Posts

Nabble embeddable forum into Google Sites

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I recently needed to insert an embeddable forum from Nabble into a Google Sites page. It seem doesn't work to simply add the HTML Nabble script code into a page then I made a simple gadget allowing to make this operation in a very simple way. Feel free to use if you need it...

Install Oracle JDK 6 in Linux for Android compilation

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Latest distribution of Linux doesn't "officially" support the Oracle JDK 6 package anymore in their repositories. However product like Android still require this package for allow compilation. This mean we need to manually download and install it. The procedure is quite simple but need some steps to follow.

Install Yum Extender into CentOS 6

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Since Yum Extender is no more maintained in CentOS repository there are a lot of posts asking for this problem and, as usual, a lot of partial or incomplete replies. Just to avoid wasting time follow the few command lines to use for install this tool.

Tree in SQL database: The Nested Set Model

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Tree structure are very commonly used by all the application who need to manage a large quantity of data. However once have in memory the tree data the application need a way to save them for future use. SQL database can be a good solution but, in this case, we need a way to store data in efficient mode. This post will propose a model called Nested Set.

Access GPIO from Linux user space

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GPIO mean "General Purpose Input/Output" and is a special pin present in some chip that can be set as input or output and used to move a signal high or low (in output mode) or to get the signal current status (in input mode). Usually these pin are directly managed by kernel modules but there are an easy way to manage these pins also from user space.

Online animated loading icon generator

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Webmaster, web developers or, in general, developer of each sector could need a way for inform the user that a specific operation is in progress. Usually this kind of info is showed through some animation that makes you feel regarding the current application working. The animation on the left is a common example about. If you don't want to spend a lot of time to make your own animation there is an online service who can give you some ready made animations.

Compile a Linux module consisting of multiple source files

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Certainly a lot of you know very well how to make this action but since I’m not very expert in makefile syntax I spend some time to figure out to to compile a Linux module consisting of multiple source files. Just to avoid the same waste of time to others who, like me, have no big experience in this sector I’ll post a short explanation about how to get this result.