Windows

Shadow Copies on XP, robocopy, PowerShell v2

May 1, 2012 · 3 min read

[I forgot to post this draft back in April 2010. Needless to say I no longer utilize the technique nor can really help now that it's purged from my memory]

I've cobbled together a poor-man's backup solution using PowerShell and robocopy in what I thought was a somewhat resilient solution. Robocopy turned out to be a poor choice based upon my needs and nitpicks but I wanted to outline why to save myself and others a little pain.

Strike 1

This URL describes the bug and relative fix: http://superuser.com/questions/48303/access-denied-error-with-robocopy-as-admin. While using /ZB and /B helps it wasn't solving the problem because the relevant ACLs weren't being created even as late as Windows 7.

ListBox, ScrollIntoView and ObservableCollection vs. ICollectionView

February 14, 2011 · 1 min read

I almost struggled with a somewhat SEO-friendly title for this but considering I've had at least one request for an explanation, I thought I'd try to post my thoughts in a blog format. The twitter shotgun of a couple of 140 character posts wasn't enough to really convey what was happening.

To set the scene a little bit, I'm making a IRC client for WP7 and one of the core requirements (to me) is "automatically scroll to bottom on output". To achieve this, the ScrollIntoView() method for certain controls like ListBox, ListView, or DataGrid is absolutely crucial. I use MVVMLight and subscribe to an approach of triggering the code-behind from the ViewModel usually through a property update. In this case I chose binding the ListBox's SelectedItem and wired up the SelectionChanged event with code that basically said "when your selection changes, scroll to that since I'm pretty su ...

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