Amazon’s DynamoDB is a wonderful product – scalable, durable, fast, with predictable latency numbers unlike SimpleDB. However, the only gripe I have with DynamoDB is that there is no built-in support for a query language, which makes life rather difficult when you want to perform a query or a scan against the data you have …
DynamoDb.SQL – a SQL-like external DSL for Amazon DynamoDB Read More »
In general, when you see async void in your code it’s bad news, because: you can’t wait for its completion (as mentioned in this post already) any unhandled exceptions will terminate your process (ouch!) Suppose you have a timer event that fires every once in a while and you want to do some asynchronous …
With the official release of .Net 4.5 and Visual Studio 2012, I suspect many .Net developers will be rushing to rewrite their data access or network layers (amongst many many other things!) to take advantage of the new async-await (see the excellent 101 examples here) language feature in C#, which means you’ll likely be working …
F# – helper functions to convert between Async<unit> and Task Read More »
In Erlang, we have the Supervisor behaviour which makes it very easy to provide the means to monitor and restart a whole network of workers and other supervisors based on some configured strategy. The MailboxProcessor (aka agents) in F# doesn’t come with the same higher-level abstractions (such as Erlang’s gen_server, gen_fsm behaviours) by default, but …
This is my list of takeaways from a very good talk by Theo Schlossnagle on things you should be thinking about when designing a system for large scale. I hope you enjoy the talk as much as I did, it certainly leaves plenty of food for thought and personally it is encouraging to see that …
Takeaways from Theo Schloss’s talk on Scalable Internet Architecture Read More »
Actor model will change the way you think about computation and parallelism. Hear from the mouth of the Carl Hewitt, the creator of the actor model.
Another Thursday had gone by and yet another slot has been added to JackpotJoy Slots, this time it’s a grizzly themed 50-line slot called Bear Cubs! The main slots game is pretty straight forward, albeit being 50-lines instead of the typical 25, where things really become interesting is the bonus feature. When you land 3, …
In F# you can write an extension method like this: Whilst this will work perfectly fine in your F# code, the extension method will not be visible to any C# code using the FileInfo type because F# and C# compiles extension methods differently. To make C#-compatible extension methods in F#, here’s what you need to …
Hello! Just a quick note to mention that I will be speaking about Aspect Oriented Programming at next Saturday’s DDD10 in Reading, some great sessions in the line up this year, hope to see you there
We’ve been busy at work the last couple of weeks and I’m proud to tell you that we have some nice improvements to JackpotJoy Slots including two new slots as well as a revamp of the tournament feature! Spellbound Forest Spellbound Forest is a fantasy-themed All Pays slots where matching symbols on adjacent lines (or …
Spellbound Forest and New Slots Tournament features! Read More »
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