- C-a == Ctrl-a
- M-a == Alt-a
:q close
:w write/saves
:wa[!] write/save all windows [force]
:wq write/save and close
Alexander Rüedlinger lexruee
👻
lexruee
/ diff_array.rb
Created
March 19, 2020 19:00
Compare two arrays and return a new array with any items only found in one of the two given arrays, but not both.
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| def diff_array(first_array, second_array) | |
| (first_array - second_array) + (second_array - first_array) | |
| end |
lexruee
/ find_missing_letter.rb
Last active
March 19, 2020 18:26
Find the missing letter in the passed letter range and return it.
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| def find_missing_letter(range) | |
| chars = range.chars | |
| max_char = chars.max | |
| min_char = chars.min | |
| missing_chars = (min_char..max_char).to_a - chars | |
| missing_chars.first | |
| end | |
| p find_missing_letter "abde" | |
| p find_missing_letter "abcdefgijk" |
lexruee
/ gist:300ca4ee17d603e2989f9f16ca61f85a
Created
June 30, 2019 19:06
Installing spotify on arch linux
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| gpg --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys 931FF8E79F0876134EDDBDCCA87FF9DF48BF1C90 | |
| yay -S spotify |
lexruee
/ gist:8832edd35464e9519d6726aeb7a08965
Last active
February 17, 2019 15:58
commands to create a html file from the ruby code style guide
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| git clone https://github.com/rubocop-hq/ruby-style-guide | |
| cd ruby-style-guide | |
| pandoc README.md -o ruby-code-style-guide.html |
lexruee
/ gist:1650bed42a060c49f75c8941e4aa6bec
Created
November 12, 2018 22:27
Ubuntu Upgrade path from 14.04 LTS to 18.04 LTS
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| # Ubuntu 14.04 LTS Upgrade zu Ubuntu 16.04.5 LTS | |
| ``` | |
| sudo apt update | |
| sudo apt upgrade | |
| sudo apt install update-manager-core | |
| sudo do-release-upgrade | |
| ``` | |
| ## Nachdem Upgrade auf Ubuntu 16.04 LTS |
lexruee
/ vim_cheatsheet.md
Created
September 22, 2018 19:49
— forked from awidegreen/vim_cheatsheet.md
Vim shortcuts
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| Vagrant.configure("2") do |config| | |
| config.vm.box = "ubuntu/artful64" | |
| config.vm.provider 'virtualbox' do |v| | |
| v.gui = true | |
| end | |
| config.vm.provision "shell", inline: <<-SHELL | |
| apt-get update -y | |
| apt-get dist-upgrade -y | |
| apt-get install -y git make |
lexruee
/ gist:c9b16ee1710bf64e8738dcf35885d4de
Last active
October 27, 2017 17:48
GNOME3, xkb & VIM: Remap CAPSLOCK to ESCAPE
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| dconf write /org/gnome/desktop/input-sources/xkb-options "['caps:escape']" |
lexruee
/ tmux-cheatsheet.markdown
Created
October 22, 2017 15:33
— forked from MohamedAlaa/tmux-cheatsheet.markdown
tmux shortcuts & cheatsheet
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