My three year old asked me a pretty interesting question this morning, “how many sleeps is it until next Easter?”
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Number of Days Between Easter’s
Posted in Mathematics, Python
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Was there room on the door for two?
Could Jack Dawson (Leonardo DiCaprio) and Rose DeWitt Bukater (Kate Winslet) from the motion picture ‘Titanic’ both have survived by both floating on the door? (Clearly there are a load of spoilers in this article – but the film did come out over 20 years ago so I’m not going to worry too much about it).
[Note: This is a copy of an article I wrote in 2011, which is no longer available online so I’ve repeated it here for prosperity]
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Posted in Mathematics, Misc
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Unblock IP address from connecting via SSH
I manage a small cluster at work and occasionally students get their IP address banned by entering the wrong password when logging into the cluster. I don’t fix the problem often enough to remember how to do it, so I thought I’d jot it down here for future reference. Continue reading
Probability of World Cup Group Draw
The lineup for the 2018 FIFA World Cup is now complete, and the teams have been sorted into pots ahead of the group stage draw on December 1st. All draws are not equally likely, so what teams is your team likely to face? Continue reading
Posted in Football, Python
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Correlation of mean transfer spend and UEFA coefficient
How does a countries mean transfer spend relate to its UEFA coefficient? Continue reading
Posted in Football, Mathematics
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Most expensive Premier League football transfer of all time: Rio Ferdinand
No, this post isn’t 15 years late, Rio Ferdinand really did cost “more” than Paul Pogba… Continue reading
Passwordless SSH on CentOS
The CentOS wiki page misses out a crucial step in setting up passwordless SSH. Continue reading
Posted in Linux
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Complex Reflection Groups
After a spring clean I came across a talk I gave on the classification of complex reflection groups back in March 2011. Continue reading
Posted in Mathematics
Tagged classification, complex reflection groups, group theory, mathematics
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Rescan Wireless Networks on Ubuntu
Sometimes I can’t find wireless networks which I know exist (on Ubuntu 16.04). Forcing the wireless interface to rescan fixes the problem. Continue reading
Posted in Linux
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Distribution of Pancake Day
Today is pancake day and it got me thinking about the fact that I remember the day falling on my birthday (March 7th) just once in my lifetime. How long will I have to wait until it next falls on my birthday?
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