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XCode free space

https://medium.com/@nqtuan86/clean-mac-storage-for-xcodes-users-5fbb32239aa5#

~/Library/Caches/com.apple.dt.Xcode
~/Library/Developer/Xcode/DerivedData
~/Library/Developer/Xcode/Archives
~/Library/Developer/Xcode/iOS\ DeviceSupport/
~/Library/Developer/CoreSimulator
xcrun simctl delete unavailable

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• get latest docker travis build tag and run it in the background

    docker run -dit travisci/ci-ruby:packer-1494868441 /sbin/init
  

• exec container

    docker exec -it <container_id> bash -l
  

• change user

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alias git-remove-untracked='git fetch --prune && git branch -r | awk "{print \$1}" | egrep -v -f /dev/fd/0 <(git branch -vv | grep origin) | awk "{print \$1}" | xargs git branch -d'

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#
# Executes commands at the start of an interactive session.
#
# Authors:
#   Sorin Ionescu <sorin.ionescu@gmail.com>
#

# Source Prezto.
if [[ -s "${ZDOTDIR:-$HOME}/.zprezto/init.zsh" ]]; then
  source "${ZDOTDIR:-$HOME}/.zprezto/init.zsh"

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How to run your Travis CI Elixir builds locally with Docker

Make sure you have Docker installed.

Pull the Travis Erlang image docker run --name travis-debug -dit travisci/ci-erlang:packer-1494865151 /sbin/init

Execute the container docker exec -it travis-debug -u travis bash -l

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alias solr_start='cd ~/sunspot-1.1.0/solr/ && java -Xms512M -Xmx1024M -Djetty.port=8982 -Dsolr.data.dir=/home/flashgordon/ruby-dev/sas/solr/data/development -jar start.jar'

# Custom function
function solr_stop() {
  pids=$(ps aux | grep -v awk | awk '/java.*-Djetty.port=8982/' |cut -c10-15)
  if [ "x${pids}" != "x" ]; then
    for pid in $pids; do
      kill -9 $pid
      echo -e "\033[1;32m[OK] \033[00msolr stopped"
    done

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module Enumerable
  def dups
    inject({}) {|h,v| h[v]=h[v].to_i+1; h}.reject{|k,v| v==1}.keys
  end
end

# arr = [2,8,8,42,7,33,42]
# puts arr.dups.inspect
# [8, 42]