Problem Triangle, square, pentagonal, hexagonal, heptagonal, and octagonal numbers are all figurate (polygonal) numbers and are generated by the following formulae: The ordered set of three 4-digit numbers: 8128, 2882, 8281, has three interesting properties. The set is cyclic, in that the last two digits of each number is the first two digits of the …
Bit Syntax in Erlang One of the often under-appreciated features of Erlang is its Bit Syntax for parsing and pattern matching binary data at a bit level. For instance, to pare TCP segments you can write something along the line of: The same capability can be applied to anything binary protocols, such as video encoding, …
F# – Imitating Erlang’s bit syntax for easier binary protocol implementation Read More »
It’s been a little while since I last spent time with Elm, and since Elm 0.13 was recently announced so what better time to get my Elm hat back on and see what’s new. There’s a new-look online debugger which looks prettier than before: but more important than that, is the new Elm Reactor command …
Elm – building a version of Snake in under 100 lines of code Read More »
DISCLAIMER : as always, you should benchmark against your payload and use case, the benchmark numbers I have produced here is unlikely to be representative of your use cases and neither is anybody else’s benchmark numbers. You can use the simple test harness I created and see these example code to benchmark against your particular …
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 …
The monster trapping mechanics in Here Be Monsters is fairly straight forward: Monsters have a type and a set of stats – Strength, Speed and IQ They have a rarity value which determines the likelihood of an encounter They have a set of baits they like, which can increase the likelihood of an encounter Traps …
F# – genetic algorithms to help you catch monsters Read More »
Nowadays you see plenty of stories about Continuous Integration, Continuous Delivery and Continuous Deployment on the web, and it’s great to see that the industry is moving in this direction, with more and more focus on automation rather than hiring humans to do a job that machines are so much better at. But, most of …
Red-White Push – Continuous Delivery at Gamesys Social Read More »
DISCLAIMER : as always, you should benchmark against your payload and use case, the benchmark numbers I have produced here is unlikely to be representative of your use cases and neither is anybody else’s benchmark numbers. You can use the simple test harness I created and see these example code to benchmark against your particular …
Whilst the official rebar documentation only covers usages on Unix, turns out it was really easy to get going on Windows too, even without resorting to installing and using cygwin. Here’s some quick steps: clone the rebar repo in the root of the repo, run bootstrap.bat (you’ll need Erlang installed for this) copy the generated …
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 »
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