Learning from your own experiences is priceless. We’ve all made our share of blunders, myself included. While sharing tales of our missteps might provide some comic relief, the real value lies in the lessons learned. You don’t forget a mistake …

Step 1: Add the Mozilla Daily PPA Repository#

First, open up your terminal window. Once it’s up, type in the command below to add the Ubuntu Mozilla Daily PPA repository to your system:

sudo add-apt-repository ppa:ubuntu-mozilla-daily/ppa

You’ll …

How to Solve the Puppet Error: Could not find class in namespace#

Sometimes, when working with Puppet, you may encounter an error message that does not accurately reflect the actual problem. For example, if you see this error:

err: Could not retrieve …

How to install PHP development files

If you want to run phpize on your system, you need to install the development files of PHP first. Otherwise, you might get an error message like this:

sh: phpize: not found
ERROR: `phpize' failed

To install the PHP …

As a project manager, I’ve seen the freemium model become increasingly popular in the software development community. The idea is simple: offer a basic version of your product for free, and then charge for premium features or additional …

We haven’t seen you for a while#

It’s been 7 days, 4 hours, 13 minutes and 2 seconds since you last logged in, and we’re starting to get really worried.

We were just getting to know each other. You created 1 site, 1 page, dragged on 1 …

You forgot to change the path google developers !

link -> http://code.google.com/chrome/extensions/apps.html

You don´t like Google Analytics?#

Go to http://tools.google.com/dlpage/gaoptout and install a browser plugin to disable Google Analytics.

• Perl:

time

• PHP:

time()

• Ruby:

Time.now # (or Time.new). To display the epoch: Time.now.to_i

• Python:

import time # first, then int(time.time())

• Java:

long epoch = System.currentTimeMillis()/1000;

• Microsoft .NET C#:

epoch = (DateTime.Now. …