what is the difference between peek and keep in mvc?
438174
temdata uses TempDataDictionary where every data read, will be marked as available for deletion, keep() and peek() both are used to retain data, the only difference is, keep() will be used to retain data that has been marked for deletion (Read and Keep), whereas peek() will be used where you want to read data without ...
57067
First difference is − in case of keep; both the datasets are available in QlikView's memory while in join the load statements produce only one data set from which you have to choose the columns. The second difference being − there is no concept of outer keep where as we have outer join available in case of joins.
180622
Junior developers often get confused between the include and the forward methods of the RequestDispatcher. The key difference between the two is the fact that the forward method will close the output stream after it has been invoked, whereas the include method leaves the output stream open.
1261711
KVO should be used to observe changes in property for an object. Delegates should be used when there are lots of callbacks and only one object is desired to be notified. Delegates are objects that acts as another program when an event fires.
658918
To pass the strongly-typed data from Controller to View using ViewData, we have to make a model class then populate its properties with some data and then pass that data to ViewData dictionary as Value and selecting Key's name is the programmer's choice.
869816
The biggest difference is that oList. Where(e => e.Name == "John") is type of IEnumerable<Employee>, but oList. Find(e => e.Name == "John") is a type of Employee.
1457318
Copy - Declared properties use retain by default (so you can simply omit it altogether) and will manage the object's reference count automatically whether another object is assigned to the property or it's set to nil; Use copy to automatically send the newly-assigned object a -copy message (which will create a copy of ...
861221
The difference is that detach deletes database metadata from SQL Server i.e. database file information, status information and all the other details that we see in sys. databases view. On the other hand taking database offline retains database metadata in SQL server system views.
295258
The other way of passing the data from Controller to View can be by passing an object of the model class to the View. Erase the code of ViewData and pass the object of model class in return view. Import the binding object of model class at the top of Index View and access the properties by @Model.
1310510
The difference is that execute simply starts the task without any further ado, whereas submit returns a Future object to manage the task. You can do the following things with the Future object: Cancel the task prematurely, with the cancel method.
1093131
Both operations are used to implement changes in the persistence context, in the case of persist operation, it is used to insert a new entity into the context and there must not be another entity with the same ID, otherwise an exception will be thrown (EntityExistsException), the merge operation is used to insert an ...
1150303
NET, ViewData allows you to store key-value pairs. ViewData requires type casting for complex data type and it is recommended to check for null values to avoid error. ... ViewData is faster than ViewBag. ViewBag: ViewBag also helps to maintain data when you move from controller to view.
1180198
Unlike the MVC method, the ViewModel isn't a controller. ... Whereas the MVC format is specifically designed to create a separation of concerns between the model and view, the MVVM format with data-binding is designed specifically to allow the view and model to communicate directly with each other.
1265168
TextBox() is loosely typed method whereas @Html. TextBoxFor() is a strongly typed (generic) method. TextBox() requires property name as string parameter where as TextBoxFor() requires lambda expression as a parameter. TextBox doesn't give you compile time error if you have specified wrong property name.
1313473
['Model - Model represents an object or JAVA POJO carrying data. It can also have logic to update controller if its data changes.', 'View - View represents the visualization of the data that model contains.', 'Controller - Controller acts on both model and view.']
949798
The difference between Keep and Retain. When used as verbs, keep means to continue in (a course or mode of action), whereas retain means to keep in possession or use. ... Keep as a verb: To continue in (a course or mode of action); not to intermit or fall from; to uphold or maintain.
895776
Use CC: Only in Special Cases Everybody will see the addresses included there. The main difference is intent. In most cases you'll use the CC: option when you want to keep someone in the loop but no action is required AND all parties know the address.