There has been a fair amount of recent coverage about asm.js since it started appearing in the nightly builds of Firefox. There are other places to read more about what asm.js - but essentially you can think of it as a subset of javascript that is functionally somewhat like ...

As a follow on the previous post - I wanted to demonstrate how the individual lights (with all their own features) can not only be grouped into a simple synchronized group - but they can be added into a "sequence" container which will operate a chase. This also shows the type of ...

There is a large hobbiest community out there of people putting together light shows synchronized to music. These are mostly around xmas string lights during the holidays.

The lights are controlled via a hardware board that takes signals from a computer and operates multiple dimmers to control the brightness of ...

In a [old, but still relevant post](http://www.b-list.org/weblog/2007/nov/02/handle-choices-right-way/) James Bennet argues for a way of handling the choice tuples used by Django. One of the reasons I haven't always followed that advice was that it was just a lot of extra ...

Have a lab of Macs - need to burn a bunch of CD or DVDs? Harness those monkeys!

No one part of this solution is all that earth shattering, but it is a simple clever combination of steps.

So you have a bunch of Macs in a lab - you have Network ...

A few of the tools I use have spent some time working up bash completing. django-admin and virtualenvwrapper to name two. As a Mac sysadmin I use a number of CLI tools for stuff, and was interested in working up some bash completion for these.

I picked diskutil for starters ...

There are several procedural things at work that still involve a signature, or hand written note on a piece of paper. This reality has made it hard to digitize these practices. While much of the process could be replace with a web app, with plenty of benefits. The reality is ...

The [Django Advent](http://djangoadvent.com/) site is proving to be some great writing. The [recent piece](http://djangoadvent.com/1.2/everything-i-hate-about-mingus/) by [Kevin Fricovsky](http://blog.montylounge.com/) hits the nail on the head in so many ways.

Basically he is highlighting some areas for growth when it ...

Not much to say other than I've been using this for a while and want to pass it on.

This [post](http://www.red-sweater.com/blog/220/random-color-terminal) has a great tool for randomizing terminal colors.

If you have a lot of terminal windows open - this can make expose ...

I have the occasional need to resize a set of images. I used to use Photoshop batch actions, then I used some droplets, and recently I've been using a simple python script with PIL (Python Image Library)

We recently got an 8 core Mac Pro, and I wanted to ...

Been using hg, and like to use hg diff to help me make better commit notes - but been spoiled by bitbuckets HTML view of diffs

So here is a quick script that I keep on my path for viewing hg diff, formated with pygments - I'm sure it would be ...

using apache, mysql, mod_wsgi, and virtualenv

Dreamhost provides free hosting to nonprofits, and for now they seem to have thrown in a virtual private server. This is hard not to take advantage of, and I'm hoping that the VPS is better performing than the shared hosting - but my concern ...

At work we needed to have a standard local account that would work off campus, but not on campus. Here was my solution.

First I check for the user and create it if it doesn't exist

#!bash

user_exists=`dscl . -read /Users/remote GeneratedUID | grep -c GeneratedUID`

if [ $user_exists -ne ...

Installing the mysql-python package on Leopard is relatively easy if you've installed MySQL from the mysql.org distribution - but installing on Leopard Server is a bit more problematic.

The crux of the issue is that the version of MySQL that comes with Leopard Server does not include the header ...

So found this buried under some dust. I had forgotten that I had ever set this up, but in adding some stuff to a .bash_profile on an older server found some code that I've spruced up bit for this post that lets you locally edit a remote file initiated ...

I've always been annoyed that the only way to mark all as read for a mailbox was with a contextual menu in the sidebar - lets change that.

I use Butler as my quicklaunch keyboard macro tool - but you could use your favorite one to run the following script while ...

OE-Cake is still expired for OS X - lets work around that

So OE-Cake now has a beta for windows - but not OS X.

We still have the binary from their old version that expired some time ago - we were launching it with ARD with the below trick, but now I ...

The iTunes remote is pretty slick - if only it could turn on the stereo

I have a mac mini set up as a HTPC. The music end of this was a bit neglected as it was originally set up to use a custom onscreen menu control to switch between several ...

In our school environment, we had a couple issues with Google Earth's default behaviors - here are my workarounds.

First off we have a student web proxy that works based on a whitelist concept. So we have to allow any web traffic explicitly. With the help of little snitch and ...

There are times I need to create some easy to remember weak initial passwords for students - here is a quick script

Note that these are not strong passwords as they are the definition of "dictionary" passwords...

import sys
import os
import random

dfile = '/usr/share/dict/web2'

def main():
    for ...

Even though we moved our email from OS X server to google apps for education - we still manage our lists with a local mailman instance (still on 10.4). However the web based interface for adding new members can be a bit of a pain as it never seems to ...

Sometimes you get in a situation where you are editing a long command on the command line and you'd kill to be able to use your mouse to select a word or option in the middle. This tip makes it a pleasure

First for me their was the discovery ...

iLife and iWork can throw up an awful lot of update dialogs and welcome screens for people who first launch them. For users on my network I wanted to prevent those from coming up

There are a number of defaults that can be set to make these not appear. The ...

Tools are getting so sophisticated now - that they can be a distraction for the lightweight or part time coder.

You can get lost in the ins and outs of git vs hg, choosing a database engine (SQL vs Key-Value etc), javascript frameworks, PIP vs Buildout and integrating with virtualenv.

They ...