Speed up MATLAB on MacOS X  mac

On MacOS X 10.5 there is considerable slow-down in the MATLAB editor and other GUI elements. The issue is related to a change in the default Mac Java 2D rendering engine from Quartz2D (10.4) and Sun2D (10.5). This newer rendering engine improves performance for figure drawing, but ... Continue reading

Customize directory colors  bash

You can use the command ls —color (or an alias) to show directories with colours for folders, files, links, etc. However, you may not realise these colours can be easily configured using bashrc and a configuration file. Edit your .bashrc file (in your home directory) to include the following line ... Continue reading

Control memcached from the command line  bash

memcached is a general-purpose distributed memory caching system originally developed by Danga Interactive for LiveJournal but now used by many other sites. It is often used to speed up dynamic database-driven websites by caching data and objects in RAM to reduce the number of times an external data source (such ... Continue reading

Install Haiku under Mac OS X with Virtualbox

Haiku is an open source operating system currently in development that specifically targets personal computing. Inspired by the Be Operating System, development began in 2001, and the operating system became self-hosting in 2008 with the first alpha release in September 2009, the second in May 2010 and the third in ... Continue reading

Bash Command Substitution  bash

Bash command substitution performs a given command replacing the marker with the resulting standard output. It is particularly useful when you want to store the output of a command in a variable or as an alternative method of chaining multiple commands together. Bash command substitution is achieved by wrapping your ... Continue reading

Syntax highlighting with Django and Markdown  web

Syntax highlighting is more than just eye candy. It can turn a block of impenetrable code into a simple grok (although it has it’s limits). To boost the usability of our code guides on this site we wanted to implement nice clear syntax highlighting of our hacks. Code samples are already marked up with markdown syntax so an extension to this is the obvious choice. Continue reading

Control Console with SysReq  bash

System request (often abbreviated SysRq or Sys Req) is a key on keyboards for PCs that has no standard use. This key can be traced back to the operator interrupt key of the IBM System/370 mainframe computer. But under Linux there’s a bunch of useful things available via ... Continue reading

Install Cinnamon on Ubuntu 12.04  linux

Cinnamon is a re-implementation of the Gnome 2 desktop in GTK3 developed by the Linux Mint project as an alternative to both Gnome3/Shell and Ubuntu Unity. Here we explain how to install Cinnamon on top of your Ubuntu installation, without installing Linux Mint. As with all Ubuntu unsupported software ... Continue reading

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