global3 | An scaffold of a videoconference social network | Application Framework library
kandi X-RAY | global3 Summary
kandi X-RAY | global3 Summary
Rails is a web-application framework that includes everything needed to create database-backed web applications according to the Model-View-Control pattern. This pattern splits the view (also called the presentation) into "dumb" templates that are primarily responsible for inserting pre-built data in between HTML tags. The model contains the "smart" domain objects (such as Account, Product, Person, Post) that holds all the business logic and knows how to persist themselves to a database. The controller handles the incoming requests (such as Save New Account, Update Product, Show Post) by manipulating the model and directing data to the view. In Rails, the model is handled by what’s called an object-relational mapping layer entitled Active Record. This layer allows you to present the data from database rows as objects and embellish these data objects with business logic methods. You can read more about Active Record in link:files/vendor/rails/activerecord/README.html. The controller and view are handled by the Action Pack, which handles both layers by its two parts: Action View and Action Controller. These two layers are bundled in a single package due to their heavy interdependence. This is unlike the relationship between the Active Record and Action Pack that is much more separate. Each of these packages can be used independently outside of Rails. You can read more about Action Pack in link:files/vendor/rails/actionpack/README.html.
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Community Discussions
Trending Discussions on global3
QUESTION
I have a hash table generated at runtime, populated by global variables.
...ANSWER
Answered 2021-Apr-29 at 23:47Don't do that.
If you use a smart pointer, then ensure that smart pointer 'owns' that memory from the outset. C++ is fond of the RAII concept.
I think you want a unique_ptr
- https://en.cppreference.com/w/cpp/memory/unique_ptr
That is, just a smart point to ensure the memory is deleted.
In general, always use smart pointers over raw pointers. This makes ownership clearer. But you're allowed to expose it as a raw pointer (*A) when you need to. But let the smart pointer clean it up.
QUESTION
I have two tables :
the first one called categories with 3 columns "administrators,id,name".
...ANSWER
Answered 2019-Nov-13 at 16:48I think you want:
QUESTION
Expanding on change color actionButton Shiny R, I wrote a script that I'm hoping to abstract and simplify:
I want to have multiple actionButtons and switch their color depending on which button is chosen, then record the selected option.
Desired Output ...ANSWER
Answered 2019-Nov-09 at 21:56An option, using radioGroupButtons
in the shinyWidgets
package:
QUESTION
I have a the following in mysite/code/Page.php:
...ANSWER
Answered 2017-Aug-12 at 20:50You could create a subclass of ContentController
that can serve as the base-class for both of your controllers. Eg. you create a MyController extends ContentController
and then PlayController
and Page_Controller
extend MyController
.
Or you could just require all the files in both controllers… if that's too much redundancy, you could also use the config API for this. Here's an example:
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Install global3
At the command prompt, start a new Rails application using the <tt>rails</tt> command and your application name. Ex: rails myapp
Change directory into myapp and start the web server: <tt>rails server</tt> (run with --help for options)
Go to http://localhost:3000/ and get "Welcome aboard: You’re riding the Rails!"
Follow the guidelines to start developing your application
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