We’ve already seen the header tag for use as part of the header of a web page. However, a web page may have more than one header tag. Header tags may also be associated with an article, to provide header information about the article. For the head of a page, it is common to see…
In some cases you will know the path, or partial path, to the node you are looking for. This is often found when you are searching a HTML file (the Document Object Model or DOM), XML file, or similar storage structure. In that case, you can use something similar to XPATH for XML documents, or…
A depth first search algorithm analyzes the first child node for a match, and if one is not found, then it moves to that nodes children. This repeats until either a depth limit is reached, or there are no more children. Because of the complexity of some trees, consider a list of all websites to…
The first, and one of the most common methods to search is using a breadth first search (BFS) pattern. In this case, you start at the root node of the tree, and evaluate the first child determining if you have a match. If not, you move to its sibling and then the next, until there…
An MVP, or Minimally Viable Product, is a common process in the modern software world. It got famous as part of the Lean Startup model, and has grown in popularity. Let’s look at some reasons why. When looking at the design and model of your project, you may think you have a winner. But do…
This is the last step between modeling our problems and coding our solutions. Each of the elements in our requirements model helps provide us with necessary information that can be used to solve our problem. While the book has the models and design being two separate steps, in many cases you will find that they…
The article tag should have independent, self-contained content. This means it should stand on its own, without the need for information from any other section of the web page. However, it can be related to articles. The difference between it, and the main tag, is that you can have multiple article tags on a web…
The main tag is used to define the main content section of the web page. The content within the web document should be unique between the pages, and not contain replicated data such as navigation links, headers, footers, sidebar data etc. Within the main tag, you can find articles, standard content which you’ve already seen,…
