first batch of dev environment backups

env_files/.inputrc

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+## arrow up
+"\e[A":history-search-backward
+## arrow down
+"\e[B":history-search-forward
+
+#TODO: get these stupid commands to work instead
+#"\e[A":history-substr-search-backward
+#"\e[A":history-substring-search-up
+
+#"\e[B":history-substr-search-forward
+#"\e[B":history-substring-search-down
+
+#NOTE: these commands may require additional installations GNU readline? install from homebrew using these steps: http://blogs.perl.org/users/aristotle/2013/07/easy-osx-termreadlinegnu.html
+#      Also need to have installed cpan before hand (type "cpan" to begin)
+#      And then install cpanm (sudo cpan App::cpanminus)

env_files/.irbrc

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+require 'rubygems'
+
+# Some commonly used gemfiles
+require 'awesome_print'
+require 'json'
+puts "Auto-required: awesome_print, json"
+puts 'REM: use "_" to quickly reference the previous command output'
+
+# turns on logging within ruby console
+if ENV.include?('RAILS_ENV') && ENV["RAILS_ENV"] == 'development'
+    ActiveRecord::Base.logger = Logger.new(STDOUT)
+    ActiveRecord::Base.connection_pool.clear_reloadable_connections!
+end
+
+# To view source of:
+#   Rails.logger
+# use:
+#   Rails.method(:logger).source
+#
+# https://stackoverflow.com/a/46966145/6716352
+class Method
+  def source(limit=10)
+    file, line = source_location
+    if file && line
+      puts "#{file} (#{line-1}:#{line-1+limit})\n#{'-'*30}"
+      puts IO.readlines(file)[line-1,limit]
+    else
+      puts nil
+    end
+  end
+end
+

env_files/.vimrc

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+" NOTE: main vim config files here: /usr/share/vim/   DO NOT modify directly
+
+" USEFUL http://nvie.com/posts/how-i-boosted-my-vim/
+" USEFUL http://www.vim.org/scripts/script.php?script_id=302  << convert ANSI color codes into VIM color codes
+" after it's installed use   :AnsiEsc  within vim to execute the script
+
+if has("autocmd")
+  " remember where I was in a file
+  autocmd BufReadPost * if line("'\"") > 1 && line("'\"") <= line("$") | exe "normal! g'\"" | endif
+
+  " except for git commits
+  autocmd FileType gitcommit call setpos('.', [0, 1, 1, 0])
+endif
+
+
+" Turn on line#s and search highlighting
+set ruler
+set hlsearch
+
+syntax on
+" :scriptnames   to view the currently loaded syntax files
+
+" Set the syntax highlighting to scan from the top of the file
+" this prevents syntax from breaking midway through complex files
+" more info here => :help syn-sync
+"syn sync fromstart
+"syn sync minlines=50
+" note: these may not work here because a language syntax file might set them, and that would be loaded after vimrc
+"command :syntime to troubleshoot syntax highlighting slowness
+
+" Note - syntax highlighting for html.erb files is fixed here:
+" ~/.vim/after/syntax/html.vim
+
+" Syntax folders
+" ~/.vim/syntax/
+" ~/.vim/after/syntax/
+" /usr/share/vim/vim82/syntax/
+
+" This might be interesting
+" turn hybrid line numbers on
+":set number relativenumber
+
+" NOTE : installed https://github.com/chrisbra/vim-diff-enhanced  plugin
+" myers/default -- the default algo without the plugin
+" minimal       -- myers but TRY harder
+" patience      -- 
+" histogram     -- patience but faster
+" TO change on the fly use :EnhancedDiff <algorithm>
+
+if &diff
+    " we're in diff mode
+    "set diffopt+=iwhite
+    syntax off
+    " TODO: DO NOT set ignore whitespace for python files
+
+    " in theory this could work, but cannot get it to work: https://github.com/chrisbra/vim-diff-enhanced
+endif
+
+" turn off syntax highlight for README.md files
+"au BufNewFile,BufRead * if expand('<afile>:e') !=? 'inc' | syntax enable | endif
+autocmd BufRead,BufNewFile *.md set syntax=off
+
+" shortcuts
+command Q qall
+command W wall
+
+" convert tabs into spaces
+set tabstop=2
+set expandtab
+" convert existing with :retab command
+
+" Fix backspace so its not capped to start of the insert (for example)
+set backspace=indent,eol,start
+
+" space highlighting
+hi NonText    ctermfg=253
+hi SpecialKey ctermfg=253
+set listchars=tab:→\ ,eol:↲,nbsp:␣,space:•,extends:⟩,precedes:⟨
+
+"set list
+" NOTE: don't have list on by default, because when copying out of vim, it'll grab the 'map character' instead of the original. Therefore the paste will be screwy
+
+" Color demo
+" :so ~/.vim/color_demo.vim
+
+" Disable this garbage
+" https://vim.fandom.com/wiki/Modeline_magic
+set nomodeline
+