The nokogiri gem provides different packages for several platforms. Each platform-specific variant ships pre-built binaries of libxml2, e.g...

E-mails are usually encoded using Quoted Printable. Here is how to decode or encode such strings. You probably know...

As described by the linked Stackoverflow answer, run these commands: sudo add-apt-repository ppa:git-core/ppa -y

Activate VI mode by running set -o vi Now use your Bash as if it were VI! Hit Esc to...

I had a very frequent cronjob that in rare cases could be relatively slow. To avoid multiple instances of this...

Command line text editor with syntax highlighting, menus (F1), etc. This might be a worthy replacement for nano if you...

You can use mail-tester.com to check your application's e-mails for issues that might cause e-mails to be...

You can configure a stat socket for haproxy in the global section of the configuration file: global daemon

Note This card does not reflect the current state of lazy loading technologies. The native lazy attribute could be used...

Use this snippet by Achu from Ask Ubuntu: ping hostname.tld | while read pong; do echo "$(date): $pong"; done

Sometimes you just want to have a small web server that serves files to test something. Serve the current directory...

While you can use Apache as a reverse proxy, it tries to be too smart. Try nginx instead, it's...

One useful postgres command I stumbled upon recently was \x. It gives you an expanded display which allows you to...

When you make a simple TCP connection to a remote server (like telnet), your client won't normally notice when...

You want to test your 1GE or 10GE internet uplink? We needed to ensure we have full 10GE to the...

Our applications not only need to be functional, they need to be fast. But, to quote Donald Knuth, premature optimization...

This is a guide on how to effectively use Git when working on a feature branch. It is designed to...

Starting with Rails 4.0, when you get an exception reported via the ExceptionNotification gem, you will only see a very...

When working with PostgreSQL, you can use pgAdmin as a GUI. While you can do most things just like on...

Article shows how to make a script that fakes one kind of content when printed with cat, but uses different...

As the web is being used for more and more tasks, expectations rise. Not only should web pages offer rich...

This is how you regain disk space from OpenStack instances if you are using kvm and qcow. If your instance...

PhantomJS has no binary builds for Linux, and building it yourself is painful. However, you can install it through npm...

I recommend install Node.js using nvm. This way you can have multiple Node versions in your ~/.nvm. You also won...