I am studying Apache Kafka (a “distributed streaming platform”) and I stubled upon this conclusion: the “disk read fear” a lot of projects have in the past, is a fake. A lot of distributed database started tutorial with the statement “disk read are slow, write are fast” which is true to some extent, and accounted …
?FileSystem is faster than RAM [under your Operating System] Read More »
C’è una cosa fantastica di Internet: se qualsiasi società prova a fare la furba, inserendo delle righe scritte in piccolo quando revisiona la sua API da 1.0 a 1.1, state certi che ci sarà almeno una persona che si leggerà tutto, troverà la fregatura e sputtanerà la summenzionata società. E’ quello che è successo con …
Do you like Arduino? Do you like dynamic programming languages like ruby? Well, the RAD is your Ruby Arduino Development! We just find out that link on hacker news, which comments worth a read.
Windows 2000 and higher supports directory symbolic links, where a directory serves as a symbolic link to another directory on the computer. […]Directory symbolic links are known as NTFS junctions in Windows. Unfortunately, Windows comes with no tools for creating junctions—you have to purchase the Win2K Resource Kit, which comes with the linkd program for …
Ad agosto ci siamo dedicati ad un po’ di matematica, e vogliamo recensire due software che possono semplificare i vostri esperimenti. Sage Il primo è open source e si chama Sage:http://www.sagemath.org/
Willing to switch to Subversion to Mercurial (you will, belive me!)? Take a look to this link http://wiki.pylonshq.com/display/pylonscookbook/Mercurial+for+Subversion+Users and be happy! If you prefer a different introduction http://hginit.com/ is a very good start
Book review by Stefano Fago: This book introduce one of most interesting language of new wave of functional programming. You will find a complete overview of clojure language focusing in functional paradigm that can be the real obstacle for a standard developer. The author try to follow you on learning different subject with a lot …
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 …
Mastering clusters of Unix machines part1: the right VM Read More »
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.
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 …
Evolving concurrency, like memory management did Read More »
Some times ago I have the lucky to read “Producing Open Source Software“: […] a book about the human side of open source development. It describes how successful projects operate, the expectations of users and developers, and the culture of free software. The book is released under an open copyright: it is available in bookstores …
La seguente documentazione traccia un percorso formativo sintetico per apprendere la specifica J2EE 5. Si parte dalle Servlet e dalle jsp, per arrivare fino agli EJB, che si consiglia di affrontare dopo aver ben appreso i concetti alla base della programmazione web.
After some time, WordPress 2.7 is out: WordPress 2.7 Release Candidate 1 By Ryan Boren. Filed under Releases. With the release of RC1, we’re in the final leg of development before the release of 2.7. 280 commits since beta 3 have polished the new admin UI (including new menu icons created by the winners of …
Trac is a quite famous bug tracking software written in python. It is considered very strong its subversion integration Pros: Can Also work with an embedded database (using sqlite). Easy to setup and use. Cons: Feature are too much, and aims to be also a CMS to some extend. Resources Article about trac, JIRA and …
As we have seen, bug tracking tools are a very important piece of your It infrastructure. Some tools aims to be a storing ticketing system (like Remedy), others a simple bug tracking tool. In this second post we are going to analyze one of them, called FogBugz
