Why widget-centric web frameworks aren't that popular? [closed] - web

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I'm talking about frameworks like Vaadin (Java), Wt (C++), Reahl (Python), Agile Toolkit (PHP) and etc. In my opinion these frameworks are much easier to code in (you code in one single language without the need to know JavaScript, HTML and CSS) and to understand (the usual GUI development approach based on widgets is much simpler for a noob to understand than MVC or MVVM). Why aren't these frameworks as popular as mainstream ones? Btw is there any of this kind of frameworks that I missed? For example I haven't seen one for Ruby, Go or other commonly used web development languages.

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What are the benefits of building react app with (NodeJs) over (Without Nodejs)? [closed]

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What are the benefits of building react app with (NodeJs) over (Without Nodejs) ?
Thanks in advance
There are several advantages with using nodejs assuming you are referring to using nodejs to work with bundlers like webpack etc.
faster development with features like webpack devserver.
modern language constructs. with the kind of plugin ecosystem we are free to use modern language constructs without worrying about browser support. It may be true to some extent for embedding babel and other scripts but not very easy to manage after a stage
helpful in writing unit tests. as the testing config can share most of the development configurations.
features like instrumentation for code coverage can be easily done with minimal configurations
lot of processes can be automated. ex: localization etc.
A lot of things becomes easy and maintainable

What programming language should you consider to learn if you want to create music apps and music development [closed]

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What programming language for sound programming
Well there isn't really one magical language to use for making music applications. Assuming you are talking about the back-end, that could vary. For example Spotify's back-end is mostly composed of Python, but there is some Java and C++ on a few servers. iTunes is mainly written in C++, while google music's core is Python.

"How to build a chatbot with anuglar and node.js"? [closed]

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I am a newbie, I would like to know is it possible to build our own chatbot with angular and node.js? or What are all the information and technologies do i need to know to build my own customized chatbot?
To begin with you must know how does it actually work, i have written one in C# Chatbot using c# that can give you a basic idea, but proficiency in Javascript is must before you dig deep into these things.
Once you understand it you can go/learn the Artificial Intelligence Markup Language which is implemented on ALICE bot. There is also a new offering from Microsoft called Microsoft Bot Framework which can also be used with node.js.

Do I need to minify my js file if i am doing winjs development? [closed]

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Is it possible for someone to look at the javascript code of a winjs app? Is it recommended to minify the js code for a winjs application? any other best practices?
I found this link but it did not help much. It refers to a sticky post. I looked at the sticky posts but they appeared to be unrelated.
Minification is just one strategy you can employ, depending on your needs. I wrote about this and other options on my blog: http://www.kraigbrockschmidt.com/2013/04/04/protecting-your-code/.
While in development use the unminified file so it easier to debug, on production it is recommended to use the minified file, and also as the sticky post said You can also protect your more sensitive algorithms and business logic from reverse engineering by putting them on a server and not in your app.

Is it recommended to build a forum using node.js? [closed]

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I've heard that node.js is really fast for applications like chats and real time apps.
I was wondering if node is a good choice to develop a forum or a q&a site like StackOverflow?
Yes it's perfectly possible, you don't have to implement your own web server like somebody said, you can just create it using something like Express (as a framework) and Mongoose (as a MongoDB ORM) or whatever you choose.
I think Node.js is a good solution for such a case because of its high concurrency (and Stack Overflow is a site where thousands of users are online in the same time probably). So yes you can achieve this with PHP, Ruby and Python etc, but I believe Node.js is a better fit (that's my opinion, based on the success stories I've heard which were based on Node).
Node isn't just a solution for building small services, here are some good examples ( https://nodejs.org/en/blog/uncategorized/an-easy-way-to-build-scalable-network-programs/ ).

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