The Curious Engineer

All blogs / Ruby / Rails

Will Jessop's Writings

willj.net

I write about Ruby on Rails and Postgres scaling, performance and upgrade work, Ruby, Go and other programming topics, as well as sailing and cooking.

Ruby / RailsDatabasesGoElectronics

’05’10’15’20’25
Posts
63 from 9 Nov 2005 to 29 May 2025
Posting
now and then
Kind
personal blog
Feed
https://willj.net/rss.xml

2025 1

  1. Fixing errors installing the charlock_holmes ruby gem redux

2024 3

  1. Final robot photos
  2. You should use the Ruby on Rails logger block syntax
  3. Finding Postgres rows too large for BTree indexes

2023 6

  1. Measuring IO timings when using EXPLAIN ANALYSE in Postgres
  2. Buffer analysis when using EXPLAIN ANALYSE in Postgres
  3. Converting a wordpress.com dump to Hugo, including images
  4. Reverting Firefox's recent URL bar suggestion order change
  5. Fitting two hard drives and an SSD in a Dell OptiPlex 7010 SFF
  6. Running a specific knapsack test set locally

2022 3

  1. Will's YouTube sailing channel recommendations
  2. Full-height Github "checks" box in Firefox
  3. Effective Github Notifications

2021 2

  1. Simple Sourdough Bread
  2. Making a Sourdough Starter

2020 6

  1. Using the T67XX CO₂ Sensor Module in Go
  2. Custom 3D printed Blue Snowball desk stand
  3. Welcome to My New Blog
  4. Writing to an Lcd Panel Using Go and a Raspberry Pi
  5. Humidity, Temperature and Pressure Sensing on a Raspberry Pi With Go
  6. Error installing libv8 on Mac OS Catalina

2019 2

  1. Fixing the ruby 'CoreFoundation/CFString.h' file not found install error
  2. Fixing errors installing the charlock_holmes ruby gem

2017 1

  1. Basic pasta sauce

2016 1

  1. The security of a system is as strong as it's weakest component

2015 2

  1. Random graph
  2. How to find if two nodes are connected in an RGL graph

2014 3

  1. I got my pan tilt servos working
  2. Testing Github commit hook one liners
  3. AWS IAM Policy for allowing s3cmd to sync to an S3 bucket

2013 21

  1. Ping-Pong Press!
  2. Robot at RubyConf
  3. Prototype lifter arm
  4. First robot remote driving test
  5. Rejects and prototypes
  6. New robot base design and completed prototype arm assembly
  7. Testing the new battery + lifter arm circuit
  8. An assembled ping-pong robot hopper
  9. Testing new motor mounts
  10. Raspberry Pi camera mount + lens holder
  11. New Pi mount, and testing the power requirements
  12. Lenses
  13. First prototype robot base
  14. OpenSCAD robot base design
  15. Trying out the prototype caterpillar track mount
  16. Printing out a test caterpillar track and motor mount
  17. Designing a track mount
  18. Secret project - MotorPiTX motor board
  19. Secret project
  20. go-piglow, a lib for controlling the piglow in Golang
  21. Creating BERT dicts in Go

2012 3

  1. Creating animated gifs with imagemagick
  2. Railsberry animated gifs
  3. Paula Deen riding things

2011 3

  1. Testing http over socket connections with socat
  2. Cloud email service price comparison
  3. Should I switch from Sendgrid to Amazon SES?

2009 1

  1. Rewriting URL params in nginx

2007 1

  1. Tricks of the Trade

2006 3

  1. A great 'site unavailable' message
  2. 99 bottles of Ruby beer on the wall
  3. Fixing the 'Memory card error' on the Canon IXUS 400 / S3

2005 1

  1. New hard disc