Search results
Results from the WOW.Com Content Network
myArray. forEach (function (item, index) {// Do stuff with item and index // The index variable can be omitted from the parameter list if not needed}); The ECMAScript 6 standard introduced a more conventional for..of syntax that works on all iterables rather than operating on only array instances.
In Object Pascal, D, Java, C#, and Python a finally clause can be added to the try construct. No matter how control leaves the try the code inside the finally clause is guaranteed to execute. This is useful when writing code that must relinquish an expensive resource (such as an opened file or a database connection) when finished processing:
Generally, var, var, or var is how variable names or other non-literal values to be interpreted by the reader are represented. The rest is literal code. Guillemets (« and ») enclose optional sections.
Java Yes Yes Push-pull Yes EOF: WOUnit (JUnit), TestNG, Selenium in Project WONDER Yes Yes Yes Google Web Toolkit: Java, JavaScript Yes Yes JPA with RequestFactory JUnit (too early), jsUnit (too difficult), Selenium (best) via Java Yes Bean Validation ZK: Java, ZUML jQuery: Yes Push-pull Yes any J2EE ORM framework JUnit, ZATS HibernateUtil ...
In the ECMAScript example, return x will leave the inner closure to begin a new iteration of the forEach loop, whereas in the Smalltalk example, ^x will abort the loop and return from the method foo. Common Lisp provides a construct that can express either of the above actions: Lisp (return-from foo x) behaves as Smalltalk ^x , while Lisp ...
The user can search for elements in an associative array, and delete elements from the array. The following shows how multi-dimensional associative arrays can be simulated in standard AWK using concatenation and the built-in string-separator variable SUBSEP:
Java has had a standard interface for implementing iterators since its early days, and since Java 5, the "foreach" construction makes it easy to loop over objects that provide the java.lang.Iterable interface. (The Java collections framework and other collections frameworks, typically provide iterators for all collections.)
The loop counter is used to decide when the loop should terminate and for the program flow to continue to the next instruction after the loop. A common identifier naming convention is for the loop counter to use the variable names i, j, and k (and so on if needed), where i would be the most outer loop, j the next inner loop, etc. The reverse ...