonder — Can Python (say, Flask) not be used for real-time communication (SocketIO, etc..) ? What is the difference between that and node.js ?

I am still figuring out a lot of things about Python, and this is something I found very intriguing. What would the differences between an IM app written in Python using Flask and it's nodeJS clone be, to a user?

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Re:Ask HN: Why Node.js and for which type of App? by rithi on Saturday July 04, 2015 @11:17AM (#9830393)

It could be [1]. IMO, it sounds more like something slapped on top of Flask. You will find similar packages for Django, Pyramid and so on. Tornado feels natural in this sense as it aims to be asynchronous right off the bat.

See also, aiohttp [2] which seems very promising (Python 3.3+). As an aside, I've never seriously considered Python 3 till now after taking a look at aiohttp.

[1] https://flask-socketio.readthedocs.org/en/latest/ [2] http://aiohttp.readthedocs.org/en/stable/web.html

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Re:Ask HN: Why Node.js and for which type of App? by fleitz on Saturday July 04, 2015 @11:26AM (#9830421)

Yes python can, no flask can't.

https://github.com/eventmachine/eventmachine/wiki/EM-vs-Twis...

http://community.eveonline.com/news/dev-blogs/stackless-pyth...

Node.js is one of the few webservers built ground up async.

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Re:Ask HN: Why Node.js and for which type of App? by ph0o on Saturday July 04, 2015 @11:06AM (#9830357)

good question!

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