April 2020 cycling challenge Towards the end of March, my uncle sent our triathlon group a challenge he was thinking of doing; dubbed the "1000 challenge". There weren't any specifics and I assumed he
How to solve low 4iiii Precision power meter readings I recently managed to get a 4iiii Precision left-only crank power meter. I fitted it and did a 40 minute indoor session. I have a dumb trainer, but I've found
Zone 2 training I spent most of 2017 and 2018 running with little structure or knowledge of pacing. When I first started, I kept trying to PB my 5km time literally every single
Running targets for 2020 As of October 31st 2019, my current running PBs are the following: 5km: 19:49 (3:58 min/km - November 2018)10km: 42:13 (4:13 min/km -
Twenty-four Last year I wrote a year-in-review for my twenty-third birthday. And now it's time for another! In the last year, I have: visited Chiang Mai - Here for my birthday last year, until just after NYD. Came back here during summer to regain fitness
Automated GitHub releases for Rust projects using Actions I've been using GitHub Actions more and more across the projects I maintain. It's a great offering and integrates well into GitHub. There are a few Rust projects I have where I wanted to automate the publishing of prebuilt binaries to the GitHub releases
A good standard for endurance sports I was recently talking to my uncle about the sort of achievements that would be good to achieve as a semi-competitive age-grouper. That is, you're not new to the sport,
Node.js memory flamegraphs If you read my blog or follow me on Twitter you may have noticed I'm a huge fan of flamegraphs. I've previously written about how I use them to profile PHP and Node.js applications, and I help maintain rbspy, a Rust profiler for
Avoiding double builds in GitHub Actions I was recently setting up some CI on GitHub Actions and ran across double builds for pull requests. The official documentation is still a bit lacking and it's a problem because it burns 2x the credits. In the end, I made this diff: -on:
ULTRALONDON 55 Race InformationName: ULTRALONDON 55kmDate: October 5th 2019Distance: 55kmLocation: London, EnglandWebsite: https://www.ultralondon.co.uk/Time: 5:27:30 (about 6 min/km)GoalsA - Finish: YesB - Sub 6: YesC - Sub 5:30: YesSplits27.50km: 2:24:1755km: 5:27:30About the
Using Apple AirPods When Running I recently picked up a pair of Apple AirPods 2 whilst in Malaysia. It took me a while to find them because everywhere was out of stock. So far, I’
If you are still using PHP 5.6 or 7.0, you need to upgrade Last October I made Upgrade your PHP, a site to let people know that PHP 5.6 and PHP 7.0 were about to reach their End of Life, and would no longer be officially supported. In the time since, I've been helping people
Profiling Node.js applications using flamegraphs This post is a case study of how I profiled a Node.js application, and how using flamegraphs allowed me to make the boot time of Ghost 20% faster. I remember trying to profile Node.js many years ago and it was much harder
Suggested settings for Cloudflare I always recommend to my clients that they use a CDN on their website. These are my recommendations for people using the Cloudflare Free plan, along with some warnings to watch out for. DNSStatus: Orange Cloud - this will ensure the requests go through
DigitalOcean Spaces doesn't support HTTP/2 Earlier today I was looking at a couple of sites to see why they were much slower than I expected. I ran them through GTmetrix and saw the following in the waterfall tab. Straightaway I could see that this is the classic pattern produced
Flamegraphs for Ruby 2.6 I recently added support for Ruby 2.5.4, 2.5.5 and 2.6.0-2.6.3 to rbspy, the sampling profiler written in Rust. I have replaced the original Flamegraph library by Brendan Gregg with Inferno, a Rust port. I also updated
Linode corrupted our server and how I got it back up A few days ago, the server running Nomad List and Remote OK randomly went down. This is the timeline of what happened and how I fixed it. All times are
What benefits do I offer my clients? I work with clients to improve the performance of their website. So - what benefits do I offer to them? 1. More timeServer maintenance and website optimization are important but time-consuming processes. They are often ignored in order to prioritise other activities but are
Buying a new laptop My old laptop was a Lenovo G505s, which I bought in 2014 before starting university. It served me well and got me through a Master's degree & 6 months of work/travelling. However, there were a few things that started to grind on me.
Running a business: 3 months in Last year I finished as a sole trader and set up a limited company. It was something I had been meaning to do for a while but it would incur several complexities that I was not ready for at the time. When business picked
Caching static HTML with Cloudflare By default, Cloudflare does not cache static HTML. It's nice when you're constantly pushing updates because the changes are immediately shown. But it does mean that you still have that short delay whilst Cloudflare gets the latest version of your page. If you have
Rewriting stackcollapse-xdebug in Rust A week or so ago, I saw the inferno project mentioned on the Rust subreddit. It was a rewrite of the great FlameGraph library into Rust. All of the work was being livestreamed by Jon Gjengset. I ended up watching some of the livestreams
