tianchaijz

#list all ports for tcp
sudo lsof -itcp

#find all things listening on ports
lsof -Pnl +M -i4 | grep LISTEN

#all ports for tcp, dont resolve port name from numbers
sudo lsof -itcp -P

#open files and ports of process #$PID

aquajach

    compressed_filestream = Zip::OutputStream.write_buffer(::StringIO.new(''), Zip::TraditionalEncrypter.new('password')) do |zos|
        #First file
        zos.put_next_entry "test1.csv"
        csv = CSV.generate do |csv|
          User.all.each do |user|
            csv << [user.id, user.name]
          end
          csv << values
        end
        zos.print csv

smowtion

#EXTM3U
#EXTINF:0,205: VTV1 HD  
udp://@225.1.2.249:30120
#EXTINF:0,206: VTV2     
udp://@225.1.2.22:30120
#EXTINF:-1, VTV3 HD    
udp://@225.1.2.247:30120
#EXTINF:-1, VTV6 HD    
udp://@225.1.2.245:30120
#EXTINF:0,018:  HBO HD

piaoger

# fetch all branches
# From: http://stackoverflow.com/questions/10312521/how-to-fetch-all-git-branches

#!/bin/bash
for branch in `git branch -a | grep remotes | grep -v HEAD | grep -v master`; do
    git branch --track ${branch##*/} $branch
done

git fetch --all

bryanrite

Originally taken from: Braintree Article and expanded on by me.

Safe

• Add a new column
• Drop a column
• Rename a column
• Add an index concurrently (Example), Note: it will still take a long time to run the migration, but it won't write-lock the table.
• Drop a constraint (for example, non-nullable)
• Add a default value to an existing column

jlecour

# encoding: UTF-8

require 'optparse'
require 'net/http'
require 'json'

def parse_options(argv)
  opts = {}

  @parser = OptionParser.new do |o|

evanscottgray

docker ps | awk {' print $1 '} | tail -n+2 > tmp.txt; for line in $(cat tmp.txt); do docker kill $line; done; rm tmp.txt

ondrek

data:image/gif;base64,R0lGODlhAQABAAAAACw=

sloria

The Best of the Best Practices (BOBP) Guide for Python

A "Best of the Best Practices" (BOBP) guide to developing in Python.

In General

Values

• "Build tools for others that you want to be built for you." - Kenneth Reitz
• "Simplicity is alway better than functionality." - Pieter Hintjens

mitio

# config/deploy.rb

namespace :upstart do
  desc 'Generate and upload Upstard configs for daemons needed by the app'
  task :update_configs, except: {no_release: true} do
    upstart_config_files = File.expand_path('../upstart/*.conf.erb', __FILE__)
    upstart_root         = '/etc/init'

    Dir[upstart_config_files].each do |upstart_config_file|
      config = ERB.new(IO.read(upstart_config_file)).result(binding)