Primefaces AutoComplete + ItemTip Example

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AutoComplete primefaces component provides the developer a more powerful capability for adding a tool tip upon suggestions. Sometimes the developer want a more explanation about suggestions, something like descriptive text, images and so on. Primefaces provides additional facet for AutoComplete component, that facet has the name itemtip, Itemtip is an advanced built-in tooltip when mouse is over on suggested items. […]

Eclipse Tips : How To View Heap Status In Eclipse

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This example illustrates how to view the current status of heap in the JVM where eclipse application is running. Eclipse allocates the pre-defined heap memory for its own use. If the usage reaches the maximum level, the performance of your eclipse would be very slow. Whenever it reaches the maximum level, eclipse triggers the Garbage […]

How Much Faster Is Java 8?

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Java SE 8 was released last month (March 18, 2014). Traditionally, every new major JRE version comes with a free performance boost. Do we get another free lunch? And how big is the gain this time? Let’s benchmark it. Benchmark methodology Run the same code with 3 different JRE versions (SunJDK 1.6.0_26, OpenJDK 1.7.0_51 and OpenJDK 1.8.0). The code […]

PrimeFaces AutoComplete + AjaxBehavior Example

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Instead of waiting for user to submit the form manually to process the selected item, you can enable instant ajax selection by using the itemSelect ajax behavior. Let’s you consider the AutoComplete that gives you set of players to select one among of them, such that behavior can be ajaxified by eliminating the needs for submission. Read […]

How To Preload Images In JavaScript

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Usually high resolution images can really slow down the website. images are loaded only after an HTTP request is sent for them, either passively via an <img> tag or actively through a method call. Preloading images comes to our rescue which means loading an image into cache before being used. The simplest way to preload […]

JavaScript History Object

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The History object is read only property which includes browser’s history and information about the URL’s visited by the user. It provides methods and properties for manipulating browser session history. This object can be written without the window prefix. The History object doesn’t allow the non-privileged code in the history but allows navigating the session […]

How To Test Cookie Support using JavaScript

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A cookie is a small object allows servers to store user’s information on user machine. Cookies are stored in the partition assigned to the web server’s domain. All cookies for that domain are sent in every request to that web server. When a user visits a page, his name can be stored in a cookie. […]

How To Check Plug-In Support In Browser using JavaScript

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A plug-in is a piece of software or module which acts as add-on or extension to a web browser and adds additional functionality to existing software application. There are programs which can be installed easily and used as part of the web browser. It allows web browser to display additional content and enables customization when […]

PrimeFaces BlockUI + Client Side API Example

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BlockUI Primefaces component provides you the ability control the component from a pre defined Client Side API that could be invoked through using of JavaScript code. For enabling the call of client side API, you have to define the WidgetVar for the BlockUI component. 1. The View index.xhtml 2. Managed Bean BlockUI.java 3. Primefaces BlockUI + Client Side API Demo […]

PrimeFaces BlockUI Example

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Primefaces BlockUI component is used to block interactivity of JSF components with optional Ajax integration. BlockUI requires trigger and block attributes to be defined. With the special ajax integration, ajax requests whose source are the trigger components will block the UI onstart and unblock oncomplete. When you submit the request to the server, the page interaction will be blocked and can display the progress of the […]

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