http://blog.errorok.com A library of useless knowledge Wed, 28 Dec 2011 19:31:15 +0000 http://backend.userland.com/rss092 en This has been on my mind for a while and I am hoping that my writing here can maybe change some minds or at least persuade some additional action on the part of law enforcement, legislators, the entertainment industry, and the taxi industry. Recently, our province enacted Bill 26, which dropped ... http://blog.errorok.com/2011/12/28/248/ I have been working pretty heavily in LINQ the past few days and ran into a few problems when dealing with some more complicated queries. While LINQ is fairly simple and intuitive when working with objects in memory, the LINQ-SQL bridge (or SQLite in my case) is a different ... http://blog.errorok.com/2011/12/01/243/ I ran into a small problem today, i had 'n' arrays of correlated data. I wanted to effectively "transpose" the rows into columns so that i would end up with the same number of arrays but containing the items of the same index of all arrays. to simplify that ... http://blog.errorok.com/2011/08/22/237/ I got fed up with watching mtgoxlive.com all day long so I wrote a simple web service to monitor the Mt. Gox prices for me. Then I wrote a simple engine to send out email alerts when the price (or volume) goes above or below a specified threshold. The ... http://blog.errorok.com/2011/07/21/234/ The title should probably be enough, but in case it isn't I am talking about multiple grids in a single view that need to share row size or column size. A good example of this would be if you wanted to split grid rows up into groups, then apply ... http://blog.errorok.com/2011/01/25/230/ This is an issue that I just ran into and was a little confused as to why it was happening, but upon thinking about it for a moment it makes perfect sense. When you are creating your DP's, you have the option of specifying a default (initial) value. The problem ... http://blog.errorok.com/2010/12/16/228/ Ever wanted to return an anonymous type from a method or property, but then find out you can't use it because there is no valid return type?  Well I have, and I will explain how to get around this issue. The solution as you may have guessed is to use dynamic ... http://blog.errorok.com/2010/12/13/208/ The title is a bit of a mouthful, so here is the quick synopsis.  We have one to many controls that drive a single view.  Each control implements the same interface, something that provides the view with its context.  That way regardless of what control is used, the single view ... http://blog.errorok.com/2010/12/13/223/ The Problem We have a list of editable items (maybe displayed in a list view), and we have an item editor that can edit a single item.  We want to make our editor handle multiple items in a similar fashion that the visual studio property grid functions.  That is to say ... http://blog.errorok.com/2010/11/12/220/ If you have ever wanted to do any data binding on the columns defined within a wpf data grid, you have probably quickly realized that it is not possible.  The reason why your data bindings don't work is because the DataGrid.Columns property is attached, and therefore not part of the ... http://blog.errorok.com/2010/09/09/212/