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Arrays can contain mixed elements of any type, including resources, objects. [31] Multi-dimensional arrays are created by assigning arrays as array elements. PHP has no true array type. PHP arrays are natively sparse and associative. Indexed arrays are simply hashes using integers as keys. Indexed array:
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The comprehension is implemented as a macro that is expanded at compile time, you can see the expanded code using the expandMacro compiler option: var collectResult = newSeq ( Natural ( 0 )) for item in items ( @[- 9 , 1 , 42 , 0 , - 1 , 9 ] ): add ( collectResult , item + 1 ) collectResult
In Java associative arrays are implemented as "maps", which are part of the Java collections framework. Since J2SE 5.0 and the introduction of generics into Java, collections can have a type specified; for example, an associative array that maps strings to strings might be specified as follows:
For example, to perform an element by element sum of two arrays, a and b to produce a third c, it is only necessary to write c = a + b In addition to support for vectorized arithmetic and relational operations, these languages also vectorize common mathematical functions such as sine.
DOALL parallelism exists when statements within a loop can be executed independently (situations where there is no loop-carried dependence). [1] For example, the following code does not read from the array a, and does not update the arrays b, c. No iterations have a dependence on any other iteration.
This article gives an overview of professional ethics as applied to computer programming and software development, in particular the ethical guidelines that developers are expected to follow and apply when writing programming code (also called source code), and when they are part of a programmer-customer or employee-employer relationship.
In computer programming, a sentinel value (also referred to as a flag value, trip value, rogue value, signal value, or dummy data) is a special value in the context of an algorithm which uses its presence as a condition of termination, typically in a loop or recursive algorithm.