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Topic: Array


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In the News (Sat 26 Jul 08)

  
  Array (Flex™ 2 Language Reference)
var phoneString:String = "(888) 867-5309"; var specialChars:Array = new Array("(", ")", "-", " "); var myStr:String = phoneString; var ln:uint = specialChars.length; for(var i:uint; i < ln; i++) { myStr = myStr.split(specialChars[i]).join(""); } var phoneNumber:Number = new Number(myStr); trace(phoneString); // (888) 867-5309 trace(phoneNumber); // 8888675309
var vegetables:Array = new Array(); vegetables.push(1); vegetables.push(2); vegetables.push(3); vegetables.push(4); vegetables.push(5); var vegnums:String = vegetables.toString(); trace(vegnums+",6"); // 1,2,3,4,5,6
var names:Array = new Array(); names.push("Bill"); names.push("Jeff"); trace(names); // Bill,Jeff names.unshift("Alfred"); names.unshift("Kyle"); trace(names); // Kyle,Alfred,Bill,Jeff
livedocs.adobe.com /flex/2/langref/Array.html   (5280 words)

  
  Array - Wikipedia, the free encyclopedia
Arrays permit efficient (constant-time, O(1)) random access but not efficient insertion and deletion of elements (which are O(n), where n is the size of the array).
Dynamic arrays or growable arrays are arrays which automatically perform this resizing as late as possible, when the programmer attempts to add an element to the end of the array and there is no more space.
The zero-based array was made popular by the C programming language, in which the abstraction of array is very weak, and an index n of an array is simply the address of the first element offset by n units.
en.wikipedia.org /wiki/Array   (1672 words)

  
 Core JavaScript 1.5 Reference:Global Objects:Array - MDC
When this form is used, the array is initialized with the specified values as its elements, and the array's length property is set to the number of arguments.
If the value specified is a number, the constructor converts the number to an unsigned, 32-bit integer and generates an array with the length property (size of the array) set to the integer.
Other changes to the array (setting the value of or deleting an element) may affect the results of the operation if the method visits the changed element afterwards.
developer.mozilla.org /en/docs/Core_JavaScript_1.5_Reference:Global_Objects:Array   (1215 words)

  
 Array.h
An Array may be standalone, or it may refer to another array, or to part of another array (by refer we mean that if you change a pixel in the current array, a pixel in the referred to array also changes, i.e.
If the array on the left hand side has no elements, then it is resized to be the same size as as the array on the right hand side.
The array is masked by the input LogicalArray.
aips2.nrao.edu /docs/aips/implement/Arrays/Array.html   (2490 words)

  
 Raining Data - Online Technical Manual
An array element is accessed by specifying its position in the array using a subscript variable.
These are called "dimensioned" arrays due to the need to declare the number of array elements to the compiler or runtime with the "dim" statement.
A dynamic array may be an element in a dimensioned array, in which case the dynamic array subscripts are specified following the dimensioned array subscript.
www.rainingdata.com /support/techpubs2/2541head.html   (505 words)

  
 .NET: Array Types in .NET -- MSDN Magazine, February 2002
This means that all arrays are always reference types which are allocated on the managed heap, and your app's variable contains a reference to the array and not the array itself.
Note that jagged arrays are not CLS-compliant (because the CLS doesn't allow a System.Array object to be an element of an array) and cannot be passed between code written in different programming languages.
Array's static CreateInstance method allows you to dynamically construct an array when you don't know at compile time the types of elements that the array is to maintain.
msdn.microsoft.com /msdnmag/issues/02/02/NET/default.aspx   (2392 words)

  
 Help:Array - Meta
A 1D array has elements which are templates with names of the form array-name index, a 2D array (matrix) has elements which are templates with names of the form array-name index1 separator index2.
A disadvantage of having a template for each array element is that it is extremely cumbersome to copy a large array to another project, unless a bot is used; a sysop may also apply export and import, if those features are enabled.
Attribute: array where each index value is an existing pagename, and the array value is defined on that page using the extension SMW.
meta.wikimedia.org /wiki/Help:Array   (1245 words)

  
 5.6 array -- Efficient arrays of numeric values
Arrays are sequence types and behave very much like lists, except that the type of objects stored in them is constrained.
Array objects also implement the buffer interface, and may be used wherever buffer objects are supported.
is not an array, it must be iterable and its elements must be the right type to be appended to the array.
www.python.org /doc/current/lib/module-array.html   (850 words)

  
 Command Arrays
An array is given its size when it is created; you can then resize it as many times as needed by adding, inserting, or deleting elements, or by resizing the array using the same command used to create it.
An array always has an element zero that you can access just like any other element of the array, but this element is not shown when an array is present in a form.
Arrays are designed to hold reasonable amounts of data for a short period of time.
www.4d.com /acidoc/cmu/CMU10125.HTM   (248 words)

  
 NSArray Class Reference
Instead of observing an array, observe the to-many relationship for which the array is the collection of related objects.
Returns a new array that is a copy of the receiver with a given object added to the end.
Returns a new array that is a copy of the receiver with the objects contained in another array added to the end.
developer.apple.com /documentation/Cocoa/Reference/Foundation/Classes/NSArray_Class/Reference/Reference.html   (4248 words)

  
 CLHS: System Class ARRAY
An array provides mappings from a set of fixnums {i0,i1,...,ir-1} to corresponding elements of the array, where 0 <=ij < dj, r is the rank of the array, and dj is the size of dimension j of the array.
When an array is created, the program requesting its creation may declare that all elements are of a particular type, called the expressed array element type.
The implementation is permitted to upgrade this type in order to produce the actual array element type, which is the element type for the array is actually specialized.
www.lisp.org /HyperSpec/Body/syscla_array.html   (336 words)

  
 Module Arrays
While it is certainly true that some of the reliance on arrays was due to the paucity of other data structures in FORTRAN, it is also true that computation on arrays reflects the common occurrence of regularly sampled multi-dimensioned data in science.
Vector, Matrix, and Cube are the one, two, and three dimensional specializations respectively of Array.
MaskedArray is the class used to mask an Array for operations on that Array.
aips2.nrao.edu /docs/casa/implement/Arrays.html   (1157 words)

  
 Arrays   (Site not responding. Last check: )
An array is a structure that holds multiple values of the same type.
An array element is one of the values within an array and is accessed by its position within the array.
Arrays have certain performance characteristics, such as random access in constant time and linear lookup.
java.sun.com /docs/books/tutorial/java/data/arrays.html   (125 words)

  
 PHP: Array Functions - Manual
Arrays are essential for storing, managing, and operating on sets of variables.
There are specific database handling functions for populating arrays from database queries, and several functions return arrays.
These big arrays are defaults which need to be overwritten on a per-virtualhost basis, so copying references into the virtualhost arrays was not an option (as the defults would get corrupted).
us2.php.net /array   (2309 words)

  
 Antenna arrays
An array of antenna elements is a spatially extended collection of N similar radiators or elements, where N is a countable number bigger than 1, and the term "similar radiators" means that all the elements have the same polar radiation patterns, orientated in the same direction in 3-d space.
A Yagi-Uda antenna may be thought of as an array of dipoles with different amplitudes and phases of the dipole currents.
The array pattern is the polar radiation pattern which would result if the elements were replaced by isotropic radiators, having the same amplitude and phase of excitation as the actual elements, and spaced at points on a grid corresponding to the far field phase centres of the elements.
www.ee.surrey.ac.uk /Personal/D.Jefferies/antarray.html   (1039 words)

  
 JavaScript Kit- Array Object
Pass in an optional separator as argument to be used to separate each array element.
Adds the argument values to the end of the array, and modifies the original array with the new additions.
Original array is modified to account for the missing element (so 2nd element now becomes the first etc).
www.javascriptkit.com /jsref/arrays.shtml   (496 words)

  
 Arrays
Bash permits array operations on variables, even if the variables are not explicitly declared as arrays.
Array variables have a syntax all their own, and even standard Bash commands and operators have special options adapted for array use.
Arrays lend themselves, to some extent, to emulating data structures for which Bash has no native support.
www.tldp.org /LDP/abs/html/arrays.html   (4770 words)

  
 Blitz++ User's Guide
Arrays may be constructed from expressions, which are described in 3.
The size of the array, for example "32" for a 1-dimensional array of 32 elements, "12 x 64 x 128" for a 3-dimensional array of size 12x64x128.
When initializing arrays with comma delimited lists, note that the array is filled in storage order: from the first memory location to the last memory location.
www.oonumerics.org /blitz/manual/blitz02.html   (6336 words)

  
 SRFI 47: Array
"Array" incorporates all the homogeneous vector types from SRFI-4 "Homogeneous numeric vector datatypes", and adds complex types composed of two 32-bit or two 64-bit floating-point numbers, a uniform character array type, and a uniform boolean array type.
Strings and vectors are arrays; generalizing the array concept beyond that in SRFI-25.
All the elements of arrays of type au8, au16, au32, au64, as8, as16, as32, or as64 are exact.
srfi.schemers.org /srfi-47/srfi-47.html   (1070 words)

  
 PHP Help: array - PHP Manual
Move array argument\'s internal pointer to the next element and return it', CAPTION, 'next');" onmouseout="return nd();">next generated index will be the biggest integer index + 1.
Move array argument\'s internal pointer to the next element and return it', CAPTION, 'next');" onmouseout="return nd();">next generated index (value 19) is 9, since biggest index was 8.
Is it possible to build an array using a for loop.
www.phpfreaks.com /phpmanual/page/function.array.html   (376 words)

  
 array   (Site not responding. Last check: )
An external index, such as a hash table or inverted index may help make an array search quicker and speed overall processing if the array is not changed often.
If the array is kept sorted, a binary search or interpolation search is faster.
Paul E. Black, "array", from Dictionary of Algorithms and Data Structures, Paul E. Black, ed., NIST.
www.nist.gov /dads/HTML/array.html   (180 words)

  
 ridiculous_fish » Blog Archive » Array
There are no favored positions within the array for performance; that is, it is not necessarily faster to access values with low indices, or to insert or delete values with high indices, or whatever.
But not these "arrays!" (necessarily!) In fact, you might notice that the guarantees Apple does make are weak enough for CFArray to be a hash table or binary tree.
Insertion in an array of 1,000,000 elements is as expensive as for 100,000 elements, but 200,000 is more expensive than either.
ridiculousfish.com /blog?p=27   (1347 words)

  
 Fortran 90 Tutorial
A zero-sized array is handled by Fortran 90 as a legitimate object, without special coding by the programmer.
We note that a zero-sized array is regarded as being defined; however, an array of shape (0,2) is not conformable with one of shape (0,3), whereas
The shape, not bounds, is passed, where the default lower bound is 1 and the default upper bound is the corresponding extent.
wwwasdoc.web.cern.ch /wwwasdoc/WWW/f90/array-handling.html   (932 words)

  
 Webmonkey: javascript: glossary : array
An array is an indexed collection of data values.
If an array is named monkey and i is an integer, then monkey[i] is one element of the array; monkey[2] is the third element in the array, since arrays always begin counting on zero.
Arrays that are indexed by strings instead of integers (for example, monkey[matt] as opposed to monkey[2]) are called associative arrays.
www.webmonkey.com /javascript/glossary/array.html   (103 words)

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