In the first two parts of this series, we created the data layer that will hold the polling data and established methods for setting the variable values and reading from the database tables. In this part, we will build the methods that will write new polls and answers to the tables. The addPoll method adds a new record to the devdrive_polls table and returns a Boolean value that signals if the record was added successfully. function addPoll($aArgs) { // add a poll record $sql = "LOCK TABLES devdrive_polls...
This is the second part in our introduction to HTML5's video API. In part 1 of this series, I introduced you to the basic markup we'll be using to play the video, then I helped set up a simple script with which we were able to make the controls visible, while ensuring that the native controls will still be visible when JavaScript is disabled. We also touched on the use of JavaScript's addEventListener method, along with our first look at the video API -- the canplaythrough event. Let's dig a little deeper into...
There are two things which look and act similar but are different, gadgets and widgets. Widgets can be referred to any icons or graphical interface element that is operated by a computer or internet use to execute a preferred function online or on the computer. You can add a widget in all kind of web pages. A gadget acts just like a widget, often fulfilling the same purpose, but it is proprietary or called to be self-contained. It only works on a certain website or a specific set of websites. For example, OpenSocial...
WordPress is undoubtedly one of the most popular tools on the Internet because it makes it so easy to get a functional web site up and running in such a short time. And then there are the plugins. If you want your WordPress site to do something then odds are there is a plugin that you can install to make your site do what you want it to do. But plugins pose a bit of a problem at times. Since they are created by third-party developers you never know what quality control practices are used and what security testing...
Since the late 90s, when embedding media elements like audio and video clips into web pages, developers have had to rely on third party plug-ins. Flash has become the go-to method for nearly all video sites, and has been widely used for audio embedding as well. Because of the nature of the Flash plugin, this has limited the accessibility of embedded media. With the introduction of the HTML5 media elements API, this has all begun to change. Now, many libraries and video players are being introduced that...
At this point, only those living under a rock for the past couple of months are unaware that Google has taken on JavaScript with its latest project, the Dart programming language. Dart, originally named Dash, was started to “fix” the problems of JavaScript’s “fundamental flaws that cannot be fixed merely by evolving the language” by meeting the following goals: Create a structured yet flexible language for web programming. Make Dart feel familiar and natural to programmers and thus easy...
OpenSocial is useful for websites to start hosting social applications. Apache Shindig is an OpenSocial container and helps you to start hosting these apps on your website. OpenSocial is not just about gadgets and widgets for your Website. With it, your website can be a container or can store persistent data and publish notices/alerts called activities. OpenSocial has vast verity of uses including social mashups, social websites and applications, gadgets/application creation, CMS and social...
User surveys can be an extremely effective marketing tool for any business web site. Visitors can make their voices heard on what products, services and information they would like the site to provide. Site owners can then adjust their marketing plans and promotions around the results of these polls. In order to build a basic user poll, we must first create the database tables that will hold the poll question and its various responses. Create the MySQL Polls Table ... First, we must build a database table...