Tag | List Posts
The .NET Base Class Library (BCL) has a wide array of collection classes at your disposal which make it easy to manage collections of objects. While it's great to have so many classes available, it can be daunting to choose the right collection to use for any given situation. As hard as it may be, choosing the right collection can be absolutely key to the performance and maintainability of your application! This post will look at breaking down any confusion between each collection and the situations ...
Sorry for the long blogging hiatus. First it was, of course, the holidays hustle and bustle, then my brother and his wife gave birth to their son, so I’ve been away from my blogging for two weeks. Background: Finding an item’s index in List<T> is easy… Many times in our day to day programming activities, we want to find the index of an item in a collection. Now, if we have a List<T> and we’re looking for the item itself this is trivial: 1: // assume have a list of ints: 2: var list = ...
When I updated the ‘Filter Criteria’ of a fully functioning DVWP through SharePoint designer I was presented with the following error: The server returned a non-specific error when trying to get data from the data source. Check the format and content of your query and try again. If the problem persists, contact the server administrator. Took me a while to figure it out. This is what caused it and how to fix it: When you create a DWVP, SPDesigner adds a parameter called ListID and assigns it the GUID ...
I ran into some rather interesting numbers while trying to optimize my Connect Four implementation. Try to guess what this code will print out: let test= let stop1 = Stopwatch.StartNew() let list = [1..1000000] let bla = list |> List.fold (fun state x -> state + x) 0 stop1.Stop() let stop2 = Stopwatch.StartNew() let seq = seq{1..1000000} |> Seq.fold (fun state x -> state + x) 0 stop2.Stop() let stop3 = Stopwatch.StartNew() let arr = [|1..1000000|] let arr1 = arr|> Array.fold (fun state ...