Using Ajax technology with Care
Of course, Ajax is not for everyone (particularly those dessert topping fans!). Because Ajax technology can dynamically alter a web page that has already been downloaded, it may interfere with certain functions near and dear to many users, such as creating bookmarks for browser views. For example, in the absence of fancy scripting solutions, the [...]
Explaining AJAX or Asynchronous JavaScript and XML
A blend of well-known technologies and a nifty JavaScript tool form the basis of a snappier and more powerful application model for the Web. If you’re afraid of acronym overload, don’t worrythis one’s easy. It’s called Ajax, which stands for Asynchronous JavaScript and XML. Ajax is neither a floor wax nor a desert topping (nor, [...]
Evolution of Internet: World Wide Wait to World Wide Web
Remember when users called the Internet the “world wide wait?” Way back in the Neolithic era of the Web? With some applications, that aspect of the Web hasn’t really changed that much: fill out form, click button, web page goes away, wait, page refreshes, correct mistake, click, wait, wait… You’ve been stuck in this limbo [...]
Open source JavaScript library that includes its own Ajax tools
The hacks use Prototype, a cool open source JavaScript library that includes its own Ajax tools. You’ll see how to update DOM elements in a web page with server data using Prototype’s Ajax.Updater object, and how to use the PeriodicalExecuter object to execute Ajax requests at timed intervals while another “observer” object monitors a text [...]
Make remote calls to Java server objects from JavaScript
DWR is a nifty toolkit that allows developers to make remote calls to Java server objects from JavaScript, without any Java applets or plug-ins. DWR uses Ajax requests behind the scenes; the toolkit’s users, however, do not have to deal with XMLHttpRequest programming. These hacks populate select lists from Java arrays and Maps; call custom [...]
Web developers with Google and Yahoo API
Web developers have never had cooler, easier-to-work-with tools than the Yahoo! and Google web APIs. Find a mash-up of Google Maps, Yahoo! Maps, and Yahoo! driving directions, as well as a software interaction involving Yahoo! Maps and a location-to-URL service called GeoURL. It also features more prosaic, pragmatic web hacks, such as sending an email [...]
Apple iPad Mini Review of Features and What’s New
Apple on Tuesday introduced iPad mini, the much-anticipated smaller version of its iPad tablet computer, in an attempt to further marginalize its competitors in the tablet market. Compared to its 9.7-inch full-sized predecessors, the iPad mini features a 7.9-inch screen. It is 7.2 mm thin and weighs 0.68 pound. The new product has the same [...]
Launching of Korea Space Launch Vehicle-1 (KSLV-1)
South Korea on Wednesday began the final preparations for its space rocket launch with the movement of the rocket to a launch pad at the Naro Space Center. The Korea Space Launch Vehicle-1 (KSLV-1) began being moved toward the launch pad at 8:21 a.m., according to officials from the Korea Aerospace Research Institute (KARI). The [...]
History of Rocket Program of South Korea
The following is a chronology of major events related to South Korea’s development and third launch of its first-ever space rocket. March 2001 – South Korea joins the Missile Technology Control Regime, an informal international association that oversees the proliferation of unmanned delivery systems capable of delivering weapons of mass destruction. August 2002 – South [...]
Smartphone Usage in South Korea
Two-thirds of the South Korea’s primary and secondary school students currently use smartphones with about 8 percent considered at risk of smartphone addiction, a survey indicated Wednesday. According to an education office survey of some 1.45 million elementary, middle and high school students in Gyeonggi Province surrounding Seoul, 66 percent said they use smartphones. The [...]