Eclipselink 2.1 is a persistence provider runtime of the Java Persistence API 2.1 specification. JPA specification defines two major strategies of loading data (Lazy and Eager). The EAGER strategy is a requirement on the persistence provider runtime that data must be eagerly fetched. The LAZY strategy is a hint to the persistence provider runtime that …
JPA Entity Listeners And Callback Methods
Before JPA 2.1 the concept of Entity Listeners (Injectable EntityListeners) wasn’t defined until JPA 2.1 released. The entity listener concept allows the programmer to designate a methods as a lifecycle callback methods to receive notification of entity lifecycle events. A lifecycle callback methods can be defined on an entity class, a mapped superclass, or an entity …
HTML5 Embed Tag
The Html <embed> element is used to embedding an external application or interactive content to the web page. This is a standard and well supported HTML5 tag for embedding multimedia files into the web page (note that prior to the HTML5 specification, this tag is used as the non-standard tag and supported by all the …
HTML5 DataList Tag
The <datalist> tag is used to provide a list of elements to the user to select from this particular list. Text Box auto complete is the most popular widget after the popularity of AJAX framework. We can achieve the auto complete by using the html and javascript code. Every JS framework has the built-in functionality …
HTML5 Header Tag
The <header> element is used to display the headers in html page. There are various heading element such as <hgroup> , < h1> to < h6> element. We can use headers by using <h1> to <h6> tag which defines font size according to header tags. Note that <hggroup> tag is removed from the HTML5 specification. …
HTML5 Mark Tag
The <mark> element in HTML5 is used to highlight the specified text. The tag used to defines the marked text which is referenced in another context. In the main text, the highlighted text typically marks text that may be of special relevance for the user’s current activity, like search results. Mark element is different from …
Spring Social 1.1.0 RC1 Released
Spring project have Spring Social which is built for integrating your applications to the social network sites like Facebook, Twitter, Linked In, Google +, etc. It is a new project under spring coomunity. This week spring social announed its Spring Social 1.1.0.RC1 which is prior to the GA release. It is expected that GA will …
Java 7 New Features
As with every new Java version, Java 7 introduced some new features. The new features are definitely worth the change and as developers, we must be happy as we can be more efficient. There are many features introduced in Java 7 but we will look at some of them. Allows Strings to be used in …