James Michael Hare

...hare-brained ideas from the realm of software development...
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Welcome to my blog! I'm a Sr. Software Development Engineer in Seattle, WA. I've been doing C++/C#/Java development for over 18 years, but have definitely learned that there is always more to learn!

All thoughts and opinions expressed in my blog and my comments are my own and do not represent the thoughts of my employer.

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There are 10 entries for the tag BlackRabbitCoder
C#/.NET Little Wonders: The ConcurrentDictionary
Once again we consider some of the lesser known classes and keywords of C#. In this series of posts, we will discuss how the concurrent collections have been developed to help alleviate these multi-threading concerns. Last week’s post began with a general introduction and discussed the ConcurrentStack<T> and ConcurrentQueue<T>. Today's post discusses the ConcurrentDictionary<T> (originally I had intended to discuss ConcurrentBag this week as well, but ConcurrentDictionary had enough ......

Posted On Thursday, February 17, 2011 6:00 PM | Comments (17) | Filed Under [ My Blog C# Software ]

C#/.NET Little Wonders: The ConcurrentStack and ConcurrentQueue
Once again we consider some of the lesser known classes and keywords of C#. In the next few weeks, we will discuss the concurrent collections and how they have changed the face of concurrent programming. This week’s post will begin with a general introduction and discuss the ConcurrentStack<T> and ConcurrentQueue<T>. Then in the following post we’ll discuss the ConcurrentDictionary<T> and ConcurrentBag<T>. Finally, we shall close on the third post with a discussion of the ......

Posted On Thursday, February 10, 2011 7:30 PM | Comments (3) | Filed Under [ My Blog C# Software ]

C#/.NET Little Wonders: The Useful But Overlooked Sets
Once again we consider some of the lesser known classes and keywords of C#. Today we will be looking at two set implementations in the System.Collections.Generic namespace: HashSet<T> and SortedSet<T>. Even though most people think of sets as mathematical constructs, they are actually very useful classes that can be used to help make your application more performant if used appropriately. For more of the "Little Wonders" posts, see the index here. A Background From Math In mathematical ......

Posted On Thursday, February 3, 2011 6:23 PM | Comments (13) | Filed Under [ My Blog C# Software ]

C#/.NET Little Pitfalls: The Dangers of Casting Boxed Values
Starting a new series to parallel the Little Wonders series. In this series, I will examine some of the small pitfalls that can occasionally trip up developers. Introduction: Of Casts and Conversions What happens when we try to assign from an int and a double and vice-versa? 1: double pi = 3.14; 2: int theAnswer = 42; 3: 4: // implicit widening conversion, compiles! 5: double doubleAnswer = theAnswer; 6: 7: // implicit narrowing conversion, compiler error! 8: int intPi = pi; As you can see from the ......

Posted On Thursday, January 27, 2011 7:30 PM | Comments (1) | Filed Under [ My Blog C# Software ]

C#/.NET Little Wonders: Constraining Generics with Where Clause
Back when I was primarily a C++ developer, I loved C++ templates. The power of writing very reusable generic classes brought the art of programming to a brand new level. Unfortunately, when .NET 1.0 came about, they didn’t have a template equivalent. With .NET 2.0 however, we finally got generics, which once again let us spread our wings and program more generically in the world of .NET However, C# generics behave in some ways very differently from their C++ template cousins. There is a handy clause, ......

Posted On Thursday, January 13, 2011 6:29 PM | Comments (0) | Filed Under [ My Blog C# Software ]

C#/.NET Fundamentals: Finding an Item’s Index in IEnumerable<T>
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 = ......

Posted On Thursday, January 6, 2011 7:29 PM | Comments (2) | Filed Under [ My Blog C# Software ]

C#/.NET Little Wonders: Fun With Enum Methods
Once again lets dive into the Little Wonders of .NET, those small things in the .NET languages and BCL classes that make development easier by increasing readability, maintainability, and/or performance. So probably every one of us has used an enumerated type at one time or another in a C# program. The enumerated types we create are a great way to represent that a value can be one of a set of discrete values (or a combination of those values in the case of bit flags). But the power of enum types ......

Posted On Thursday, December 9, 2010 5:50 PM | Comments (5) | Filed Under [ My Blog C# Software ]

C#/.NET Little Wonders: DateTime is Packed with Goodies
Once again lets dive into the Little Wonders of .NET, those small things in the .NET languages and BCL classes that make development easier by increasing readability, maintainability, or performance. Today I’m going to focus a bit on the System.DateTime. This nice little value type (struct) has been in the BCL since the beginning, and while being broadly used to represent an instance of a date and time, there are many great properties, methods, and operators in this class that perhaps folks are less ......

Posted On Thursday, November 18, 2010 6:45 PM | Comments (8) | Filed Under [ My Blog C# Software ]

C#/.NET Little Wonders: ToDictionary() and ToList()
The Little Wonders series received so much positive response I decided to make it a recurring theme in my blog as new ones popped in my head. There are two simple, yet great, LINQ extension methods you may or may not know about, but that can really simplify the task of converting collection queries into collections: ToDictionary() and ToList(). Introduction: LINQ and Deferred Execution Depending on your knowledge of LINQ, you may be oblivious as to what many of these query expressions do behind the ......

Posted On Thursday, October 21, 2010 6:42 PM | Comments (29) | Filed Under [ My Blog C# Software ]

C# 5.0 and Beyond - My Wish List
I apologize in advance to those waiting for part 2 of the Windows Services post I did last week. I will have a follow-up post next week, this week at work has just been crazy and I haven’t had as much time to devote to the code examples as I’d like to polish it. So instead I thought I’d throw a quick post out on what I’d like to see in the future versions of C#. A lot of folks are posting things they would like to see in C# 5.0 and beyond. There’s a great list on Stack Overflow (here) and a great ......

Posted On Friday, October 1, 2010 10:15 AM | Comments (8) | Filed Under [ My Blog C# Software ]

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