More than 3000 questions in repository. There are more than 900 unanswered questions. Click here and help us by providing the answer. Have a video suggestion. Click Correct / Improve and please let us know.
Ans. Transaction isolation levels are a measure of the extent to which transaction isolation succeeds. In particular, transaction isolation levels are defined by the presence or absence of the following phenomena:
Dirty Reads, Nonrepeatable Reads, Phantoms.
The four transaction isolation levels (as defined by SQL-92) are defined in terms of these phenomena: Read uncommitted, Read committed, Repeatable read, Serializable
Help us improve. Please let us know the company, where you were asked this question :
Ans. It is javascript framework which is written in javascript.It is best for single page application.It extends the html with new attributes which makes it more useful for ui dveloper.
Help us improve. Please let us know the company, where you were asked this question :
Ans. Two-way binding means that any data-related changes affecting the model are immediately propagated to the matching view(s), and that any changes made in the view(s) (say, by the user) are immediately reflected in the underlying model. When app data changes, so does the UI, and conversely.
Help us improve. Please let us know the company, where you were asked this question :
Ans. A compiler directive is an instruction that tells the JVM how compilation should occur. A directive provides method-context precision in controlling the compilation process.
Help us improve. Please let us know the company, where you were asked this question :
Ans. QNames were introduced by XML Namespaces in order to be used as URI references.It defines a valid identifier for elements and attributes. QNames are generally used to reference particular elements or attributes within XML documents.
Help us improve. Please let us know the company, where you were asked this question :
Ans. XPath (XML Path Language) is a query language for selecting nodes from an XML document. In addition, XPath may be used to compute values (e.g., strings, numbers, or Boolean values) from the content of an XML document
Help us improve. Please let us know the company, where you were asked this question :
Q2419. What is the use of @Import and @ImportResource anotations ?
Ans. The @Import annotation is used to import one or more @Configuration classes. This annotation provides the functionality equivalent to element in xml based configuration.
The @ImportResource annotation is used to import one or more XML configuration files.
Help us improve. Please let us know the company, where you were asked this question :
More than 3000 questions in repository.
Discuss 
Asked in 1 Companies