Question: What is the difference between action and actionListener, and when should I use action versus actionListener? Best Answer: actionListener Use actionListener if you want have a hook before the real business action get executed, e.g. to log it, and/or ...
Question: With real examples and their use, can someone please help me understand: When do we need a Func<T, ..> delegate? When do we need an Action<T> delegate? When do we need a Predicate<T> delegate? Best Answer: The difference between ...
Question: hey i have a small time tracking programm and i got problems with me delete task for the Users. i got a usertasks class with several tasks. the Action goes to my DbController class. The DBController class is just ...
Question: I am trying to do search method in my_app. Code in my navbar.html is as below. It is not full code. The other buttons in the navbar work fine. These are not forms – just regular links. In my ...
Question: The action I want to trigger works on its own, the axis request works and it retrieves data from an api. However when I try to run it from the component using connect and then accessing it as a ...
Question: It is cumbersome to create a method for each object. Can’t it be used for each method of the same type by using only one action? this befor code Answer: listbox.Items.Add has the same signature as Action<object>, so the ...
Question: I’m currently looking for tricky interview snippets and I found two that I cannot explain. I merged them together so they can be run at the same time. Here is the code: The output is: Can anyone explain me ...
Question: I had a TextFormField, that executes a function when I press enter, for extra convenience (In addition to that function being executed when a button is pressed). When I made the TextFormField able to have multiple lines (so it ...
Question: I am having the following problem what you see in the image. I have a.js file which returns me an array of url strings. Then I should assign this array to an env variable as seen in the example ...