prefix must resolve to namespace

Call the Java method with Jstl to report the function equals must be used with a prefix when a default namespace are not specified error.You cannot call an object method directly using an EL expression! ${pagescope.module_lie.id.equals (Parent_ids)}

This problem is typical of the Tomcat version conflict:When using the El expression, it is not correct to determine whether the list is empty: ${list.size () > 0}, but it is OK to use in tomcat7, but it is not supported in Tomcat 6 and in previous

Explanation of the php namespace (1) and the php namespace The namespace function of php has been available for a long time, but it has never been used for further research. This time, I rushed to the Manual to make a summary and help myself improve

 Good PHP libraries are inseparable from a good namespace overview Namespaces are a way of encapsulating things. This abstraction can be seen in many places, such as in the operating system, where directories are used to group related files, and

Namespaces are used to resolve a conflict between the user-written code and the name of a class/function/constant or third-party class/function/constant within PHP. Create an alias (or short) name for a long identifier name to improve the

After the XML parser parses the XML document and passes the data to the application, the application needs to combine elements from different documents into the same XML document. Whether you are in the same document or in a different document, you

This article mainly introduces php namespace related questions and skills. For more information, see 1. what is a namespace? A namespace is a special scope that contains identifiers in this scope and is also an identifier. You can map the namespace

Large programs are generally divided into multiple modules, which are developed by the collaboration of many people, which will inevitably be used in libraries. And the code of each module and the library will define a large number of variables, and

Address: http://www.sitepoint.com/php-namespaces-import-alias-resolution/ The first part of this series discusses why PHP namespaces are useful and the namespace keywords. This article will continue to study how to use commands and PHP resolve

Writen by Allen Lee Q: How to resolve a string to an int? A: There are three simple methods: String source = "1412 "; Int result = 0; // Use convert. toint32 (string value ); Result = convert. toint32 (source ); // Use int32.parse (string value );