For our web application I need to save the order of the fetched and displayed items depending on the view – or to be precise – the controller and action that generated the view (and the user id of course, but that’s not the point here). Instead of just giving an identifier myself in each … Read more
I want to create a picture chooser from gallery. I use code intent = new Intent(Intent.ACTION_PICK, android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI); startActivityForResult(intent, TFRequestCodes.GALLERY); My problem is that in this activity and video files are displayed. Is there a way to filter displayed files so that no video files will be displayed in this activity? 18 Answers 18
Sometimes, when using <h:commandLink>, <h:commandButton> or <f:ajax>, the action, actionListener or listener method associated with the tag are simply not being invoked. Or, the bean properties are not updated with submitted UIInput values. What are the possible causes and solutions for this? 12 Answers 12
What is the difference between action and actionListener, and when should I use action versus actionListener? 4 Answers 4
This question already has answers here: Delegates: Predicate vs. Action vs. Func (8 answers) Closed 7 years ago. 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? 3 s 3
