Simple method to add historic feature to SQLite

Abstract: Make a database which can be store historic modification is often considered a “secondary” activity, but bad design leads to databases that are difficult to optimize and often not very understandable. In this article we illustrate a simple method that respects the dictates of relational theory & is easy to understand. As a plus …

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Semplice metodo per storicizzare i dati su database

Abstract: Storicizzare i dati spesso è un attività considerata “secondaria”, ma un cattivo design porta a base dati difficili da ottimizzare e spesso poco comprensibili. In questo articolo illustriamo un semplice metodo che rispetta i dettami della teoria relazionale, è facile da capire ed è attivamente usato in produzione. Autori: Ernesto Ghetti (idea), Giovanni Giorgi …

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Windows x64: 32bit Odbc vs 64bit Odbc

I run into a very big trouble on these days. My big company delivered to me a Windows7 64bit system (first error) I asked for Office 64 bit and Visio2007 32 bit I tried to connect to Oracle (second error) to reverse engenieer a DB with Visio2007 I got a “driver architecture” error under Visio2007. …

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Introduzione a SQL Server 2008 Express

In questo articolo parleremo di Microsoft SQL Server. SQL Server nasce inizialmente da uno sforzo congiunto di Microsoft, Sybase and Ashton-Tate che nel 1989 creano tale prodotto avente come target OS/2. Dopo alcune vicessitudini Microsoft si smarca da Sybase e SQL Server versione 6.0 è la prima versione per Windows NT che non ha più dipendenze di …

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Hibernate Speedest introduction

In this article I will introduce you to Hibernate 3 persistence framework. This article is worth to read, because give you a very fast track to Hibernate; I have used this tool for the past six years, when only the good 2.x series was out of there. Then I have the lucky of training two teams …

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The Valueteam PDFGenerator

Per un importante cliente, abbiamo sviluppato una applicazione chiamata PDFGenerator, che è stata pacchettizzata come un vero e proprio prodotto.
Vediamo come è stato possibile...

Postgres performance tuning

After a bit of work, I have managed to optimize the performance of my Postgresql Server. I have spent a saturday morning digging around postgresql, using the fantastic komodo editor, and I am happy with the final solution. I followed  some suggestion on power PostgreSQL site, and now my postgres is blazing fast. For small …

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Dynamic languages troubles

I have read and I think it is very danger way of exposing concepts.

In the article pointed out, the quite dead Chandler project is compared to the multi-billion Eclipse project. And then a too easy analysis is done against dynamic languages, where Java is the absolute winner.

I will try to fix some of the things said there, and to add also my two cents here :)