Programming, technology, and creative projects by Chris.https://squarism.com/https://squarism.com/features/database-migration/https://squarism.com/features/database-migration/A complicated database migration scenario simulation where the users table has first_name and last_name. The next version of the app wants one name column because splitting names was a mistake. Run the migration without downtime and without losing data.Wed, 23 Sep 2026 00:00:00 GMThttps://squarism.com/features/downtime/https://squarism.com/features/downtime/Scenario Practice described exercises and never built one. Here is the first scenario to practice: patch a server while there is user load. In the first scenario you will watch requests die and there is nothing you can do about it. Then you will fix it with a load balancer.Tue, 22 Sep 2026 00:00:00 GMThttps://squarism.com/posts/a-network-in-rust-part-3/https://squarism.com/posts/a-network-in-rust-part-3/Sat, 01 Jun 2024 00:00:00 GMThttps://squarism.com/posts/a-network-in-rust-part-2/https://squarism.com/posts/a-network-in-rust-part-2/Fri, 17 May 2024 00:00:00 GMThttps://squarism.com/posts/a-network-in-rust-part-1/https://squarism.com/posts/a-network-in-rust-part-1/Sun, 05 May 2024 00:00:00 GMThttps://squarism.com/posts/microframeworks-are-too-small/https://squarism.com/posts/microframeworks-are-too-small/Wed, 20 Dec 2023 00:00:00 GMThttps://squarism.com/posts/ruby-has-long-known-about-poetry/https://squarism.com/posts/ruby-has-long-known-about-poetry/Tue, 24 Oct 2023 00:00:00 GMThttps://squarism.com/posts/how-to-test-random-things/https://squarism.com/posts/how-to-test-random-things/Mon, 28 Aug 2023 00:00:00 GMThttps://squarism.com/posts/the-bet-against-webtech/https://squarism.com/posts/the-bet-against-webtech/Fri, 03 Dec 2021 00:00:00 GMThttps://squarism.com/posts/the-docker-image-store-is-cache/https://squarism.com/posts/the-docker-image-store-is-cache/Fri, 05 Nov 2021 00:00:00 GMThttps://squarism.com/posts/toxic-places-with-no-inputs/https://squarism.com/posts/toxic-places-with-no-inputs/Fri, 29 Oct 2021 00:00:00 GMThttps://squarism.com/posts/things-that-draw-themselves/https://squarism.com/posts/things-that-draw-themselves/Fri, 15 Oct 2021 00:00:00 GMThttps://squarism.com/posts/security-is-infinite-in-time-and-scope/https://squarism.com/posts/security-is-infinite-in-time-and-scope/Fri, 24 Sep 2021 00:00:00 GMThttps://squarism.com/posts/information-is-late-game/https://squarism.com/posts/information-is-late-game/Fri, 17 Sep 2021 00:00:00 GMThttps://squarism.com/posts/sciencing-out-updates/https://squarism.com/posts/sciencing-out-updates/Fri, 10 Sep 2021 00:00:00 GMThttps://squarism.com/posts/a-repl-based-debugging-workflow/https://squarism.com/posts/a-repl-based-debugging-workflow/Fri, 03 Sep 2021 00:00:00 GMThttps://squarism.com/posts/commodities-economic-scaling-and-compute/https://squarism.com/posts/commodities-economic-scaling-and-compute/Fri, 27 Aug 2021 00:00:00 GMThttps://squarism.com/posts/send-me-your-stuff/https://squarism.com/posts/send-me-your-stuff/Fri, 20 Aug 2021 00:00:00 GMThttps://squarism.com/posts/dont-test-code-you-dont-own/https://squarism.com/posts/dont-test-code-you-dont-own/Fri, 13 Aug 2021 00:00:00 GMThttps://squarism.com/posts/scenario-practice/https://squarism.com/posts/scenario-practice/Fri, 06 Aug 2021 00:00:00 GMThttps://squarism.com/posts/the-database-ruins-all-good-ideas/https://squarism.com/posts/the-database-ruins-all-good-ideas/Fri, 09 Jul 2021 00:00:00 GMThttps://squarism.com/posts/your-1-percent-ab-testing-is-a-lot-to-me/https://squarism.com/posts/your-1-percent-ab-testing-is-a-lot-to-me/Wed, 07 Jul 2021 00:00:00 GMThttps://squarism.com/posts/git-is-below-your-project/https://squarism.com/posts/git-is-below-your-project/Mon, 05 Jul 2021 00:00:00 GMThttps://squarism.com/posts/no-advice/https://squarism.com/posts/no-advice/Tue, 31 Mar 2020 00:00:00 GMThttps://squarism.com/posts/sprinkle-time-on-that-thing/https://squarism.com/posts/sprinkle-time-on-that-thing/Tue, 04 Jun 2019 00:00:00 GMThttps://squarism.com/posts/testing-is-a-gradient-spectrum/https://squarism.com/posts/testing-is-a-gradient-spectrum/Thu, 08 Nov 2018 00:00:00 GMThttps://squarism.com/posts/gb-project-example/https://squarism.com/posts/gb-project-example/Tue, 23 May 2017 00:00:00 GMThttps://squarism.com/posts/why-a-dev-log-is-great-two-years-later/https://squarism.com/posts/why-a-dev-log-is-great-two-years-later/Mon, 10 Apr 2017 00:00:00 GMThttps://squarism.com/posts/porting-ruby-to-crystal/https://squarism.com/posts/porting-ruby-to-crystal/Sat, 25 Feb 2017 00:00:00 GMThttps://squarism.com/posts/the-enthusiast-trench/https://squarism.com/posts/the-enthusiast-trench/Fri, 25 Nov 2016 00:00:00 GMThttps://squarism.com/posts/pry-and-slop/https://squarism.com/posts/pry-and-slop/Tue, 19 Apr 2016 00:00:00 GMThttps://squarism.com/posts/ruby-slop-example/https://squarism.com/posts/ruby-slop-example/Wed, 06 Apr 2016 00:00:00 GMThttps://squarism.com/posts/serverspec-and-packer/https://squarism.com/posts/serverspec-and-packer/Tue, 15 Mar 2016 00:00:00 GMThttps://squarism.com/posts/sidekiq-rate-limiting/https://squarism.com/posts/sidekiq-rate-limiting/Fri, 12 Feb 2016 00:00:00 GMThttps://squarism.com/posts/rails-style-route-parsing/https://squarism.com/posts/rails-style-route-parsing/Wed, 20 Jan 2016 00:00:00 GMThttps://squarism.com/posts/why-a-dev-log-is-great/https://squarism.com/posts/why-a-dev-log-is-great/> What did you do this week? > _Um. Uh. remembering intensifies_Fri, 13 Nov 2015 00:00:00 GMThttps://squarism.com/posts/setting-mysql-timezone/https://squarism.com/posts/setting-mysql-timezone/I couldn't find this information anywhere so I'm writing it. If you installed mysql and I mean MariaDB through homebrew then you might find some troSun, 01 Nov 2015 00:00:00 GMThttps://squarism.com/posts/encoding-in-ruby-and-everywhere/https://squarism.com/posts/encoding-in-ruby-and-everywhere/I gave a lightning talk at pdxruby recently. I was trying to explain the gotchas but was doing live coding in pry and it wasn't enough time for me toWed, 08 Jul 2015 00:00:00 GMThttps://squarism.com/posts/new-gig/https://squarism.com/posts/new-gig/Started a new gig about three weeks ago. Sad to leave the old team and friends. It was awesome and I grew in a lot of ways. But this new place is p...Tue, 26 May 2015 00:00:00 GMThttps://squarism.com/posts/finding-a-tree/https://squarism.com/posts/finding-a-tree/When I moved to Portland, I saw this tree on I-5 outside the city. It kind of stands by itself. _Pokes out_ before you hit downtown. I always wonde...Fri, 01 May 2015 00:00:00 GMThttps://squarism.com/posts/running-docker-registry/https://squarism.com/posts/running-docker-registry/The docker registry is a daemon/service that you can run privately to push and pull images locally. This is fantastic for sharing images within a t...Sun, 19 Apr 2015 00:00:00 GMThttps://squarism.com/posts/nil-if-and-collect-in-ruby/https://squarism.com/posts/nil-if-and-collect-in-ruby/Ruby's if statement returns the return value when matched. If it falls through, it returns nil. I sometimes forget this. It's not a big deal until itThu, 18 Dec 2014 00:00:00 GMThttps://squarism.com/posts/shell-typos/https://squarism.com/posts/shell-typos/Let's create a list of our most common typos on the shell. First, let's go over the algorithm.Mon, 01 Dec 2014 00:00:00 GMThttps://squarism.com/posts/mocking-in-golang/https://squarism.com/posts/mocking-in-golang/This was originally a stackoverflow but it got down voted and suggested it be a blog post. Ok! Here's my toy program. I had it separated into packageFri, 28 Nov 2014 00:00:00 GMThttps://squarism.com/posts/follow-through/https://squarism.com/posts/follow-through/You can imagine an end result without knowing about fundamental problems. If those fundamentals are core to your business or idea and they are immo...Sat, 15 Nov 2014 00:00:00 GMThttps://squarism.com/posts/the-go-path/https://squarism.com/posts/the-go-path/One of the most confusing parts of starting Go was learning the project layout or what Go calls _the workspace_. It's changed a little bit in past ...Fri, 14 Nov 2014 00:00:00 GMThttps://squarism.com/posts/yaml-go/https://squarism.com/posts/yaml-go/This wasn't exactly clear. When using the gopkg.in/yaml.v2 or gopkg.in/yaml.v1 packages, I was confused as to what to do with my data structure.Mon, 13 Oct 2014 00:00:00 GMThttps://squarism.com/posts/slop-example/https://squarism.com/posts/slop-example/> This is all about Slop 3 ruby 1.9 era. Slop 4 has changed the API. > See the READMEhttps://github.com/leejarvis/slop/blob/master/README.md > AThu, 25 Sep 2014 00:00:00 GMThttps://squarism.com/posts/redis-595-timer-states/https://squarism.com/posts/redis-595-timer-states/I wanted to learn about how a 595 timer chip works. I'm a code dude. So when I see this integrated chip and all its pins, it's scary. I'm sure an E...Wed, 24 Sep 2014 00:00:00 GMThttps://squarism.com/posts/positive-change/https://squarism.com/posts/positive-change/I've been in Portland for a week. So far, it's amazing. I really don't want to blather on about how great it is because, to be honest, I'm afraid o...Sun, 17 Aug 2014 00:00:00 GMThttps://squarism.com/posts/default-dc-tech-is-just-bad/https://squarism.com/posts/default-dc-tech-is-just-bad/_The opinions of this blog, but especially this post are mine and not my employers'._Fri, 06 Jun 2014 00:00:00 GMThttps://squarism.com/posts/passion/https://squarism.com/posts/passion/On a Ruby Rogues podcast about Passionhttp://rubyrogues.com/144-rr-passion/, Avdi continued to enlighten and entertain me with his insights. I'veMon, 19 May 2014 00:00:00 GMThttps://squarism.com/posts/dry-methods-with-ruby-blocks/https://squarism.com/posts/dry-methods-with-ruby-blocks/Let's do something terrible by hand. First, here's our data. It comes from a database.Fri, 13 Sep 2013 00:00:00 GMThttps://squarism.com/posts/problems-with-the-cloud/https://squarism.com/posts/problems-with-the-cloud/Tue, 27 Aug 2013 00:00:00 GMThttps://squarism.com/posts/ipv6-spike/https://squarism.com/posts/ipv6-spike/A spike is when you play around with something and then throw it away for the purposes of learning. So, let's play around with IPv6. I had read a l...Sun, 28 Jul 2013 00:00:00 GMThttps://squarism.com/posts/the-best-way-to-read-csv-in-ruby/https://squarism.com/posts/the-best-way-to-read-csv-in-ruby/CSV is awful. CSV isn't well formed. It isn't hard to use because it's bloated and slow. CSV is hard to use because it's just a dumb data format. H...Sun, 16 Jun 2013 00:00:00 GMThttps://squarism.com/posts/rails-dev-shops-in-washington-dc/https://squarism.com/posts/rails-dev-shops-in-washington-dc/.shops margin-bottom: 4em; .shops td padding: 1em; .shops tr td:nth-child2 width: 25%; border-right: 1px sSun, 09 Jun 2013 00:00:00 GMThttps://squarism.com/posts/the-supermodel-ruby-gem-loses-data/https://squarism.com/posts/the-supermodel-ruby-gem-loses-data/Blog post about the supermodel ruby gem loses dataSun, 02 Jun 2013 00:00:00 GMThttps://squarism.com/posts/super-interesting-talks-from-rubyconf-2012/https://squarism.com/posts/super-interesting-talks-from-rubyconf-2012/Trying to summarize someone's 30-60minute talk is really hard. So apologies go out to anyone I'm trying to paraphrase here. I took it upon myself t...Tue, 28 May 2013 00:00:00 GMThttps://squarism.com/posts/using-redis-as-a-database/https://squarism.com/posts/using-redis-as-a-database/Blog post about using a redis as a databaseSat, 04 May 2013 00:00:00 GMThttps://squarism.com/posts/the-blub-paradox-and-delicious-pie/https://squarism.com/posts/the-blub-paradox-and-delicious-pie/Blog post about the blub paradox and delicious pieSun, 21 Apr 2013 00:00:00 GMThttps://squarism.com/posts/ruby-p385-benchmarks/https://squarism.com/posts/ruby-p385-benchmarks/I was playing around with the falcon p385 patch to see if it's any faster than some of the more recent MRI rubies. TL;DR version: looks like p192 isSat, 16 Feb 2013 00:00:00 GMThttps://squarism.com/posts/hash-choice/https://squarism.com/posts/hash-choice/!bttf/uploads/2013/02/bttf.pngTue, 12 Feb 2013 00:00:00 GMThttps://squarism.com/posts/what-a-tech-stack-has-to-do-on-our-first-date/https://squarism.com/posts/what-a-tech-stack-has-to-do-on-our-first-date/!monolingual/uploads/2012/11/monolingual.pngFri, 30 Nov 2012 00:00:00 GMThttps://squarism.com/posts/new-hawtnesses/https://squarism.com/posts/new-hawtnesses/Wow, how can anyone keep up?Mon, 12 Nov 2012 00:00:00 GMThttps://squarism.com/posts/svn-vs-git-speed/https://squarism.com/posts/svn-vs-git-speed/Blog post about svn vs git speedFri, 12 Oct 2012 00:00:00 GMThttps://squarism.com/posts/ruby-dcamp-2012/https://squarism.com/posts/ruby-dcamp-2012/!rubydcamp_2012/uploads/2012/10/rubydcamp_2012-580x434.jpgMon, 01 Oct 2012 00:00:00 GMThttps://squarism.com/posts/changing-the-textmate-comment-banner/https://squarism.com/posts/changing-the-textmate-comment-banner/I like to put a little date banner on files that are like a CHANGELOG. The Insert Comment Banner in Textmate is great for this. You just hit Ctrl+S...Mon, 24 Sep 2012 00:00:00 GMThttps://squarism.com/posts/caching-an-object-in-rails-is-easy/https://squarism.com/posts/caching-an-object-in-rails-is-easy/Caching in Rails is really simple straight from the docs:Sun, 23 Sep 2012 00:00:00 GMThttps://squarism.com/posts/rails-development-on-windows-not-suck/https://squarism.com/posts/rails-development-on-windows-not-suck/Blog post about making rails development on windows not suckSat, 22 Sep 2012 00:00:00 GMThttps://squarism.com/posts/splitting-a-sentence-in-ruby-and-keeping-the-punctuation/https://squarism.com/posts/splitting-a-sentence-in-ruby-and-keeping-the-punctuation/Blog post about splitting a sentence in ruby and keeping the punctuationFri, 21 Sep 2012 00:00:00 GMThttps://squarism.com/posts/a-different-repl-workflow-in-ruby/https://squarism.com/posts/a-different-repl-workflow-in-ruby/Normally what I do is open an editor and start coding. In Textmate, I'll hit Cmd+R to just run it as a big procedural file for something simple. If...Sat, 15 Sep 2012 00:00:00 GMThttps://squarism.com/posts/a-computer-is-not-a-calculator/https://squarism.com/posts/a-computer-is-not-a-calculator/Blog post about a computer is not a calculatorThu, 13 Sep 2012 00:00:00 GMThttps://squarism.com/posts/autotest-and-minitest/https://squarism.com/posts/autotest-and-minitest/Blog post about replace guard with autotest if using minitestWed, 12 Sep 2012 00:00:00 GMThttps://squarism.com/posts/documentation-is-horse-crap/https://squarism.com/posts/documentation-is-horse-crap/Blog post about documentation is horse crapTue, 11 Sep 2012 00:00:00 GMThttps://squarism.com/posts/lets-play-with-capistrano/https://squarism.com/posts/lets-play-with-capistrano/In which I try to learn capistrano for the first time. Pushed a simple Rails 3 app to a mac dev box running rbenv, zsh, nginx and passenger. It's LOMon, 10 Sep 2012 00:00:00 GMThttps://squarism.com/posts/rbenv-vs-rvm/https://squarism.com/posts/rbenv-vs-rvm/Blog post about rbenv vs rvmSun, 09 Sep 2012 00:00:00 GMThttps://squarism.com/posts/arduino-mini-and-raspberry-pi-gpio-wonderment/https://squarism.com/posts/arduino-mini-and-raspberry-pi-gpio-wonderment/Blog post about arduino mini and raspberry pi gpio wondermentThu, 06 Sep 2012 00:00:00 GMThttps://squarism.com/posts/coffeescript-fat-arrow/https://squarism.com/posts/coffeescript-fat-arrow/I found myself in a situation where coffeescript was complaining that Object has no method foo when it clearly did. What is going on? Why is it so ...Fri, 10 Aug 2012 00:00:00 GMThttps://squarism.com/posts/mountain-lion-rails/https://squarism.com/posts/mountain-lion-rails/Blog post about mountain lion and rails developmentFri, 27 Jul 2012 00:00:00 GMThttps://squarism.com/posts/ruby-resources/https://squarism.com/posts/ruby-resources/outdated : _Some of these resources have shut down. I suggest signing up for the rubyrogues parlay mailing list for up-to-date discussion_.Sat, 05 May 2012 00:00:00 GMThttps://squarism.com/posts/mongodb-csv-importing/https://squarism.com/posts/mongodb-csv-importing/Following this tutorial over at mongovuehttp://www.mongovue.com/2010/11/03/yet-another-mongodb-map-reduce-tutorial/ about mapreduce in mongodb. ThThu, 03 May 2012 00:00:00 GMThttps://squarism.com/posts/a-spork-nilnilclass-fix/https://squarism.com/posts/a-spork-nilnilclass-fix/Blog post about a spork nil:nilclass fixFri, 09 Mar 2012 00:00:00 GMThttps://squarism.com/posts/upgrading-rbenv/https://squarism.com/posts/upgrading-rbenv/Blog post about upgrading rbenvMon, 27 Feb 2012 00:00:00 GMThttps://squarism.com/posts/setting-defaults-in-ruby/https://squarism.com/posts/setting-defaults-in-ruby/Blog post about setting defaults in rubyTue, 21 Feb 2012 00:00:00 GMThttps://squarism.com/posts/consumer-routers-suck/https://squarism.com/posts/consumer-routers-suck/Update: 2015 The Pfsense Official Hardware firewall/router has been fantastic.Mon, 20 Feb 2012 00:00:00 GMThttps://squarism.com/posts/my-drobofs-problems/https://squarism.com/posts/my-drobofs-problems/I love my Drobo disk pack. It was revolutionary at the time and it's been working great for years. I took that love and bought a DroboFS a few yearsTue, 14 Feb 2012 00:00:00 GMThttps://squarism.com/posts/rubygems-size-bad-algorithm/https://squarism.com/posts/rubygems-size-bad-algorithm/Blog post about rubygems size, bad algorithms and a bad data structureMon, 30 Jan 2012 00:00:00 GMThttps://squarism.com/posts/sparkfun-free-day-2011/https://squarism.com/posts/sparkfun-free-day-2011/Tried filling out hours and hours of captchas while watching the newborn. It didn't go so well. I got sore hands and didn't get $100 of free stuff. IFri, 13 Jan 2012 00:00:00 GMThttps://squarism.com/posts/quickie-mart/https://squarism.com/posts/quickie-mart/Blog post about quickie martSun, 18 Dec 2011 00:00:00 GMThttps://squarism.com/posts/rbenv-bash-prompt/https://squarism.com/posts/rbenv-bash-prompt/Sam Stephenson has a pretty looking bash prompthttps://github.com/sstephenson/rbenv screenshotted in his rbenv project's README. All you have to dMon, 05 Dec 2011 00:00:00 GMThttps://squarism.com/posts/hash-of-hashes-and-captain-planet/https://squarism.com/posts/hash-of-hashes-and-captain-planet/Blog post about hash of hashes and captain planetSun, 04 Dec 2011 00:00:00 GMThttps://squarism.com/posts/hbase-shell-color/https://squarism.com/posts/hbase-shell-color/Blog post about hbase shell colorSat, 03 Dec 2011 00:00:00 GMThttps://squarism.com/posts/schemaless-data-collection/https://squarism.com/posts/schemaless-data-collection/Blog post about schemaless data collectionFri, 25 Nov 2011 00:00:00 GMThttps://squarism.com/posts/rspec-output-formats/https://squarism.com/posts/rspec-output-formats/Some examples of rspec2 output formats. If you are using Guard and Spork to speed up your test suite, you pass --format blah in the Guardfile. For ...Thu, 17 Nov 2011 00:00:00 GMThttps://squarism.com/posts/messing-with-method-missing/https://squarism.com/posts/messing-with-method-missing/Blog post about messing with method missingSat, 12 Nov 2011 00:00:00 GMThttps://squarism.com/posts/lego-mount-for-arduino/https://squarism.com/posts/lego-mount-for-arduino/I got to thinking that's another story about the old Technics set that I had when I was a kid and how useful it would be if I could tear down and buFri, 09 Sep 2011 00:00:00 GMThttps://squarism.com/posts/memcached-with-rails-3/https://squarism.com/posts/memcached-with-rails-3/I never had a reason to play with memcached and it was on my list of things to learn. Below I will demonstrate an example app very quickly and simp...Tue, 30 Aug 2011 00:00:00 GMThttps://squarism.com/posts/pivot-table-in-ruby/https://squarism.com/posts/pivot-table-in-ruby/Sometimes you need to transpose data from columns to rows or vice-versa. In the SQL world, this is called a pivot table. Usually this happens when yMon, 02 May 2011 00:00:00 GMThttps://squarism.com/posts/simple-ruby-processing-collision-detection/https://squarism.com/posts/simple-ruby-processing-collision-detection/Blog post about simple ruby-processing collision detectionSat, 16 Apr 2011 00:00:00 GMThttps://squarism.com/posts/dealing-with-git-merges/https://squarism.com/posts/dealing-with-git-merges/Blog post about dealing with git mergesFri, 08 Apr 2011 00:00:00 GMThttps://squarism.com/posts/what-do-you-use-an-enumerator-for-in-ruby/https://squarism.com/posts/what-do-you-use-an-enumerator-for-in-ruby/Sometimes when I'm fumbling around in irb on an API I don't know, or with Active Record queries, I get an Enumerator object back when I don't want to.Sat, 02 Apr 2011 00:00:00 GMThttps://squarism.com/posts/how-to-write-a-ruby-rails-3-rest-api/https://squarism.com/posts/how-to-write-a-ruby-rails-3-rest-api/I've always wondered how I'd go about publishing a real REST API on the web to do something. In this example, we'll create an employee manager app-thFri, 01 Apr 2011 00:00:00 GMThttps://squarism.com/posts/singleton-and-observer-pattern-in-ruby-1-9/https://squarism.com/posts/singleton-and-observer-pattern-in-ruby-1-9/!god_pix/uploads/2011/03/god_pix-150x150.png _This post isn't specific to Ruby 1.9, I just want to differentiate this a little bit from other examSun, 27 Mar 2011 00:00:00 GMThttps://squarism.com/posts/perl-vs-ruby/https://squarism.com/posts/perl-vs-ruby/This isn'tFri, 25 Mar 2011 00:00:00 GMThttps://squarism.com/posts/watchr-filesystem-events-not-firing/https://squarism.com/posts/watchr-filesystem-events-not-firing/I wanted to use a ruby environment inside a Ubuntu VM but still be able to edit text files in Textmate. So I shared out my project folder and fired...Tue, 15 Mar 2011 00:00:00 GMThttps://squarism.com/posts/arduino-cat-faucet-with-mongodb-and-rails/https://squarism.com/posts/arduino-cat-faucet-with-mongodb-and-rails/I built a robot arm for my cat during a month-long geekcation. : Here are some shots of the web interface. The graph shows the percentage of the dayWed, 09 Mar 2011 00:00:00 GMThttps://squarism.com/posts/target-agnostic-etl/https://squarism.com/posts/target-agnostic-etl/Blog post about !Wed, 23 Feb 2011 00:00:00 GMThttps://squarism.com/posts/debugging-ruby-cheat-sheet/https://squarism.com/posts/debugging-ruby-cheat-sheet/Blog post about debugging ruby cheat sheetTue, 15 Feb 2011 00:00:00 GMThttps://squarism.com/posts/datamapper-mongo-problems/https://squarism.com/posts/datamapper-mongo-problems/Blog post about datamapper mongo adapter problemsThu, 10 Feb 2011 00:00:00 GMThttps://squarism.com/posts/ruby-array-sort-and-uniq-bug/https://squarism.com/posts/ruby-array-sort-and-uniq-bug/I found a ruby bug, reported it and it got fixed. I'm posting this because I thought the whole process was pretty cool. I very rarely find bugs but...Sun, 30 Jan 2011 00:00:00 GMThttps://squarism.com/posts/setting-the-default-ruby-with-pik/https://squarism.com/posts/setting-the-default-ruby-with-pik/Pikhttps://github.com/vertiginous/pik/ is a nice alternative to RVM if you're on Windows. RVM has a few more features than pik but all in all, pikTue, 18 Jan 2011 00:00:00 GMThttps://squarism.com/posts/watchr-continuous-testing-with-growl/https://squarism.com/posts/watchr-continuous-testing-with-growl/An improvement to the post I did about the doom faces for growl status and watchr config with ruby testing. This version tints the pass screen green and the fail screen red.Tue, 28 Dec 2010 00:00:00 GMThttps://squarism.com/posts/ruby-koans-notes-and-solution/https://squarism.com/posts/ruby-koans-notes-and-solution/Blog post about ruby koans notes and solutionsMon, 27 Dec 2010 00:00:00 GMThttps://squarism.com/posts/reconnect-a-mac-mouse-without-a-mouse/https://squarism.com/posts/reconnect-a-mac-mouse-without-a-mouse/Blog post about reconnect a mac mouse without a mouseWed, 22 Dec 2010 00:00:00 GMThttps://squarism.com/posts/biggest-object-id-value-in-ruby/https://squarism.com/posts/biggest-object-id-value-in-ruby/0 = 1, 1 = 3, 2 = 5, 100 = 201. What is going on? Ruby has object_ids on objects but they are shorter on small integers. Fire up irb and follow alo...Tue, 21 Dec 2010 00:00:00 GMThttps://squarism.com/posts/nmap-wont-compile-in-homebrew-solution/https://squarism.com/posts/nmap-wont-compile-in-homebrew-solution/Blog post about nmap won't compile in homebrew solutionSat, 18 Dec 2010 00:00:00 GMThttps://squarism.com/posts/macports-upgrade-breaks-imagemagick/https://squarism.com/posts/macports-upgrade-breaks-imagemagick/A blind upgrade of all macports packages broke my ruby project because it uses imagemagick.Thu, 16 Dec 2010 00:00:00 GMThttps://squarism.com/posts/ubuntu-one-true-way/https://squarism.com/posts/ubuntu-one-true-way/Outdated post. I have a One True Way Guide here One True Wayhttps://squarism.hackpad.com/The-One-True-Way-1w4ocgrhUkMWed, 15 Dec 2010 00:00:00 GMThttps://squarism.com/posts/homebrew-behind-a-proxy/https://squarism.com/posts/homebrew-behind-a-proxy/Git doesn't work behind a proxy with homebrew the macports new hotness. Because git:// is blocked at my office. There's a patch herehttps://githuTue, 14 Dec 2010 00:00:00 GMThttps://squarism.com/posts/monty-hall-problem-in-ruby/https://squarism.com/posts/monty-hall-problem-in-ruby/I was reading a thread on stackoverflow about randomness and cryptography security and there was a comment that started me down a series of article...Mon, 13 Dec 2010 00:00:00 GMThttps://squarism.com/posts/server-side-websockets/https://squarism.com/posts/server-side-websockets/Blog post about server side websocketsMon, 13 Dec 2010 00:00:00 GMThttps://squarism.com/posts/debugging-cucumber-and-rails/https://squarism.com/posts/debugging-cucumber-and-rails/Blog post about debugging cucumber and railsMon, 06 Dec 2010 00:00:00 GMThttps://squarism.com/posts/hollywood-security-bs/https://squarism.com/posts/hollywood-security-bs/Blog post about hollywood security bsFri, 03 Dec 2010 00:00:00 GMThttps://squarism.com/posts/geekcation/https://squarism.com/posts/geekcation/Recently, I've resigned from my position to pursue a more flexible and collegiate atmosphere at another company. I'm recklessly optimistic almost a...Thu, 02 Dec 2010 00:00:00 GMThttps://squarism.com/posts/yak-shaving/https://squarism.com/posts/yak-shaving/Blog post about yak shavingSat, 13 Nov 2010 00:00:00 GMThttps://squarism.com/posts/rails-behind-enterprise-sso/https://squarism.com/posts/rails-behind-enterprise-sso/This is a quick write-up without a lot of detail. We hacked together a quick rails app to do provisioning in the style of OIM behind an OAM SSO web...Sat, 06 Nov 2010 00:00:00 GMThttps://squarism.com/posts/rvm-behind-proxy-and-firewall/https://squarism.com/posts/rvm-behind-proxy-and-firewall/Firefox worked, gem install worked, elinks worked and even curl worked. So why isn't RVMhttp://rvm.beginrescueend.com/ able to update?Fri, 05 Nov 2010 00:00:00 GMThttps://squarism.com/posts/alphabet-sequences-with-factorygirl/https://squarism.com/posts/alphabet-sequences-with-factorygirl/Blog post about alphabet sequences with factorygirlFri, 03 Sep 2010 00:00:00 GMThttps://squarism.com/posts/stream-of-thoughthose-elevatorsim/https://squarism.com/posts/stream-of-thoughthose-elevatorsim/Fri, 27 Aug 2010 00:00:00 GMThttps://squarism.com/posts/stream-of-thoughthose-game-store/https://squarism.com/posts/stream-of-thoughthose-game-store/Fri, 27 Aug 2010 00:00:00 GMThttps://squarism.com/posts/technology-knowledge-debt-part-two/https://squarism.com/posts/technology-knowledge-debt-part-two/Knowledge debt is then you don't spend the time to catch up. This is Part Two, discussing common knowledge gaps in technology projects regardless o...Thu, 05 Aug 2010 00:00:00 GMThttps://squarism.com/posts/fit-pc2-and-ubuntu-10-04/https://squarism.com/posts/fit-pc2-and-ubuntu-10-04/Blog post about fit-pc2 and ubuntu 10.04Sat, 10 Jul 2010 00:00:00 GMThttps://squarism.com/posts/fixing-irb-autocompletion-on-osx/https://squarism.com/posts/fixing-irb-autocompletion-on-osx/Using macports version of ruby and irb, I noticed that the lovely and wonderful tab autocompletion wasn't working: $ irb --simple-promptSat, 10 Jul 2010 00:00:00 GMThttps://squarism.com/posts/irb-return-trick/https://squarism.com/posts/irb-return-trick/Irb, like ruby and many other languages, returns things to the left. When you say:Fri, 09 Jul 2010 00:00:00 GMThttps://squarism.com/posts/technology-knowledge-debt-part-one/https://squarism.com/posts/technology-knowledge-debt-part-one/As a follow-up to my previous post/posts/dearth-patterns/ where I psuedo-whined about common knowledge gaps in technologySat, 03 Jul 2010 00:00:00 GMThttps://squarism.com/posts/dearth-patterns/https://squarism.com/posts/dearth-patterns/There seems to be a lack of understanding and experience in the same areas from project to project, company to company and sector to sector. It's n...Mon, 31 May 2010 00:00:00 GMThttps://squarism.com/posts/changing-drobofs-passwords/https://squarism.com/posts/changing-drobofs-passwords/First off, this DroboFS is awesome. However some of the apps are a little thin on the docs and there were a few things I had to figure out.Mon, 24 May 2010 00:00:00 GMThttps://squarism.com/posts/watchr-unit-tests-growl-doomguy/https://squarism.com/posts/watchr-unit-tests-growl-doomguy/Blog post about watchr unit tests + growl + doomguySun, 23 May 2010 00:00:00 GMThttps://squarism.com/posts/downloading-en-mass/https://squarism.com/posts/downloading-en-mass/Blog post about downloading en massSat, 15 May 2010 00:00:00 GMThttps://squarism.com/posts/iphone-developer-activation-problem/https://squarism.com/posts/iphone-developer-activation-problem/Blog post about iphone developer activation problemMon, 10 May 2010 00:00:00 GMThttps://squarism.com/posts/reversing-sentences-with-ruby/https://squarism.com/posts/reversing-sentences-with-ruby/A question came up today about how to reverse a sentence. Word by word, preserving periods etc. I've done stuff like this before but I really saw a...Sat, 01 May 2010 00:00:00 GMThttps://squarism.com/posts/ipaddc-2010/https://squarism.com/posts/ipaddc-2010/Blog post about ipaddc 2010Sat, 17 Apr 2010 00:00:00 GMThttps://squarism.com/posts/how-to-pair-a-bluetooth-keyboard-with-an-ipad/https://squarism.com/posts/how-to-pair-a-bluetooth-keyboard-with-an-ipad/Blog post about how to pair a bluetooth keyboard with an ipadSat, 03 Apr 2010 00:00:00 GMThttps://squarism.com/posts/ipadcolypse/https://squarism.com/posts/ipadcolypse/The Wiff was using the yahoo tv guide free app and wants one. It's got potential as a living room multitasker thingy. I got the 32gb. The 64gb is usSat, 03 Apr 2010 00:00:00 GMThttps://squarism.com/posts/dokuwiki-april-fools-2010/https://squarism.com/posts/dokuwiki-april-fools-2010/Blog post about dokuwiki april fools 2010Thu, 01 Apr 2010 00:00:00 GMThttps://squarism.com/posts/rmagic-imagemagick-snow-leopard-and-ruby-1-9/https://squarism.com/posts/rmagic-imagemagick-snow-leopard-and-ruby-1-9/I ran into a problem that kept me busy over the weekend. It seems that rmagick which is requires for the awesome sparklines projecthttp://nubyonraMon, 08 Mar 2010 00:00:00 GMThttps://squarism.com/posts/goddamn-solaris/https://squarism.com/posts/goddamn-solaris/Blog post about goddamn solarisSat, 06 Mar 2010 00:00:00 GMThttps://squarism.com/posts/arduino-command-protocol/https://squarism.com/posts/arduino-command-protocol/UPDATE: Use CmdMessengerhttp://arduino.cc/playground/Code/CmdMessenger instead of Messenger.Sun, 28 Feb 2010 00:00:00 GMThttps://squarism.com/posts/growl-network-notifications-not-working/https://squarism.com/posts/growl-network-notifications-not-working/Growl's network notifications weren't working. Either sending or receiving. I had two machines that had growl cleanly installed and my main machine...Sat, 27 Feb 2010 00:00:00 GMThttps://squarism.com/posts/basic-555-timer-arduino-project/https://squarism.com/posts/basic-555-timer-arduino-project/I put together the arduino protoshield from sparkfun. Excellent instructions at atomicsaladhttp://www.atomicsalad.com/archive/2010/02/02/tutorial_sSat, 20 Feb 2010 00:00:00 GMThttps://squarism.com/posts/scp-vs-rsync-vs-smb-vs-ftp/https://squarism.com/posts/scp-vs-rsync-vs-smb-vs-ftp/Update: as many have commented, my testing with /dev/zero might be skewing the results. I'll be adding a random DVD iso test soon. I have a newborThu, 11 Feb 2010 00:00:00 GMThttps://squarism.com/posts/subversion-aptitude-error/https://squarism.com/posts/subversion-aptitude-error/I used to have an SVN repository up and running. Then my server crashed. Nothing was really important so I never rebuilt it. However my server backupMon, 08 Feb 2010 00:00:00 GMThttps://squarism.com/posts/ethernet2-arduino-library-fix-on-0017/https://squarism.com/posts/ethernet2-arduino-library-fix-on-0017/Blog post about ethernet2 arduino library fix on 0017Sat, 06 Feb 2010 00:00:00 GMThttps://squarism.com/posts/arduino-sessions/https://squarism.com/posts/arduino-sessions/Blog post about arduino sessionsSat, 23 Jan 2010 00:00:00 GMThttps://squarism.com/posts/cat-logic/https://squarism.com/posts/cat-logic/Charles Petzold's book Codehttp://www.amazon.com/Code-Language-Computer-Hardware-Software/dp/0735611319 is an awesome read. I'm reading it again aSat, 23 Jan 2010 00:00:00 GMThttps://squarism.com/posts/sparkfun-onslaught/https://squarism.com/posts/sparkfun-onslaught/Blog post about sparkfun onslaughtThu, 07 Jan 2010 00:00:00 GMThttps://squarism.com/posts/dataloading-ftw/https://squarism.com/posts/dataloading-ftw/Man. I need to finish this ruby project I started. I've had this RSS loader running on a box since 7/10/2009 and:Thu, 12 Nov 2009 00:00:00 GMThttps://squarism.com/posts/iphonedevcampdc-2009/https://squarism.com/posts/iphonedevcampdc-2009/Blog post about iphonedevcampdc 2009Tue, 11 Aug 2009 00:00:00 GMThttps://squarism.com/posts/when-is-information-correct/https://squarism.com/posts/when-is-information-correct/A wiki is constantly edited. Unlike a document which can have revisions and snapshots in time, a wiki may or may not ever be correct. But hold on. ...Tue, 11 Aug 2009 00:00:00 GMThttps://squarism.com/posts/rails-on-leopard-via-davesouthorg/https://squarism.com/posts/rails-on-leopard-via-davesouthorg/Started a side project on rails, many guides on how to upgrade a Mac. Every OS has it's weirdness. Ubuntu wants to control ruby and the gems. OSX hasSat, 18 Jul 2009 00:00:00 GMThttps://squarism.com/posts/better-tetris-collision-detection/https://squarism.com/posts/better-tetris-collision-detection/Blog post about better tetris collision detectionThu, 09 Jul 2009 00:00:00 GMThttps://squarism.com/posts/making-tatris/https://squarism.com/posts/making-tatris/!tatris_03/uploads/2009/04/tatris_03.pngMon, 22 Jun 2009 00:00:00 GMThttps://squarism.com/posts/elevator-sim-update/https://squarism.com/posts/elevator-sim-update/Blog post about elevator sim updateSun, 21 Jun 2009 00:00:00 GMThttps://squarism.com/posts/parallax-clouds/https://squarism.com/posts/parallax-clouds/Blog post about parallax cloudsWed, 06 May 2009 00:00:00 GMThttps://squarism.com/posts/stanford-iphone-class-on-itunes-u/https://squarism.com/posts/stanford-iphone-class-on-itunes-u/Blog post about stanford iphone class on itunes uSat, 02 May 2009 00:00:00 GMThttps://squarism.com/posts/elevator-sim-wip/https://squarism.com/posts/elevator-sim-wip/Blog post about elevator sim [wip]Sun, 26 Apr 2009 00:00:00 GMThttps://squarism.com/posts/reading-style-tween-test/https://squarism.com/posts/reading-style-tween-test/Blog post about reading style tween testSat, 18 Apr 2009 00:00:00 GMThttps://squarism.com/posts/opencv-in-eclipse/https://squarism.com/posts/opencv-in-eclipse/I was getting a weird runtime error about native library something in Eclipse while messing around with OpenCV using Processing.org. !!! library OpSun, 05 Apr 2009 00:00:00 GMThttps://squarism.com/posts/triangle-building/https://squarism.com/posts/triangle-building/Blog post about triangle buildingFri, 03 Apr 2009 00:00:00 GMThttps://squarism.com/posts/square-tracing/https://squarism.com/posts/square-tracing/Blog post about square tracingWed, 11 Mar 2009 00:00:00 GMThttps://squarism.com/posts/boom-threads/https://squarism.com/posts/boom-threads/Blog post about boom threadsTue, 10 Mar 2009 00:00:00 GMThttps://squarism.com/posts/facebook-arduino-lamp/https://squarism.com/posts/facebook-arduino-lamp/Blog post about facebook arduino lampTue, 17 Feb 2009 00:00:00 GMThttps://squarism.com/posts/awk-process-shows-up-every-night/https://squarism.com/posts/awk-process-shows-up-every-night/We had a weird problem at work towards the end of a java development / identity management project turn up. The symptom was every night, an awk pro...Wed, 08 Oct 2008 00:00:00 GMThttps://squarism.com/posts/linked/https://squarism.com/posts/linked/I just finished a book called Linkedhttp://www.amazon.com/Linked-Everything-Connected-Else-Means/dp/0452284392/ref=pd_bbs_1?ie=UTF8&s=books&sr=8-1Tue, 25 Mar 2008 00:00:00 GMThttps://squarism.com/posts/scroll-lock-button-on-osx/https://squarism.com/posts/scroll-lock-button-on-osx/Here's an esoteric fix for something I wanted to do. In a certain game, right click will move the camera. For some reason, when hosting synergy on ...Wed, 12 Mar 2008 00:00:00 GMThttps://squarism.com/posts/synergy2-mouse-centering/https://squarism.com/posts/synergy2-mouse-centering/Synergy is a great tool for sharing multiple screens reverse KVM but for some reason lately I've noticed that if I'm physically on the center screenThu, 04 Oct 2007 00:00:00 GMThttps://squarism.com/posts/ports-being-weird/https://squarism.com/posts/ports-being-weird/When I typed port, portmirror or anything related to darwinports macports, I got a strange error with no google hits.Sun, 12 Aug 2007 00:00:00 GMThttps://squarism.com/posts/fink-osx/https://squarism.com/posts/fink-osx/Sat, 12 May 2007 00:00:00 GMThttps://squarism.com/posts/freedom-systems-vs-safety-systems/https://squarism.com/posts/freedom-systems-vs-safety-systems/Code Craft had an extremely intuitive posthttp://codecraft.info/index.php/archives/20/ about Freedom Languages vs Safety Languages. He covered whaMon, 23 Apr 2007 00:00:00 GMThttps://squarism.com/posts/parabola/https://squarism.com/posts/parabola/Blog post about parabolaSun, 15 Apr 2007 00:00:00 GMThttps://squarism.com/posts/macbill-intel/https://squarism.com/posts/macbill-intel/update: this binary build is long goneThu, 12 Apr 2007 00:00:00 GMThttps://squarism.com/posts/upgrade-fest/https://squarism.com/posts/upgrade-fest/Following an upgrade guidehttp://www.gentoo.org/doc/en/gcc-upgrading.xml on gentoo's lovely doc site. GCC was majorly out of date 3.3 to 4.1.1 aTue, 10 Apr 2007 00:00:00 GMThttps://squarism.com/posts/lstat-test/https://squarism.com/posts/lstat-test/Following an interview question that was extremely hard I went to man lstat' and tried to code up a test just based on system documentation. It was nTue, 10 Apr 2007 00:00:00 GMThttps://squarism.com/posts/animated-box/https://squarism.com/posts/animated-box/I'm very, very early on in the effort of this graphics/game test. But essentially I wanted to write down where I'm at with Xcode, OpenGL and learningSun, 01 Apr 2007 00:00:00 GMThttps://squarism.com/posts/chapter-4/https://squarism.com/posts/chapter-4/Going through the Oreilly book _Practical C++ Programming_, which may be an arguable title, and I'm just trying to go through all of the examples andSun, 21 Jan 2007 00:00:00 GMThttps://squarism.com/posts/old-email-syntax/https://squarism.com/posts/old-email-syntax/I ran into a 1994 post from Jeff Liebermannhttp://www.42inc.com/~estephen/humor/support.txt, very funny, very interesting read because he's rantinThu, 04 Jan 2007 00:00:00 GMThttps://squarism.com/posts/gentoo-20060/https://squarism.com/posts/gentoo-20060/Blog post about gentoo 2006.0 installer screenshotsFri, 03 Mar 2006 00:00:00 GMThttps://squarism.com/posts/ruby-x-succ/https://squarism.com/posts/ruby-x-succ/Blog post about x.succFri, 03 Mar 2006 00:00:00 GMThttps://squarism.com/posts/swat/https://squarism.com/posts/swat/Blog post about swatFri, 03 Mar 2006 00:00:00 GMThttps://squarism.com/posts/dave-thomas-on-rails/https://squarism.com/posts/dave-thomas-on-rails/!dave_thomas.jpg/wp-content/photos/dave_thomas-thumb.jpgSat, 19 Nov 2005 00:00:00 GMThttps://squarism.com/posts/a-courier4-upgrade-snag/https://squarism.com/posts/a-courier4-upgrade-snag/I ran into a weird error with Thunderbird. When I would reply to all in an email, some people were CC'd. When I hit send, I got a relay error. I re...Tue, 15 Nov 2005 00:00:00 GMThttps://squarism.com/posts/strip-off-tabs-in-vim/https://squarism.com/posts/strip-off-tabs-in-vim/When you paste a block of text into a Putty window, many times you'll get an increasing number of leading tabs. Not so if you use gnome-terminal IIRCThu, 22 Sep 2005 00:00:00 GMThttps://squarism.com/posts/data-structures-book/https://squarism.com/posts/data-structures-book/On a slashdot thread I was discussing whether I should roll my own data structure or try to use one of the many, many Sun data structures.Mon, 19 Sep 2005 00:00:00 GMThttps://squarism.com/posts/verifying-an-ssh-key-fingerprint/https://squarism.com/posts/verifying-an-ssh-key-fingerprint/I'm sure you have seen something like this when you have connected to a ssh host.Thu, 25 Aug 2005 00:00:00 GMThttps://squarism.com/posts/e15k-and-cosmic-rays/https://squarism.com/posts/e15k-and-cosmic-rays/No joke. Here's a snippet out of an E15k manual.Tue, 16 Aug 2005 00:00:00 GMThttps://squarism.com/posts/spring-framework/https://squarism.com/posts/spring-framework/Researching this Spring Frameworkhttp://www.theserverside.com/articles/article.tss?l=SpringFramework. Most interesting so far is it's touting of bThu, 04 Aug 2005 00:00:00 GMThttps://squarism.com/posts/emerging-gnome-2101/https://squarism.com/posts/emerging-gnome-2101/I've updated Gnome 2.8 to 2.10 on two other boxes. The third box which may have had lots of unstable packages on it is complaining. When I emerge gWed, 22 Jun 2005 00:00:00 GMThttps://squarism.com/posts/gnome-210-best-ever/https://squarism.com/posts/gnome-210-best-ever/Tue, 21 Jun 2005 00:00:00 GMThttps://squarism.com/posts/why-arent-you-running-gentoo/https://squarism.com/posts/why-arent-you-running-gentoo/emerge world updates every package you have to the latest version that's available via source. Read on for a screendump of tastiness.Tue, 14 Dec 2004 00:00:00 GMThttps://squarism.com/posts/solaris-904-and-veritas-kernel-panic/https://squarism.com/posts/solaris-904-and-veritas-kernel-panic/Over a weekend I had the fun task of rebuilding two Sun Cluster hosts as standalone servers Sun Cluster wasn't great for us. I rebuilt one box and nMon, 13 Dec 2004 00:00:00 GMThttps://squarism.com/posts/distcc-is-cool/https://squarism.com/posts/distcc-is-cool/Distcchttp://distcc.samba.org/ is a distributed C/C++ compiler. You can easily use a bunch of machines' power to compile stuff. The setup isn't baThu, 18 Nov 2004 00:00:00 GMThttps://squarism.com/posts/useful-crontab-header/https://squarism.com/posts/useful-crontab-header/Blog post about useful crontab headerFri, 12 Nov 2004 00:00:00 GMThttps://squarism.com/posts/software-raid5-is-no-good/https://squarism.com/posts/software-raid5-is-no-good/Set up a 2.6TB raid5 volume using A5200s and a 2x450mhz E220R. Shared it using samba3. Saw that network copies were horrible to it. This is the out...Mon, 08 Nov 2004 00:00:00 GMThttps://squarism.com/posts/some-opengl-progress/https://squarism.com/posts/some-opengl-progress/I finally got the FTGL library built. It was quite annoying to do. In the end, I had a libfreetype.a file looks like an assembly binary and a libftgMon, 08 Nov 2004 00:00:00 GMThttps://squarism.com/posts/sorta-got-owned/https://squarism.com/posts/sorta-got-owned//tmp is writable for the apache user. Someone exploited some bad code and uploaded an IRC bot on Aug 09. It's not running now and we did a test to ...Thu, 04 Nov 2004 00:00:00 GMThttps://squarism.com/posts/getting-around-or-through-a-restrictive-firewall/https://squarism.com/posts/getting-around-or-through-a-restrictive-firewall/If you have a SSH account someplace outside of your locked down network, try safe passagehttp://www.vastrange.com/.Fri, 29 Oct 2004 00:00:00 GMThttps://squarism.com/posts/gnome-terminal-cpu-utilization-fixed/https://squarism.com/posts/gnome-terminal-cpu-utilization-fixed/All of a sudden, gnome-terminal on Fedora core 2 was acting really strange. It was slow to open, slow to type, slow to close. Found a bug dochttp:/Mon, 25 Oct 2004 00:00:00 GMThttps://squarism.com/posts/using-sed-to-manipulate-ctd-type-strings-from-solaris/https://squarism.com/posts/using-sed-to-manipulate-ctd-type-strings-from-solaris/This is a very specific example. I found this tricky because regular expressions in sed http://www.student.northpark.edu/pemente/sed/sed1line.txtiFri, 22 Oct 2004 00:00:00 GMThttps://squarism.com/posts/more-on-samba-winbind-on-solaris/https://squarism.com/posts/more-on-samba-winbind-on-solaris/Here's how you can get the samba home directories to be created on the fly:Wed, 06 Oct 2004 00:00:00 GMThttps://squarism.com/posts/samba-winbind-and-solaris/https://squarism.com/posts/samba-winbind-and-solaris/A repost of Naag Mummaneni's winbind-on-Solaris HOWTO from the samba-docs list, kept here because it was hard to find.Fri, 01 Oct 2004 00:00:00 GMThttps://squarism.com/posts/samba3-winbind-and-active-directory-how-it-looks-when-its-done/https://squarism.com/posts/samba3-winbind-and-active-directory-how-it-looks-when-its-done/There is lots of community information about how to setup winbind and Samba3 to move your ix box towards a single sign on paradigm, but not much abThu, 30 Sep 2004 00:00:00 GMThttps://squarism.com/posts/using-gcj-under-gentoo/https://squarism.com/posts/using-gcj-under-gentoo/If you follow the instructions off of gentoo's website they are very good instructions for x86 on 2004.1 then you end up with a system that doesn'tTue, 01 Jun 2004 00:00:00 GMThttps://squarism.com/posts/using-perl-instead-of-awk-or-sed/https://squarism.com/posts/using-perl-instead-of-awk-or-sed/You want to use Perl to process things on the command line but you don't want to write/save a file. You want to replace sed with something more clu...Wed, 07 Apr 2004 00:00:00 GMThttps://squarism.com/posts/finding-busy-disks-with-iostat-and-awk/https://squarism.com/posts/finding-busy-disks-with-iostat-and-awk/So you want to find busy disks in solaris? Maybe you want a quick iostat summary? Need an easier way to find slow disks? Getting percent busy info ...Mon, 05 Apr 2004 00:00:00 GMThttps://squarism.com/posts/an-example-mdtab-on-an-e450/https://squarism.com/posts/an-example-mdtab-on-an-e450/The E450 has a potential of 20 internal disks, none of them labeled in any particular order ctd numbers and it was a pain to configure most of themWed, 31 Mar 2004 00:00:00 GMThttps://squarism.com/posts/kontiki-trojan-virus-in-disguise/https://squarism.com/posts/kontiki-trojan-virus-in-disguise/At work a while back, we had hundreds of K of ICMP going to our router and we couldn't figure out why. We threw a sniiffer on our network and take ...Wed, 31 Mar 2004 00:00:00 GMThttps://squarism.com/posts/siloed-in-our-interests/https://squarism.com/posts/siloed-in-our-interests/More and more people are getting on the web. More and more people are gaining experience with computers. We have not seen yet what people with 30 y...Sun, 21 Mar 2004 00:00:00 GMThttps://squarism.com/posts/tg3-problem-and-resolution-on-poweredge-2650/https://squarism.com/posts/tg3-problem-and-resolution-on-poweredge-2650/I had a flaky network problem where high loads fast downloads from tux.org or sun.com would cause a hang or complete drop of all network connectionsWed, 17 Mar 2004 00:00:00 GMThttps://squarism.com/posts/installing-beos-5-max-edition-on-virtual-pc-2004/https://squarism.com/posts/installing-beos-5-max-edition-on-virtual-pc-2004/_Logging what I'm doing._Sun, 25 Jan 2004 00:00:00 GMThttps://squarism.com/posts/swt-eclipse-and-os-x-problems/https://squarism.com/posts/swt-eclipse-and-os-x-problems/Following a hello world tutorial, I got stuck on this error:Sat, 17 Jan 2004 00:00:00 GMThttps://squarism.com/posts/login-delay-in-proftpd-fix-reverse-lookups/https://squarism.com/posts/login-delay-in-proftpd-fix-reverse-lookups/So you've tried everything to get rid of the login delay to ProFTPd. You've configured ProFTPd over and over again but it still doesn't work?! You'reFri, 16 Jan 2004 00:00:00 GMThttps://squarism.com/posts/my-osx-103-review/https://squarism.com/posts/my-osx-103-review/After starting with a 386 back in 1990 and moving to Linux/Solaris professionally, I decided to jump into OSX when a requirement for a laptop came upMon, 12 Jan 2004 00:00:00 GMThttps://squarism.com/posts/pictures-of-ipod-under-linux/https://squarism.com/posts/pictures-of-ipod-under-linux/Got an iPod for Xmas. Santa deserves a Nobel Prize.Sun, 28 Dec 2003 00:00:00 GMThttps://squarism.com/posts/world-population-web-service/https://squarism.com/posts/world-population-web-service/Found this http://www.abundanttech.com/webservices/population/population.asmx/getWorldPopulationand I'm sure it's old news to anyone who's used soFri, 17 Oct 2003 00:00:00 GMThttps://squarism.com/posts/example-disk-suite-configuration-mdtab/https://squarism.com/posts/example-disk-suite-configuration-mdtab/An example of mirroring the root disks with DiskSuite on Solaris 9. Step by step instructions on how to mirror 2 internal root disks with the bundledWed, 24 Sep 2003 00:00:00 GMThttps://squarism.com/posts/upgrading-eclipse/https://squarism.com/posts/upgrading-eclipse/Nothing notable, just trying to get Eclipse3.0M3 to work with Lomboz, new version of JBoss and importing all my old projects. Lomboz was really flakyFri, 12 Sep 2003 00:00:00 GMThttps://squarism.com/posts/redhat-80-to-90-upgrade/https://squarism.com/posts/redhat-80-to-90-upgrade/I started this install log because I thought upgrading to 9.0 would be a serious pain in the neck. It turns out it went very smoothly and there'sSat, 03 May 2003 00:00:00 GMThttps://squarism.com/posts/made-useful-buildxml-file-for-use-with-ant/https://squarism.com/posts/made-useful-buildxml-file-for-use-with-ant/The following build.xml file has a few targets that make compiling a project much simplier. Read on for more details.Mon, 21 Apr 2003 00:00:00 GMThttps://squarism.com/posts/a-nice-bash-prompt/https://squarism.com/posts/a-nice-bash-prompt/Throw this into your /etc/bashrc for all users to pick up this more interesting bash prompt. If you just want to test it out on a single user's pro...Sun, 20 Apr 2003 00:00:00 GMThttps://squarism.com/posts/misc-hackings/https://squarism.com/posts/misc-hackings/Played around with Opera 7.1http://www.opera.com/graphics/docs/screenshots/opera-7-linux.png. Very nice rendering, but a little buggy. Horrible maSun, 13 Apr 2003 00:00:00 GMThttps://squarism.com/posts/10-friggin-useful-linux-tips/https://squarism.com/posts/10-friggin-useful-linux-tips/A friggin run through 10 really friggin useful friggin Linux tips.Wed, 09 Apr 2003 00:00:00 GMThttps://squarism.com/posts/displaying-largest-subdirectories-in-linux/https://squarism.com/posts/displaying-largest-subdirectories-in-linux/A quick script that can be triggered to email administrators ie: using nagios the largest subdirectories from a parent directory. Can also simply prTue, 25 Mar 2003 00:00:00 GMThttps://squarism.com/posts/lvs-how-to/https://squarism.com/posts/lvs-how-to/Building a Linux Virtual Server cluster in 2003 on RedHat 7.2: kickstart to build nodes, NAT on the director, a patched 2.2 kernel, and ipvsadm to balance HTTP. Compressed from the original guide.Wed, 19 Mar 2003 00:00:00 GMThttps://squarism.com/posts/authenticating-nagios-on-apache-against-an-active-directory-domain/https://squarism.com/posts/authenticating-nagios-on-apache-against-an-active-directory-domain/In a world of multiple systems, a person wants to avoid unnecessary logins. I ran into the problem of setting up a web application where I didn't w...Tue, 04 Mar 2003 00:00:00 GMThttps://squarism.com/posts/proftp/https://squarism.com/posts/proftp/I removed the unwieldly wu-ftp stuff from the server today wieldiness is proportional to my own knowledge and replaced it with the ever promising PTue, 18 Feb 2003 00:00:00 GMThttps://squarism.com/posts/acronym-java-project/https://squarism.com/posts/acronym-java-project/A 2003 attempt to write a J2EE web app from scratch, without Struts, as a way to learn Java. Eight dev log posts from that year compressed into one summary.Mon, 17 Feb 2003 00:00:00 GMT