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spadin / sequential-promises.js
Created Jan 31, 2019
Run promises sequentially using Array#reduce
View sequential-promises.js
const sayHelloIn = (seconds) => () => new Promise((resolve, reject) => {
setTimeout(() => {
console.log(`Hello ${seconds} seconds later.`)
}, seconds * 1000);
const sequentially = async (fns) => {
spadin / kill-port
Last active Dec 7, 2018
End the process that's using a specific port.
View kill-port
#! /usr/bin/env bash
function kill-port () {
local length=$(($#-1))
local killargs=( "${@:1:$length}" )
shift $(($# - 1))
local port=$1
local pid
pid=$(lsof -t -i :"$port")
spadin / strip-trailing-whitespaces.vim
Last active Dec 6, 2018
Simple function for striping trailing whitespace in Vim.
View strip-trailing-whitespaces.vim
fun! <SID>StripTrailingWhitespaces()
let l = line(".")
let c = col(".")
call cursor(l, c)
autocmd BufWritePre * :call <SID>StripTrailingWhitespaces()
map <Leader>cw :call <SID>StripTrailingWhitespaces()<CR>
spadin / .gitconfig
Created Jul 11, 2013
Create a zip archive of your current git branch.
View .gitconfig
# Zip archive of current branch
# Usage: `git zip [filename]`, eg: `git zip ~/Desktop/`
zip = !sh -c 'git archive --format zip --output $1 `git rev-parse --symbolic-full-name --abbrev-ref HEAD`' -
spadin / unmap-help.vim
Created Dec 18, 2013
Unmap help in vim.
View unmap-help.vim
" I got this
nnoremap <F1> <NOP>
spadin /
Last active Dec 21, 2015
delete files that show up on `git status` list.
git status --porcelain |cut -c 1-3 --complement | rm
spadin /
Created Aug 30, 2011
Installation notes for installing nodejs, npm and redis on a fresh Ubuntu 11.04 server. Worked on Rackspace Cloud Servers.

Basic Install of Node.js from scratch on Ubuntu 11.04 Notes

$ apt-get update
$ apt-get install git-core curl build-essential openssl libssl-dev
$ git clone && cd node
$ make
$ sudo make install
$ curl | sudo sh

Cleanup node install files:

spadin /
Created Aug 11, 2015
Sync clock after time has drifted
#! /bin/env bash
sudo ntpdate
spadin /
Last active Aug 29, 2015
Install Nokogiri on Mac w/Homebrew
xml2_dir=`brew info libxml2 | grep $(brew --cellar) | sed 's/ .*//'`
xslt_dir=`brew info libxslt | grep $(brew --cellar) | sed 's/ .*//'`

gem install nokogiri -- --use-system-libraries \
                        --with-xml2-config=${xml2_dir}/bin/xml2-config \
spadin /
Last active Aug 29, 2015
Find app files without specs
#! /usr/bin/env sh
for file in $(find $app_dir -name "*${extension}" -print | sed "s!$app_dir*!!" | sed "s!$extension!!"); do
if [ ! -f $spec_file ]; then
echo $spec_file
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