On application monitoring In the Gamesys social team, our view on application monitoring is such that anything that runs in production needs to be monitored extensively all the time – every service entry point, IO operations or CPU intensive tasks. Sure, it comes at the cost of a few CPU cycles which might mean that …
In our MMORPG title Here Be Monsters, we offer the players a virtual world to explore where they can visit towns and spots; forage fruits and gather insects and flowers; tend to farms and animals in their homesteads; make in-game buddies and help each other out; craft new items using things they find in their …
Here Be Monsters – Message broker that links all things Read More »
Here at Gamesys social team, we’re rethinking our current approach to logging in general, from both server and client’s perspective. Having looked at many different alternatives (it was a little hard to imagine how crowded a space log aggregation and visualization is..) one of the services which we have decided to experiment with is Sentry. …
Announcing libraries for C# and F# to make it easier to integrate with Sentry Read More »
Suppose you want to merge an assembly A (AssemblyA.dll) with another assembly B (AssemblyB.dll) with ILMerge into a merged assembly (Merged.dll), and everything works fine until the user of your merged assembly also references that AssemblyB.dll, at which point that user will get Ambiguous reference errors for any reference to types defined in assembly B, …
Some time ago I put together a small BERT serializer and BERT-RPC client for .Net called Filbert (which is another name for Hazelnut, that has the word bert and the letter F and at the time every F# library has a leading F in its name!). As an experimental project admittedly I hadn’t given too …
Filbert v0.2.0 – performance improvement on decoding Read More »
I stumbled across this little gem the other day – websocketd – which turns anything that takes standard-in and standard-out into a websocket server! To build a dead simple echo server, follow these steps: follow the download instructions here (don’t forget to add it to your PATH) create a new console application in Visual Studio …
Echo websocket server using websocketd – as if by magic! Read More »
A couple of weeks earlier, Amazon announced support for Local Secondary Indexes (LSI) for DynamoDB. You can now perform fast, efficient queries against DynamoDB tables using attributes that are not part of the existing Hash and Range key model without resorting to the use of scans. As a result to the new feature the DynamoDB …
DynamoDB.SQL 1.2.1 – now supports Local Secondary Index Read More »
.Net 4 introduced the Lazy<T> type which allows you to create an object that can be lazily initialized so that you can delay the creation of large objects, for instance. However, if your initialization logic has the potential to except at runtime (e.g. time out exceptions reading from some external data source) then you should …
Be Lazy, but be ware of initialization exception Read More »
After a long Easter holiday filled with late night coding sessions I find myself wide awake at 2am… good job I’ve still got my pluralsight subscription and a quick look at the Algorithms and Data Structures course again at least gave me something to do to relax the mind with some back-to-school style implementation of …
I talked about the XML and JSON serialization of F# types in a previous post, and since then F# 3.0 has been released and a new [CLIMutable] was quietly added amidst the hype surrounding the awesome type providers! CLIMutable Attribute When applied to a F# record type, the CLIMutable attribute tells the F# compiler …
F# – XmlSerializer, Record types and [CLIMutable] Read More »
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