javascript

WebSockets are a rising technology that solves one of the great needs of web development - full duplex communication between a browser (or a different client) and a server. Let's imagine a simple scenario - live web chat. In the past, you'd probably use AJAX and polling to make new posts appear in realtime. The downside is that implementing all that is not entirely easy and it tends to put a lot of strain on the server. This article will...

Let's face it, sometimes slides are painful There are some common issues when I gave presentations: Will my slides file be recognized by the shared computer at the venue? How to share slides with all audiences using different OS? Most important one, how to make my slides smooth and attractive? For the first two questions, PDF might be an acceptable answer. I can upload it to slideshare.net and give out a link to audiences. But everyone knows that's not good...