internet

Smart: inchiesta sulle reti

“Smart: inchiesta sulle reti” di Frédéric Martel, è un libro uscito da poco che mi sento di consigliare. “Internet non appiattisce affatto il mondo. Semmai è il mondo a nutrire la Rete di complessità, diversità, ricchezza, tanto che sarebbe opportuno parlare ormai di reti, al plurale. “   La scrittura è molto scorrevole ed è …

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Criptare con emacs

Al giorno d’oggi si hanno tanti account, con tante password. Più una password è diversa dalle altre meglio è. Ma come proteggerle, evitando di segnarne sempre il meno possibile? Sotto MacOSX c’è il Keychain, ovviamente incompatibile con windows e linux. Grazie a questo articolo, ho scoperto che emacs ha una serie di integrazioni con i …

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Explorer Canvas

Volete utilizzare il tag canvas di html5 anche su IE6 ed IE8? Google ha la soluzione… Modern browsers like Firefox, Safari, Chrome and Opera support the HTML5 canvas tag to allow 2D command-based drawing. ExplorerCanvas brings the same functionality to Internet Explorer. To use, web developers only need to include a single script tag in …

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Mastering clusters of Unix machines part2: the right tools

After working with unix for years, we noticed it is difficult to get a very uniform approach to unix management. Often different Linux distributions share very little, configuration is different every time. Worst, some good unix tools (like cron, syslog, etc) can be used in a distributed environment, but are very difficult to configure, very …

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Mastering clusters of Unix machines part1: the right VM

One day, we have the need to create a fast cluster of linux machine, specialized and easy to segragate in different networks (for better security). We need web servers, integration servers (running java hudson), huge developer machines (running for instance eclispe) and so on. It was not easy to find a good environment. This research …

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Erlang Book Review

After reading an interesting article on Erlang  and Java interoperability, I have decided to dedicate my spare time to Erlang. O’Reilly has just published a wonderful book on Erlang, so I decided to dive into it.

Evolving concurrency, like memory management did

As processors become faster and multiprocessor systems become cheaper, the need to take advantage of multithreading in order to achieve full hardware resource utilization only increases the importance of being able to incorporate concurrency in a wide variety of application categories. In this article we are evaluting a new approach to the concurrency. In the …

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