Tag Archives: Mini-Tutorial
Reactive Extensions–More About Chaining
Reactive Programming, Posting # 10 In the previous posting on Reactive Extensions, we created an application that calls on the Bing translation service to translate a phrase into Japanese, and then back into English. This allowed the introduction of the … Continue reading
Posted in Mini-Tutorial, Reactive
Tagged Mini-Tutorial, Reactive, Reactive Programming, ReactiveUI
3 Comments
Select Many: Reactive Extensions’ Mother Of All Operators [Chaining]
Reactive Programming, Posting # 9 Reactive Extensions (Rx) has a number of operators that we’ve looked at already, including Select, Throttle, Subscribe and so forth. While SelectMany is not the most important Rx operator, it is surely the most powerful. … Continue reading
Sterling DB on top of Isolated Storage – 2
Windows Phone From Scratch #39 In yesterday’s posting we looked at the Sterling Database. and how to set up and initialize tables, store an retrieve data. Today we’ll build on that to set up the database in App.xaml so … Continue reading
When Isolated Storage Isn’t Enough
Windows Phone From Scratch #38 When you wish to persist state across usages of your application, Isolated Storage allows you to write to the disk and stash away key-value pairs. For state, this is usually sufficient, but if what you … Continue reading
Posted in Patterns & Skills
Tagged Database, Isolated Storage, Mini-Tutorial, Windows Phone, WindowsPhone
5 Comments
Asynchronous Callbacks with Rx
Reactive Programming, Posting # 8 One of the tried and true patterns in .NET programming is to call an Asynchronous service (e.g., BeginGetResponse) and to then provide a callback to a second method for when the call completes. This can … Continue reading
Reactive Drag and Drop Part 2
Reactive Programming, Posting # 7 In Part 1 of this 2 part posting we looked at capturing the mouse movements. The key code in Part 1 was, var q = from start in mousedown from pos in mousemove.StartWith( start ) … Continue reading
Posted in Linq, Mini-Tutorial, Reactive, WindowsPhone
Tagged Mini-Tutorial, Windows Phone, WindowsPhone
2 Comments
Linq to XML
A LINQ Tutorial Earlier, we took a look at two variants on Linq statements, one against a collection of integers, and then another against a collection of user-defined objects (Customers). Now, we’ll read an XML file and select from that … Continue reading
Linq with Objects
A LINQ Tutorial In my earlier post, we took a first look at a Linq query against a collection of integers. In this posting, we’ll look at creating a Linq query against a collection of objects.
Getting Started With Linq
A LINQ Tutorial If you are serious about Windows Phone programming then it is imperative to become at least familiar with LINQ. This is given additional impetus by the emerging importance of Reactive Programming, a full understanding of which requires … Continue reading
Reactive Drag and Drop Part 1
Reactive Programming, Posting # 4 Continuing the discussion of Reactive Programming, this posting, based on a video from the Rx team, will create and annotate Drag and Drop using the Rx toolkit. In part 1 we’ll track mouse movements, in … Continue reading
Creating An Application Bar–Don’t Panic
Windows Phone From Scratch #31 The application bar sits at the bottom of your Windows Phone application and provides a set of hopefully not-too-cryptic icons, along with an ellipses (…) that pops open the menu and the text associated … Continue reading
Reactive Extensions–Observable Sequences are First Class Objects
Windows Phone From Scratch #28 In yesterdays’ posting on Asynchronous programming with Reactive Extensions I created a browser application that reacted to user input into a TextBox. You will remember that the observable was created from the TextChanged event as … Continue reading