arrays

Passing arrays as parameters in bash

How can I pass an array as parameter to a bash function? Note: After not finding an answer here on SO, I posted my somewhat crude sollution myself. It allows for only one array being passed, and it being the last element of the parameter list. Actually, it is not passing the array at all, but a list of its elements, which are re-assembl...

How can I join multiple regex matches into one array element using Perl?

Following is the script for matching regex and storing value in array: sub b1 { # print $_; my @file = @_; my @value; my $find = qr/(\s+)([0-9]+)\s([A-Z])\s[0-1].[0-9]+\s->\s([A-Z])\s/; foreach my $file(@file){ push (@value, $file=~ /$find/) ; print "\n"; } ...

Limiting Array results

Hi, I have the following code which currently limits the result into a couple of types (Banana, Orange or all): function selectFromArray($prefix="", $productArray=array()) { if(!strlen($prefix)) return $productArray; return array_filter($productArray, create_function('$element', 'return (stripos($element[1]...

How can I compare different elements of array in Perl?

I am new to this field. So kindly go easy on me. I have two arrays: @array1 = ("ABC321", "CDB672", "PLE89",....); @array2 = ("PLE89", "ABC678", "LMD789",...); I want to compare elements of these two different arrays. But, I want to only match letters with letters. So for instance, if arrays are compared, $array[2] element (PLE) shoul...

Storing objects in an array with php

Hi, I have a function that pulls rows from a database, the content->id and content->type are them used to dynamically call amethod in an already loaded model to get and format the objects details. Once the object is returned it is added to array. All is well except that when i come to use the array although it has the correct number of ...

C/C++ initialization of a normal array with one default value

http://www.fredosaurus.com/notes-cpp/arrayptr/array-initialization.html 1: Page above has a nice list over initialization of arrays. So I have a int array[100] = {-1}; expecting it to be full with -1's but its not, only first value is and the rest are 0's mixed with random values. The code int array[100] = {0}; works just fine a...

What does this code do?

while (list($task_id, $parent_id, $task) = mysqli_fetch_array($r, MYSQLI_NUM)) ...

Class Array with [] and IEnumerable

I created a class that's something like this: public class MovieTheaterList { public DateTime Date { get; private set; } public int NumTheaters { get; private set; } public Theater[] Theaters { get; private set; } } public class Theater { public string Name; } I want to be able ...

Can C arrays contain padding in between elements?

I heard a rumor that, in C, arrays that are contained inside structs may have padding added in between elements of the array. Now obviously, the amount of padding could not vary between any pair of elements or calculating the next element in an array is not possible with simple pointer arithmetic. This rumor also stated that arrays whic...

PHP - Create an assoc array with equal keys and values from a regular array

I have an array that looks like $numbers = array('first', 'second', 'third'); I want to have a function that will take this array as input and return an that would look like: array( 'first' => 'first', 'second' => 'second', 'third' => 'third' ) I wonder if it is possible to use array_walk_recursive or something similar... ...

AS3 - Keeping a sparse array sparse

I'm working with an array in AS3, which is sparse by default. I make an array and add a value to it at a given position. I nullify it's contents at that index. It retains that index value, but nullifies the contents. The issue is that the length still traces the same. Is there a way to actually remove that index without modifying any of ...

c# modifying structs in a List<T>

Short question: How can I modify individual items in a List? (or more precisely, members of a struct stored in a List?) Full explanation: First, the struct definitions used below: public struct itemInfo { ...(Strings, Chars, boring)... public String nameStr; ...(you get the idea, nothing fancy)... public String subNum; //BTW t...

PHP associative Array

I have an associative array in PHP $asd['a'] = 10; $asd['b'] = 1; $asd['c'] = 6; $asd['d'] = 3; i want to sort this on basis of its value and to get the key value for the first 4 values. how can i do that in php ??? ...

Multidimensional arrays using integers and strings

I am trying to setup a basic error checking system where it will catch shell errors run by a system call. execute_command is a webmin function that runs a system call and then sets an error message to its 4th parameter. I basically call execute_command_error("adduser test"), knowing that I already have a user called test created and base...

how to convert a value type to byte[] in C#?

I want to do the equivalent of this: byte[] byteArray; enum commands : byte {one, two}; commands content = one; byteArray = (byte*)&content; yes, it's a byte now, but consider I want to change it in the future? how do I make byteArray contain content? (I don't care to copy it). ...

How to find if a number is contained in an array of number ranges in java

I have an array of java objects. Each object stores two longs that define a number range. I already have a guarantee that for all the objects in the range, the number ranges don't overlap. I want a quick of finding a particular object in the array, given a number which may (or may not) fall within one of the number ranges defined by...

Assign array of pointers to array

If I have an array of char pointers and another static array of characters, how do I assign each element of the array of pointers to each element of a static array? (Trying to break down a problem into a smaller problem.) Thanks. array of pointers array of char +----+ ...

In C - check if a char exists in a char array

I'm trying to check if a character belongs to a list/array of invalid characters. Coming from a Python background, I used to be able to just say: for c in string: if c in invalid_characters: #do stuff, etc How can I do this with regular C char arrays? ...

java creating byte array whose size is represented by a long

Hi all, I'm trying to create a byte array whose size is of type long. For example, think of it as: long x = _________; byte[] b = new byte[x]; Apparently you can only specify an int for the size of a byte array. Before anyone asks why I would need a byte array so large, I'll say I need to encapsulate data of message formats that I ...

How to check if a multi dimensional array has at least 1 value that equates to (bool) true in PHP

I have a multi dimensional array. The only actual values (other than other arrays) in there are numbers. By default, they are all 0. I would like to know is there an easy way to determine if the array has a value other than 0 in it. I know I could build something recursive, but I want to know if I could leverage array_map() or somethin...