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WPF - How to force a Command to re-evaluate 'CanExecute' via its CommandBindings
I have a Menu where each MenuItem in the hierarchy has its Command property set to a RoutedCommand I've defined. The associated CommandBinding provides a callback for the evaluation of CanExecute which controls the enabled state of each MenuItem .
...
What approaches are available to dummy design-time data in WPF?
... of:
Adding the namespace declaration
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
Adding the mock data context to window/control resources
<UserControl.Resources>
<ViewModels:MockXViewModel x:Key="DesignViewModel"/>
</UserControl.Resources>
Setting design-t...
What is the correct way to restore a deleted file from SVN?
...to repository>
So an example:
svn merge -c -12345 https://svn.mysite.com/svn/repo/project/trunk
^ The negative is important
For TortoiseSVN (I think...)
Right click in Explorer, go to TortoiseSVN -> Merge...
Make sure "Merge a range of revisions" is selected, click Next
In ...
Static method in a generic class?
...
if you will look how generic class/methods looks after compilation, you will see that generic attribute is removed. And List<Integer> after compilation looks like "List". So there's no different between List<Integer> and List<Long> after compilation - both becam...
What are “first class” objects?
...res
having an intrinsic identity (independent of any given name)
being comparable for equality with other entities
being passable as a parameter to a procedure/function
being returnable as the result of a procedure/function
being constructible at runtime
being printable
being readable
...
What's Pros and Cons: putting javascript in head and putting just before the body close
...TTP/1.1 specification suggests that
browsers download no more than two
components in parallel per hostname.
If you serve your images from multiple
hostnames, you can get more than two
downloads to occur in parallel. While
a script is downloading, however, the
browser won't start any ot...
Why Large Object Heap and why do we care?
...A garbage collection doesn't just get rid of unreferenced objects, it also compacts the heap. That's a very important optimization. It doesn't just make memory usage more efficient (no unused holes), it makes the CPU cache much more efficient. The cache is a really big deal on modern processors, ...