TIL: Today I Learned

Quick posts, with little context, that deliver excellent value

Recently added: Understanding .gitignore with `git check-ignore`, Using `array.map` with `async/await`, Show untracked files with `git status`, `array.filter` with `async/await`, A better `git blame` with `--ignore-rev`

ansible

• Cowsay and Ansible  - 2014-05-03
• Setting up Ansible for hacking  - 2014-04-19
• Ansible: module is missing interpreter line  - 2014-04-03
• Installing Ansible from source on Ubuntu  - 2014-04-03
• Ansible: Installing Google Chrome on Ubuntu  - 2014-03-09
• ansible: ImportError: No module named ansible.playbook  - 2014-03-08

archlinux

• TP-Link TL-WN823N on Arch Linux  - 2017-01-07
• Connecting to a hidden network on Arch Linux  - 2016-10-20
• Yubikey on Arch  - 2016-10-06
• YouCompleteMe on Arch Linux  - 2016-08-09
• Arch Linux: netctl and vpnc (Cisco VPN)  - 2015-12-16

audio

• Convert .wav to .mp3 and set id3 tags  - 2014-12-02

aws

• AWS Federated login  - 2021-05-08
• Fix: s3fs Permission issue on remote folders  - 2015-10-22

centos

• Error while loading shared libraries: libbz2.so.1.0: cannot open shared object file on CentOS 7  - 2016-11-28
• Build CentOS 5 generic RPM on CentOS 6  - 2015-08-03
• Use SCL packages without bash  - 2015-06-01
• Installing Ruby 1.9.3 on CentOS 6  - 2015-06-01
• Installing ZSH 5.0 on CentOS 5.7  - 2013-03-06
• Installing Vim 7.3 on Centos 5.7  - 2013-03-06

css

• CSS Target Selector  - 2020-12-20

eleventy

• Concatenate strings in Nunjucks  - 2021-04-24
• Use an Eleventy filter as an `if` statement  - 2021-04-18
• Add a markdown filter to Eleventy  - 2021-04-17

ffmpeg

• ffmpeg: Create a video from time lapse photos  - 2016-08-17

gatsby

• Gatsby Category Count  - 2020-12-19
• Adding a script tag using Gatsby JS  - 2020-05-21

git

• Understanding .gitignore with `git check-ignore`  - 2021-05-31
• Show untracked files with `git status`  - 2021-05-17
• A better `git blame` with `--ignore-rev`  - 2021-05-11
• Retag a Git Tag  - 2020-12-20
• Restore a file without adding to the index using Git  - 2020-11-29
• Show all files deleted since Git commit  - 2020-11-20

github

• Pin GitHub Issues  - 2021-05-08
• Publishing a Ruby Gem to the GitHub Package Registry  - 2021-05-08

golang

• golang: Get last character of a string  - 2014-11-25
• golang: How to `go get` private repos  - 2014-09-15
• Golang: Using Memcached  - 2014-09-09
• golang: Encode/Decode arbitrary JSON  - 2014-08-04
• golang: invalid operation: someVar == "" (mismatched types *string and string)  - 2014-07-14

gpg

• gpg: connecting dirmngr failed: IPC connect call failed  - 2016-03-22
• gpg: can't connect to the agent: IPC connect call failed  - 2016-01-12
• Using GPG to securely send a message  - 2015-11-18
• Not enough random bytes available. [GPG Signing]  - 2011-09-02

gumroad

• Select a product version with Gumroad embeds  - 2020-05-24

javascript

• Using `array.map` with `async/await`  - 2021-05-25
• `array.filter` with `async/await`  - 2021-05-13
• Map object values .toLowerCase()  - 2021-04-30
• Ensure all nock mock interceptors are used  - 2021-01-09
• Find value of key recursively with JavaScript  - 2020-12-01

jest

• Mock require with Jest  - 2020-03-16

jira

• Jira Cloud + ScriptRunner  - 2017-05-13
• Disabling comment formatting in Jira  - 2014-04-07

jq

• Group by fields with `jq`  - 2021-05-08
• Sum values with jq  - 2021-01-12
• Extract keys using JQ  - 2016-08-12
• Extract substring of specific values with JQ  - 2014-10-29

laravel

• Check if row was created with Laravel `updateOrCreate`  - 2021-04-12

linux

• Mount Synology HDD under Linux  - 2018-02-27
• Dell XPS13/XPS15 white noise via audio  - 2014-11-20
• Using a custom startup script for xmonad  - 2014-05-28
• Basic iptables rules  - 2013-04-17
• unetbootin - BOOTMGR Is Missing  - 2011-08-26

macos

• Mounting msdos USB with permissions on OSX  - 2015-11-20
• Solarized with iTerm2  - 2012-10-20

netlify

• Return an image from Netlify functions  - 2021-05-01

octokit

• Fetch all pages with Octokit pagination  - 2020-11-20

php

• The class 'APCIterator' could not be found  - 2015-07-09
• PHP: return and the HEREDOC syntax  - 2014-01-10

postgres

• Upgrade Postgres DB  - 2020-12-20

python

• Using INI config with python.logger  - 2015-11-18
• Introduction to vimrunner-python  - 2015-01-07
• alembic - TypeError: Boolean value of this clause is not defined  - 2014-02-12
• Python: Dynamically load all modules in a folder  - 2014-01-27

ruby

• Jekyll: Failed to build gem native extension  - 2015-03-26

ssl

• Check if SSL certificate is SHA1 or SHA2  - 2015-06-23

ubuntu

• Running gpg-agent on Ubuntu  - 2015-11-26
• Start PolicyKit on Ubuntu  - 2013-10-10
• Installing vim 7.4 on Ubuntu  - 2013-08-11
• Keyboard stops working on Ubuntu - slow-keys  - 2013-01-28
• Getting Solarized working on Ubuntu  - 2012-11-03

vagrant

• Using vagrant-hostmanager with centos/7  - 2016-10-25
• Vagrant: Require installed plugins  - 2015-06-08

varnish

• Cache a specific URL with Varnish  - 2013-06-10

vim

• vim: Replace literal \n with new line  - 2015-06-17

wordpress

• Trigger wp_insert_post_data handler on every post in WordPress  - 2019-05-19

youtube-dl

• Download multiple videos with youtube-dl  - 2020-12-20