Creating a Chained Select

This article is based on the question asked on Web Developer Forum on creating a category tree using select. Also known as chained select. First, a description of chained select. It is a series of selection using select box where each sub-select depends on the previous selection. Examples of this kind of chained select is usually encountered when downloading drivers, […]

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More Features for Simple Messaging System

We have covered a lot with our simple messaging system. But, there are always more features we can add. Here are some I can think of : Message Editing Now, normally once a message is sent, there is no way to edit it. But, suppose we allow it to happen. What possible problems can happen and how do we handle […]

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Scaling Simple Messaging System

Now, we have the simple messaging system ready, we have to think about its performance. Also known as scaling. What is scaling and how do we scale our simple messaging system ? The definition of scaling is to get it ready when the data becomes big and traffic increased. Normally we will start from small members with small traffic. As […]

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Simple Messaging System with Announcement

In the previous article we discuss broadcast, now we are going to cover announcement for our simple messaging system. What is the difference ? Well, broadcast and announcement both is a one way conversation. The difference is what happens after the broadcast/announcement is made. With broadcast, the conversation continues individually between two users. While an announcement remains as a single […]

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