Python and virtual environments on MAC OS X
1. install Xcode 2. launch Xcode and Agree with License Agreement 3. install brew.sh $ ruby -e "$(curl -fsSL https://raw.github.com/Homebrew/homebrew/go/install)" 4. install midnight-commander python 2.7 and/or python 3.x $ brew install mc $ brew install python...
Postgres earthdistance vs PostGIS
I needed to calculate the distance between to GPS coordinates. I have found couple of methods. 1. Postgres earthdistance you need to install the contrib package for postgres. Import the cube.sql and the earthdistance.sql. More about this at postgresql docs psql -d...
emacs commenting lines
I was wondering if the comment-dwin (M-;) command could be changed that if i am anywhere in the line the whole line is commented and not a comment started from the end of the line. based on the idea found in a mailing list i altered the command with ;;...
Install Emacs from source on MAC OS X
How to install Emacs from source? You will need Xcode tools to perform this operation. MacBook-Pro: mkdir src MacBook-Pro: cd src MacBook-Pro: cvs -z3 -d:pserver:anonymous@cvs.sv.gnu.org:/sources/emacs co emacs MacBook-Pro: cd emacs MacBook-Pro: ./configure --with-ns...
Hidden files
open a terminal and run the following to show hidden files MacBook-Pro: defaults write com.apple.Finder AppleShowAllFiles true MacBook-Pro: killall Finder to hide them run the following MacBook-Pro: defaults write com.apple.Finder AppleShowAllFiles false MacBook-Pro:...

MAC OS X filling up free space
I have my MacBookPro for 1 year now, and recently I had to often the message that my MAC OS X HDD is running out of space, and effectively finder said ZeroKB, df -h 0 available. As I was installing quite a lot of apps for test during the last year, I have decided to...
http monitoring with God
A few more line to the monitoring of yesterday [...] w.restart_if do |restart| restart.condition(:http_response_code) do |c| c.host = 'localhost' c.port = port c.path = '/' c.code_is_not = 200 c.timeout = 3.seconds c.times = [2, 5] end...
still this performance issue
Unfortunately my previous solution was only temporary, after a while I mentioned that mongrels are eating the memory and hanging. What is sure is that rails is using up to too much memory and crashes, it even seams to be a known problem, (wonder why I have not found...
redmine on nginx with mongrel_cluster performace
I have seen some serious performance issues and some error messages with nginx and mongrel_cluster. First let's talk about the error messages.
xmonad gnome-panel workspace switcher
By default it is not working and the workspace switcher show only 1 workspace whatever you set. Googleing a bit I found the solution.
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