interaction

I've just started with MVVM and I have been reading up on it and doing some examples. I've managed to create an application that will read from the database and then populate into a listbox. I am having difficulty in trying to link up the selected item into another view and then do a bit of processing in that views viewModel. Please can somebody explain to me the correct way to get the currently selected item from view1 listbox and then on view2 label just to output the selected item? Here is my XAML: <local:SecondView Margin="499,30,0,20"> <local:SecondView.DataContext> <v:MainViewModel /> <

The project is based on Eye Tracker. Let me brief the idea behind the project to understand my problem better. I have the hardware of Tobii C eye tracker. This eye tracker will be able to give out coordinates of the X, Y of where I am looking at. But this device is very sensitive. When I look at 1 point, the eye tracker will send out many different data of coordinates but within ± 100 range which I found out. Even though you are staring at 1 point, your eyes keep moving, therefore giving out many data. This many data (float numbers) are then saved in a text file. Now I only need 1 data (X

I am currently working in unity to make a few games. I am using C#. I am usually happy with the code in my game and i know how to make it 'elegant', so to speak. I am very good at coding individual elements (Say, the spaceship in Asteroids). But I am only happy with my code until I get to the point where one object needs to interact with another. It becomes a spaghetti of code after that point and i ALWAYS drop the project.. I have yet to find a graceful way of handling things. I believe I have asked in various places around the internet, but I seem to keep coming back to this. Is there any

I would like to invoke a command using EventTrigger when a particular key is touched (for example, the spacebar key) Currently I have: <i:Interaction.Triggers> <i:EventTrigger EventName="KeyDown"> <i:InvokeCommandAction Command="{Binding DoCommand}" CommandParameter="{BindingText}"/> </i:EventTrigger> </i:Interaction.Triggers> Now how can I specify that this should occur only when the KeyDown occurs with the spacebar? You would have to build a custom Trigger to handle that: public class SpaceKeyDownEventTrigger : EventTrigger { public SpaceKeyDownEventTrigger() : base("KeyDown") { } protected

My question involves writing code using the dplyr package in R I have a relatively large dataframe (approx 5 million rows) with 2 columns: the first with an individual identifier ( id ), and a second with a date ( date ). At present, each row indicates the occurrence of an action (taken by the individual in the id column) on the date in the date column. There are about 300,000 unique individuals, and about 2600 unique dates. For example, the beginning of the data look like this: id date John12 2006-08-03 Tom2993 2008-10-11 Lisa825 2009-07-03 Tom2993 2008-06-12 Andrew13 2007-09-11 I'd like to

A simple question I hope. I have an experimental design where I measure some response (let's say blood pressure) from two groups: a control group and an affected group, where both are given three treatments: t1, t2, t3. The data are not paired in any sense. Here is an example data: set.seed(1) df <- data.frame(response = c(rnorm(5,10,1),rnorm(5,10,1),rnorm(5,10,1), rnorm(5,7,1),rnorm(5,5,1),rnorm(5,10,1)), group = as.factor(c(rep("control",15),rep("affected",15))), treatment = as.factor(rep(c(rep("t1",5),rep("t2",5),rep("t3",5)),2))) What I am interested in is quantifying the effect that each

I have a python application which I cant edit its a black box from my point of view. The python application knows how to process text and return processed text. I have another application written in Java which knows how to collect non processed texts. Current state, the python app works in batch mode every x minutes. I want to make the python processing part of the process: Java app collects text and request the python app to process and return processed text as part of a flow. What do you think is the simplest solution for this? Thanks, Rod Look into Jython - you can run Python programs