afair

Hey! I saw this has been indexed by the search engines. It is a first draft of a post I ended up publishing on my blog at: Scaling PostgreSQL With Pgpool and PgBouncer

Thanks for stopping by!

PostgreSQL and Pgpool Architecture

afair

#!/usr/bin/env bash
################################################################################
# Script to initiate (or connect to) a tmux session
###############################################################################

# Starts session and returns, or attaches to existing session name and exits.
function tm_session { # session name
  #echo tmux start-server
  tmux start-server
  #echo tmux has-session -t $1

afair

==========================================        	
             BASH SCRIPTING                       	==========================================
==========================================        	             TEST COMMAND
                                                  	==========================================
Invoke:      bash [options] file                  	
Shebang:     #!/usr/bin/env bash                  	Test:        test expression
                                                  	  In script: [ expression ]
==========================================        	  Alternate: [[ espression ]]
             LOOP                                 	             Does not split string words
==========================================        	             Does not expand pathglobs*

afair

==========================================          ==========================================
             TMUX COMMAND                                        WINDOW (TAB)
==========================================          ==========================================

List    tmux ls                                     List         ^b w
New          new -s <session>                       Create       ^b c
Attach       att -t <session>                       Rename       ^b , <name>
Rename       rename-session -t <old> <new>          Last         ^b l               (lower-L)
Kill         kill-session -t <session>              Close        ^b &

afair

[user]
	name = Your Nmae
	email = [email protected]
[core]
	editor = vim
[color]
	diff = auto
	status = auto
	branch = auto
	ui = auto

afair

#!/usr/bin/env ruby
# encoding: UTF-8    # 2nd line, says file has Unicode data and names

#####################################################################
# Ruby 1.8 Unicode Demonstration 
#####################################################################

# Enable Unicode Support, or start with: ruby -Ku
$KCODE = "UTF-8"

afair

#!/usr/bin/env ruby 
# encoding: UTF-8
###############################################################################
# Ruby 1.9 Unicode Demonstration
###############################################################################

require 'rubygems'
require 'unicode'        # gem unicode
require 'unicode_utils'  # gem unicode_utils
require 'rchardet19'     # gem rchardet19

afair

#!/usr/bin/env bash
#
# Script to initiate (or connect to) a rails project
# tmux session. 

if [[ "$1" != "" ]]; then
  app=$1
  APPDIR=$HOME/src/$app
  cd $APPDIR
else

afair

require 'resolv'

class Domain

  def mxers(domain)
    mxs = Resolv::DNS.open do |dns|
      ress = dns.getresources(domain, Resolv::DNS::Resource::IN::MX)
      ress.map { |r| [r.exchange.to_s, IPSocket::getaddress(r.exchange.to_s), r.preference] }
    end
    return mxs

afair

Perl References

Simple Perl variables are called scalars. Examples of scalar values are

   $number      = 123;
   $string      = "String";
   $file_handle = open "<filename";
   $null_value  = undef;
 $instance = MyClass-&gt;new;