Category: tech

Use Ngrok for Testing APIs on Dev
27 January 2016

Recently I was hastily building an API for a client and I wanted to run some tests against it. I've written before about using Runscope for API testing, but this was against a local dev platform (inside a VM, not directly on my laptop) rather than a public API. The same problem arises if you want to access a local site or API from elsewhere or from a mobile device. In all these scenarios, ngrok is your friend.

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API Testing with Runscope
04 January 2016

I work with a lot of APIs and I really appreciate good tools. Lately I've been really enjoying using Runscope for testing and monitoring my APIs so I thought I'd share how I work with this tool, which has a great one-person free tier *and* the ability to import/export tests so if you need to work with a team with just the free tier (the examples here are from an open source project which is an obvious use case where it's hard to fund tools), it's clunky but doable. The idea here is just to show you around how to create your own API tests with Runscope (and also to write down what I did so I can point both my future self and others at this!)

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Git Won't Check Out A Path It Autocompleted
10 November 2015

One of my git repositories has developed a tendency to refuse to checkout a feature branch locally that exists on the remote repo. My git bash completion works, but then strange things happen! It turned out to be that I had two remotes with the same refspec, so I thought I'd write down the behaviour I saw and hopefully help someone else to fix this problem faster if they see it.

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Why My Open Source Project Needs a Code of Conduct
21 October 2015

I'm an open source project maintainer, working on the projects associated with joind.in, and recently we added a Code of Conduct to all our projects (we have quite a few as you can see from our github organisation page https://github.com/joindin).

I feel the same way about codes of conduct for open source projects as I do about codes of conduct for events. You can absolutely run a totally safe and effective event without one, but by having one you make very clear what your expectations are - and in turn this manages the expectations of the people attending that event.

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Ada Lovelace Day: The Allies
13 October 2015

It's Ada Lovelace day, a day when we celebrate women in technology. This year I'd like to mention a group of people who make the biggest difference in the tech life of any minority: the allies.

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Git Pull Causes a Merge
03 September 2015

If you type git pull and expect a fast-forward update, but get a merge instead, don't panic! This usually happens when we're collaborating on a branch with other people, and we've made changes on our local version of a branch, and someone else (or the other you, if you use git to sync between multiple dev platforms) has made changes to the remote version of a branch in the meantime. It also happens really frequently in teams where all commits are to the master branch ... yet another reason to have a decent branching strategy.

All that's happened is something like this:

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Debugging rst2pdf and pygments
29 July 2015

I create my slide decks from ReStructuredText, which is a text markup format. Working this way makes it easy to add into source control, fast to work with, and also accessible since I don't use a mouse or other pointing device so traditional slide deck creation programs are kind of difficult. Text-based wins every time for me. While working on a new slide template, I ran into some difficulties and had to figure out how to inspect what was going on. I seem to struggle with this every time so I am writing my troubleshooting guide here for when I need it next.

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The Microphone Is Your Friend
27 July 2015
This post is an adaptation from an email I sent to a friend who is doing their first few conference talks. I was asked to share more widely so here it is

The microphone is your friend, honestly :) Even if you think you can be heard, there are some definite benefits to using a mic if it's available:
- you actually can be heard
- even people with less-than-excellent hearing can hear you
- the video recording can hear you as well
- you now have the option to employ some vocal variety: exclaiming, pausing, stage whisper ... it all adds interest and colour to what you are saying
There are a few different types of mic and each one has its own quirks!
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So You're Thinking Of Submitting A Talk
16 July 2015

I've been a conference speaker for a lot of years now, which doesn't make me an expert but it does mean that people ask me for advice pretty regularly! With the Call for Papers open for PHP North West at the moment (awesome conference, first weekend in October, CfP at …
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Notify New Relic of Jenkins Deploys
18 June 2015

I'm a fan of Jenkins as a build server, and on one particular project we've also started using New Relic (I haven't figured out how to blog fun things about New Relic without sharing graphs of client applications which doesn't seem like a cool thing to do). New Relic has a feature where you can notify it when you do a deployment, and it shows on the graphs a line marking when that happened, which is super useful for correlating performance changes with code changes.

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Code Reviews: Before You Even Run The Code
02 June 2015

I do a lot of code reviewing, both in my day job as principal developer and also as an open source maintainer. Sometimes it seems like I read more code than I write! Is that a problem? I'm tempted to say that it isn't. To be a good writer, you must be well-read; I believe that to be a good developer, you need to be code-omnivorous and read as much of other people's code as possible. Code reviews are like little chapters of someone else's code to dip into.

Over time I've developed some particular processes that I find helpful when reviewing code. In particular, I often surprise people at how much review I do before I run the code. Sometimes I grab the branch so that I can use my local diff tools, but I don't actually execute code until I've established some basic facts. This post is a little insight into what's happening in this not-running-the-code-yet zone.

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Count Changed Lines in Git
07 May 2015

I have a favourite set of switches to git log, but today I wanted to answer the question "You deleted how much code today?" so I thought I'd share how I did that

git log --numstat will show you how many lines were added (first column) and removed (next column …
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