Here you can find some tips to optimize slow queries that have been useful to me.... Read More
Juan Carlos Gonzalez Blog
Welcome to my Blog! I have been a analyst/programmer for over ten years, most of my work has been about integrating web an telephony services. In this Blog you can find information and code samples that have been useful to me and I hope they can be useful to you too.
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Latest from the blog
Here is a list of my most frecently used MySql Commands and examples... Read More
With Eclipse you can use a source project and compile directly into a web project. Every time you change your dependency project a new Jar will be stored in your web project build path. This is very convenient if you are developing libraries for web projects.... Read More
To do this you can take advantage of schedulers such us quartz, but it you don't need anything as powerful as that you can create a new thread that starts when the server starts.... Read More
In most cases trouble happens because not everything is coded with UTF-8 or we are not doing the transcoding properly. We must tell MySQL how to store, send or receive the Unicode Transformation Format - 8 bit (UTF-8). The easiest way to avoid any trouble is by setting everything to UTF-8.... Read More
This is a simple wrapper to run Tomcat as a service. You need to be a root user.... Read More
Sometimes it's useful to know that is some threads status. I normally use JConsole to monitor but if you can't use this technology and you need to know what is going on with the threads an easy trick is to upload a JSP to the server. Here are some good examples for that.... Read More
I needed to create a server for up to 1000 concurrent users. Using a single-threaded-per-socket connection was taking too much CPU and memory. NIO is supposed to increase your latency but it wasn't too much in my case.... Read More