Today I Learned

Chrome

Duplicating a tab in Chrome with a shortcut
2020-11-29

Bear

Bear keyboard tricks you might not know
2020-11-14
Writing Bear templates with Automator and Ruby
2020-09-20

Development

Reproducing a bug in the lowest test level possible
2021-04-25
Keeping a folder of snippets
2020-11-29
Summoning the editor from the console
2020-06-08
Commenting your own pull requests when requesting a review
2019-05-03
Enabling HSTORE column in Postgres on Travis
2017-10-02

Ember

Resetting scroll in Ember
2017-03-11
Using Ember's element ID helper
2016-12-08
Debugging Ember
2015-08-29

Git

Sorting git branches by the last commit date
2020-06-12
Using Git pre-push hook for linting
2020-05-07
Using git stash to test the bug fix
2019-07-19
Git diff algorithm options
2019-02-03
Git diff tips and tricks
2016-10-08
Git stash is awesome
2012-01-16

Github

Comparing branches on Github
2020-04-21
Shorten Github link from the command line
2019-03-12

Javascript

Updating indirect dependencies with Yarn
2020-04-22
Enforcing strong parameters
2018-12-19

Jekyll

Listing categories of Jekyll collection
2020-04-20
Building emphasized code blocks in Jekyll
2020-01-10
Adding a hidden collection in Jekyll
2018-12-18

Rails

Stopping Spring from using 100% CPU
2021-01-30
Running parallel Rails tests on Github Actions
2021-01-22
Mind the transaction
2020-12-26
Testing migrations from sandboxed Rails console
2020-04-21
Running parallel Rails tests on Heroku CI
2020-02-24
Building pagination from scratch
2019-11-27
Filtering records with endless ranges
2019-04-11
Faster database resets
2018-12-18
Using edge Rails locally
2012-04-03
Insane can't find executable Rails for Rails error
2012-02-17
Debugging ActiveRecord queries in a Rails console
2012-01-19

React

From class components to function components with hooks
2019-02-19

Roam

Resurfacing notes in Roam
2022-01-12

Ruby

Compiling latest Ruby from scratch with chruby
2020-03-01
Refactoring a large case statement
2019-02-03
Refactoring with simple polymorphism
2019-02-02
Mocking class methods using Minitest
2018-12-21
Fixing 'ld: warning: directory not found for option'
2017-01-27
Forwardable explained
2012-05-12
Uninitialized class variable @@current_spec in Minitest
2012-04-30
Autotest and RSpec problems
2012-01-29
Hello world in Sinatra
2012-01-26
Ruby! Y U SO BEAUTIFUL?
2011-11-20

Stimulus

Testing Stimulus
2019-01-19

Tmux

Resizing panes in tmux with a shortcut
2019-02-02

Unix

Opening the last migration
2020-05-07
Encrypting and decrypting a folder
2020-04-21
Stopping the fans with a script
2019-11-19
Pretty formatting JSON
2019-01-21

Vim

Opening lines from the log file with Vim
2020-10-25
Writing custom Vim template
2020-05-08
Writing custom Vim snippets
2020-05-08
Pretty formatting JSON in Vim
2019-01-26
Making HTTP requests from Vim
2019-01-26
Stop clearing screen when suspending from Vim
2013-09-10