I just wrote and published my first PHP package on Packagist.com. It's available on [packagist.org](https://packagist.org/packages/htmlxpath/htmlxpath) and the source code is on [github](https://github.com/seanbehan/htmlxpath). To install the package u...

There are a lot of practical uses for automating user behavior in a browser. Everything from testing your web application to logging into Twitter and auto following people. But first you have to install the tools. Here is everything you need to run yo...

When Heroku creates a dump file of your Postgres database it uses the `-Fc` option It is equivalent to running pg_dump -Fc -d name_of_db > name_of_db.dump This command will let you import your database with the `pg_restore` command pg_rest...

If you run into authentication failure when trying to upload packages Submitting dist/ to https://upload.pypi.org/legacy/ Upload failed (403): Invalid or non-existent authentication information. error: Upload failed (403): Invalid or non-existent...

Here is the snippet f path/to/directory 'search string' | open_in_mate This snippet (technically 2 snippets) will recursively scan the contents of files in a directory and then open all the files it finds in Textmate. It's useful on large projec...

Foreman is a process management gem for ruby applications. It is used in combination with a Procfile for configuration instructions. A typical Procfile looks something like this [name] : [script to execute] Example Rack application Procfile ...

Assume you have your standard Sinatra application. # app.rb require 'sinatra' configure do enable :sessions end get '/' do if session[:user_id] "OK" else raise "NOT OK!" end end To test this you need to make a re...

If you are testing using Test:Unit (rather than RSpec) and you're using Ruby 1.9.* colorized output of your tests using Autotest will not be immediately available. Since, 1.9 comes with mini test the test/unit/ui/console/testrunner.rb script is not loaded...

Make a directory ( it can anywhere ) called baks/mysql mkdir -p /baks/mysql Create a file (it can be anywhere) called /root/mysql_backups.sh and put this script in it #!/bin/bash # modify the following to suit your environment export DB...

If you thought you had installed matplotlib only to find this File "/Library/Python/2.6/site-packages/matplotlib-0.91.1-py2.6-macosx-10.6-universal.egg/matplotlib/numerix/__init__.py", line 166, in __import__('ma', g, l) File "/Library/Python/2.6/...

Short and sweet. Here all the commands I run in this order to set up a brand new box. It usually takes about 10 - 15 minutes on a 256 MB RAM instance. Compiling Ruby Enterprise Edition, which is super easy, will take the most amount of time. It will seem ...

In the Wordpress editor (html mode) you'll need to become friends with < and > if you plan on showing any code (php, html... xml, most languages actually) that readers will want to understand. I never thought about it, but assumed that the lt and...

Remember to include the host declaration in the database.yml file when you deploy to Dreamhost. Dreamhost does not use "localhost" which is typically the default setting when using the mysql adapter and developing locally or even on a small site. At lea...

This may not be the ideal solution. This just manages request.referers in a session variable, then looping over each unique path prints a link to the screen. It's more of a "history" than a hierarchy for resources in an application. It is however, pretty ...

I was in the market for a simple php script to replace hrefs with their absolute paths from scraped web pages. I wrote one myself. I used the preg_replace_callback function so that I could pass the parsed results as a single variable. <?php $domain =...

What is Rack? Rack provides a minimal, modular and adaptable interface for developing web applications in Ruby. By wrapping HTTP requests and responses in the simplest way possible, it unifies and distills the API for web servers, web frameworks, and sof...

There are a number of permalink plugins for Rails, http://www.seoonrails.com/even-better-looking-urls-with-permalink_fu, is a good one that I've used before. However, this involves informing the model class (has_permalink :title), adding a route, using t...

Check it out http://sinatra.seanbehan.com/ This assumes Apache2 and the Phusion Passenger module have already been installed. If not you can get up to speed w/ this resource http://seanbehan.com/ruby-on-rails/new-ubuntu-slice-apache-mysql-php-ruby-on-rail...