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 …
I attended the Functional Programming eXchange 15 last Thursday and it was a thoroughly enjoyable day. Don’t worry if you weren’t one of the lucky 100 or so that made it, most of the talks are available online on SkillsMatter’s website, and here’s a high level summary of a couple of the talks. Games and …
Functional Programming eXchange experience report Read More »
Having heard so much about APL from Phil Trelford (who is one of the leaders in the F# community) I decided to try it out too. For the uninitiated, APL code looks every bit as mind-bending and unbelievable as scenes from Johnny Depp’s Fear and Loathing in Las Vegas. For example, the life function below implements …
This talk by Kyle Kingsbury (aka @aphyr on twitter) was my favourite at CraftConf, and gave us an update on the state of consistency with MongoDB, Elasticsearch and Aerospike. Kyle opened the talk by talking about how we so often build applications on top of databases, queues, streams, etc. and that these systems we …
CraftConf 15–Takeaways from “Jepsen IV: Hope Springs Eternal” Read More »
This talk by Richard Rodger (of nearForm) was my favourite at this year’s CodeMotion conference in Rome, where he talked about why we need to change the way we think about monitoring when it comes to measuring micro-services. TL; DR Identify invariants in your system and use them to measure the health of your …
CodeMotion 15–Takeaways from “Measuring micro-services” Read More »
Joy of Coding has totally exceeded my expectations and proved to be one of the best conferences I have attended this year (and there has been a few already ). Rotterdam is also a city I’d like to visit again – it’s quiet, clean, packed full of beautiful architectures and the people are so friendly and helpful! “happy speakers, happy attendees” – …
One of my key takeaways from Tammer Saleh’s microservices anti-patterns talk at CraftConf is that we need to record correlation IDs to help us debug microservices. Why do we need Correlation IDs? Suppose a user request comes in and after various aspects of the request has been handled by several services something goes wrong. …
A consistent approach to track correlation IDs through microservices Read More »
In enterprises we tend to sell architectural projects by showing you the current messy state and pitch you an idealized end state. But the problem is that, the ideal end state we’re pitching exists only as an idea, without having gone through all the compromises and organic growth that made the current state messy. Once we …
CraftConf 15–Takeaways from “Architecture Without an End State” Read More »
Having been primarily involved with .Net languages in my career so far, homoiconicity was a new idea to me when I first encountered it in Clojure (and also later in Elixir). If you look it up on wikipedia, you’ll find the usual wordy definition that vaguely makes sense. “…homoiconicity is a property of some programming …
Understanding homoiconicity through Clojure macros Read More »
I’ve spent time with Rust at various points in the past, and being a language in development it was no surprise that every time I looked there were breaking changes and even the documentations look very different at every turn! Fast forward to May 2015 and it has now hit the 1.0 milestone so things …
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