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Access parent DataContext from DataTemplate
I have a ListBox which binds to a child collection on a ViewModel. The listbox items are styled in a datatemplate based on a property on the parent ViewModel:
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Change Twitter Bootstrap Tooltip content on click
...ave a tooltip on an anchor element, that sends an AJAX request on click. This element has a tooltip (from Twitter Bootstrap). I want the tooltip content to change when the AJAX request returns successfully. How can I manipulate the tooltip after initiation?
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Cannot convert lambda expression to type 'string' because it is not a delegate type [duplicate]
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I think you are missing using System.Linq; from this system class.
and also add using System.Data.Entity; to the code
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How to append text to an existing file in Java?
I need to append text repeatedly to an existing file in Java. How do I do that?
31 Answers
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Get generic type of java.util.List
....Field;
import java.lang.reflect.ParameterizedType;
import java.util.ArrayList;
import java.util.List;
public class Test {
List<String> stringList = new ArrayList<String>();
List<Integer> integerList = new ArrayList<Integer>();
public static void main(String......
How do you add an array to another array in Ruby and not end up with a multi-dimensional result?
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You've got a workable idea, but the #flatten! is in the wrong place -- it flattens its receiver, so you could use it to turn [1, 2, ['foo', 'bar']] into [1,2,'foo','bar'].
I'm doubtless forgetting some approaches, but you can concatenate:
a1.concat a2
a1 + a2 ...
How to start new activity on button click
...n, how do you start a new activity (GUI) when a button in another activity is clicked, and how do you pass data between these two activities?
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Can I set an opacity only to the background image of a div?
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Nope, this cannot be done since opacity affects the whole element including its content and there's no way to alter this behavior. You can work around this with the two following methods.
Secondary div
Add another div element to th...
What's the difference between fill_parent and wrap_content?
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Either attribute can be applied to View's (visual control) horizontal or vertical size. It's used to set a View or Layouts size based on either it's contents or the size of it's parent layout rather than explicitly specifying a dimension.
fill_parent (deprecated and r...
How to Join to first row
...ers.OrderID
) LineItems2
Please note that TOP 1 without ORDER BY is not deterministic: this query you will get you one line item per order, but it is not defined which one will it be.
Multiple invocations of the query can give you different line items for the same order, even if the under...