By default bin/rails action_text:install will generate migrations with integer primary keys for the record_id. If your parent model has a uuid primary key, you will likely end up with a PG::UniqueViolation: ERROR:  duplicate key value violates unique constraint "index_

ffmpeg -i input.mp4 -crf=20 -vf 'split[original][copy];[copy]scale=ih*16/9:-1,crop=h=iw*9/16,gblur=sigma=80,eq=saturation=0.9[background];[background][original]overlay=(main_w-overlay_w)/2:(main_h-overlay_h)/2' output.mp4 Takes input.

These are my personal notes about setting up an X1 Carbon for use as a linux dev machine. Thinkpad X1 Carbon Gen 7 Ubuntu 19.10 i3wm 4.16.1 Initial setup sudo apt install i3 Log out, select i3 from gear menu and

Here's a quick zsh function that will test for CORS using curl. # Test URL for CORS headers # # Usage: test-cors $file $method $origin # # Examples: # test-cors https://example.com/file.png # test-cors https://example.com/file.png POST # test-cors https://example.com/file.png POST https:

Docker enables developers to experiment with new languages without leaving any lasting effects or cruft on our machines. To encourage other developers to try Phoenix & Elixir, below are instructions to get up and running with Phoenix on Docker in just a few minutes.

This can occur when trying to sign a new iOS app when an entitlements file doesn't exist, or the application name has been changed. Go into "Capabilities" and toggle iCloud on, then off. This will create or update the entitlements file. Rebuild

So, what is Mosh? It's an SSH replacement that helps with bad connections (ever tried to SSH into something in the passenger seat of a car?) and allows you to persist connections (close your laptop at work and resume it at home without losing

I recently got the following error when loading a new tmux session: nvm is not compatible with the npm config "prefix" option: currently set to "/usr/local" Run `npm config delete prefix` or `nvm use --delete-prefix v8.12.0 --silent`

When creating a new window or pane in tmux the path will be set to ~/ by default. You can rebind the keys to make the new window or pane open with the current path: # .tmux.conf bind '"' split-window -c "#{pane_

I used the built-in iOS screen recording (available on >= iOS 11) and had audio playback issues after transferring the mp4 file to my computer. I recorded my voiceover with the built-in mic (enabled by force-pressing/long-tapping the icon in control center). After transferring

Server OS: Ubuntu 16.04.3 NFS can be a bit quirky, but I needed to use it recently in a local development environment. I ran into a few issues connecting from MacOS that I do not usually with Linux-only client/server connections. NFSv4

Update (1/21/18): I have recently started using a 2017 iMac Pro with the custom Apple T2 SSD controller. Since the libaio engine is not available to MacOS, I used the default ioengine=sync for the cross-platform benchmark. As far as I can

Tmux added 24-bit color support in version 2.3. However, the Tmux available in the Ubuntu 16.04 package manager is 2.1 as of October 2017. You can also read my post covering the steps to compile Vim 8.x on Ubuntu 16.

9/10/19 NOTE: While much of this should still work, this guide is quite old at this point. See an updated guide on how to run Phoenix on Docker. Docker: 17.03 (Docker for Mac) Docker Compose: 1.11.2 Ember: 2.12.

Last Updated: 10/23/17 OS: Ubuntu 16.04 I ran into some issues while attempting to install the Atom One Dark theme for vim. The vim currently available in apt-get on 16.04 is 7.4.1689, a version predating the addition of

My preferred shell is zsh with Oh My Zsh. After using the default theme for years, I recently switched to a more involved setup. Here is an image of my current prompt: This theme uses the following projects: bhilburn/powerlevel9k powerline/fonts nathanbuchar/atom-one-dark-terminal

Date: 8/19/16 Ubuntu: 16.04 Gitlab: 8.10.5 This guide borrows heavily from https://webnugget.de/setting-up-gitlab-with-free-ssl-certs-from-lets-encrypt-on-ubuntu-14-04/ and has been updated as needed. This guide also assumes an existing and working Gitlab install. Install Let's Encrypt Level up to root (we

I ran across an issue today where my npm install was failing with a cryptic 'killed' error. I knew the issue was probably due to RAM pressure as I was running on a Digital Ocean 512MB droplet. Instead of upgrading the droplet to 1GB