Roger’s Brain Dump

when someone refers to the “eco sling” or what not, I think they mean this:

http://www.amazon.com/Sleepy-Wrap-Baby-Carrier-Gray/dp/B001BXBC0W/ref=sr_1_2?ie=UTF8&s=baby-products&qid=1246661525&sr=8-2

eco maternity
since google didn’t know when I asked it once

Decided to start using firefox again now that 3.5 is out [at least, on machines with 1G+ of RAM].

Reason? It highlights text slightly nicer than chrome. The highlight only goes behind the text highlighted, nothing more, which feels tighter. It loads slightly slower than chrome still, and startup time is significantly slower than chrome, but it also has adblock plus, which totally rocks. So…back to firefox.

$proxy7 $proxy8 “cannot be cast” java rmi

meant “your interface is missing its extends Remote or all of its methods don’t throw RemoteException”

for reference:
sudo mount -o remount,size=7G /dev/shm

there’s a firefox extension that will do it.
download/install it: https://addons.mozilla.org/en-US/firefox/addon/2708
then highlight the ones you want to toggle
then right click and it shows up on the menu.
phew!

This useful for adding your planetlab slice to all nodes, for example.

using gnuplot ! [gnuplot gem]
straight from the gnuplot candlesticks demo [demo/candlesticks.dem]

rdp@rdp-vm:~/Downloads/gnuplot-4.2.5/demo$ cat test.rb
# 1	1.5	2 	2.4	4	6.
# 2	1.5	3 	3.5	4	5.5
# 3	4.5	5 	5.5	6	6.5
a = [1,2,3]
b = [1.5, 1.5, 4.5]
c = [2,3,5]
d = [2.4, 3.5, 5.5]
e = [4,4,6]
f = [6,5.5, 6.5]
require 'rubygems'
require 'gnuplot'
Gnuplot.open do |gp|
  Gnuplot::Plot.new( gp ) do |plot|

    plot.title  "Example"
    plot.ylabel "x"
    plot.xlabel "x^2"
    plot.xrange "[0:11]"
    plot.yrange "[0:10]"

    plot.data << Gnuplot::DataSet.new( [a,b,c,d,e,f] ) do |ds|
      ds.using = "1:3:2:6:5"
      ds.with = "candlesticks lt 3 lw 2 title 'Quartiles' whiskerbars"
      #ds.notitle
    end

    plot.data << Gnuplot::DataSet.new( [a,b,c,d,e,f] ) do |ds|
      ds.using = "1:4:4:4:4"
      ds.with = "candlesticks lt -1 lw 2"
      ds.notitle
    end

  end
end

I’d recommend plotting them as candlesticks

http://gnuplot.sourceforge.net/demo_4.3/candlesticks.html

??

what you want for buffered binary incoming file data in java is “BufferedInputStream”

ref:

http://java.sun.com/j2se/1.4.2/docs/api/java/io/BufferedInputStream.html

reading from a tape, then again, resulted in

irb(main):010:0> b = File.new ‘/dev/nst0′, ‘r’

Errno::EBUSY: Device or resource busy - /dev/nst0

from (irb):10:in `initialize’

from (irb):10:in `new’

from (irb):10

from :0

fix:

close the first handle [though it's already past EOF, apparently it needs a local close, too]

irb(main):011:0> a.close

=> nil

note you’ll want to read in chunks of 64*1024, even if it doesn’t actually return you chunks of that size, for some odd reason

git pull

Permission denied (publickey).

fatal: The remote end hung up unexpectedly

meant do:

$ exec ssh-agent bash

$  ssh-add ~/.ssh/id_rsa

ref:

http://blog.stonean.com/2008/04/17/github-and-public-key/

http://www.cs.indiana.edu/csg/FAQ/Security/openssh.html

possibly caused by too restrictive of firewalls [?]