web notes - a blog

I have been looking at performance for a web application. I am using ab to compare the response times while adjusting the database indexing. Shell # 'log in'… more »

I was using both the FixedHeader and Buttons extensions of DataTables and I needed the buttons to remain visible when the user scrolled. The solution I chose was to move the buttons DOM into the table head. Since the buttons are in a div and thead is… more »

Session timeout warning for a web application with a variety of page layouts and frequent use of multiple tabs. Nutshell explanation - ping the server, if you get a 403, show a huge red bar across the top of whatever page pinged. Result: It is immed… more »

Objective: Create an efficient way to use a Symfony CollectionType of Entities. I wanted to be able to provide a Dijit FilteringSelect (autocomplete) for a collection of entities. Issues: Using a CollectionType of EntityTypes loaded all the entities i… more »

In some cases, environment variables are used to store configuration information. If the values are referenced from different sources, such as through a web server and on the command line, it is a good idea to define them in a single place and graceful… more »