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While I see the relevance of "web" in the phrase "web stack," I'm left wondering what "stack" refers to in this context.
It refers to the components or technologies/languages/operating sytems/etc used to build a web site. For instance the "LAMP" stack is: Linux, Apache, MySQL, PHP
"Stack" is slang used by programmers trying desperately to make the set of tools they use sound cool.
Stack is because the components pile up on top of each other
Your Application Presentation
Your Application Controls
Your Application Models
HTTP Server (Apache, IIS, etc.)
Database
Operating System
It's not strictly a stack (not like the OSI protocol stack). But it's approximately a stack.
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Closed 6 years ago.
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I'm new to docker. I just installed it and I have a question about this , it could be duplicated but I can't found a solution by searching all the forums.
Why it's better to use juste one service (apache, PHP, Mysql...) inside one container?
Because the whole point of Docker is to encapsulate a service within a single image, that you then clone to make instances of. You can clone multiple instances and trivially scale out an application - but it's rare that you need to clone every element of the application like that. It's much more useful to be able to widen your web tier, or your database tier separately.
But the major reason is - a container is an instance of an image. If you update your application, you need to build a new image. It's considerably more useful to be able to rebuild and restart subcomponents of the application, for all the reasons it's a nuisance to have to update your server to 'update'.
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I already have a fair bit of experience making rails applications, but I have never really tried to make an application with the use of a microphone. I don’t need to have video call, only voice, but I would want to control how many people could connect to a single call. Also I would like it to not have to do with actual phone numbers, but have a completely separate service like skype. Any help would be appreciated, Thanks!
This is not a trivial rails app, but just from googling I found Adhearsion
Check it out: http://www.adhearsion.com/
Adhearsion is a full-featured framework for the development of
applications which interact with or control voice communications.
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I am new to Grails and in the Grails website I found the following sentence.
Grails is an Open Source, full stack, web application framework for the JVM.
What is full stack web application framework? How Grails vary from Struts?
Thanks
Normally when you build applications you need some functionalities:
Database managment (ORM)
Presentation (User Interface)
Service Layer
Configuration
You can build your application using one API/Framework for each area.
The full stack means that Grails will provide you functionality to all those areas so you don't need to look for a set of frameworks, just use one.
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I am curious how it works inside a web framework. how to develop with Ruby, I wonder what is the basic need to develop a web framework with ruby
The ability to respond to HTTP requests.
A 70-line, simplistic (but threaded, with some content type handling) server:
http://blogs.msdn.com/b/abhinaba/archive/2005/10/14/474841.aspx
Everything else is sugar. The ability to easily map URLs to handlers is an implementation detail. Getting data to the view layer (assuming the view layer isn't just Ruby, a la Markaby) is an implementation detail.
Everything you see in Rails, Sinatra, etc. are implementation details designed specifically to make developing apps easier, normalized, consistent, etc.
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I want to block the particular website from access to user. Is there is any API to block the website on blackberry.
Or is there is any way by which i can get the notification that which website is opened.
thanks in advance
This is possible if you are device is using BES. I'm sure that it would have to be controlled by an IT Policy in the BES. A single, standalone application should not be able to simply take control such access controls.
I don't know much about how BES works, but my understanding is that if you have administrative access to the BES infrastructure, you can institute "IT Policies" that can control pretty much everything about the devices that operate with your infrastructure.