I have heard a few people argue that when it comes to performance critical code you should prefer arrays over other collections (such as F#’s lists) as it benefits from sequential reads (which is faster than seeks) and offers better memory locality. To test that theory somewhat, I wanted to see if there is any …
F# – Speed test iter and map operations with array vs list Read More »
I’m proud to announce that we have released another new slot – Wealthy Whale – to JackpotJoy Slots, it is also the first All Pays slots we have implemented on our F# slots engine! In an All Pays slot, there are no ‘pay lines’, instead, any matching symbol (or Wild symbol) that appears on adjacent …
I gave a talk about Aspect Oriented Programming at this year’s DDD South West, the slides is available on SlideShare: Introduction to Aspect Oriented Programming (DDD South West 4.0) View more PowerPoint from Yan Cui The source code I used can be found here. A big thank you to the guys for making DDD …
After a long day I’m proud to say that we have release two new slots that run on our F# slots engine – BATTLESHIP Jackpot Command on Lucky Gem Casino and CELESTIAL SIMIANS on JackpotJoy Slots. BATTLESHIP Jackpot Command is a 50-line slot with progressive wins and some pretty unique features. The DEATH CHARGES …
BATTLESHIP Jackpot Command and Celestial Simians are live! Read More »
To find out if a string contains a piece of substring, here are three simple ways of going about it in C#, just to name a few: String.Contains String.IndexOf where the return value is >= 0 Regex.IsMatch Out of curiosity I wanted to see if there was any noticeable difference in the performance of each …
Performance Test – String.Contains vs String.IndexOf vs Regex.IsMatch Read More »
Problem A. Speaking in Tongues The problem is here. Problem B. Dancing with the Googlers The problem is here. Problem C. Recycled Numbers The problem is here. Enjoy!
Our brand new slots ‘Monopoly House Party’ is now live on Lucky Gem Casino! Great work by everyone involved at GameSys, the artwork is quite stunning and it’s quite easily the best looking slots game I’ve seen. You can collect houses, railroads, electric and water works during the main game and use them in the …
I found out about Google CodeJam the other day, and looking at their info page, there’s a number of interesting problems you can solve as practice for the real thing coming up, and here are my F# solutions to the qualification round questions from the 2010 event, enjoy Problem A. Store Credit The outline …
F# solutions to Google CodeJam 2010 Qualification Round Problems Read More »
Again, I’d like to thank Igal Tabachnik and SharpCrafters for inviting me to do the webinar, the recording of the session is now available on their Vimeo channel. Pseudo Real Time Performance Monitoring with AOP and AWS CloudWatch from SharpCrafters on Vimeo. Performance Monitoring with AOP and Amazon CloudWatch View more PowerPoint from Yan …
To find the answer to this question I put together a very simple test, but before we go into it.. Disclaimer: this test and its result should be taken at face value only, it is intended to illustrate that posting messages to an agent is super lightweight, but in a real world application there will …
F# – How many messages can you post to a F# agent in one second? Read More »
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