Tutorial by Topics: es

The CONTINUE statement causes the flow of control to continue at the next statement. Not quite a no-op, as it can influence control flow when inside compound statement sequences, in particular IF/THEN/ELSE. A handy? example is during early development and building with and without debugging ai...

Specify the instance of express you want to use. This is commonly app. Define the HTTP method for which the function applies. In the example, this is get. Define the path to which the function applies. In the example, this is '/'. Define as a function with the function keyword. Add the require...

Unlike SOAP and the WS- stack, which are specified as W3C standards, REST is really a set of principles for designing and using web-based interface. REST / RESTful applications rely heavily on other standards: HTTP URI, URL XML, JSON, HTML, GIF, JPEG, and so forth (resource representations) ...

Real numbers must begin with one or more digits followed by a period followed by one or more digits. ~ is the operator to denote negative numbers div is the operator for integer division. / is the operator for real division.

The Java Message Service is a Java API that allows applications to create, send, receive, and read messages. The JMS API defines a common set of interfaces and associated semantics that allow programs written in the Java programming language to communicate with other messaging implementations. JMS e...

Closures Lambda expressions will implicitly capture variables used and create a closure. A closure is a function along with some state context. The compiler will generate a closure whenever a lambda expression 'encloses' a value from its surrounding context. E.g. when the following is executed...

The DELETE statement deletes records from mass storage. Some compilers allow the DELETE statement to be used with a FILE clause, to delete FD names (along with any associated indexing structures that may be required by the database management engine in use).

Tips: Remember to always check the /usr/ports/UPDATING file before upgrading. There might be some significant changes in programs you use or in their configuration which will break your current setup.