A delay will always occur between a user action and an application response. It is well known that the lower the response delay, the greater the feeling of the application responding instantaneously. It is also commonly known that a delay of up to 100ms is generally not perceivable. But what about a delay of 110ms? What is the shortest...
I have a number data-driven web based applications that serve both internal and public users and would like to gauge how fast you would expect a page to be created (in milliseconds) in order to maintain user satisfaction and scalability. So, how fast does a page have be created to maintain a fast site? The sites are developed in ASP cl...
I have a scenario where customers are asking to develop a new project on struts 1. It appears they have many applications running on Struts 1 and the in house IT team is comfortable with it. For data access, we are asked to write JDBC, no ORM, not even Spring DAO. They have developed a framework and we have been asked to use that. I'm ...
Launching code on document ready is a pillar of jQuery. But sometimes, lengthy operations will be executed inside the ready event. For example, attaching multiple carousel instances to lengthy unordered lists will take some time. Question: How can I increase perceived responsiveness during the ready event? For example: Can I...
Say n = 100; How do I generate 100 visually distinct colors? Is this mathematically possible? ...
I've been exposed via StackOverflow to pHash, a C++ perceptual hash library for audio, video, images, and text fingerprinting - recently with preliminary bindings for PHP, C# and Java. I'm interested in studying these algorithms and I'm wondering if there are any open-source pure Python or PHP implementations of the same / similar algor...