https://gunnariauvinen.com/ Gunnari Auvinen is a principal software engineer based in Cambridge, MA. I write about software engineering — distributed systems, developer tooling, and the craft of building reliable software. en https://gunnariauvinen.com/posts/building-whose-bet-cashes/ https://gunnariauvinen.com/posts/building-whose-bet-cashes/ Mon, 20 Jul 2026 18:00:00 GMT How I built whosebetcashes.com, a site that grades every betting pick made on seven sports talk shows, then buys five years of closing lines to find out who is actually sharp and who is just loud. https://gunnariauvinen.com/posts/building-days-since-last/ https://gunnariauvinen.com/posts/building-days-since-last/ Wed, 10 Jun 2026 09:30:00 GMT How I built dayssincelast.app, a site with live-ticking championship drought counters for every team in American sports, using Astro, a seven-segment font, and zero sports APIs. https://gunnariauvinen.com/posts/print-emojis-to-the-terminal-in-c/ https://gunnariauvinen.com/posts/print-emojis-to-the-terminal-in-c/ Mon, 19 Apr 2021 10:42:03 GMT How to print emojis to the terminal in C. https://gunnariauvinen.com/posts/using-a-monospace-font-and-vim-keybindings-in-obsidian/ https://gunnariauvinen.com/posts/using-a-monospace-font-and-vim-keybindings-in-obsidian/ Thu, 25 Mar 2021 10:42:03 GMT How to use a monospace font and Vim keybindings in Obsidian. https://gunnariauvinen.com/posts/change-blog-post-folder-name-structure-in-gatsbyjs-starter-blog/ https://gunnariauvinen.com/posts/change-blog-post-folder-name-structure-in-gatsbyjs-starter-blog/ Sun, 16 Sep 2018 01:19:34 GMT Learn how to change the blog post folder name structure in the GatsbyJS v2 start blog. https://gunnariauvinen.com/posts/transitioning-to-new-gatsbyjs-blog/ https://gunnariauvinen.com/posts/transitioning-to-new-gatsbyjs-blog/ Fri, 31 Aug 2018 01:19:34 GMT Updating my personal website to use GatsbyJS. https://gunnariauvinen.com/posts/markdown-editing-in-vs-code/ https://gunnariauvinen.com/posts/markdown-editing-in-vs-code/ Mon, 27 Nov 2017 10:42:03 GMT How to edit markdown in VS Code. https://gunnariauvinen.com/posts/debugging-react-native-and-redux-with-react-native-debugger/ https://gunnariauvinen.com/posts/debugging-react-native-and-redux-with-react-native-debugger/ Fri, 24 Nov 2017 10:42:03 GMT How to debug React Native and Redux by using React Native Debugger. https://gunnariauvinen.com/posts/adding-ios-device-to-apple-developer-account-through-xcode/ https://gunnariauvinen.com/posts/adding-ios-device-to-apple-developer-account-through-xcode/ Fri, 24 Apr 2015 10:42:03 GMT How to add iOS device to Apple developer account through Xcode. https://gunnariauvinen.com/posts/fixing-react-native-error-watcher-took-too-long-to-load/ https://gunnariauvinen.com/posts/fixing-react-native-error-watcher-took-too-long-to-load/ Thu, 23 Apr 2015 10:42:03 GMT How to fix React Native 'ERROR Watcher took too long to load.' https://gunnariauvinen.com/posts/getting-es6-syntax-highlighting-in-sublime-text/ https://gunnariauvinen.com/posts/getting-es6-syntax-highlighting-in-sublime-text/ Wed, 22 Apr 2015 10:42:03 GMT How to get React and ES6 syntax highlighting to work in Sublime Text. https://gunnariauvinen.com/posts/taking-tuxedojs-from-feature-list-to-feature-complete-framework/ https://gunnariauvinen.com/posts/taking-tuxedojs-from-feature-list-to-feature-complete-framework/ Sat, 14 Feb 2015 10:42:03 GMT Taking TuxedoJS from feature list to feature complete framework. https://gunnariauvinen.com/posts/identifying-pain-points-in-react-and-flux/ https://gunnariauvinen.com/posts/identifying-pain-points-in-react-and-flux/ Fri, 13 Feb 2015 10:42:03 GMT Identifying pain points in React and Flux, and determining initial TuxedoJS feature list. https://gunnariauvinen.com/posts/how-to-undo-a-git-rebase-and-recover-hours-of-work/ https://gunnariauvinen.com/posts/how-to-undo-a-git-rebase-and-recover-hours-of-work/ Thu, 12 Feb 2015 10:42:03 GMT How to undo a git rebase. https://gunnariauvinen.com/posts/why-make-a-framework-on-react-and-flux/ https://gunnariauvinen.com/posts/why-make-a-framework-on-react-and-flux/ Mon, 02 Feb 2015 10:42:03 GMT Why my Hack Reactor Remote Beta teammates and I decided to make the TuxedoJS framework. https://gunnariauvinen.com/posts/review-of-hack-reactor-remote-beta-2-experience/ https://gunnariauvinen.com/posts/review-of-hack-reactor-remote-beta-2-experience/ Fri, 30 Jan 2015 10:42:03 GMT The review of my Hack Reactor Remote Beta 2 experience. https://gunnariauvinen.com/posts/listing-all-branches-from-remote-git-repository/ https://gunnariauvinen.com/posts/listing-all-branches-from-remote-git-repository/ Mon, 12 Jan 2015 10:42:03 GMT How to list all the branches from remote git repositories. https://gunnariauvinen.com/posts/how-to-setup-disqus-comments-on-ghost/ https://gunnariauvinen.com/posts/how-to-setup-disqus-comments-on-ghost/ Sun, 11 Jan 2015 10:42:03 GMT How to Setup Disqus Comments on Ghost. https://gunnariauvinen.com/posts/how-to-configure-custom-domain-name-from-gandi-on-an-azure-website/ https://gunnariauvinen.com/posts/how-to-configure-custom-domain-name-from-gandi-on-an-azure-website/ Sat, 10 Jan 2015 10:42:03 GMT How to Setup a Custom Domain Name Registered With Gandi on an Azure Website. https://gunnariauvinen.com/posts/how-to-use-git-rebase-i-to-combine-first-two-commits-in-a-git-repository/ https://gunnariauvinen.com/posts/how-to-use-git-rebase-i-to-combine-first-two-commits-in-a-git-repository/ Wed, 07 Jan 2015 10:42:03 GMT How to use git rebase -i to combine first two commits in a git repository. https://gunnariauvinen.com/posts/transition-to-ghost-blogging-platform/ https://gunnariauvinen.com/posts/transition-to-ghost-blogging-platform/ Mon, 29 Dec 2014 10:42:03 GMT Why I transitioned my blog from Jekyll to Ghost. https://gunnariauvinen.com/posts/what-do-the-tilde-carrot-and-asterick-mean-in-package-dot-json/ https://gunnariauvinen.com/posts/what-do-the-tilde-carrot-and-asterick-mean-in-package-dot-json/ Fri, 12 Dec 2014 10:42:03 GMT My explanation of what the ~, ^, and * mean in a package.json file. https://gunnariauvinen.com/posts/what-is-semantic-versioning/ https://gunnariauvinen.com/posts/what-is-semantic-versioning/ Thu, 11 Dec 2014 10:42:03 GMT An exploration of semantic versioning in software and why it should be used. https://gunnariauvinen.com/posts/using-source-maps-with-coffeescript/ https://gunnariauvinen.com/posts/using-source-maps-with-coffeescript/ Sun, 30 Nov 2014 10:42:03 GMT How to use source maps for CoffeeScript in Chrome's dev tools. https://gunnariauvinen.com/posts/reverse-searching-terminal-command/ https://gunnariauvinen.com/posts/reverse-searching-terminal-command/ Mon, 17 Nov 2014 10:42:03 GMT What is reverse index searching in the terminal and why you'd want to use it. https://gunnariauvinen.com/posts/call-vs-apply-in-javascript/ https://gunnariauvinen.com/posts/call-vs-apply-in-javascript/ Thu, 13 Nov 2014 10:42:03 GMT How to use call and apply in JavaScript. https://gunnariauvinen.com/posts/concat-vs-push-in-javascript/ https://gunnariauvinen.com/posts/concat-vs-push-in-javascript/ Mon, 10 Nov 2014 10:42:03 GMT Comparing the differences between concat and push in JavaScript. https://gunnariauvinen.com/posts/iterm2-and-oh-my-zsh-setup/ https://gunnariauvinen.com/posts/iterm2-and-oh-my-zsh-setup/ Sun, 05 Oct 2014 10:42:03 GMT How to set up iTerm2, zsh, and oh-my-zsh https://gunnariauvinen.com/posts/first-day-back-in-school/ https://gunnariauvinen.com/posts/first-day-back-in-school/ Mon, 14 Jul 2014 10:42:03 GMT Reflecting on my first day back in school when I attended Dev Bootcamp. https://gunnariauvinen.com/posts/ask-a-great-question-to-get-a-great-answer/ https://gunnariauvinen.com/posts/ask-a-great-question-to-get-a-great-answer/ Fri, 11 Jul 2014 10:42:03 GMT How to ask a great question to get a great answer on Stack Overflow or at work. https://gunnariauvinen.com/posts/blocks-and-procs-and-lambdas-oh-my/ https://gunnariauvinen.com/posts/blocks-and-procs-and-lambdas-oh-my/ Sun, 22 Jun 2014 10:42:03 GMT How to use procs, blocks, lambdas, and closures in Ruby. https://gunnariauvinen.com/posts/ruby-classes/ https://gunnariauvinen.com/posts/ruby-classes/ Sun, 15 Jun 2014 10:42:03 GMT An examination of how classes work in Ruby. https://gunnariauvinen.com/posts/pairing-is-caring/ https://gunnariauvinen.com/posts/pairing-is-caring/ Sat, 14 Jun 2014 10:42:03 GMT Discussing my experiences with pair programming while at Dev Bootcamp (DBC). https://gunnariauvinen.com/posts/ruby-methods/ https://gunnariauvinen.com/posts/ruby-methods/ Sun, 08 Jun 2014 10:42:03 GMT Looking at Ruby's group_by method to handle arrays and hahes with some examples. https://gunnariauvinen.com/posts/javascript-in-web-development/ https://gunnariauvinen.com/posts/javascript-in-web-development/ Sun, 01 Jun 2014 10:42:03 GMT An examination of JavaScript and its uses in web development.