Charlie Harvey

What’s all this then?

My name is Charlie Harvey and this is my website. I like computer geekery, drinking cider and trying to overthrow capitalism. I seem to be doing rather better with the first two.

Sometimes I make things like the Daily Mail story generator, sometimes I blog and sometimes I just stare blankly into space.

Portrait of Charlie Harvey

Recent blogs

  • Quick tip: Making Gandi SHA-2 certificates work with all browsers

    Quick tip: Making Gandi SHA-2 certificates work with all browsers cover image

    At newint we are working our way through our SSL/TLS certificates to make sure they are all signed with SHA2 algorithim, rather than SHA1, which is starting to show its age. We use Gandi as our certificate provider. As you can see, they have very recently started issuing SHA2 certificates if you

  • Solved: Icedove/Davical CalDAV events disappear after reloading

    Solved: Icedove/Davical CalDAV events disappear after reloading cover image

    A while back I upgraded Icedove/Thunderbird on some of my machines. Since then I have been able to add events to my calendar, but they have been disappearing on reload. It has been doing my nut in a bit, so I have written up the issue in case others hit the same problem.tl;drThe problem was th

  • October 2014 Reading

    Algebra of Programming, by Richard Bird and Oege de MoorI was lucky enough to chance upon this book whilst browsing online. It is way beyond my grasp of category theory. But what I did understand was extremely cool!2014-10-16 by Charlie Harvey

  • A day at IP Expo 2014

    A day at IP Expo 2014 cover image

    I recently attended the first day of IP Expo 2014, mostly because of the co-hosted Cyber security event that was happening concurrently, but also to see Tim Berners-Lee talk. And to browse the stalls a bit.The last time I was anywhere near London’s Excel centre, where the event takes place,

  • Video: What is internet? (1994)

    I have a thing about old clips non-technical folks talking about the intertubes. Witness, for example The Kids Guide to the Internet from 1997. Here is a great piece from the archives circa 1994. I love the idea that @ is the about symbol. And that you don’7 need a phone line to

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