What has happened?

I wrote this almost a year ago the day before my last day at Microsoft. You should really head over to my new blog to see what has been happening since then.

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When to use Tuples in C#

I’ve seen people use the Tuple class in C# code and I’ve even done it myself once. And I didn’t like it. I’m still struggling to see find a case where using a Tuple would actually be a good idea versus the alternatives. Read more here.

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Tail Recursion and C#

Tail recursion is a powerful optimization since it typically improves both execution time and memory usage for recursive calls. It can also be your enemy if you forget about it. Read more here.

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Logical task combinators

When I had to use Erlang for the very first time it was a brand new language and I was in collage. Back then Erlang did not have a logical not function so we had to define our own in order to make our code readable. At least given the knowledge me and my lab…

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Hashtable vs ConcurrentDictionary

Historically I’ve seen the Hashtable be favored over ConcurrentDictionary with the assumption that is was more efficient allowing for lock free reads. Well they both allow lock free reads so which one is really the better option? Read more here!

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Circuit Breaker Pattern

Start here to learn more about different ways to implement the circuit breaker pattern!

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Lunch Dictator or Tweeting from PHP

A while back I needed a way to simply post tweets from PHP. To my disappointment most examples I found were about reading tweets or required a bunch of PHP modules I did not have the opportunity to use on the server where the script was going to run. So I had to do some…

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429 vs 503

A while back I was involved in a discussion around using 429 instead of 503 in order to tell clients they should back off a little. And there are some good arguments for both. Here are my thoughts. Read more here.

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Abstracting time

Probably one of the most common tight couplings I see is a dependency on system time, i.e. using DateTime.Now or DateTime.UtcNow directly in your code without any abstraction around it. A tight coupling that typically leads to very complex and fragile tests when trying to ad test coverage. Read more here.

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Xbox One Launch Day

So what is it like to launch Xbox One? Given that it started 3am local time when New Zeeland first launched it has been an interesting and long day. Read more here.

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