Artículos técnicos

Marco en tiempo real

Real-time’s Framework is a blindingly fast bi-directional persistently connected messaging system. It’s a unique means for a company to conduct a live online relationship with clients. This has the massive advantage of allowing interaction to happen live in real-time, without delays or page refreshes, to create a durable and bidirectional relationship with each online user. …

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Cómo instalar Ruby sobre rieles

Do following steps to setup rails environment in the local system 1) CSV : Git and Subversion sudo aptitude install subversion sudo apt-get install git-core And you can also installed the suggested package : git-doc git-arch git-cvs git-svn git-email git-daemon-run git-gui gitk gitweb diff-doc. 1) Database setup: Mysql database: sudo aptitude install mysql-server mysql-client PostgresSQL: …

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Aplicación: ¿Nativa, Web o Híbrida?

The mobile world is a world in constant evolution, both for the exponential spread of smartphones and tablets, and because this new way of communicating has demanded the introduction of a new type of Marketing: Mobile Marketing.To reach customers (existing or potential that may be) now one of the most effective and direct method is …

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Scraping de sitios web usando Mechanize Gem

Web scraping (web harvesting or web data extraction) is a computer software technique of extracting information from websites. The Mechanize library is used for automating interaction with websites. Mechanize gem automatically stores and sends cookies, follows redirects, and can follow links and submit forms. Form fields can be populated and submitted. It also keeps track …

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How To Install Memcached On A Vps Server Or A Dedicated Server?

Memcached is a Unix daemon written in C that exposes a specified amount of memory space as a hash table on the network using a dedicated text or binary protocol. The protocol allows a limited set of operations such as set, get, and delete, and also some more complex atomic operations such as cas (compare …

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¿Cómo configurar una aplicación Rails en el dominio principal con Passenger?

Here are the steps to set up a Rails Application on Main Domain with Passenger : Upload your application to the server using either ftp/sftp or SSH or if you have your application under version control, checkout or clone your application to a folder in your home directory. Next, we need address apache/passenger about your …

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Eliminar archivos del historial de revisiones del repositorio SVN

When we work on a private repository which is used for our personal testing or development, we may upload some private data. The unwanted file uploads in multiple commits will drastically increase the repository size. Once the development work is over and when we decide to make the repository public, we will have to consider …

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Fuente del formulario de instalación de RoR e implementación de una aplicación de prueba

• download the ruby source, then unzip, untar, configure and install [root@railstestwebmin ~]#wget http://ftp.ruby-lang.org/pub/ruby/1.9/ruby-1.9.3-p194.tar.bz2 [root@railstestwebmin ~]#tar xjvf ruby-1.9.3-p194.tar.bz2 [root@railstestwebmin ~]#cd ruby-1.9.3-p194 [root@railstestwebmin ruby-1.9.3-p194]#./configure [root@railstestwebmin ruby-1.9.3-p194]#make [root@railstestwebmin ruby-1.9.3-p194]#make install • check the ruby version [root@railstestwebmin ~]#ruby -v • download ruby gems and install [root@railstestwebmin ~]#wget http://rubyforge.org/frs/download.php/76073/rubygems-1.8.24.tgz [root@railstestwebmin ~]#tar xzvf rubygems-1.8.24.tgz [root@railstestwebmin ~]#cd rubygems-1.8.24 [root@railstestwebmin rubygems-1.8.24]#ruby setup.rb …

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How To Set Catch-All For Postfix Mail Server Without Control Panel?

Postfix is a Mail Transport Agent (MTA), supporting LDAP, SMTP AUTH (SASL), TLS and running in a chroot environment. It is a Wietse Venema’s mailer that started life as an alternative to the widely-used Sendmail program. It attempts to be fast, easy to administer, and secure, while at the same time being sendmail compatible enough …

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