Federico Feroldi’s blog | by Federico Feroldi
Sep
27
Posted on 27-09-2007
Filed Under (pixzone) by Federico Feroldi on 27-09-2007
I just read an article on Ryan Carson’s blog where he complaints about the insane payments terms standards in the European countries. I wasn’t surprised to see that in Italy we have the longest average that is 90 days from the invoice because I did some consultancy time ago and I was usually payed 3 months after my clients received my invoices. What is awfull is that Italy is the European country with the longest payment time ever!
It comes to no surpise that the young Italians prefer a “stable” work in a company instead of freelancing or entrepreneurship! 
Sep
26
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Finding the Convex Hull of a set of points is an interesting problem in computational geometry.
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The default configuration for running JRuby on Rails using GoldSpike only allows 4 instances of the JRuby runtime. This means that if there are more than 4 simultaneous requests from clients, the web server will respond with a server overloaded error.
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ason Hoffman from Joyent had a great tutorial at RailsConf Europe on Scaling a Rails Application from the Bottom Up. It defines the key terms and measurements of scaling and explains why scaling in essence have nothing to do with Rails.
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This tutorial will teach you how to create pretty looking textual buttons (with alternate pressed state) using CSS.
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Magento is a new professional open-source eCommerce solution offering unprecedented flexibility and control. With Magento, never feel trapped in your eCommerce solution again.
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J-EAI is the first standard-based Open Source Applications Integration platform.
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SQL Relay is a persistent database connection pooling, proxying and load balancing system for Unix and Linux.
Sep
25
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OpenSAM (Open Simple Application Mashups) is a set of recommendations and techniques for integrating SaaS applications into incredibly powerful and flexible solutions.
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A step-by-step guide to unlocking the iPhone’s SIM card and making it available to other cell carriers’ networks.
Sep
24
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This is the best and most comprehensive overview of Mobile Web startups and product ecosystem that I’ve yet seen.
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I am focused on a humber bit of social networking etiquette: the proper use of invitations.
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ce is a library of common Erlang utility functions, behaviours, and other miscellaneous modules that are handy but either aren’t included as a part of Erlang/OTP or are buried in unintuitive places in it.
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I’ve come up with a list of the Top 10 Drupal Modules that are already not installed, or rather at least the most used modules by Drupal heads.
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Ok, now to perhaps the most confusing aspect in all of Dru-topia, blocks and regions.
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I’m going to go over the terms you absolutely MUST know before doing anything with Drupal .
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To me, block are at the crux of everything that is good about Drupal.
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Some modules add tabs to pages that are not needed for general users, or not needed at all. You may wish to link to the page in a different way, as some users don’t understand that they can click on the tab above a node.
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The PHP Snippets below are intended for use within a customised USER PROFILE page that simply enables you to “pull” specific content from your drupal database specific to a particular user and display it in the way you want.
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This php snippet displays the 10 most recent nodes submitted by the user, restricting certain node types. In this example, pages, stories, and forum posts are excluded from the list.
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This snippet will display the thumbnail images of the most N most recently submitted images by the user. You can also optionally limit the images selected based on taxonomy term id’s (see snippet for details)
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This php snippet inserts the ADD TO BUDDYLIST link
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This php snippet displays a user friendly “click here to add your [profile field]” link when they are looking at their own profile page and have forgotten or not yet filled out some details.
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HowToDoThings.com, a community sharing their expertise to solve people’s problems. After 6 months of specifications, migrations, Drupal module development, theme designing and beta testing, we are please to announce the full relaunch of HowToDoThings.co
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OProfile is a system-wide profiler for Linux systems, capable of profiling all running code at low overhead. OProfile is released under the GNU GPL.
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Perlbal is our Perl-based reverse proxy load balancer and web server.
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The runkit extension provides means to modify constants, user-defined functions, and user-defined classes. It also provides for custom superglobal variables and embeddable sub-interpreters via sandboxing.
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MogileFS is our open source distributed filesystem.
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Class for accessing the MogileFS file system
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We’ve just released our MogileFS Client for PHP (5.1). It does a very good job of handling errors and is being used in production on Socialverse.
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This extension allows you to communicate with the MogileFS tracker.
Mogilefs.php is a Class to use mogilefs storage functions easily. -
CoralCDN is a free peer-to-peer content distribution network, comprised of a world-wide network of web proxies and nameservers.
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The PHP WebDAV extension allows easy access to remote resources with PHP through the DAV protocol.
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RPM packages are easy to install and manage, Perl modules are useful and do all sorts of things. Now you can have both with minimal effort
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GlusterFS is a clustered file-system capable of scaling to several peta-bytes.
