MySQL Query Optimizations and Schema Design

Performance is something for which we all strive. This applies to the lives of DBAs too, since their first and foremost task is to achieve a high level of performance from their databases. SQL professionals can not stress enough that spending quality time to optimize both schema design and queries should be considered top priorities. In this article we are going to cover these two.
MySQL Query Optimization...

User Management

In this article we will look at how to create a secure user management module. No user authentication or user management script can ever be one hundred percent secure, but we can try to use the tools that are available to us to their maximum, and thereby make it difficult for malicious users to hack our scripts.
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JSEclipse

Using JSEclipse, JavaScript programmers now have their own Eclipse plug-in that provides many important features to aid in the development of JavaScript applications. JSEclipse gives JavaScript developers the same ease of use that Eclipse has been providing in the Java language and others for years. Learn to use this tool, while creating a colony of evolving "creatures" on your page.
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Application development for the OLPC laptop

The XO laptop (of the One-Laptop-Per-Child initiative) is an inexpensive laptop project intended to help educate children around the world. The XO laptop includes many innovations, such as a novel, inexpensive, and durable hardware design and the use of GNU/Linux as the underlying operating system. The XO also includes an application environment written in Python with a human interface called Sugar, accessible to everyone (including kids). Explore the Sugar APIs and learn how to develop and debug a graphical activity in Sugar using Python.
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Meaner and Greener

There was a time when speed was the only thing computer manufacturers considered. That time has passed, and now ecologically friendly machines are becoming more popular. What is a power-loving computer geek to do? Good news: you may not have to sacrifice performance to help save the planet.
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Dynamic Programming Algorithm Technique

You are reading another tutorial in the Algorithm Techniques multi-part series. As the title suggests, today we are going to briefly present the dynamic programming algorithm technique. The truth is, dynamic programming is one of the most discussed techniques in the algorithmic literature, especially since it refers to a large number of algorithms. Theoretically thousands of problems can be solved with its implementation.
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An Ajax Approach to Active Client Pages

If a user were using a slow Internet connection, he would have found that it takes time for him to have his web page displayed (downloaded) at his client computer. Nowadays, only the first page of his web site will take a long time to be downloaded; the rest of the pages will come very fast. Keep reading to learn how we can accomplish this trick. It is all thanks to Active Client Pages and the magic of AJAX.
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